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tlvince/pouchdb-nightly.js

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pouchdb-nightly.js
!function(e){if("object"==typeof exports)module.exports=e();else if("function"==typeof define&&define.amd)define(e);else{var f;"undefined"!=typeof window?f=window:"undefined"!=typeof global?f=global:"undefined"!=typeof self&&(f=self),f.PouchDB=e()}}(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);throw new Error("Cannot find module '"+o+"'")}var f=n[o]={exports:{}};t[o][0].call(f.exports,function(e){var n=t[o][1][e];return s(n?n:e)},f,f.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(_dereq_,module,exports){
"use strict";
var utils = _dereq_('./utils');
var merge = _dereq_('./merge');
var errors = _dereq_('./deps/errors');
var EventEmitter = _dereq_('events').EventEmitter;
/*
* A generic pouch adapter
*/
// returns first element of arr satisfying callback predicate
function arrayFirst(arr, callback) {
for (var i = 0; i < arr.length; i++) {
if (callback(arr[i], i) === true) {
return arr[i];
}
}
return false;
}
// Wrapper for functions that call the bulkdocs api with a single doc,
// if the first result is an error, return an error
function yankError(callback) {
return function (err, results) {
if (err || results[0].error) {
callback(err || results[0]);
} else {
callback(null, results[0]);
}
};
}
// for every node in a revision tree computes its distance from the closest
// leaf
function computeHeight(revs) {
var height = {};
var edges = [];
merge.traverseRevTree(revs, function (isLeaf, pos, id, prnt) {
var rev = pos + "-" + id;
if (isLeaf) {
height[rev] = 0;
}
if (prnt !== undefined) {
edges.push({from: prnt, to: rev});
}
return rev;
});
edges.reverse();
edges.forEach(function (edge) {
if (height[edge.from] === undefined) {
height[edge.from] = 1 + height[edge.to];
} else {
height[edge.from] = Math.min(height[edge.from], 1 + height[edge.to]);
}
});
return height;
}
utils.inherits(AbstractPouchDB, EventEmitter);
module.exports = AbstractPouchDB;
function AbstractPouchDB() {
var self = this;
EventEmitter.call(this);
self.autoCompact = function (callback) {
if (!self.auto_compaction) {
return callback;
}
return function (err, res) {
if (err) {
callback(err);
} else {
var count = res.length;
var decCount = function () {
count--;
if (!count) {
callback(null, res);
}
};
res.forEach(function (doc) {
if (doc.ok) {
// TODO: we need better error handling
self.compactDocument(doc.id, 1, decCount);
} else {
decCount();
}
});
}
};
};
var listeners = 0, changes;
var eventNames = ['change', 'delete', 'create', 'update'];
this.on('newListener', function (eventName) {
if (~eventNames.indexOf(eventName)) {
if (listeners) {
listeners++;
return;
} else {
listeners++;
}
} else {
return;
}
var lastChange = 0;
changes = this.changes({
conflicts: true,
include_docs: true,
continuous: true,
since: 'latest',
onChange: function (change) {
if (change.seq <= lastChange) {
return;
}
lastChange = change.seq;
self.emit('change', change);
if (change.doc._deleted) {
self.emit('delete', change);
} else if (change.doc._rev.split('-')[0] === '1') {
self.emit('create', change);
} else {
self.emit('update', change);
}
}
});
});
this.on('removeListener', function (eventName) {
if (~eventNames.indexOf(eventName)) {
listeners--;
if (listeners) {
return;
}
} else {
return;
}
changes.cancel();
});
}
AbstractPouchDB.prototype.post = utils.adapterFun('post', function (doc, opts, callback) {
if (typeof opts === 'function') {
callback = opts;
opts = {};
}
if (typeof doc !== 'object' || Array.isArray(doc)) {
return callback(errors.NOT_AN_OBJECT);
}
return this.bulkDocs({docs: [doc]}, opts,
this.autoCompact(yankError(callback)));
});
AbstractPouchDB.prototype.put = utils.adapterFun('put', utils.getArguments(function (args) {
var temp, temptype, opts, callback;
var doc = args.shift();
var id = '_id' in doc;
if (typeof doc !== 'object' || Array.isArray(doc)) {
callback = args.pop();
return callback(errors.NOT_AN_OBJECT);
}
doc = utils.extend(true, {}, doc);
while (true) {
temp = args.shift();
temptype = typeof temp;
if (temptype === "string" && !id) {
doc._id = temp;
id = true;
} else if (temptype === "string" && id && !('_rev' in doc)) {
doc._rev = temp;
} else if (temptype === "object") {
opts = temp;
} else if (temptype === "function") {
callback = temp;
}
if (!args.length) {
break;
}
}
opts = opts || {};
var error = utils.invalidIdError(doc._id);
if (error) {
return callback(error);
}
return this.bulkDocs({docs: [doc]}, opts,
this.autoCompact(yankError(callback)));
}));
AbstractPouchDB.prototype.putAttachment = utils.adapterFun('putAttachment', function (docId, attachmentId, rev, blob, type, callback) {
var api = this;
if (typeof type === 'function') {
callback = type;
type = blob;
blob = rev;
rev = null;
}
if (typeof type === 'undefined') {
type = blob;
blob = rev;
rev = null;
}
function createAttachment(doc) {
doc._attachments = doc._attachments || {};
doc._attachments[attachmentId] = {
content_type: type,
data: blob
};
api.put(doc, callback);
}
api.get(docId, function (err, doc) {
// create new doc
if (err && err.error === errors.MISSING_DOC.error) {
createAttachment({_id: docId});
return;
}
if (err) {
callback(err);
return;
}
if (doc._rev !== rev) {
callback(errors.REV_CONFLICT);
return;
}
createAttachment(doc);
});
});
AbstractPouchDB.prototype.removeAttachment = utils.adapterFun('removeAttachment', function (docId, attachmentId, rev, callback) {
var self = this;
self.get(docId, function (err, obj) {
if (err) {
callback(err);
return;
}
if (obj._rev !== rev) {
callback(errors.REV_CONFLICT);
return;
}
if (!obj._attachments) {
return callback();
}
delete obj._attachments[attachmentId];
if (Object.keys(obj._attachments).length === 0) {
delete obj._attachments;
}
self.put(obj, callback);
});
});
AbstractPouchDB.prototype.remove = utils.adapterFun('remove', function (doc, opts, callback) {
if (typeof opts === 'function') {
callback = opts;
opts = {};
}
if (opts === undefined) {
opts = {};
}
opts = utils.extend(true, {}, opts);
opts.was_delete = true;
var newDoc = {_id: doc._id, _rev: doc._rev};
newDoc._deleted = true;
return this.bulkDocs({docs: [newDoc]}, opts, yankError(callback));
});
AbstractPouchDB.prototype.revsDiff = utils.adapterFun('revsDiff', function (req, opts, callback) {
if (typeof opts === 'function') {
callback = opts;
opts = {};
}
opts = utils.extend(true, {}, opts);
var ids = Object.keys(req);
var count = 0;
var missing = {};
function addToMissing(id, revId) {
if (!missing[id]) {
missing[id] = {missing: []};
}
missing[id].missing.push(revId);
}
function processDoc(id, rev_tree) {
// Is this fast enough? Maybe we should switch to a set simulated by a map
var missingForId = req[id].slice(0);
merge.traverseRevTree(rev_tree, function (isLeaf, pos, revHash, ctx,
opts) {
var rev = pos + '-' + revHash;
var idx = missingForId.indexOf(rev);
if (idx === -1) {
return;
}
missingForId.splice(idx, 1);
if (opts.status !== 'available') {
addToMissing(id, rev);
}
});
// Traversing the tree is synchronous, so now `missingForId` contains
// revisions that were not found in the tree
missingForId.forEach(function (rev) {
addToMissing(id, rev);
});
}
ids.map(function (id) {
this._getRevisionTree(id, function (err, rev_tree) {
if (err && err.name === 'not_found' && err.message === 'missing') {
missing[id] = {missing: req[id]};
} else if (err) {
return callback(err);
} else {
processDoc(id, rev_tree);
}
if (++count === ids.length) {
return callback(null, missing);
}
});
}, this);
});
// compact one document and fire callback
// by compacting we mean removing all revisions which
// are further from the leaf in revision tree than max_height
AbstractPouchDB.prototype.compactDocument = function (docId, max_height, callback) {
var self = this;
this._getRevisionTree(docId, function (err, rev_tree) {
if (err) {
return callback(err);
}
var height = computeHeight(rev_tree);
var candidates = [];
var revs = [];
Object.keys(height).forEach(function (rev) {
if (height[rev] > max_height) {
candidates.push(rev);
}
});
merge.traverseRevTree(rev_tree, function (isLeaf, pos, revHash, ctx, opts) {
var rev = pos + '-' + revHash;
if (opts.status === 'available' && candidates.indexOf(rev) !== -1) {
opts.status = 'missing';
revs.push(rev);
}
});
self._doCompaction(docId, rev_tree, revs, callback);
});
};
// compact the whole database using single document
// compaction
AbstractPouchDB.prototype.compact = utils.adapterFun('compact', function (opts, callback) {
if (typeof opts === 'function') {
callback = opts;
opts = {};
}
var self = this;
this.changes({complete: function (err, res) {
if (err) {
callback(); // TODO: silently fail
return;
}
var count = res.results.length;
if (!count) {
callback();
return;
}
res.results.forEach(function (row) {
self.compactDocument(row.id, 0, function () {
count--;
if (!count) {
callback();
}
});
});
}});
});
/* Begin api wrappers. Specific functionality to storage belongs in the _[method] */
AbstractPouchDB.prototype.get = utils.adapterFun('get', function (id, opts, callback) {
if (typeof opts === 'function') {
callback = opts;
opts = {};
}
if (typeof id !== 'string') {
return callback(errors.INVALID_ID);
}
var leaves = [], self = this;
function finishOpenRevs() {
var result = [];
var count = leaves.length;
if (!count) {
return callback(null, result);
}
// order with open_revs is unspecified
leaves.forEach(function (leaf) {
self.get(id, {rev: leaf, revs: opts.revs, attachments: opts.attachments}, function (err, doc) {
if (!err) {
result.push({ok: doc});
} else {
result.push({missing: leaf});
}
count--;
if (!count) {
callback(null, result);
}
});
});
}
if (opts.open_revs) {
if (opts.open_revs === "all") {
this._getRevisionTree(id, function (err, rev_tree) {
if (err) {
// if there's no such document we should treat this
// situation the same way as if revision tree was empty
rev_tree = [];
}
leaves = merge.collectLeaves(rev_tree).map(function (leaf) {
return leaf.rev;
});
finishOpenRevs();
});
} else {
if (Array.isArray(opts.open_revs)) {
leaves = opts.open_revs;
for (var i = 0; i < leaves.length; i++) {
var l = leaves[i];
// looks like it's the only thing couchdb checks
if (!(typeof(l) === "string" && /^\d+-/.test(l))) {
return callback(errors.error(errors.BAD_REQUEST,
"Invalid rev format"));
}
}
finishOpenRevs();
} else {
return callback(errors.error(errors.UNKNOWN_ERROR,
'function_clause'));
}
}
return; // open_revs does not like other options
}
return this._get(id, opts, function (err, result) {
opts = utils.extend(true, {}, opts);
if (err) {
return callback(err);
}
var doc = result.doc;
var metadata = result.metadata;
var ctx = result.ctx;
if (opts.conflicts) {
var conflicts = merge.collectConflicts(metadata);
if (conflicts.length) {
doc._conflicts = conflicts;
}
}
if (opts.revs || opts.revs_info) {
var paths = merge.rootToLeaf(metadata.rev_tree);
var path = arrayFirst(paths, function (arr) {
return arr.ids.map(function (x) { return x.id; })
.indexOf(doc._rev.split('-')[1]) !== -1;
});
path.ids.splice(path.ids.map(function (x) {return x.id; })
.indexOf(doc._rev.split('-')[1]) + 1);
path.ids.reverse();
if (opts.revs) {
doc._revisions = {
start: (path.pos + path.ids.length) - 1,
ids: path.ids.map(function (rev) {
return rev.id;
})
};
}
if (opts.revs_info) {
var pos = path.pos + path.ids.length;
doc._revs_info = path.ids.map(function (rev) {
pos--;
return {
rev: pos + '-' + rev.id,
status: rev.opts.status
};
});
}
}
if (opts.local_seq) {
doc._local_seq = result.metadata.seq;
}
if (opts.attachments && doc._attachments) {
var attachments = doc._attachments;
var count = Object.keys(attachments).length;
if (count === 0) {
return callback(null, doc);
}
Object.keys(attachments).forEach(function (key) {
this._getAttachment(attachments[key], {encode: true, ctx: ctx}, function (err, data) {
doc._attachments[key].data = data;
if (!--count) {
callback(null, doc);
}
});
}, self);
} else {
if (doc._attachments) {
for (var key in doc._attachments) {
if (doc._attachments.hasOwnProperty(key)) {
doc._attachments[key].stub = true;
}
}
}
callback(null, doc);
}
});
});
AbstractPouchDB.prototype.getAttachment = utils.adapterFun('getAttachment', function (docId, attachmentId, opts, callback) {
var self = this;
if (opts instanceof Function) {
callback = opts;
opts = {};
}
opts = utils.extend(true, {}, opts);
this._get(docId, opts, function (err, res) {
if (err) {
return callback(err);
}
if (res.doc._attachments && res.doc._attachments[attachmentId]) {
opts.ctx = res.ctx;
self._getAttachment(res.doc._attachments[attachmentId], opts, callback);
} else {
return callback(errors.MISSING_DOC);
}
});
});
AbstractPouchDB.prototype.allDocs = utils.adapterFun('allDocs', function (opts, callback) {
if (typeof opts === 'function') {
callback = opts;
opts = {};
}
opts = utils.extend(true, {}, opts);
if ('keys' in opts) {
var incompatibleOpt = ['startkey', 'endkey', 'key'].filter(function (incompatibleOpt) {
return incompatibleOpt in opts;
})[0];
if (incompatibleOpt) {
callback(errors.error(errors.QUERY_PARSE_ERROR,
'Query parameter `' + incompatibleOpt + '` is not compatible with multi-get'
));
return;
}
}
if (typeof opts.skip === 'undefined') {
opts.skip = 0;
}
return this._allDocs(opts, callback);
});
function processChange(doc, metadata, opts) {
var changeList = [{rev: doc._rev}];
if (opts.style === 'all_docs') {
changeList = merge.collectLeaves(metadata.rev_tree)
.map(function (x) { return {rev: x.rev}; });
}
var change = {
id: metadata.id,
changes: changeList,
doc: doc
};
if (utils.isDeleted(metadata, doc._rev)) {
change.deleted = true;
}
if (opts.conflicts) {
change.doc._conflicts = merge.collectConflicts(metadata);
if (!change.doc._conflicts.length) {
delete change.doc._conflicts;
}
}
return change;
}
function doChanges(api, opts, promise) {
var callback = opts.complete;
opts = utils.extend(true, {}, opts);
if ('live' in opts && !('continuous' in opts)) {
opts.continuous = opts.live;
}
opts.processChange = processChange;
if (!opts.since) {
opts.since = 0;
}
if (opts.since === 'latest') {
api.info(function (err, info) {
if (promise.isCancelled) {
callback(null, {status: 'cancelled'});
return;
}
if (err) {
callback(err);
return;
}
opts.since = info.update_seq - 1;
doChanges(api, opts, promise, callback);
});
return;
}
if (api.type() !== 'http' && opts.filter && typeof opts.filter === 'string') {
if (opts.filter === '_view') {
if (opts.view && typeof opts.view === 'string') {
// fetch a view from a design doc, make it behave like a filter
var viewName = opts.view.split('/');
api.get('_design/' + viewName[0], function (err, ddoc) {
if (promise.isCancelled) {
callback(null, {status: 'cancelled'});
return;
}
if (err) {
callback(err);
return;
}
if (ddoc && ddoc.views && ddoc.views[viewName[1]]) {
/*jshint evil: true */
var filter = eval('(function () {' +
' return function (doc) {' +
' var emitted = false;' +
' var emit = function (a, b) {' +
' emitted = true;' +
' };' +
' var view = ' + ddoc.views[viewName[1]].map + ';' +
' view(doc);' +
' if (emitted) {' +
' return true;' +
' }' +
' }' +
'})()');
opts.filter = filter;
doChanges(api, opts, promise, callback);
return;
} else {
var msg = ddoc.views ? 'missing json key: ' + viewName[1] :
'missing json key: views';
err = err || errors.error(errors.MISSING_DOC, msg);
callback(err);
return;
}
});
} else {
var err = errors.error(errors.BAD_REQUEST,
'`view` filter parameter is not provided.');
callback(err);
return;
}
} else {
// fetch a filter from a design doc
var filterName = opts.filter.split('/');
api.get('_design/' + filterName[0], function (err, ddoc) {
if (promise.isCancelled) {
callback(null, {status: 'cancelled'});
return;
}
if (err) {
callback(err);
return;
}
if (ddoc && ddoc.filters && ddoc.filters[filterName[1]]) {
/*jshint evil: true */
var filter = eval('(function () { return ' +
ddoc.filters[filterName[1]] + ' })()');
opts.filter = filter;
doChanges(api, opts, promise, callback);
return;
} else {
var msg = (ddoc && ddoc.filters) ? 'missing json key: ' + filterName[1]
: 'missing json key: filters';
err = err || errors.error(errors.MISSING_DOC, msg);
callback(err);
return;
}
});
}
return;
}
if (!('descending' in opts)) {
opts.descending = false;
}
// 0 and 1 should return 1 document
opts.limit = opts.limit === 0 ? 1 : opts.limit;
opts.complete = callback;
var newPromise = api._changes(opts);
if (newPromise && typeof newPromise.cancel === 'function') {
var cancel = promise.cancel;
promise.cancel = utils.getArguments(function (args) {
newPromise.cancel();
cancel.apply(this, args);
});
}
}
AbstractPouchDB.prototype.changes = function (opts) {
return utils.cancellableFun(doChanges, this, opts);
};
AbstractPouchDB.prototype.close = utils.adapterFun('close', function (callback) {
return this._close(callback);
});
AbstractPouchDB.prototype.info = utils.adapterFun('info', function (callback) {
var self = this;
this._info(function (err, info) {
if (err) {
return callback(err);
}
var len = self.prefix.length;
if (info.db_name.length > len && info.db_name.slice(0, len) === self.prefix) {
info.db_name = info.db_name.slice(len);
}
callback(null, info);
});
});
AbstractPouchDB.prototype.id = utils.adapterFun('id', function (callback) {
return this._id(callback);
});
AbstractPouchDB.prototype.type = function () {
return (typeof this._type === 'function') ? this._type() : this.adapter;
};
AbstractPouchDB.prototype.bulkDocs = utils.adapterFun('bulkDocs', function (req, opts, callback) {
if (typeof opts === 'function') {
callback = opts;
opts = {};
}
if (!opts) {
opts = {};
} else {
opts = utils.extend(true, {}, opts);
}
if (!req || !req.docs) {
return callback(errors.MISSING_BULK_DOCS);
}
if (!Array.isArray(req.docs)) {
return callback(errors.QUERY_PARSE_ERROR);
}
for (var i = 0; i < req.docs.length; ++i) {
if (typeof req.docs[i] !== 'object' || Array.isArray(req.docs[i])) {
return callback(errors.NOT_AN_OBJECT);
}
}
req = utils.extend(true, {}, req);
if (!('new_edits' in opts)) {
if ('new_edits' in req) {
opts.new_edits = req.new_edits;
} else {
opts.new_edits = true;
}
}
return this._bulkDocs(req, opts, this.autoCompact(callback));
});
},{"./deps/errors":8,"./merge":14,"./utils":18,"events":22}],2:[function(_dereq_,module,exports){
"use strict";
var utils = _dereq_('../utils');
var errors = _dereq_('../deps/errors');
// parseUri 1.2.2
// (c) Steven Levithan <stevenlevithan.com>
// MIT License
function parseUri(str) {
var o = parseUri.options;
var m = o.parser[o.strictMode ? "strict" : "loose"].exec(str);
var uri = {};
var i = 14;
while (i--) {
uri[o.key[i]] = m[i] || "";
}
uri[o.q.name] = {};
uri[o.key[12]].replace(o.q.parser, function ($0, $1, $2) {
if ($1) {
uri[o.q.name][$1] = $2;
}
});
return uri;
}
function encodeDocId(id) {
if (/^_(design|local)/.test(id)) {
return id;
}
return encodeURIComponent(id);
}
parseUri.options = {
strictMode: false,
key: ["source", "protocol", "authority", "userInfo", "user", "password", "host",
"port", "relative", "path", "directory", "file", "query", "anchor"],
q: {
name: "queryKey",
parser: /(?:^|&)([^&=]*)=?([^&]*)/g
},
parser: {
strict: /^(?:([^:\/?#]+):)?(?:\/\/((?:(([^:@]*)(?::([^:@]*))?)?@)?([^:\/?#]*)(?::(\d*))?))?((((?:[^?#\/]*\/)*)([^?#]*))(?:\?([^#]*))?(?:#(.*))?)/,
loose: /^(?:(?![^:@]+:[^:@\/]*@)([^:\/?#.]+):)?(?:\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?([^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/
}
};
// Get all the information you possibly can about the URI given by name and
// return it as a suitable object.
function getHost(name, opts) {
// If the given name contains "http:"
if (/http(s?):/.test(name)) {
// Prase the URI into all its little bits
var uri = parseUri(name);
// Store the fact that it is a remote URI
uri.remote = true;
// Store the user and password as a separate auth object
if (uri.user || uri.password) {
uri.auth = {username: uri.user, password: uri.password};
}
// Split the path part of the URI into parts using '/' as the delimiter
// after removing any leading '/' and any trailing '/'
var parts = uri.path.replace(/(^\/|\/$)/g, '').split('/');
// Store the first part as the database name and remove it from the parts
// array
uri.db = parts.pop();
// Restore the path by joining all the remaining parts (all the parts
// except for the database name) with '/'s
uri.path = parts.join('/');
opts = opts || {};
opts = utils.extend(true, {}, opts);
uri.headers = opts.headers || {};
if (opts.auth || uri.auth) {
var nAuth = opts.auth || uri.auth;
var token = utils.btoa(nAuth.username + ':' + nAuth.password);
uri.headers.Authorization = 'Basic ' + token;
}
if (opts.headers) {
uri.headers = opts.headers;
}
return uri;
}
// If the given name does not contain 'http:' then return a very basic object
// with no host, the current path, the given name as the database name and no
// username/password
return {host: '', path: '/', db: name, auth: false};
}
// Generate a URL with the host data given by opts and the given path
function genDBUrl(opts, path) {
return genUrl(opts, opts.db + '/' + path);
}
// Generate a URL with the host data given by opts and the given path
function genUrl(opts, path) {
if (opts.remote) {
// If the host already has a path, then we need to have a path delimiter
// Otherwise, the path delimiter is the empty string
var pathDel = !opts.path ? '' : '/';
// If the host already has a path, then we need to have a path delimiter
// Otherwise, the path delimiter is the empty string
return opts.protocol + '://' + opts.host + ':' + opts.port + '/' + opts.path + pathDel + path;
}
return '/' + path;
}
// Implements the PouchDB API for dealing with CouchDB instances over HTTP
function HttpPouch(opts, callback) {
// The functions that will be publicly available for HttpPouch
var api = this;
api.getHost = opts.getHost ? opts.getHost : getHost;
// Parse the URI given by opts.name into an easy-to-use object
var host = api.getHost(opts.name, opts);
// Generate the database URL based on the host
var db_url = genDBUrl(host, '');
var ajaxOpts = opts.ajax || {};
opts = utils.extend(true, {}, opts);
function ajax(options, callback) {
return utils.ajax(utils.extend({}, ajaxOpts, options), callback);
}
var uuids = {
list: [],
get: function (opts, callback) {
if (typeof opts === 'function') {
callback = opts;
opts = {count: 10};
}
var cb = function (err, body) {
if (err || !('uuids' in body)) {
callback(err || errors.UNKNOWN_ERROR);
} else {
uuids.list = uuids.list.concat(body.uuids);
callback(null, "OK");
}
};
var params = '?count=' + opts.count;
ajax({
headers: host.headers,
method: 'GET',
url: genUrl(host, '_uuids') + params
}, cb);
}
};
// Create a new CouchDB database based on the given opts
var createDB = function () {
ajax({headers: host.headers, method: 'PUT', url: db_url}, function (err, ret) {
// If we get an "Unauthorized" error
if (err && err.status === 401) {
// Test if the database already exists
ajax({headers: host.headers, method: 'HEAD', url: db_url}, function (err, ret) {
// If there is still an error
if (err) {
// Give the error to the callback to deal with
callback(err);
} else {
// Continue as if there had been no errors
callback(null, api);
}
});
// If there were no errros or if the only error is "Precondition Failed"
// (note: "Precondition Failed" occurs when we try to create a database
// that already exists)
} else if (!err || err.status === 412) {
// Continue as if there had been no errors
callback(null, api);
} else {
callback(err);
}
});
};
if (!opts.skipSetup) {
ajax({headers: host.headers, method: 'GET', url: db_url}, function (err, ret) {
//check if the db exists
if (err) {
if (err.status === 404) {
//if it doesn't, create it
createDB();
} else {
callback(err);
}
} else {
//go do stuff with the db
callback(null, api);
}
});
}
api.type = function () {
return 'http';
};
api.id = utils.adapterFun('id', function (callback) {
ajax({
headers: host.headers,
method: 'GET',
url: genUrl(host, '')
}, function (err, result) {
if (err) {
callback(err);
} else {
var uuid = (result && result.uuid) ?
result.uuid + host.db : genDBUrl(host, '');
callback(null, uuid);
}
});
});
api.request = utils.adapterFun('request', function (options, callback) {
options.headers = host.headers;
options.url = genDBUrl(host, options.url);
ajax(options, callback);
});
// Sends a POST request to the host calling the couchdb _compact function
// version: The version of CouchDB it is running
api.compact = utils.adapterFun('compact', function (opts, callback) {
if (typeof opts === 'function') {
callback = opts;
opts = {};
}
opts = utils.extend(true, {}, opts);
ajax({
headers: host.headers,
url: genDBUrl(host, '_compact'),
method: 'POST'
}, function () {
function ping() {
api.info(function (err, res) {
if (!res.compact_running) {
callback();
} else {
setTimeout(ping, opts.interval || 200);
}
});
}
// Ping the http if it's finished compaction
if (typeof callback === "function") {
ping();
}
});
});
// Calls GET on the host, which gets back a JSON string containing
// couchdb: A welcome string
// version: The version of CouchDB it is running
api._info = function (callback) {
ajax({
headers: host.headers,
method: 'GET',
url: genDBUrl(host, '')
}, function (err, res) {
if (err) {
callback(err);
} else {
res.host = genDBUrl(host, '');
callback(null, res);
}
});
};
// Get the document with the given id from the database given by host.
// The id could be solely the _id in the database, or it may be a
// _design/ID or _local/ID path
api.get = utils.adapterFun('get', function (id, opts, callback) {
// If no options were given, set the callback to the second parameter
if (typeof opts === 'function') {
callback = opts;
opts = {};
}
opts = utils.extend(true, {}, opts);
if (opts.auto_encode === undefined) {
opts.auto_encode = true;
}
// List of parameters to add to the GET request
var params = [];
// If it exists, add the opts.revs value to the list of parameters.
// If revs=true then the resulting JSON will include a field
// _revisions containing an array of the revision IDs.
if (opts.revs) {
params.push('revs=true');
}
// If it exists, add the opts.revs_info value to the list of parameters.
// If revs_info=true then the resulting JSON will include the field
// _revs_info containing an array of objects in which each object
// representing an available revision.
if (opts.revs_info) {
params.push('revs_info=true');
}
if (opts.local_seq) {
params.push('local_seq=true');
}
// If it exists, add the opts.open_revs value to the list of parameters.
// If open_revs=all then the resulting JSON will include all the leaf
// revisions. If open_revs=["rev1", "rev2",...] then the resulting JSON
// will contain an array of objects containing data of all revisions
if (opts.open_revs) {
if (opts.open_revs !== "all") {
opts.open_revs = JSON.stringify(opts.open_revs);
}
params.push('open_revs=' + opts.open_revs);
}
// If it exists, add the opts.attachments value to the list of parameters.
// If attachments=true the resulting JSON will include the base64-encoded
// contents in the "data" property of each attachment.
if (opts.attachments) {
params.push('attachments=true');
}
// If it exists, add the opts.rev value to the list of parameters.
// If rev is given a revision number then get the specified revision.
if (opts.rev) {
params.push('rev=' + opts.rev);
}
// If it exists, add the opts.conflicts value to the list of parameters.
// If conflicts=true then the resulting JSON will include the field
// _conflicts containing all the conflicting revisions.
if (opts.conflicts) {
params.push('conflicts=' + opts.conflicts);
}
// Format the list of parameters into a valid URI query string
params = params.join('&');
params = params === '' ? '' : '?' + params;
if (opts.auto_encode) {
id = encodeDocId(id);
}
// Set the options for the ajax call
var options = {
headers: host.headers,
method: 'GET',
url: genDBUrl(host, id + params)
};
// If the given id contains at least one '/' and the part before the '/'
// is NOT "_design" and is NOT "_local"
// OR
// If the given id contains at least two '/' and the part before the first
// '/' is "_design".
// TODO This second condition seems strange since if parts[0] === '_design'
// then we already know that parts[0] !== '_local'.
var parts = id.split('/');
if ((parts.length > 1 && parts[0] !== '_design' && parts[0] !== '_local') ||
(parts.length > 2 && parts[0] === '_design' && parts[0] !== '_local')) {
// Binary is expected back from the server
options.binary = true;
}
// Get the document
ajax(options, function (err, doc, xhr) {
// If the document does not exist, send an error to the callback
if (err) {
return callback(err);
}
// Send the document to the callback
callback(null, doc, xhr);
});
});
// Delete the document given by doc from the database given by host.
api.remove = utils.adapterFun('remove', function (doc, opts, callback) {
// If no options were given, set the callback to be the second parameter
if (typeof opts === 'function') {
callback = opts;
opts = {};
}
// Delete the document
ajax({
headers: host.headers,
method: 'DELETE',
url: genDBUrl(host, encodeDocId(doc._id)) + '?rev=' + doc._rev
}, callback);
});
// Get the attachment
api.getAttachment = utils.adapterFun('getAttachment', function (docId, attachmentId, opts, callback) {
if (typeof opts === 'function') {
callback = opts;
opts = {};
}
opts = utils.extend(true, {}, opts);
if (opts.auto_encode === undefined) {
opts.auto_encode = true;
}
if (opts.auto_encode) {
docId = encodeDocId(docId);
}
opts.auto_encode = false;
api.get(docId + '/' + attachmentId, opts, callback);
});
// Remove the attachment given by the id and rev
api.removeAttachment = utils.adapterFun('removeAttachment', function (docId, attachmentId, rev, callback) {
ajax({
headers: host.headers,
method: 'DELETE',
url: genDBUrl(host, encodeDocId(docId) + '/' + attachmentId) + '?rev=' + rev
}, callback);
});
// Add the attachment given by blob and its contentType property
// to the document with the given id, the revision given by rev, and
// add it to the database given by host.
api.putAttachment = utils.adapterFun('putAttachment', function (docId, attachmentId, rev, blob, type, callback) {
if (typeof type === 'function') {
callback = type;
type = blob;
blob = rev;
rev = null;
}
if (typeof type === 'undefined') {
type = blob;
blob = rev;
rev = null;
}
var id = encodeDocId(docId) + '/' + attachmentId;
var url = genDBUrl(host, id);
if (rev) {
url += '?rev=' + rev;
}
var opts = {
headers: host.headers,
method: 'PUT',
url: url,
processData: false,
body: blob,
timeout: 60000
};
opts.headers['Content-Type'] = type;
// Add the attachment
ajax(opts, callback);
});
// Add the document given by doc (in JSON string format) to the database
// given by host. This fails if the doc has no _id field.
api.put = utils.adapterFun('put', utils.getArguments(function (args) {
var temp, temptype, opts, callback;
var doc = args.shift();
var id = '_id' in doc;
if (typeof doc !== 'object' || Array.isArray(doc)) {
callback = args.pop();
return callback(errors.NOT_AN_OBJECT);
}
doc = utils.extend(true, {}, doc);
while (true) {
temp = args.shift();
temptype = typeof temp;
if (temptype === "string" && !id) {
doc._id = temp;
id = true;
} else if (temptype === "string" && id && !('_rev' in doc)) {
doc._rev = temp;
} else if (temptype === "object") {
opts = utils.extend(true, {}, temp);
} else if (temptype === "function") {
callback = temp;
}
if (!args.length) {
break;
}
}
opts = opts || {};
var error = utils.invalidIdError(doc._id);
if (error) {
return callback(error);
}
// List of parameter to add to the PUT request
var params = [];
// If it exists, add the opts.new_edits value to the list of parameters.
// If new_edits = false then the database will NOT assign this document a
// new revision number
if (opts && typeof opts.new_edits !== 'undefined') {
params.push('new_edits=' + opts.new_edits);
}
// Format the list of parameters into a valid URI query string
params = params.join('&');
if (params !== '') {
params = '?' + params;
}
// Add the document
ajax({
headers: host.headers,
method: 'PUT',
url: genDBUrl(host, encodeDocId(doc._id)) + params,
body: doc
}, callback);
}));
// Add the document given by doc (in JSON string format) to the database
// given by host. This does not assume that doc is a new document (i.e. does not
// have a _id or a _rev field.
api.post = utils.adapterFun('post', function (doc, opts, callback) {
// If no options were given, set the callback to be the second parameter
if (typeof opts === 'function') {
callback = opts;
opts = {};
}
opts = utils.extend(true, {}, opts);
if (typeof doc !== 'object') {
return callback(errors.NOT_AN_OBJECT);
}
if (! ("_id" in doc)) {
if (uuids.list.length > 0) {
doc._id = uuids.list.pop();
api.put(doc, opts, callback);
} else {
uuids.get(function (err, resp) {
if (err) {
return callback(errors.UNKNOWN_ERROR);
}
doc._id = uuids.list.pop();
api.put(doc, opts, callback);
});
}
} else {
api.put(doc, opts, callback);
}
});
// Update/create multiple documents given by req in the database
// given by host.
api.bulkDocs = utils.adapterFun('bulkDocs', function (req, opts, callback) {
// If no options were given, set the callback to be the second parameter
if (typeof opts === 'function') {
callback = opts;
opts = {};
}
if (!opts) {
opts = {};
}
if (!Array.isArray(req.docs)) {
return callback(errors.error(errors.NOT_AN_OBJECT, "Missing JSON list of 'docs'"));
}
var bad = req.docs.filter(function (doc) {
return typeof doc !== 'object' || Array.isArray(doc);
});
if (bad.length) {
return callback(errors.NOT_AN_OBJECT);
}
req = utils.extend(true, {}, req);
opts = utils.extend(true, {}, opts);
// If opts.new_edits exists add it to the document data to be
// send to the database.
// If new_edits=false then it prevents the database from creating
// new revision numbers for the documents. Instead it just uses
// the old ones. This is used in database replication.
if (typeof opts.new_edits !== 'undefined') {
req.new_edits = opts.new_edits;
}
// Update/create the documents
ajax({
headers: host.headers,
method: 'POST',
url: genDBUrl(host, '_bulk_docs'),
body: req
}, callback);
});
// Get a listing of the documents in the database given
// by host and ordered by increasing id.
api.allDocs = utils.adapterFun('allDocs', function (opts, callback) {
if (typeof opts === 'function') {
callback = opts;
opts = {};
}
opts = utils.extend(true, {}, opts);
// List of parameters to add to the GET request
var params = [];
var body;
var method = 'GET';
// TODO I don't see conflicts as a valid parameter for a
// _all_docs request (see http://wiki.apache.org/couchdb/HTTP_Document_API#all_docs)
if (opts.conflicts) {
params.push('conflicts=true');
}
// If opts.descending is truthy add it to params
if (opts.descending) {
params.push('descending=true');
}
// If opts.include_docs exists, add the include_docs value to the
// list of parameters.
// If include_docs=true then include the associated document with each
// result.
if (opts.include_docs) {
params.push('include_docs=true');
}
if (opts.key) {
params.push('key=' + encodeURIComponent(JSON.stringify(opts.key)));
}
// If opts.startkey exists, add the startkey value to the list of
// parameters.
// If startkey is given then the returned list of documents will
// start with the document whose id is startkey.
if (opts.startkey) {
params.push('startkey=' +
encodeURIComponent(JSON.stringify(opts.startkey)));
}
// If opts.endkey exists, add the endkey value to the list of parameters.
// If endkey is given then the returned list of docuemnts will
// end with the document whose id is endkey.
if (opts.endkey) {
params.push('endkey=' + encodeURIComponent(JSON.stringify(opts.endkey)));
}
// If opts.limit exists, add the limit value to the parameter list.
if (typeof opts.limit !== 'undefined') {
params.push('limit=' + opts.limit);
}
if (typeof opts.skip !== 'undefined') {
params.push('skip=' + opts.skip);
}
// Format the list of parameters into a valid URI query string
params = params.join('&');
if (params !== '') {
params = '?' + params;
}
if (typeof opts.keys !== 'undefined') {
var MAX_URL_LENGTH = 2000;
// according to http://stackoverflow.com/a/417184/680742,
// the de factor URL length limit is 2000 characters
var keysAsString = 'keys=' + encodeURIComponent(JSON.stringify(opts.keys));
if (keysAsString.length + params.length + 1 <= MAX_URL_LENGTH) {
// If the keys are short enough, do a GET. we do this to work around
// Safari not understanding 304s on POSTs (see issue #1239)
params += (params.indexOf('?') !== -1 ? '&' : '?') + keysAsString;
} else {
// If keys are too long, issue a POST request to circumvent GET query string limits
// see http://wiki.apache.org/couchdb/HTTP_view_API#Querying_Options
method = 'POST';
body = JSON.stringify({keys: opts.keys});
}
}
// Get the document listing
ajax({
headers: host.headers,
method: method,
url: genDBUrl(host, '_all_docs' + params),
body: body
}, callback);
});
// Get a list of changes made to documents in the database given by host.
// TODO According to the README, there should be two other methods here,
// api.changes.addListener and api.changes.removeListener.
api._changes = function (opts) {
// We internally page the results of a changes request, this means
// if there is a large set of changes to be returned we can start
// processing them quicker instead of waiting on the entire
// set of changes to return and attempting to process them at once
var CHANGES_LIMIT = 25;
opts = utils.extend(true, {}, opts);
opts.timeout = opts.timeout || 0;
var params = {};
var limit = (typeof opts.limit !== 'undefined') ? opts.limit : false;
if (limit === 0) {
limit = 1;
}
//
var leftToFetch = limit;
if (opts.style) {
params.style = opts.style;
}
if (opts.include_docs || opts.filter && typeof opts.filter === 'function') {
params.include_docs = true;
}
if (opts.continuous) {
params.feed = 'longpoll';
}
if (opts.conflicts) {
params.conflicts = true;
}
if (opts.descending) {
params.descending = true;
}
if (opts.filter && typeof opts.filter === 'string') {
params.filter = opts.filter;
if (opts.filter === '_view' && opts.view && typeof opts.view === 'string') {
params.view = opts.view;
}
}
// If opts.query_params exists, pass it through to the changes request.
// These parameters may be used by the filter on the source database.
if (opts.query_params && typeof opts.query_params === 'object') {
for (var param_name in opts.query_params) {
if (opts.query_params.hasOwnProperty(param_name)) {
params[param_name] = opts.query_params[param_name];
}
}
}
var xhr;
var lastFetchedSeq;
// Get all the changes starting wtih the one immediately after the
// sequence number given by since.
var fetch = function (since, callback) {
if (opts.aborted) {
return;
}
params.since = since;
if (opts.descending) {
if (limit) {
params.limit = leftToFetch;
}
} else {
params.limit = (!limit || leftToFetch > CHANGES_LIMIT) ?
CHANGES_LIMIT : leftToFetch;
}
var paramStr = '?' + Object.keys(params).map(function (k) {
return k + '=' + params[k];
}).join('&');
// Set the options for the ajax call
var xhrOpts = {
headers: host.headers,
method: 'GET',
url: genDBUrl(host, '_changes' + paramStr),
// _changes can take a long time to generate, especially when filtered
timeout: opts.timeout
};
lastFetchedSeq = since;
if (opts.aborted) {
return;
}
// Get the changes
xhr = ajax(xhrOpts, callback);
};
// If opts.since exists, get all the changes from the sequence
// number given by opts.since. Otherwise, get all the changes
// from the sequence number 0.
var fetchTimeout = 10;
var fetchRetryCount = 0;
var results = {results: []};
var fetched = function (err, res) {
if (opts.aborted) {
return;
}
var raw_results_length = 0;
// If the result of the ajax call (res) contains changes (res.results)
if (res && res.results) {
raw_results_length = res.results.length;
results.last_seq = res.last_seq;
// For each change
var req = {};
req.query = opts.query_params;
res.results = res.results.filter(function (c) {
leftToFetch--;
var ret = utils.filterChange(opts)(c);
if (ret) {
results.results.push(c);
utils.call(opts.onChange, c);
}
return ret;
});
} else if (err) {
// In case of an error, stop listening for changes and call opts.complete
opts.aborted = true;
utils.call(opts.complete, err);
return;
}
// The changes feed may have timed out with no results
// if so reuse last update sequence
if (res && res.last_seq) {
lastFetchedSeq = res.last_seq;
}
var finished = (limit && leftToFetch <= 0) ||
(res && raw_results_length < CHANGES_LIMIT) ||
(opts.descending);
if (opts.continuous || !finished) {
// Increase retry delay exponentially as long as errors persist
if (err) {
fetchRetryCount += 1;
} else {
fetchRetryCount = 0;
}
var timeoutMultiplier = 1 << fetchRetryCount;
var retryWait = fetchTimeout * timeoutMultiplier;
var maximumWait = opts.maximumWait || 30000;
if (retryWait > maximumWait) {
utils.call(opts.complete, err || errors.UNKNOWN_ERROR);
return;
}
// Queue a call to fetch again with the newest sequence number
setTimeout(function () { fetch(lastFetchedSeq, fetched); }, retryWait);
} else {
// We're done, call the callback
utils.call(opts.complete, null, results);
}
};
fetch(opts.since || 0, fetched);
// Return a method to cancel this method from processing any more
return {
cancel: function () {
opts.aborted = true;
xhr.abort();
}
};
};
// Given a set of document/revision IDs (given by req), tets the subset of
// those that do NOT correspond to revisions stored in the database.
// See http://wiki.apache.org/couchdb/HttpPostRevsDiff
api.revsDiff = utils.adapterFun('revsDif', function (req, opts, callback) {
// If no options were given, set the callback to be the second parameter
if (typeof opts === 'function') {
callback = opts;
opts = {};
}
// Get the missing document/revision IDs
ajax({
headers: host.headers,
method: 'POST',
url: genDBUrl(host, '_revs_diff'),
body: req
}, function (err, res) {
callback(err, res);
});
});
api.close = utils.adapterFun('close', function (callback) {
callback();
});
function replicateOnServer(target, opts, promise, targetHostUrl) {
opts = utils.extend(true, {}, opts);
var targetHost = api.getHost(targetHostUrl);
var params = {
source: host.db,
target: targetHost.protocol === host.protocol &&
targetHost.authority === host.authority ? targetHost.db : targetHost.source
};
if (opts.continuous) {
params.continuous = true;
}
if (opts.create_target) {
params.create_target = true;
}
if (opts.doc_ids) {
params.doc_ids = opts.doc_ids;
}
if (opts.filter && typeof opts.filter === 'string') {
params.filter = opts.filter;
}
if (opts.query_params) {
params.query_params = opts.query_params;
}
var result = {};
var repOpts = {
headers: host.headers,
method: 'POST',
url: genUrl(host, '_replicate'),
body: params
};
var xhr;
promise.cancel = function () {
this.cancelled = true;
if (xhr && !result.ok) {
xhr.abort();
}
if (result._local_id) {
repOpts.body = {
replication_id: result._local_id
};
}
repOpts.body.cancel = true;
ajax(repOpts, function (err, resp, xhr) {
// If the replication cancel request fails, send an error to the callback
if (err) {
return callback(err);
}
// Send the replication cancel result to the complete callback
utils.call(opts.complete, null, result, xhr);
});
};
if (promise.cancelled) {
return;
}
xhr = ajax(repOpts, function (err, resp, xhr) {
// If the replication fails, send an error to the callback
if (err) {
return callback(err);
}
result.ok = true;
// Provided by CouchDB from 1.2.0 onward to cancel replication
if (resp._local_id) {
result._local_id = resp._local_id;
}
// Send the replication result to the complete callback
utils.call(opts.complete, null, resp, xhr);
});
}
api.replicateOnServer = function (target, opts, promise) {
if (!api.taskqueue.isReady) {
api.taskqueue.addTask('replicateOnServer', [target, opts, promise]);
return promise;
}
target.info(function (err, info) {
replicateOnServer(target, opts, promise, info.host);
});
};
api.destroy = utils.adapterFun('destroy', function (callback) {
ajax({
url: genDBUrl(host, ''),
method: 'DELETE'
}, function (err, resp) {
if (err) {
api.emit('error', err);
callback(err);
} else {
api.emit('destroyed');
callback(null, resp);
}
});
});
}
// Delete the HttpPouch specified by the given name.
HttpPouch.destroy = utils.toPromise(function (name, opts, callback) {
var host = getHost(name, opts);
opts = opts || {};
if (typeof opts === 'function') {
callback = opts;
opts = {};
}
opts = utils.extend(true, {}, opts);
opts.headers = host.headers;
opts.method = 'DELETE';
opts.url = genDBUrl(host, '');
var ajaxOpts = opts.ajax || {};
opts = utils.extend({}, opts, ajaxOpts);
utils.ajax(opts, callback);
});
// HttpPouch is a valid adapter.
HttpPouch.valid = function () {
return true;
};
module.exports = HttpPouch;
},{"../deps/errors":8,"../utils":18}],3:[function(_dereq_,module,exports){
(function (global){
'use strict';
var utils = _dereq_('../utils');
var merge = _dereq_('../merge');
var errors = _dereq_('../deps/errors');
function idbError(callback) {
return function (event) {
callback(errors.error(errors.IDB_ERROR, event.target, event.type));
};
}
function isModernIdb() {
// check for outdated implementations of IDB
// that rely on the setVersion method instead of onupgradeneeded (issue #1207)
// cache based on appVersion, in case the browser is updated
var cacheKey = "_pouch__checkModernIdb_" +
(global.navigator && global.navigator.appVersion);
var cached = utils.hasLocalStorage() && global.localStorage[cacheKey];
if (cached) {
return JSON.parse(cached);
}
var dbName = '_pouch__checkModernIdb';
var result = global.indexedDB.open(dbName, 1).onupgradeneeded === null;
if (global.indexedDB.deleteDatabase) {
global.indexedDB.deleteDatabase(dbName); // db no longer needed
}
if (utils.hasLocalStorage()) {
global.localStorage[cacheKey] = JSON.stringify(result); // cache
}
return result;
}
function IdbPouch(opts, callback) {
// IndexedDB requires a versioned database structure, so we use the
// version here to manage migrations.
var ADAPTER_VERSION = 2;
// The object stores created for each database
// DOC_STORE stores the document meta data, its revision history and state
var DOC_STORE = 'document-store';
// BY_SEQ_STORE stores a particular version of a document, keyed by its
// sequence id
var BY_SEQ_STORE = 'by-sequence';
// Where we store attachments
var ATTACH_STORE = 'attach-store';
// Where we store meta data
var META_STORE = 'meta-store';
// Where we detect blob support
var DETECT_BLOB_SUPPORT_STORE = 'detect-blob-support';
var name = opts.name;
var req = global.indexedDB.open(name, ADAPTER_VERSION);
if (!('openReqList' in IdbPouch)) {
IdbPouch.openReqList = {};
}
IdbPouch.openReqList[name] = req;
var blobSupport = null;
var instanceId = null;
var api = this;
var idb = null;
req.onupgradeneeded = function (e) {
var db = e.target.result;
if (e.oldVersion < 1) {
// initial schema
createSchema(db);
}
if (e.oldVersion < 2) {
// version 2 adds the deletedOrLocal index
addDeletedOrLocalIndex(e);
}
};
function createSchema(db) {
db.createObjectStore(DOC_STORE, {keyPath : 'id'})
.createIndex('seq', 'seq', {unique: true});
db.createObjectStore(BY_SEQ_STORE, {autoIncrement: true})
.createIndex('_doc_id_rev', '_doc_id_rev', {unique: true});
db.createObjectStore(ATTACH_STORE, {keyPath: 'digest'});
db.createObjectStore(META_STORE, {keyPath: 'id', autoIncrement: false});
db.createObjectStore(DETECT_BLOB_SUPPORT_STORE);
}
function addDeletedOrLocalIndex(e) {
var docStore = e.currentTarget.transaction.objectStore(DOC_STORE);
docStore.openCursor().onsuccess = function (event) {
var cursor = event.target.result;
if (cursor) {
var metadata = cursor.value;
var deleted = utils.isDeleted(metadata);
var local = utils.isLocalId(metadata.id);
metadata.deletedOrLocal = (deleted || local) ? "1" : "0";
docStore.put(metadata);
cursor['continue']();
} else {
docStore.createIndex('deletedOrLocal', 'deletedOrLocal', {unique : false});
}
};
}
req.onsuccess = function (e) {
idb = e.target.result;
idb.onversionchange = function () {
idb.close();
};
var txn = idb.transaction([META_STORE, DETECT_BLOB_SUPPORT_STORE],
'readwrite');
var req = txn.objectStore(META_STORE).get(META_STORE);
req.onsuccess = function (e) {
var idStored = false;
var checkSetupComplete = function () {
if (blobSupport === null || !idStored) {
return;
} else {
callback(null, api);
}
};
var meta = e.target.result || {id: META_STORE};
if (name + '_id' in meta) {
instanceId = meta[name + '_id'];
idStored = true;
checkSetupComplete();
} else {
instanceId = utils.uuid();
meta[name + '_id'] = instanceId;
txn.objectStore(META_STORE).put(meta).onsuccess = function () {
idStored = true;
checkSetupComplete();
};
}
// detect blob support
try {
txn.objectStore(DETECT_BLOB_SUPPORT_STORE).put(utils.createBlob(), "key");
blobSupport = true;
} catch (err) {
blobSupport = false;
} finally {
checkSetupComplete();
}
};
};
req.onerror = idbError(callback);
api.type = function () {
return 'idb';
};
api._id = utils.toPromise(function (callback) {
callback(null, instanceId);
});
api._bulkDocs = function idb_bulkDocs(req, opts, callback) {
var newEdits = opts.new_edits;
var userDocs = req.docs;
// Parse the docs, give them a sequence number for the result
var docInfos = userDocs.map(function (doc, i) {
var newDoc = utils.parseDoc(doc, newEdits);
newDoc._bulk_seq = i;
return newDoc;
});
var docInfoErrors = docInfos.filter(function (docInfo) {
return docInfo.error;
});
if (docInfoErrors.length) {
return callback(docInfoErrors[0]);
}
var results = [];
var docsWritten = 0;
function writeMetaData(e) {
var meta = e.target.result;
meta.updateSeq = (meta.updateSeq || 0) + docsWritten;
txn.objectStore(META_STORE).put(meta);
}
function processDocs() {
if (!docInfos.length) {
txn.objectStore(META_STORE).get(META_STORE).onsuccess = writeMetaData;
return;
}
var currentDoc = docInfos.shift();
var req = txn.objectStore(DOC_STORE).get(currentDoc.metadata.id);
req.onsuccess = function process_docRead(event) {
var oldDoc = event.target.result;
if (!oldDoc) {
insertDoc(currentDoc);
} else {
updateDoc(oldDoc, currentDoc);
}
};
}
function complete(event) {
var aresults = [];
results.sort(sortByBulkSeq);
results.forEach(function (result) {
delete result._bulk_seq;
if (result.error) {
aresults.push(result);
return;
}
var metadata = result.metadata;
var rev = merge.winningRev(metadata);
aresults.push({
ok: true,
id: metadata.id,
rev: rev
});
if (utils.isLocalId(metadata.id)) {
return;
}
IdbPouch.Changes.notify(name);
IdbPouch.Changes.notifyLocalWindows(name);
});
callback(null, aresults);
}
function preprocessAttachment(att, finish) {
if (att.stub) {
return finish();
}
if (typeof att.data === 'string') {
var data;
try {
data = atob(att.data);
} catch (e) {
var err = errors.error(errors.BAD_ARG,
"Attachments need to be base64 encoded");
return callback(err);
}
att.digest = 'md5-' + utils.Crypto.MD5(data);
if (blobSupport) {
var type = att.content_type;
data = utils.fixBinary(data);
att.data = utils.createBlob([data], {type: type});
}
return finish();
}
var reader = new FileReader();
reader.onloadend = function (e) {
var binary = utils.arrayBufferToBinaryString(this.result);
att.digest = 'md5-' + utils.Crypto.MD5(binary);
if (!blobSupport) {
att.data = btoa(binary);
}
finish();
};
reader.readAsArrayBuffer(att.data);
}
function preprocessAttachments(callback) {
if (!docInfos.length) {
return callback();
}
var docv = 0;
docInfos.forEach(function (docInfo) {
var attachments = docInfo.data && docInfo.data._attachments ?
Object.keys(docInfo.data._attachments) : [];
if (!attachments.length) {
return done();
}
var recv = 0;
function attachmentProcessed() {
recv++;
if (recv === attachments.length) {
done();
}
}
for (var key in docInfo.data._attachments) {
if (docInfo.data._attachments.hasOwnProperty(key)) {
preprocessAttachment(docInfo.data._attachments[key], attachmentProcessed);
}
}
});
function done() {
docv++;
if (docInfos.length === docv) {
callback();
}
}
}
function writeDoc(docInfo, callback) {
var err = null;
var recv = 0;
docInfo.data._id = docInfo.metadata.id;
docInfo.data._rev = docInfo.metadata.rev;
docsWritten++;
if (utils.isDeleted(docInfo.metadata, docInfo.metadata.rev)) {
docInfo.data._deleted = true;
}
var attachments = docInfo.data._attachments ?
Object.keys(docInfo.data._attachments) : [];
function collectResults(attachmentErr) {
if (!err) {
if (attachmentErr) {
err = attachmentErr;
callback(err);
} else if (recv === attachments.length) {
finish();
}
}
}
function attachmentSaved(err) {
recv++;
collectResults(err);
}
for (var key in docInfo.data._attachments) {
if (!docInfo.data._attachments[key].stub) {
var data = docInfo.data._attachments[key].data;
delete docInfo.data._attachments[key].data;
var digest = docInfo.data._attachments[key].digest;
saveAttachment(docInfo, digest, data, attachmentSaved);
} else {
recv++;
collectResults();
}
}
function finish() {
docInfo.data._doc_id_rev = docInfo.data._id + "::" + docInfo.data._rev;
var index = txn.objectStore(BY_SEQ_STORE).index('_doc_id_rev');
index.getKey(docInfo.data._doc_id_rev).onsuccess = function (e) {
var dataReq = e.target.result ?
txn.objectStore(BY_SEQ_STORE).put(docInfo.data, e.target.result) :
txn.objectStore(BY_SEQ_STORE).put(docInfo.data);
dataReq.onsuccess = function (e) {
docInfo.metadata.seq = e.target.result;
// Current _rev is calculated from _rev_tree on read
delete docInfo.metadata.rev;
var deleted = utils.isDeleted(docInfo.metadata);
var local = utils.isLocalId(docInfo.metadata.id);
var metadata = utils.extend(true, {
deletedOrLocal : (deleted || local) ? "1" : "0"
}, docInfo.metadata);
var metaDataReq = txn.objectStore(DOC_STORE).put(metadata);
metaDataReq.onsuccess = function () {
results.push(docInfo);
utils.call(callback);
};
};
};
}
if (!attachments.length) {
finish();
}
}
function updateDoc(oldDoc, docInfo) {
var merged = merge.merge(oldDoc.rev_tree, docInfo.metadata.rev_tree[0], 1000);
var wasPreviouslyDeleted = utils.isDeleted(oldDoc);
var inConflict = (wasPreviouslyDeleted &&
utils.isDeleted(docInfo.metadata)) ||
(!wasPreviouslyDeleted && newEdits && merged.conflicts !== 'new_leaf');
if (inConflict) {
results.push(makeErr(errors.REV_CONFLICT, docInfo._bulk_seq));
return processDocs();
}
docInfo.metadata.rev_tree = merged.tree;
writeDoc(docInfo, processDocs);
}
function insertDoc(docInfo) {
// Cant insert new deleted documents
if ('was_delete' in opts && utils.isDeleted(docInfo.metadata)) {
results.push(errors.MISSING_DOC);
return processDocs();
}
writeDoc(docInfo, processDocs);
}
// Insert sequence number into the error so we can sort later
function makeErr(err, seq) {
err._bulk_seq = seq;
return err;
}
function saveAttachment(docInfo, digest, data, callback) {
var objectStore = txn.objectStore(ATTACH_STORE);
objectStore.get(digest).onsuccess = function (e) {
var originalRefs = e.target.result && e.target.result.refs || {};
var ref = [docInfo.metadata.id, docInfo.metadata.rev].join('@');
var newAtt = {
digest: digest,
body: data,
refs: originalRefs
};
newAtt.refs[ref] = true;
objectStore.put(newAtt).onsuccess = function (e) {
utils.call(callback);
};
};
}
var txn;
preprocessAttachments(function () {
txn = idb.transaction([DOC_STORE, BY_SEQ_STORE, ATTACH_STORE, META_STORE],
'readwrite');
txn.onerror = idbError(callback);
txn.ontimeout = idbError(callback);
txn.oncomplete = complete;
processDocs();
});
};
function sortByBulkSeq(a, b) {
return a._bulk_seq - b._bulk_seq;
}
// First we look up the metadata in the ids database, then we fetch the
// current revision(s) from the by sequence store
api._get = function idb_get(id, opts, callback) {
var doc;
var metadata;
var err;
var txn;
opts = utils.extend(true, {}, opts);
if (opts.ctx) {
txn = opts.ctx;
} else {
txn = idb.transaction([DOC_STORE, BY_SEQ_STORE, ATTACH_STORE], 'readonly');
}
function finish() {
callback(err, {doc: doc, metadata: metadata, ctx: txn});
}
txn.objectStore(DOC_STORE).get(id).onsuccess = function (e) {
metadata = e.target.result;
// we can determine the result here if:
// 1. there is no such document
// 2. the document is deleted and we don't ask about specific rev
// When we ask with opts.rev we expect the answer to be either
// doc (possibly with _deleted=true) or missing error
if (!metadata) {
err = errors.MISSING_DOC;
return finish();
}
if (utils.isDeleted(metadata) && !opts.rev) {
err = errors.error(errors.MISSING_DOC, "deleted");
return finish();
}
var rev = merge.winningRev(metadata);
var key = metadata.id + '::' + (opts.rev ? opts.rev : rev);
var index = txn.objectStore(BY_SEQ_STORE).index('_doc_id_rev');
index.get(key).onsuccess = function (e) {
doc = e.target.result;
if (doc && doc._doc_id_rev) {
delete(doc._doc_id_rev);
}
if (!doc) {
err = errors.MISSING_DOC;
return finish();
}
finish();
};
};
};
api._getAttachment = function (attachment, opts, callback) {
var result;
var txn;
opts = utils.extend(true, {}, opts);
if (opts.ctx) {
txn = opts.ctx;
} else {
txn = idb.transaction([DOC_STORE, BY_SEQ_STORE, ATTACH_STORE], 'readonly');
}
var digest = attachment.digest;
var type = attachment.content_type;
txn.objectStore(ATTACH_STORE).get(digest).onsuccess = function (e) {
var data = e.target.result.body;
if (opts.encode) {
if (blobSupport) {
var reader = new FileReader();
reader.onloadend = function (e) {
var binary = utils.arrayBufferToBinaryString(this.result);
result = btoa(binary);
callback(null, result);
};
reader.readAsArrayBuffer(data);
} else {
result = data;
callback(null, result);
}
} else {
if (blobSupport) {
result = data;
} else {
data = utils.fixBinary(atob(data));
result = utils.createBlob([data], {type: type});
}
callback(null, result);
}
};
};
function allDocsKeysQuery(totalRows, opts, callback) {
var keys = opts.keys;
var descending = 'descending' in opts ? opts.descending : false;
if (!keys.length) { // empty list is okay
callback(null, {
offset : opts.skip,
rows : [],
total_rows : totalRows
});
} else {
// do a separate "key" query for each key in the keys array
var resultsToCollate = [];
keys.forEach(function (key) {
var subOpts = utils.extend(true, {}, opts);
subOpts.keys_request = true; // internal param, says this is a "keys" request
subOpts.key = key;
delete subOpts.keys;
delete subOpts.skip;
delete subOpts.limit;
allDocsNormalQuery(totalRows, subOpts, function (err, res) {
resultsToCollate.push({err : err, res : res, key : key});
if (resultsToCollate.length === keys.length) {
// all done, time to collate
var keysToResults = {};
for (var i = 0; i < resultsToCollate.length; i++) {
var result = resultsToCollate[i];
if (result.err) {
callback(err);
return;
} else {
keysToResults[result.key] = result;
}
}
var results = [];
keys.forEach(function (key) {
var result = keysToResults[key];
if (result.res.rows.length) {
results.push(result.res.rows[0]); // only one result ever
} else {
results.push({"key": key, "error": "not_found"});
}
});
if (descending) {
results = results.reverse();
}
callback(null, {
total_rows: totalRows,
offset: opts.skip,
rows: ('limit' in opts) ? results.slice(opts.skip, opts.limit + opts.skip) :
(opts.skip > 0) ? results.slice(opts.skip) : results
});
}
});
});
}
}
function allDocsNormalQuery(totalRows, opts, callback) {
var start = 'startkey' in opts ? opts.startkey : false;
var end = 'endkey' in opts ? opts.endkey : false;
var key = 'key' in opts ? opts.key : false;
var skip = opts.skip || 0;
var limit = typeof opts.limit === 'number' ? opts.limit : -1;
var descending = 'descending' in opts && opts.descending ? 'prev' : null;
var manualDescEnd = false;
if (descending && start && end) {
// unfortunately IDB has a quirk where IDBKeyRange.bound is invalid if the
// start is less than the end, even in descending mode. Best bet
// is just to handle it manually in that case.
manualDescEnd = end;
end = false;
}
var keyRange;
try {
keyRange = start && end ? global.IDBKeyRange.bound(start, end)
: start ? (descending ? global.IDBKeyRange.upperBound(start) : global.IDBKeyRange.lowerBound(start))
: end ? (descending ? global.IDBKeyRange.lowerBound(end) : global.IDBKeyRange.upperBound(end))
: key ? global.IDBKeyRange.only(key) : null;
} catch (e) {
if (e.name === "DataError" && e.code === 0) {
// data error, start is less than end
return callback(null, {
total_rows : totalRows,
offset : opts.skip,
rows : []
});
} else {
return callback(errors.error(errors.IDB_ERROR, e.name, e.message));
}
}
var transaction = idb.transaction([DOC_STORE, BY_SEQ_STORE], 'readonly');
transaction.oncomplete = function () {
callback(null, {
total_rows: totalRows,
offset: opts.skip,
rows: results
});
};
var oStore = transaction.objectStore(DOC_STORE);
var oCursor = descending ? oStore.openCursor(keyRange, descending)
: oStore.openCursor(keyRange);
var results = [];
oCursor.onsuccess = function (e) {
if (!e.target.result) {
return;
}
var cursor = e.target.result;
var metadata = cursor.value;
function allDocsInner(metadata, data) {
if (utils.isLocalId(metadata.id)) {
return cursor['continue']();
}
var doc = {
id: metadata.id,
key: metadata.id,
value: {
rev: merge.winningRev(metadata)
}
};
if (opts.include_docs) {
doc.doc = data;
doc.doc._rev = merge.winningRev(metadata);
if (doc.doc._doc_id_rev) {
delete(doc.doc._doc_id_rev);
}
if (opts.conflicts) {
doc.doc._conflicts = merge.collectConflicts(metadata);
}
for (var att in doc.doc._attachments) {
if (doc.doc._attachments.hasOwnProperty(att)) {
doc.doc._attachments[att].stub = true;
}
}
}
if (opts.keys_request) {
// deleted docs are okay with keys_requests
if (utils.isDeleted(metadata)) {
doc.value.deleted = true;
doc.doc = null;
}
results.push(doc);
} else if (!utils.isDeleted(metadata) && skip-- <= 0) {
if (manualDescEnd && doc.key < manualDescEnd) {
return;
}
results.push(doc);
if (--limit === 0) {
return;
}
}
cursor['continue']();
}
if (!opts.include_docs) {
allDocsInner(metadata);
} else {
var index = transaction.objectStore(BY_SEQ_STORE).index('_doc_id_rev');
var mainRev = merge.winningRev(metadata);
var key = metadata.id + "::" + mainRev;
index.get(key).onsuccess = function (event) {
allDocsInner(cursor.value, event.target.result);
};
}
};
}
api._allDocs = function idb_allDocs(opts, callback) {
// first count the total_rows using the undeleted/non-local count
var txn = idb.transaction([DOC_STORE], 'readonly');
var totalRows;
function countUndeletedNonlocalDocs(e) {
totalRows = e.target.result;
}
var index = txn.objectStore(DOC_STORE).index('deletedOrLocal');
index.count(global.IDBKeyRange.only("0")).onsuccess = countUndeletedNonlocalDocs;
txn.onerror = idbError(callback);
txn.oncomplete = function () {
if (opts.limit === 0) {
return callback(null, {
total_rows : totalRows,
offset : opts.skip,
rows : []
});
} else if ('keys' in opts) {
allDocsKeysQuery(totalRows, opts, callback);
} else {
allDocsNormalQuery(totalRows, opts, callback);
}
};
};
api._info = function idb_info(callback) {
var count = 0;
var update_seq = 0;
var txn = idb.transaction([DOC_STORE, META_STORE], 'readonly');
function fetchUpdateSeq(e) {
update_seq = e.target.result && e.target.result.updateSeq || 0;
}
function countDocs(e) {
var cursor = e.target.result;
if (!cursor) {
txn.objectStore(META_STORE).get(META_STORE).onsuccess = fetchUpdateSeq;
return;
}
if (cursor.value.deleted !== true) {
count++;
}
cursor['continue']();
}
txn.oncomplete = function () {
callback(null, {
db_name: name,
doc_count: count,
update_seq: update_seq
});
};
txn.objectStore(DOC_STORE).openCursor().onsuccess = countDocs;
};
api._changes = function idb_changes(opts) {
opts = utils.extend(true, {}, opts);
if (opts.continuous) {
var id = name + ':' + utils.uuid();
IdbPouch.Changes.addListener(name, id, api, opts);
IdbPouch.Changes.notify(name);
return {
cancel: function () {
IdbPouch.Changes.removeListener(name, id);
}
};
}
var descending = opts.descending ? 'prev' : null;
var last_seq = 0;
// Ignore the `since` parameter when `descending` is true
opts.since = opts.since && !descending ? opts.since : 0;
var results = [], resultIndices = {}, dedupResults = [];
var txn;
function fetchChanges() {
txn = idb.transaction([DOC_STORE, BY_SEQ_STORE]);
txn.oncomplete = onTxnComplete;
var req;
if (descending) {
req = txn.objectStore(BY_SEQ_STORE)
.openCursor(global.IDBKeyRange.lowerBound(opts.since, true), descending);
} else {
req = txn.objectStore(BY_SEQ_STORE)
.openCursor(global.IDBKeyRange.lowerBound(opts.since, true));
}
req.onsuccess = onsuccess;
req.onerror = onerror;
}
fetchChanges();
function onsuccess(event) {
if (!event.target.result) {
// Filter out null results casued by deduping
for (var i = 0, l = results.length; i < l; i++) {
var result = results[i];
if (result) {
dedupResults.push(result);
}
}
return false;
}
var cursor = event.target.result;
// Try to pre-emptively dedup to save us a bunch of idb calls
var changeId = cursor.value._id;
var changeIdIndex = resultIndices[changeId];
if (changeIdIndex !== undefined) {
results[changeIdIndex].seq = cursor.key;
// update so it has the later sequence number
results.push(results[changeIdIndex]);
results[changeIdIndex] = null;
resultIndices[changeId] = results.length - 1;
return cursor['continue']();
}
var index = txn.objectStore(DOC_STORE);
index.get(cursor.value._id).onsuccess = function (event) {
var metadata = event.target.result;
if (utils.isLocalId(metadata.id)) {
return cursor['continue']();
}
if (last_seq < metadata.seq) {
last_seq = metadata.seq;
}
var mainRev = merge.winningRev(metadata);
var key = metadata.id + "::" + mainRev;
var index = txn.objectStore(BY_SEQ_STORE).index('_doc_id_rev');
index.get(key).onsuccess = function (docevent) {
var doc = docevent.target.result;
delete doc['_doc_id_rev'];
doc._rev = mainRev;
var change = opts.processChange(doc, metadata, opts);
change.seq = cursor.key;
// Dedupe the changes feed
var changeId = change.id, changeIdIndex = resultIndices[changeId];
if (changeIdIndex !== undefined) {
results[changeIdIndex] = null;
}
results.push(change);
resultIndices[changeId] = results.length - 1;
cursor['continue']();
};
};
}
function onTxnComplete() {
utils.processChanges(opts, dedupResults, last_seq);
}
};
api._close = function (callback) {
if (idb === null) {
return callback(errors.NOT_OPEN);
}
// https://developer.mozilla.org/en-US/docs/IndexedDB/IDBDatabase#close
// "Returns immediately and closes the connection in a separate thread..."
idb.close();
callback();
};
api._getRevisionTree = function (docId, callback) {
var txn = idb.transaction([DOC_STORE], 'readonly');
var req = txn.objectStore(DOC_STORE).get(docId);
req.onsuccess = function (event) {
var doc = event.target.result;
if (!doc) {
callback(errors.MISSING_DOC);
} else {
callback(null, doc.rev_tree);
}
};
};
// This function removes revisions of document docId
// which are listed in revs and sets this document
// revision to to rev_tree
api._doCompaction = function (docId, rev_tree, revs, callback) {
var txn = idb.transaction([DOC_STORE, BY_SEQ_STORE], 'readwrite');
var index = txn.objectStore(DOC_STORE);
index.get(docId).onsuccess = function (event) {
var metadata = event.target.result;
metadata.rev_tree = rev_tree;
var count = revs.length;
revs.forEach(function (rev) {
var index = txn.objectStore(BY_SEQ_STORE).index('_doc_id_rev');
var key = docId + "::" + rev;
index.getKey(key).onsuccess = function (e) {
var seq = e.target.result;
if (!seq) {
return;
}
txn.objectStore(BY_SEQ_STORE)['delete'](seq);
count--;
if (!count) {
if (metadata) {
var deleted = utils.isDeleted(metadata);
var local = utils.isLocalId(metadata.id);
metadata = utils.extend(true, {deletedOrLocal : (deleted || local) ? "1" : "0"}, metadata);
}
txn.objectStore(DOC_STORE).put(metadata);
}
};
});
};
txn.oncomplete = function () {
utils.call(callback);
};
};
}
IdbPouch.valid = function () {
return global.indexedDB && isModernIdb();
};
IdbPouch.destroy = utils.toPromise(function (name, opts, callback) {
if (!('openReqList' in IdbPouch)) {
IdbPouch.openReqList = {};
}
IdbPouch.Changes.clearListeners(name);
//Close open request for "name" database to fix ie delay.
if (IdbPouch.openReqList[name] && IdbPouch.openReqList[name].result) {
IdbPouch.openReqList[name].result.close();
}
var req = global.indexedDB.deleteDatabase(name);
req.onsuccess = function () {
//Remove open request from the list.
if (IdbPouch.openReqList[name]) {
IdbPouch.openReqList[name] = null;
}
callback();
};
req.onerror = idbError(callback);
});
IdbPouch.Changes = new utils.Changes();
module.exports = IdbPouch;
}).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"../deps/errors":8,"../merge":14,"../utils":18}],4:[function(_dereq_,module,exports){
(function (global){
'use strict';
var utils = _dereq_('../utils');
var merge = _dereq_('../merge');
var errors = _dereq_('../deps/errors');
function quote(str) {
return "'" + str + "'";
}
var openDB = utils.getArguments(function (args) {
if (typeof global !== 'undefined') {
if (global.navigator && global.navigator.sqlitePlugin &&
global.navigator.sqlitePlugin.openDatabase) {
return navigator.sqlitePlugin.openDatabase
.apply(navigator.sqlitePlugin, args);
} else if (global.sqlitePlugin && global.sqlitePlugin.openDatabase) {
return global.sqlitePlugin.openDatabase
.apply(global.sqlitePlugin, args);
} else {
return global.openDatabase.apply(global, args);
}
}
});
var POUCH_VERSION = 1;
var POUCH_SIZE = 5 * 1024 * 1024;
var ADAPTER_VERSION = 2; // used to manage migrations
// The object stores created for each database
// DOC_STORE stores the document meta data, its revision history and state
var DOC_STORE = quote('document-store');
// BY_SEQ_STORE stores a particular version of a document, keyed by its
// sequence id
var BY_SEQ_STORE = quote('by-sequence');
// Where we store attachments
var ATTACH_STORE = quote('attach-store');
var META_STORE = quote('metadata-store');
// these indexes cover the ground for most allDocs queries
var BY_SEQ_STORE_DELETED_INDEX_SQL = 'CREATE INDEX IF NOT EXISTS \'by-seq-deleted-idx\' ON ' +
BY_SEQ_STORE + ' (seq, deleted)';
var DOC_STORE_LOCAL_INDEX_SQL = 'CREATE INDEX IF NOT EXISTS \'doc-store-local-idx\' ON ' +
DOC_STORE + ' (local, id)';
var DOC_STORE_WINNINGSEQ_INDEX_SQL = 'CREATE INDEX IF NOT EXISTS \'doc-winningseq-idx\' ON ' +
DOC_STORE + ' (winningseq)';
var idRequests = [];
var cachedDatabases = {};
function unknownError(callback) {
return function (event) {
// event may actually be a SQLError object, so report is as such
var errorNameMatch = event && event.constructor.toString()
.match(/function ([^\(]+)/);
var errorName = (errorNameMatch && errorNameMatch[1]) || event.type;
var errorReason = event.target || event.message;
callback(errors.error(errors.WSQ_ERROR, errorReason, errorName));
};
}
function parseHexString(str) {
var result = '';
for (var i = 0, len = str.length; i < len; i += 2) {
result += String.fromCharCode(parseInt(str.substring(i, i + 2), 16));
}
return result;
}
// Safari is weird, it encodes everything with bonus \u0000 characters after
// every character rather than user agent sniff, we test every odd
// character for \u0000
function isMangledUnicode(str) {
for (var i = 1, len = str.length; i < len; i += 2) {
if (str.charAt(i) !== '\u0000') {
return false;
}
}
return true;
}
// unmangle the aforementioned Safari atrocity
function unmangleUnicode(str) {
var result = '';
for (var i = 0, len = str.length; i < len; i += 2) {
result += str.charAt(i);
}
return result;
}
// used to deal with utf8 encoding that occurs in most sqlite implementations
// partially taken from
// http://ecmanaut.blogspot.ca/2006/07/encoding-decoding-utf8-in-javascript.html
function decodeUtf8(str) {
var result;
try {
result = decodeURIComponent(window.escape(str));
} catch (err) {
// URI error in safari, string is already escaped but still possibly mangled
result = str;
}
return isMangledUnicode(result) ? unmangleUnicode(result) : result;
}
function WebSqlPouch(opts, callback) {
var api = this;
var instanceId = null;
var name = opts.name;
var db = cachedDatabases[name];
if (!db) {
cachedDatabases[name] = db = openDB(name, POUCH_VERSION, name, POUCH_SIZE);
}
if (!db) {
return callback(errors.UNKNOWN_ERROR);
}
function dbCreated() {
// note the db name in case the browser upgrades to idb
if (utils.hasLocalStorage()) {
global.localStorage['_pouch__websqldb_' + name] = true;
}
callback(null, api);
}
// In this migration, we added the 'deleted' and 'local' columns to the by-seq and doc store tables.
// To preserve existing user data, we re-process all the existing JSON
// and add these values.
// Called migration2 because it corresponds to adapter version (db_version) #2
function runMigration2(tx) {
tx.executeSql(DOC_STORE_WINNINGSEQ_INDEX_SQL); // index used for the join in the allDocs query
tx.executeSql('ALTER TABLE ' + BY_SEQ_STORE + ' ADD COLUMN deleted TINYINT(1) DEFAULT 0', [], function () {
tx.executeSql(BY_SEQ_STORE_DELETED_INDEX_SQL);
tx.executeSql('ALTER TABLE ' + DOC_STORE + ' ADD COLUMN local TINYINT(1) DEFAULT 0', [], function () {
tx.executeSql(DOC_STORE_LOCAL_INDEX_SQL);
var sql = 'SELECT ' + DOC_STORE + '.winningseq AS seq, ' + DOC_STORE + '.json AS metadata FROM ' +
BY_SEQ_STORE + ' JOIN ' + DOC_STORE + ' ON ' + BY_SEQ_STORE + '.seq = ' +
DOC_STORE + '.winningseq';
tx.executeSql(sql, [], function (tx, result) {
var deleted = [];
var local = [];
for (var i = 0; i < result.rows.length; i++) {
var item = result.rows.item(i);
var seq = item.seq;
var metadata = JSON.parse(item.metadata);
if (utils.isDeleted(metadata)) {
deleted.push(seq);
}
if (utils.isLocalId(metadata.id)) {
local.push(metadata.id);
}
}
tx.executeSql('UPDATE ' + DOC_STORE + 'SET local = 1 WHERE id IN (' + local.map(function () {
return '?';
}).join(',') + ')', local);
tx.executeSql('UPDATE ' + BY_SEQ_STORE + ' SET deleted = 1 WHERE seq IN (' + deleted.map(function () {
return '?';
}).join(',') + ')', deleted);
});
});
});
}
function onGetInstanceId() {
while (idRequests.length > 0) {
var idCallback = idRequests.pop();
idCallback(null, instanceId);
}
}
function onGetVersion(tx, dbVersion) {
if (dbVersion === 0) {
// initial schema
var meta = 'CREATE TABLE IF NOT EXISTS ' + META_STORE +
' (update_seq, dbid, db_version INTEGER)';
var attach = 'CREATE TABLE IF NOT EXISTS ' + ATTACH_STORE +
' (digest, json, body BLOB)';
var doc = 'CREATE TABLE IF NOT EXISTS ' + DOC_STORE +
' (id unique, seq, json, winningseq, local TINYINT(1))';
var seq = 'CREATE TABLE IF NOT EXISTS ' + BY_SEQ_STORE +
' (seq INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT, doc_id_rev UNIQUE, json, deleted TINYINT(1))';
// creates
tx.executeSql(attach);
tx.executeSql(doc, [], function () {
tx.executeSql(DOC_STORE_WINNINGSEQ_INDEX_SQL);
tx.executeSql(DOC_STORE_LOCAL_INDEX_SQL);
});
tx.executeSql(seq, [], function () {
tx.executeSql(BY_SEQ_STORE_DELETED_INDEX_SQL);
});
tx.executeSql(meta, [], function () {
// mark the update_seq, db version, and new dbid
var initSeq = 'INSERT INTO ' + META_STORE + ' (update_seq, db_version, dbid) VALUES (?, ?, ?)';
instanceId = utils.uuid();
tx.executeSql(initSeq, [0, ADAPTER_VERSION, instanceId]);
onGetInstanceId();
});
} else { // version > 0
if (dbVersion === 1) {
runMigration2(tx);
// mark the db version within this transaction
tx.executeSql('UPDATE ' + META_STORE + ' SET db_version = ' + ADAPTER_VERSION);
} // in the future, add more migrations here
// notify db.id() callers
tx.executeSql('SELECT dbid FROM ' + META_STORE, [], function (tx, result) {
instanceId = result.rows.item(0).dbid;
onGetInstanceId();
});
}
}
function setup() {
db.transaction(function (tx) {
// first get the version
tx.executeSql('SELECT sql FROM sqlite_master WHERE tbl_name = ' + META_STORE, [], function (tx, result) {
if (!result.rows.length) {
// database hasn't even been created yet (version 0)
onGetVersion(tx, 0);
} else if (!/db_version/.test(result.rows.item(0).sql)) {
// table was created, but without the new db_version column, so add it.
tx.executeSql('ALTER TABLE ' + META_STORE + ' ADD COLUMN db_version INTEGER', [], function () {
onGetVersion(tx, 1); // before version 2, this column didn't even exist
});
} else { // column exists, we can safely get it
tx.executeSql('SELECT db_version FROM ' + META_STORE, [], function (tx, result) {
var dbVersion = result.rows.item(0).db_version;
onGetVersion(tx, dbVersion);
});
}
});
}, unknownError(callback), dbCreated);
}
if (utils.isCordova() && typeof global !== 'undefined') {
//to wait until custom api is made in pouch.adapters before doing setup
global.addEventListener(name + '_pouch', function cordova_init() {
global.removeEventListener(name + '_pouch', cordova_init, false);
setup();
}, false);
} else {
setup();
}
api.type = function () {
return 'websql';
};
api._id = utils.toPromise(function (callback) {
callback(null, instanceId);
});
api._info = function (callback) {
db.transaction(function (tx) {
var sql = 'SELECT COUNT(id) AS count FROM ' + DOC_STORE;
tx.executeSql(sql, [], function (tx, result) {
var doc_count = result.rows.item(0).count;
var updateseq = 'SELECT update_seq FROM ' + META_STORE;
tx.executeSql(updateseq, [], function (tx, result) {
var update_seq = result.rows.item(0).update_seq;
callback(null, {
db_name: name,
doc_count: doc_count,
update_seq: update_seq
});
});
});
});
};
api._bulkDocs = function (req, opts, callback) {
var newEdits = opts.new_edits;
var userDocs = req.docs;
var docsWritten = 0;
// Parse the docs, give them a sequence number for the result
var docInfos = userDocs.map(function (doc, i) {
var newDoc = utils.parseDoc(doc, newEdits);
newDoc._bulk_seq = i;
return newDoc;
});
var docInfoErrors = docInfos.filter(function (docInfo) {
return docInfo.error;
});
if (docInfoErrors.length) {
return callback(docInfoErrors[0]);
}
var tx;
var results = [];
var fetchedDocs = {};
function sortByBulkSeq(a, b) {
return a._bulk_seq - b._bulk_seq;
}
function complete(event) {
var aresults = [];
results.sort(sortByBulkSeq);
results.forEach(function (result) {
delete result._bulk_seq;
if (result.error) {
aresults.push(result);
return;
}
var metadata = result.metadata;
var rev = merge.winningRev(metadata);
aresults.push({
ok: true,
id: metadata.id,
rev: rev
});
if (utils.isLocalId(metadata.id)) {
return;
}
docsWritten++;
WebSqlPouch.Changes.notify(name);
WebSqlPouch.Changes.notifyLocalWindows(name);
});
var updateseq = 'SELECT update_seq FROM ' + META_STORE;
tx.executeSql(updateseq, [], function (tx, result) {
var update_seq = result.rows.item(0).update_seq + docsWritten;
var sql = 'UPDATE ' + META_STORE + ' SET update_seq=?';
tx.executeSql(sql, [update_seq], function () {
callback(null, aresults);
});
});
}
function preprocessAttachment(att, finish) {
if (att.stub) {
return finish();
}
if (typeof att.data === 'string') {
try {
att.data = atob(att.data);
} catch (e) {
var err = errors.error(errors.BAD_ARG,
"Attachments need to be base64 encoded");
return callback(err);
}
var data = utils.fixBinary(att.data);
att.data = utils.createBlob([data], {type: att.content_type});
}
var reader = new FileReader();
reader.onloadend = function (e) {
var binary = utils.arrayBufferToBinaryString(this.result);
att.data = binary;
att.digest = 'md5-' + utils.Crypto.MD5(binary);
finish();
};
reader.readAsArrayBuffer(att.data);
}
function preprocessAttachments(callback) {
if (!docInfos.length) {
return callback();
}
var docv = 0;
docInfos.forEach(function (docInfo) {
var attachments = docInfo.data && docInfo.data._attachments ?
Object.keys(docInfo.data._attachments) : [];
var recv = 0;
if (!attachments.length) {
return done();
}
function processedAttachment() {
recv++;
if (recv === attachments.length) {
done();
}
}
for (var key in docInfo.data._attachments) {
if (docInfo.data._attachments.hasOwnProperty(key)) {
preprocessAttachment(docInfo.data._attachments[key], processedAttachment);
}
}
});
function done() {
docv++;
if (docInfos.length === docv) {
callback();
}
}
}
function writeDoc(docInfo, callback, isUpdate) {
function finish() {
var data = docInfo.data;
var doc_id_rev = data._id + "::" + data._rev;
var deleted = utils.isDeleted(docInfo.metadata, docInfo.metadata.rev) ? 1 : 0;
var fetchSql = 'SELECT * FROM ' + BY_SEQ_STORE + ' WHERE doc_id_rev=?;';
tx.executeSql(fetchSql, [doc_id_rev], function (err, res) {
var sql, sqlArgs;
if (res.rows.length) {
sql = 'UPDATE ' + BY_SEQ_STORE +
' SET json=?, deleted=? WHERE doc_id_rev=?;';
sqlArgs = [JSON.stringify(data), deleted, doc_id_rev];
tx.executeSql(sql, sqlArgs, function (tx) {
dataWritten(tx, res.rows.item(0).seq);
});
} else {
sql = 'INSERT INTO ' + BY_SEQ_STORE +
' (doc_id_rev, json, deleted) VALUES (?, ?, ?);';
sqlArgs = [doc_id_rev, JSON.stringify(data), deleted];
tx.executeSql(sql, sqlArgs, function (tx, result) {
dataWritten(tx, result.insertId);
});
}
});
}
function collectResults(attachmentErr) {
if (!err) {
if (attachmentErr) {
err = attachmentErr;
callback(err);
} else if (recv === attachments.length) {
finish();
}
}
}
var err = null;
var recv = 0;
docInfo.data._id = docInfo.metadata.id;
docInfo.data._rev = docInfo.metadata.rev;
if (utils.isDeleted(docInfo.metadata, docInfo.metadata.rev)) {
docInfo.data._deleted = true;
}
var attachments = docInfo.data._attachments ?
Object.keys(docInfo.data._attachments) : [];
function attachmentSaved(err) {
recv++;
collectResults(err);
}
for (var key in docInfo.data._attachments) {
if (!docInfo.data._attachments[key].stub) {
var data = docInfo.data._attachments[key].data;
delete docInfo.data._attachments[key].data;
var digest = docInfo.data._attachments[key].digest;
saveAttachment(docInfo, digest, data, attachmentSaved);
} else {
recv++;
collectResults();
}
}
if (!attachments.length) {
finish();
}
function dataWritten(tx, seq) {
docInfo.metadata.seq = seq;
delete docInfo.metadata.rev;
var mainRev = merge.winningRev(docInfo.metadata);
var sql = isUpdate ?
'UPDATE ' + DOC_STORE + ' SET seq=?, json=?, winningseq=(SELECT seq FROM ' +
BY_SEQ_STORE + ' WHERE doc_id_rev=?) WHERE id=?' :
'INSERT INTO ' + DOC_STORE + ' (id, seq, winningseq, json, local) VALUES (?, ?, ?, ?, ?);';
var metadataStr = JSON.stringify(docInfo.metadata);
var key = docInfo.metadata.id + "::" + mainRev;
var local = utils.isLocalId(docInfo.metadata.id) ? 1 : 0;
var params = isUpdate ?
[seq, metadataStr, key, docInfo.metadata.id] :
[docInfo.metadata.id, seq, seq, metadataStr, local];
tx.executeSql(sql, params, function (tx, result) {
results.push(docInfo);
callback();
});
}
}
function updateDoc(oldDoc, docInfo) {
var merged = merge.merge(oldDoc.rev_tree, docInfo.metadata.rev_tree[0], 1000);
var inConflict = (utils.isDeleted(oldDoc) &&
utils.isDeleted(docInfo.metadata)) ||
(!utils.isDeleted(oldDoc) &&
newEdits && merged.conflicts !== 'new_leaf');
if (inConflict) {
results.push(makeErr(errors.REV_CONFLICT, docInfo._bulk_seq));
return processDocs();
}
docInfo.metadata.rev_tree = merged.tree;
writeDoc(docInfo, processDocs, true);
}
function insertDoc(docInfo) {
// Cant insert new deleted documents
if ('was_delete' in opts && utils.isDeleted(docInfo.metadata)) {
results.push(errors.MISSING_DOC);
return processDocs();
}
writeDoc(docInfo, processDocs, false);
}
function processDocs() {
if (!docInfos.length) {
return complete();
}
var currentDoc = docInfos.shift();
var id = currentDoc.metadata.id;
if (id in fetchedDocs) {
updateDoc(fetchedDocs[id], currentDoc);
} else {
// if we have newEdits=false then we can update the same
// document twice in a single bulk docs call
fetchedDocs[id] = currentDoc.metadata;
insertDoc(currentDoc);
}
}
// Insert sequence number into the error so we can sort later
function makeErr(err, seq) {
err._bulk_seq = seq;
return err;
}
function saveAttachment(docInfo, digest, data, callback) {
var ref = [docInfo.metadata.id, docInfo.metadata.rev].join('@');
var newAtt = {digest: digest};
var sql = 'SELECT digest, json FROM ' + ATTACH_STORE + ' WHERE digest=?';
tx.executeSql(sql, [digest], function (tx, result) {
if (!result.rows.length) {
newAtt.refs = {};
newAtt.refs[ref] = true;
sql = 'INSERT INTO ' + ATTACH_STORE + '(digest, json, body) VALUES (?, ?, ?)';
tx.executeSql(sql, [digest, JSON.stringify(newAtt), data], function () {
callback();
});
} else {
newAtt.refs = JSON.parse(result.rows.item(0).json).refs;
sql = 'UPDATE ' + ATTACH_STORE + ' SET json=?, body=? WHERE digest=?';
tx.executeSql(sql, [JSON.stringify(newAtt), data, digest], function () {
callback();
});
}
});
}
function metadataFetched(tx, results) {
for (var j = 0; j < results.rows.length; j++) {
var row = results.rows.item(j);
fetchedDocs[row.id] = JSON.parse(row.json);
}
processDocs();
}
preprocessAttachments(function () {
db.transaction(function (txn) {
tx = txn;
var sql = 'SELECT * FROM ' + DOC_STORE + ' WHERE id IN ' +
'(' + docInfos.map(function () {return '?'; }).join(',') + ')';
var queryArgs = docInfos.map(function (d) { return d.metadata.id; });
tx.executeSql(sql, queryArgs, metadataFetched);
}, unknownError(callback));
});
};
api._get = function (id, opts, callback) {
opts = utils.extend(true, {}, opts);
var doc;
var metadata;
var err;
if (!opts.ctx) {
db.transaction(function (txn) {
opts.ctx = txn;
api._get(id, opts, callback);
});
return;
}
var tx = opts.ctx;
function finish() {
callback(err, {doc: doc, metadata: metadata, ctx: tx});
}
var sql = 'SELECT * FROM ' + DOC_STORE + ' WHERE id=?';
tx.executeSql(sql, [id], function (a, results) {
if (!results.rows.length) {
err = errors.MISSING_DOC;
return finish();
}
metadata = JSON.parse(results.rows.item(0).json);
if (utils.isDeleted(metadata) && !opts.rev) {
err = errors.error(errors.MISSING_DOC, "deleted");
return finish();
}
var rev = merge.winningRev(metadata);
var key = opts.rev ? opts.rev : rev;
key = metadata.id + '::' + key;
var sql = 'SELECT * FROM ' + BY_SEQ_STORE + ' WHERE doc_id_rev=?';
tx.executeSql(sql, [key], function (tx, results) {
if (!results.rows.length) {
err = errors.MISSING_DOC;
return finish();
}
doc = JSON.parse(results.rows.item(0).json);
finish();
});
});
};
api._allDocs = function (opts, callback) {
var results = [];
var resultsMap = {};
var totalRows;
var from = BY_SEQ_STORE + ' JOIN ' + DOC_STORE + ' ON ' + BY_SEQ_STORE + '.seq = ' +
DOC_STORE + '.winningseq';
var start = 'startkey' in opts ? opts.startkey : false;
var end = 'endkey' in opts ? opts.endkey : false;
var key = 'key' in opts ? opts.key : false;
var descending = 'descending' in opts ? opts.descending : false;
var keys = 'keys' in opts ? opts.keys : false;
var limit = 'limit' in opts ? opts.limit : false;
var offset = 'skip' in opts ? opts.skip : false;
var sqlArgs = [];
var criteria = [DOC_STORE + '.local = 0'];
if (key !== false) {
criteria.push(DOC_STORE + '.id = ?');
sqlArgs.push(key);
} else if (keys !== false) {
criteria.push(DOC_STORE + '.id in (' + keys.map(function () {
return '?';
}).join(',') + ')');
sqlArgs = sqlArgs.concat(keys);
} else if (start !== false || end !== false) {
if (start !== false) {
criteria.push(DOC_STORE + '.id ' + (descending ? '<=' : '>=') + ' ?');
sqlArgs.push(start);
}
if (end !== false) {
criteria.push(DOC_STORE + '.id ' + (descending ? '>=' : '<=') + ' ?');
sqlArgs.push(end);
}
if (key !== false) {
criteria.push(DOC_STORE + '.id = ?');
sqlArgs.push(key);
}
}
if (keys === false) {
// report deleted if keys are specified
criteria.push(BY_SEQ_STORE + '.deleted = 0');
}
db.transaction(function (tx) {
// first count up the total rows
var sql = 'SELECT COUNT(' + DOC_STORE + '.id) AS \'num\' FROM ' +
from + ' WHERE ' + BY_SEQ_STORE + '.deleted = 0 AND ' +
// local docs are e.g. '_local_foo'
DOC_STORE + '.local = 0';
tx.executeSql(sql, [], function (tx, result) {
totalRows = result.rows.item(0).num;
if (limit === 0) {
return;
}
// then actually fetch the documents
var sql = 'SELECT ' + DOC_STORE + '.id, ' + BY_SEQ_STORE + '.seq, ' +
BY_SEQ_STORE + '.json AS data, ' + DOC_STORE + '.json AS metadata FROM ' + from;
if (criteria.length) {
sql += ' WHERE ' + criteria.join(' AND ');
}
sql += ' ORDER BY ' + DOC_STORE + '.id ' + (descending ? 'DESC' : 'ASC');
if (limit !== false) {
sql += ' LIMIT ' + limit;
}
if (offset !== false && offset > 0) {
if (limit === false) {
// sqlite requires limit with offset, -1 acts as infinity here
sql += ' LIMIT -1';
}
sql += ' OFFSET ' + offset;
}
tx.executeSql(sql, sqlArgs, function (tx, result) {
for (var i = 0, l = result.rows.length; i < l; i++) {
var doc = result.rows.item(i);
var metadata = JSON.parse(doc.metadata);
var data = JSON.parse(doc.data);
doc = {
id: metadata.id,
key: metadata.id,
value: {rev: merge.winningRev(metadata)}
};
if (opts.include_docs) {
doc.doc = data;
doc.doc._rev = merge.winningRev(metadata);
if (opts.conflicts) {
doc.doc._conflicts = merge.collectConflicts(metadata);
}
for (var att in doc.doc._attachments) {
if (doc.doc._attachments.hasOwnProperty(att)) {
doc.doc._attachments[att].stub = true;
}
}
}
if ('keys' in opts) {
if (opts.keys.indexOf(metadata.id) > -1) {
if (utils.isDeleted(metadata)) {
doc.value.deleted = true;
doc.doc = null;
}
resultsMap[doc.id] = doc;
}
} else {
results.push(doc);
}
}
});
});
}, unknownError(callback), function () {
if (limit !== 0 && 'keys' in opts) {
opts.keys.forEach(function (key) {
if (key in resultsMap) {
results.push(resultsMap[key]);
} else {
results.push({"key": key, "error": "not_found"});
}
});
if (opts.descending) {
results.reverse();
}
}
callback(null, {
total_rows: totalRows,
offset: opts.skip,
rows: results
});
});
};
api._changes = function idb_changes(opts) {
opts = utils.extend(true, {}, opts);
if (opts.continuous) {
var id = name + ':' + utils.uuid();
WebSqlPouch.Changes.addListener(name, id, api, opts);
WebSqlPouch.Changes.notify(name);
return {
cancel: function () {
WebSqlPouch.Changes.removeListener(name, id);
}
};
}
var descending = opts.descending;
// Ignore the `since` parameter when `descending` is true
opts.since = opts.since && !descending ? opts.since : 0;
var results = [];
function fetchChanges() {
var sql = 'SELECT ' + DOC_STORE + '.id, ' + BY_SEQ_STORE + '.seq, ' +
BY_SEQ_STORE + '.json AS data, ' + DOC_STORE + '.json AS metadata FROM ' +
BY_SEQ_STORE + ' JOIN ' + DOC_STORE + ' ON ' + BY_SEQ_STORE + '.seq = ' +
DOC_STORE + '.winningseq WHERE ' + DOC_STORE + '.seq > ' + opts.since +
' ORDER BY ' + DOC_STORE + '.seq ' + (descending ? 'DESC' : 'ASC');
db.transaction(function (tx) {
tx.executeSql(sql, [], function (tx, result) {
var last_seq = 0;
for (var i = 0, l = result.rows.length; i < l; i++) {
var res = result.rows.item(i);
var metadata = JSON.parse(res.metadata);
if (!utils.isLocalId(metadata.id)) {
if (last_seq < res.seq) {
last_seq = res.seq;
}
var doc = JSON.parse(res.data);
var change = opts.processChange(doc, metadata, opts);
change.seq = res.seq;
results.push(change);
}
}
utils.processChanges(opts, results, last_seq);
});
});
}
fetchChanges();
};
api._close = function (callback) {
//WebSQL databases do not need to be closed
callback();
};
api._getAttachment = function (attachment, opts, callback) {
var res;
var tx = opts.ctx;
var digest = attachment.digest;
var type = attachment.content_type;
var sql = 'SELECT hex(body) as body FROM ' + ATTACH_STORE + ' WHERE digest=?';
tx.executeSql(sql, [digest], function (tx, result) {
// TODO: sqlite normally stores data as utf8, so even the hex() function "encodes" the binary
// data in utf8 before returning it, and yet hex() is the only way to get the full data. so we do this.
var data = decodeUtf8(parseHexString(result.rows.item(0).body));
if (opts.encode) {
res = btoa(data);
} else {
data = utils.fixBinary(data);
res = utils.createBlob([data], {type: type});
}
callback(null, res);
});
};
api._getRevisionTree = function (docId, callback) {
db.transaction(function (tx) {
var sql = 'SELECT json AS metadata FROM ' + DOC_STORE + ' WHERE id = ?';
tx.executeSql(sql, [docId], function (tx, result) {
if (!result.rows.length) {
callback(errors.MISSING_DOC);
} else {
var data = JSON.parse(result.rows.item(0).metadata);
callback(null, data.rev_tree);
}
});
});
};
api._doCompaction = function (docId, rev_tree, revs, callback) {
db.transaction(function (tx) {
var sql = 'SELECT json AS metadata FROM ' + DOC_STORE + ' WHERE id = ?';
tx.executeSql(sql, [docId], function (tx, result) {
if (!result.rows.length) {
return utils.call(callback);
}
var metadata = JSON.parse(result.rows.item(0).metadata);
metadata.rev_tree = rev_tree;
var sql = 'DELETE FROM ' + BY_SEQ_STORE + ' WHERE doc_id_rev IN (' +
revs.map(function (rev) {return quote(docId + '::' + rev); }).join(',') + ')';
tx.executeSql(sql, [], function (tx, result) {
var sql = 'UPDATE ' + DOC_STORE + ' SET json = ? WHERE id = ?';
tx.executeSql(sql, [JSON.stringify(metadata), docId], function (tx, result) {
callback();
});
});
});
});
};
}
WebSqlPouch.valid = function () {
if (typeof global !== 'undefined') {
if (global.navigator && global.navigator.sqlitePlugin && global.navigator.sqlitePlugin.openDatabase) {
return true;
} else if (global.sqlitePlugin && global.sqlitePlugin.openDatabase) {
return true;
} else if (global.openDatabase) {
return true;
}
}
return false;
};
WebSqlPouch.destroy = utils.toPromise(function (name, opts, callback) {
var db = openDB(name, POUCH_VERSION, name, POUCH_SIZE);
db.transaction(function (tx) {
tx.executeSql('DROP TABLE IF EXISTS ' + DOC_STORE, []);
tx.executeSql('DROP TABLE IF EXISTS ' + BY_SEQ_STORE, []);
tx.executeSql('DROP TABLE IF EXISTS ' + ATTACH_STORE, []);
tx.executeSql('DROP TABLE IF EXISTS ' + META_STORE, []);
}, unknownError(callback), function () {
if (utils.hasLocalStorage()) {
delete global.localStorage['_pouch__websqldb_' + name];
}
callback();
});
});
WebSqlPouch.Changes = new utils.Changes();
module.exports = WebSqlPouch;
}).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"../deps/errors":8,"../merge":14,"../utils":18}],5:[function(_dereq_,module,exports){
(function (global){
/*globals cordova */
"use strict";
var Promise = typeof global.Promise === 'function' ?
global.Promise : _dereq_('bluebird');
var Adapter = _dereq_('./adapter');
var utils = _dereq_('./utils');
var TaskQueue = _dereq_('./taskqueue');
function defaultCallback(err) {
if (err && global.debug) {
console.error(err);
}
}
utils.inherits(PouchDB, Adapter);
function PouchDB(name, opts, callback) {
if (!(this instanceof PouchDB)) {
return new PouchDB(name, opts, callback);
}
var self = this;
if (typeof opts === 'function' || typeof opts === 'undefined') {
callback = opts;
opts = {};
}
if (typeof name === 'object') {
opts = name;
name = undefined;
}
if (typeof callback === 'undefined') {
callback = defaultCallback;
}
opts = opts || {};
var oldCB = callback;
self.auto_compaction = opts.auto_compaction;
self.prefix = PouchDB.prefix;
Adapter.call(self);
self.taskqueue = new TaskQueue();
var promise = new Promise(function (fulfill, reject) {
callback = function (err, resp) {
if (err) {
return reject(err);
}
delete resp.then;
fulfill(resp);
};
opts = utils.extend(true, {}, opts);
var originalName = opts.name || name;
var backend, error;
(function () {
try {
if (typeof originalName !== 'string') {
error = new Error('Missing/invalid DB name');
error.code = 400;
throw error;
}
backend = PouchDB.parseAdapter(originalName, opts);
opts.originalName = originalName;
opts.name = backend.name;
opts.adapter = opts.adapter || backend.adapter;
if (!PouchDB.adapters[opts.adapter]) {
error = new Error('Adapter is missing');
error.code = 404;
throw error;
}
if (!PouchDB.adapters[opts.adapter].valid()) {
error = new Error('Invalid Adapter');
error.code = 404;
throw error;
}
} catch (err) {
self.taskqueue.fail(err);
self.changes = utils.toPromise(function (opts) {
if (opts.complete) {
opts.complete(err);
}
});
}
}());
if (error) {
return reject(error); // constructor error, see above
}
self.adapter = opts.adapter;
// needs access to PouchDB;
self.replicate = function (src, target, opts) {
return utils.cancellableFun(function (api, _opts, promise) {
var replicate = PouchDB.replicate(src, target, opts);
promise.cancel = replicate.cancel;
}, self, opts);
};
self.replicate.from = function (url, opts, callback) {
if (typeof opts === 'function') {
callback = opts;
opts = {};
}
return PouchDB.replicate(url, self, opts, callback);
};
self.replicate.to = function (url, opts, callback) {
if (typeof opts === 'function') {
callback = opts;
opts = {};
}
return PouchDB.replicate(self, url, opts, callback);
};
self.replicate.sync = function (dbName, opts, callback) {
if (typeof opts === 'function') {
callback = opts;
opts = {};
}
return utils.cancellableFun(function (api, _opts, promise) {
var sync = PouchDB.sync(self, dbName, opts, callback);
promise.cancel = sync.cancel;
}, self, opts);
};
self.destroy = utils.adapterFun('destroy', function (callback) {
var self = this;
self.info(function (err, info) {
if (err) {
return callback(err);
}
PouchDB.destroy(info.db_name, callback);
});
});
PouchDB.adapters[opts.adapter].call(self, opts, function (err, db) {
if (err) {
if (callback) {
self.taskqueue.fail(err);
callback(err);
}
return;
}
function destructionListener(event) {
if (event === 'destroyed') {
self.emit('destroyed');
PouchDB.removeListener(opts.name, destructionListener);
}
}
PouchDB.on(opts.name, destructionListener);
self.emit('created', self);
PouchDB.emit('created', opts.originalName);
self.taskqueue.ready(self);
callback(null, self);
});
if (opts.skipSetup) {
self.taskqueue.ready(self);
}
if (utils.isCordova()) {
//to inform websql adapter that we can use api
cordova.fireWindowEvent(opts.name + "_pouch", {});
}
});
promise.then(function (resp) {
oldCB(null, resp);
}, oldCB);
self.then = promise.then.bind(promise);
//prevent deoptimizing
(function () {
try {
self['catch'] = promise['catch'].bind(promise);
} catch (e) {}
}());
}
module.exports = PouchDB;
}).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"./adapter":1,"./taskqueue":17,"./utils":18,"bluebird":28}],6:[function(_dereq_,module,exports){
(function (process){
"use strict";
var request = _dereq_('request');
var extend = _dereq_('./extend.js');
var createBlob = _dereq_('./blob.js');
var errors = _dereq_('./errors');
var uuid = _dereq_('../deps/uuid');
var utils = _dereq_("../utils");
function ajax(options, adapterCallback) {
var requestCompleted = false;
var callback = utils.getArguments(function (args) {
if (requestCompleted) {
return;
}
adapterCallback.apply(this, args);
requestCompleted = true;
});
if (typeof options === "function") {
callback = options;
options = {};
}
options = extend(true, {}, options);
var defaultOptions = {
method : "GET",
headers: {},
json: true,
processData: true,
timeout: 10000,
cache: false
};
options = extend(true, defaultOptions, options);
// cache-buster, specifically designed to work around IE's aggressive caching
// see http://www.dashbay.com/2011/05/internet-explorer-caches-ajax/
if (options.method === 'GET' && !options.cache) {
var hasArgs = options.url.indexOf('?') !== -1;
options.url += (hasArgs ? '&' : '?') + '_nonce=' + uuid(16);
}
function onSuccess(obj, resp, cb) {
if (!options.binary && !options.json && options.processData &&
typeof obj !== 'string') {
obj = JSON.stringify(obj);
} else if (!options.binary && options.json && typeof obj === 'string') {
try {
obj = JSON.parse(obj);
} catch (e) {
// Probably a malformed JSON from server
return cb(e);
}
}
if (Array.isArray(obj)) {
obj = obj.map(function (v) {
var obj;
if (v.ok) {
return v;
} else if (v.error && v.error === 'conflict') {
obj = errors.REV_CONFLICT;
obj.id = v.id;
return obj;
} else if (v.error && v.error === 'forbidden') {
obj = errors.FORBIDDEN;
obj.id = v.id;
obj.reason = v.reason;
return obj;
} else if (v.missing) {
obj = errors.MISSING_DOC;
obj.missing = v.missing;
return obj;
} else {
return v;
}
});
}
cb(null, obj, resp);
}
function onError(err, cb) {
var errParsed, errObj, errType, key;
try {
errParsed = JSON.parse(err.responseText);
//would prefer not to have a try/catch clause
for (key in errors) {
if (errors.hasOwnProperty(key) &&
errors[key].name === errParsed.error) {
errType = errors[key];
break;
}
}
if (!errType) {
errType = errors.UNKNOWN_ERROR;
if (err.status) {
errType.status = err.status;
}
if (err.statusText) {
err.name = err.statusText;
}
}
errObj = errors.error(errType, errParsed.reason);
} catch (e) {
for (var key in errors) {
if (errors.hasOwnProperty(key) && errors[key].status === err.status) {
errType = errors[key];
break;
}
}
if (!errType) {
errType = errors.UNKNOWN_ERROR;
if (err.status) {
errType.status = err.status;
}
if (err.statusText) {
err.name = err.statusText;
}
}
errObj = errors.error(errType);
}
cb(errObj);
}
if (process.browser) {
var timer;
var xhr;
if (options.xhr) {
xhr = new options.xhr();
} else {
xhr = new XMLHttpRequest();
}
xhr.open(options.method, options.url);
xhr.withCredentials = true;
if (options.json) {
options.headers.Accept = 'application/json';
options.headers['Content-Type'] = options.headers['Content-Type'] ||
'application/json';
if (options.body &&
options.processData &&
typeof options.body !== "string") {
options.body = JSON.stringify(options.body);
}
}
if (options.binary) {
xhr.responseType = 'arraybuffer';
}
var createCookie = function (name, value, days) {
var expires = "";
if (days) {
var date = new Date();
date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
expires = "; expires=" + date.toGMTString();
}
document.cookie = name + "=" + value + expires + "; path=/";
};
for (var key in options.headers) {
if (key === 'Cookie') {
var cookie = options.headers[key].split('=');
createCookie(cookie[0], cookie[1], 10);
} else {
xhr.setRequestHeader(key, options.headers[key]);
}
}
if (!("body" in options)) {
options.body = null;
}
var abortReq = function () {
if (requestCompleted) {
return;
}
xhr.abort();
onError(xhr, callback);
};
xhr.onreadystatechange = function () {
if (xhr.readyState !== 4 || requestCompleted) {
return;
}
clearTimeout(timer);
if (xhr.status >= 200 && xhr.status < 300) {
var data;
if (options.binary) {
data = createBlob([xhr.response || ''], {
type: xhr.getResponseHeader('Content-Type')
});
} else {
data = xhr.responseText;
}
onSuccess(data, xhr, callback);
} else {
onError(xhr, callback);
}
};
if (options.timeout > 0) {
timer = setTimeout(abortReq, options.timeout);
xhr.onprogress = function () {
clearTimeout(timer);
timer = setTimeout(abortReq, options.timeout);
};
if (xhr.upload) { // does not exist in ie9
xhr.upload.onprogress = xhr.onprogress;
}
}
xhr.send(options.body);
return {abort: abortReq};
} else {
if (options.json) {
if (!options.binary) {
options.headers.Accept = 'application/json';
}
options.headers['Content-Type'] = options.headers['Content-Type'] ||
'application/json';
}
if (options.binary) {
options.encoding = null;
options.json = false;
}
if (!options.processData) {
options.json = false;
}
return request(options, function (err, response, body) {
if (err) {
err.status = response ? response.statusCode : 400;
return onError(err, callback);
}
var error;
var content_type = response.headers['content-type'];
var data = (body || '');
// CouchDB doesn't always return the right content-type for JSON data, so
// we check for ^{ and }$ (ignoring leading/trailing whitespace)
if (!options.binary && (options.json || !options.processData) &&
typeof data !== 'object' &&
(/json/.test(content_type) ||
(/^[\s]*\{/.test(data) && /\}[\s]*$/.test(data)))) {
data = JSON.parse(data);
}
if (response.statusCode >= 200 && response.statusCode < 300) {
onSuccess(data, response, callback);
}
else {
if (options.binary) {
data = JSON.parse(data.toString());
}
if (data.reason === 'missing') {
error = errors.MISSING_DOC;
} else if (data.reason === 'no_db_file') {
error = errors.error(errors.DB_MISSING, data.reason);
} else if (data.error === 'conflict') {
error = errors.REV_CONFLICT;
} else {
error = errors.error(errors.UNKNOWN_ERROR, data.reason, data.error);
}
error.status = response.statusCode;
callback(error);
}
});
}
}
module.exports = ajax;
}).call(this,_dereq_("/Users/tom/Projects/src/node/pouchdb/node_modules/browserify/node_modules/insert-module-globals/node_modules/process/browser.js"))
},{"../deps/uuid":12,"../utils":18,"./blob.js":7,"./errors":8,"./extend.js":10,"/Users/tom/Projects/src/node/pouchdb/node_modules/browserify/node_modules/insert-module-globals/node_modules/process/browser.js":23,"request":21}],7:[function(_dereq_,module,exports){
(function (global){
"use strict";
//Abstracts constructing a Blob object, so it also works in older
//browsers that don't support the native Blob constructor. (i.e.
//old QtWebKit versions, at least).
function createBlob(parts, properties) {
parts = parts || [];
properties = properties || {};
try {
return new Blob(parts, properties);
} catch (e) {
if (e.name !== "TypeError") {
throw e;
}
var BlobBuilder = global.BlobBuilder || global.MSBlobBuilder || global.MozBlobBuilder || global.WebKitBlobBuilder;
var builder = new BlobBuilder();
for (var i = 0; i < parts.length; i += 1) {
builder.append(parts[i]);
}
return builder.getBlob(properties.type);
}
}
module.exports = createBlob;
}).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{}],8:[function(_dereq_,module,exports){
"use strict";
function PouchError(opts) {
this.status = opts.status;
this.name = opts.error;
this.message = opts.reason;
this.error = true;
}
PouchError.prototype__proto__ = Error.prototype;
PouchError.prototype.toString = function () {
return JSON.stringify({
status: this.status,
name: this.name,
message: this.message
});
};
exports.UNAUTHORIZED = new PouchError({
status: 401,
error: 'unauthorized',
reason: "Name or password is incorrect."
});
exports.MISSING_BULK_DOCS = new PouchError({
status: 400,
error: 'bad_request',
reason: "Missing JSON list of 'docs'"
});
exports.MISSING_DOC = new PouchError({
status: 404,
error: 'not_found',
reason: 'missing'
});
exports.REV_CONFLICT = new PouchError({
status: 409,
error: 'conflict',
reason: 'Document update conflict'
});
exports.INVALID_ID = new PouchError({
status: 400,
error: 'invalid_id',
reason: '_id field must contain a string'
});
exports.MISSING_ID = new PouchError({
status: 412,
error: 'missing_id',
reason: '_id is required for puts'
});
exports.RESERVED_ID = new PouchError({
status: 400,
error: 'bad_request',
reason: 'Only reserved document ids may start with underscore.'
});
exports.NOT_OPEN = new PouchError({
status: 412,
error: 'precondition_failed',
reason: 'Database not open so cannot close'
});
exports.UNKNOWN_ERROR = new PouchError({
status: 500,
error: 'unknown_error',
reason: 'Database encountered an unknown error'
});
exports.BAD_ARG = new PouchError({
status: 500,
error: 'badarg',
reason: 'Some query argument is invalid'
});
exports.INVALID_REQUEST = new PouchError({
status: 400,
error: 'invalid_request',
reason: 'Request was invalid'
});
exports.QUERY_PARSE_ERROR = new PouchError({
status: 400,
error: 'query_parse_error',
reason: 'Some query parameter is invalid'
});
exports.DOC_VALIDATION = new PouchError({
status: 500,
error: 'doc_validation',
reason: 'Bad special document member'
});
exports.BAD_REQUEST = new PouchError({
status: 400,
error: 'bad_request',
reason: 'Something wrong with the request'
});
exports.NOT_AN_OBJECT = new PouchError({
status: 400,
error: 'bad_request',
reason: 'Document must be a JSON object'
});
exports.DB_MISSING = new PouchError({
status: 404,
error: 'not_found',
reason: 'Database not found'
});
exports.IDB_ERROR = new PouchError({
status: 500,
error: 'indexed_db_went_bad',
reason: 'unknown'
});
exports.WSQ_ERROR = new PouchError({
status: 500,
error: 'web_sql_went_bad',
reason: 'unknown'
});
exports.LDB_ERROR = new PouchError({
status: 500,
error: 'levelDB_went_went_bad',
reason: 'unknown'
});
exports.FORBIDDEN = new PouchError({
status: 403,
error: 'forbidden',
reason: 'Forbidden by design doc validate_doc_update function'
});
exports.error = function (error, reason, name) {
function CustomPouchError(msg) {
this.message = reason;
if (name) {
this.name = name;
}
}
CustomPouchError.prototype = error;
return new CustomPouchError(reason);
};
},{}],9:[function(_dereq_,module,exports){
// some small shims for es5 just for the features we commonly use
// some of this is copied from https://github.com/kriskowal/es5-shim/blob/master/es5-shim.js
'use strict';
if (!Object.keys) {
Object.keys = function keys(object) {
if ((typeof object !== 'object' && typeof object !== 'function') || object === null) {
throw new TypeError('Object.keys called on a non-object');
}
var mykeys = [];
for (var name in object) {
if (Object.prototype.hasOwnProperty.call(object, name)) {
mykeys.push(name);
}
}
return mykeys;
};
}
if (!Array.isArray) {
Array.isArray = function isArray(obj) {
return Object.prototype.toString.call(obj) === '[object Array]';
};
}
if (!('forEach' in Array.prototype)) {
Array.prototype.forEach = function (action, that /*opt*/) {
for (var i = 0, n = this.length; i < n; i++) {
if (i in this) {
action.call(that, this[i], i, this);
}
}
};
}
if (!('map' in Array.prototype)) {
Array.prototype.map = function (mapper, that /*opt*/) {
var other = new Array(this.length);
for (var i = 0, n = this.length; i < n; i++) {
if (i in this) {
other[i] = mapper.call(that, this[i], i, this);
}
}
return other;
};
}
},{}],10:[function(_dereq_,module,exports){
"use strict";
// Extends method
// (taken from http://code.jquery.com/jquery-1.9.0.js)
// Populate the class2type map
var class2type = {};
var types = ["Boolean", "Number", "String", "Function", "Array", "Date", "RegExp", "Object", "Error"];
for (var i = 0; i < types.length; i++) {
var typename = types[i];
class2type["[object " + typename + "]"] = typename.toLowerCase();
}
var core_toString = class2type.toString;
var core_hasOwn = class2type.hasOwnProperty;
function type(obj) {
if (obj === null) {
return String(obj);
}
return typeof obj === "object" || typeof obj === "function" ?
class2type[core_toString.call(obj)] || "object" :
typeof obj;
}
function isWindow(obj) {
return obj !== null && obj === obj.window;
}
function isPlainObject(obj) {
// Must be an Object.
// Because of IE, we also have to check the presence of the constructor property.
// Make sure that DOM nodes and window objects don't pass through, as well
if (!obj || type(obj) !== "object" || obj.nodeType || isWindow(obj)) {
return false;
}
try {
// Not own constructor property must be Object
if (obj.constructor &&
!core_hasOwn.call(obj, "constructor") &&
!core_hasOwn.call(obj.constructor.prototype, "isPrototypeOf")) {
return false;
}
} catch ( e ) {
// IE8,9 Will throw exceptions on certain host objects #9897
return false;
}
// Own properties are enumerated firstly, so to speed up,
// if last one is own, then all properties are own.
var key;
for (key in obj) {}
return key === undefined || core_hasOwn.call(obj, key);
}
function isFunction(obj) {
return type(obj) === "function";
}
var isArray = Array.isArray || function (obj) {
return type(obj) === "array";
};
function extend() {
var options, name, src, copy, copyIsArray, clone,
target = arguments[0] || {},
i = 1,
length = arguments.length,
deep = false;
// Handle a deep copy situation
if (typeof target === "boolean") {
deep = target;
target = arguments[1] || {};
// skip the boolean and the target
i = 2;
}
// Handle case when target is a string or something (possible in deep copy)
if (typeof target !== "object" && !isFunction(target)) {
target = {};
}
// extend jQuery itself if only one argument is passed
if (length === i) {
/* jshint validthis: true */
target = this;
--i;
}
for (; i < length; i++) {
// Only deal with non-null/undefined values
if ((options = arguments[i]) != null) {
// Extend the base object
for (name in options) {
//if (options.hasOwnProperty(name)) {
if (!(name in Object.prototype)) {
src = target[name];
copy = options[name];
// Prevent never-ending loop
if (target === copy) {
continue;
}
// Recurse if we're merging plain objects or arrays
if (deep && copy && (isPlainObject(copy) || (copyIsArray = isArray(copy)))) {
if (copyIsArray) {
copyIsArray = false;
clone = src && isArray(src) ? src : [];
} else {
clone = src && isPlainObject(src) ? src : {};
}
// Never move original objects, clone them
target[name] = extend(deep, clone, copy);
// Don't bring in undefined values
} else if (copy !== undefined) {
if (!(isArray(options) && isFunction(copy))) {
target[name] = copy;
}
}
}
}
}
}
// Return the modified object
return target;
}
module.exports = extend;
},{}],11:[function(_dereq_,module,exports){
(function (process){
"use strict";
/**
*
* MD5 (Message-Digest Algorithm)
*
* For original source see http://www.webtoolkit.info/
* Download: 15.02.2009 from http://www.webtoolkit.info/javascript-md5.html
*
* Licensed under CC-BY 2.0 License
* (http://creativecommons.org/licenses/by/2.0/uk/)
*
**/
var crypto = _dereq_('crypto');
exports.MD5 = function (string) {
if (!process.browser) {
return crypto.createHash('md5').update(string).digest('hex');
}
function rotateLeft(lValue, iShiftBits) {
return (lValue<<iShiftBits) | (lValue>>>(32 - iShiftBits));
}
function addUnsigned(lX, lY) {
var lX4, lY4, lX8, lY8, lResult;
lX8 = (lX & 0x80000000);
lY8 = (lY & 0x80000000);
lX4 = (lX & 0x40000000);
lY4 = (lY & 0x40000000);
lResult = (lX & 0x3FFFFFFF) + (lY & 0x3FFFFFFF);
if (lX4 & lY4) {
return (lResult ^ 0x80000000 ^ lX8 ^ lY8);
}
if (lX4 | lY4) {
if (lResult & 0x40000000) {
return (lResult ^ 0xC0000000 ^ lX8 ^ lY8);
} else {
return (lResult ^ 0x40000000 ^ lX8 ^ lY8);
}
} else {
return (lResult ^ lX8 ^ lY8);
}
}
function f(x, y, z) { return (x & y) | ((~x) & z); }
function g(x, y, z) { return (x & z) | (y & (~z)); }
function h(x, y, z) { return (x ^ y ^ z); }
function i(x, y, z) { return (y ^ (x | (~z))); }
function ff(a, b, c, d, x, s, ac) {
a = addUnsigned(a, addUnsigned(addUnsigned(f(b, c, d), x), ac));
return addUnsigned(rotateLeft(a, s), b);
}
function gg(a, b, c, d, x, s, ac) {
a = addUnsigned(a, addUnsigned(addUnsigned(g(b, c, d), x), ac));
return addUnsigned(rotateLeft(a, s), b);
}
function hh(a, b, c, d, x, s, ac) {
a = addUnsigned(a, addUnsigned(addUnsigned(h(b, c, d), x), ac));
return addUnsigned(rotateLeft(a, s), b);
}
function ii(a, b, c, d, x, s, ac) {
a = addUnsigned(a, addUnsigned(addUnsigned(i(b, c, d), x), ac));
return addUnsigned(rotateLeft(a, s), b);
}
function convertToWordArray(string) {
var lWordCount;
var lMessageLength = string.length;
var lNumberOfWords_temp1 = lMessageLength + 8;
var lNumberOfWords_temp2 = (lNumberOfWords_temp1 - (lNumberOfWords_temp1 % 64)) / 64;
var lNumberOfWords = (lNumberOfWords_temp2 + 1) * 16;
var lWordArray = new Array(lNumberOfWords - 1);
var lBytePosition = 0;
var lByteCount = 0;
while (lByteCount < lMessageLength) {
lWordCount = (lByteCount - (lByteCount % 4)) / 4;
lBytePosition = (lByteCount % 4) * 8;
lWordArray[lWordCount] = (lWordArray[lWordCount] | (string.charCodeAt(lByteCount)<<lBytePosition));
lByteCount++;
}
lWordCount = (lByteCount - (lByteCount % 4)) / 4;
lBytePosition = (lByteCount % 4) * 8;
lWordArray[lWordCount] = lWordArray[lWordCount] | (0x80<<lBytePosition);
lWordArray[lNumberOfWords - 2] = lMessageLength<<3;
lWordArray[lNumberOfWords - 1] = lMessageLength>>>29;
return lWordArray;
}
function wordToHex(lValue) {
var wordToHexValue = "", wordToHexValue_temp = "", lByte, lCount;
for (lCount = 0;lCount <= 3;lCount++) {
lByte = (lValue>>>(lCount * 8)) & 255;
wordToHexValue_temp = "0" + lByte.toString(16);
wordToHexValue = wordToHexValue + wordToHexValue_temp.substr(wordToHexValue_temp.length - 2, 2);
}
return wordToHexValue;
}
//** function Utf8Encode(string) removed. Aready defined in pidcrypt_utils.js
var x = [];
var k, AA, BB, CC, DD, a, b, c, d;
var S11 = 7, S12 = 12, S13 = 17, S14 = 22;
var S21 = 5, S22 = 9, S23 = 14, S24 = 20;
var S31 = 4, S32 = 11, S33 = 16, S34 = 23;
var S41 = 6, S42 = 10, S43 = 15, S44 = 21;
// string = Utf8Encode(string); #function call removed
x = convertToWordArray(string);
a = 0x67452301;
b = 0xEFCDAB89;
c = 0x98BADCFE;
d = 0x10325476;
for (k = 0;k < x.length;k += 16) {
AA = a;
BB = b;
CC = c;
DD = d;
a = ff(a, b, c, d, x[k + 0], S11, 0xD76AA478);
d = ff(d, a, b, c, x[k + 1], S12, 0xE8C7B756);
c = ff(c, d, a, b, x[k + 2], S13, 0x242070DB);
b = ff(b, c, d, a, x[k + 3], S14, 0xC1BDCEEE);
a = ff(a, b, c, d, x[k + 4], S11, 0xF57C0FAF);
d = ff(d, a, b, c, x[k + 5], S12, 0x4787C62A);
c = ff(c, d, a, b, x[k + 6], S13, 0xA8304613);
b = ff(b, c, d, a, x[k + 7], S14, 0xFD469501);
a = ff(a, b, c, d, x[k + 8], S11, 0x698098D8);
d = ff(d, a, b, c, x[k + 9], S12, 0x8B44F7AF);
c = ff(c, d, a, b, x[k + 10], S13, 0xFFFF5BB1);
b = ff(b, c, d, a, x[k + 11], S14, 0x895CD7BE);
a = ff(a, b, c, d, x[k + 12], S11, 0x6B901122);
d = ff(d, a, b, c, x[k + 13], S12, 0xFD987193);
c = ff(c, d, a, b, x[k + 14], S13, 0xA679438E);
b = ff(b, c, d, a, x[k + 15], S14, 0x49B40821);
a = gg(a, b, c, d, x[k + 1], S21, 0xF61E2562);
d = gg(d, a, b, c, x[k + 6], S22, 0xC040B340);
c = gg(c, d, a, b, x[k + 11], S23, 0x265E5A51);
b = gg(b, c, d, a, x[k + 0], S24, 0xE9B6C7AA);
a = gg(a, b, c, d, x[k + 5], S21, 0xD62F105D);
d = gg(d, a, b, c, x[k + 10], S22, 0x2441453);
c = gg(c, d, a, b, x[k + 15], S23, 0xD8A1E681);
b = gg(b, c, d, a, x[k + 4], S24, 0xE7D3FBC8);
a = gg(a, b, c, d, x[k + 9], S21, 0x21E1CDE6);
d = gg(d, a, b, c, x[k + 14], S22, 0xC33707D6);
c = gg(c, d, a, b, x[k + 3], S23, 0xF4D50D87);
b = gg(b, c, d, a, x[k + 8], S24, 0x455A14ED);
a = gg(a, b, c, d, x[k + 13], S21, 0xA9E3E905);
d = gg(d, a, b, c, x[k + 2], S22, 0xFCEFA3F8);
c = gg(c, d, a, b, x[k + 7], S23, 0x676F02D9);
b = gg(b, c, d, a, x[k + 12], S24, 0x8D2A4C8A);
a = hh(a, b, c, d, x[k + 5], S31, 0xFFFA3942);
d = hh(d, a, b, c, x[k + 8], S32, 0x8771F681);
c = hh(c, d, a, b, x[k + 11], S33, 0x6D9D6122);
b = hh(b, c, d, a, x[k + 14], S34, 0xFDE5380C);
a = hh(a, b, c, d, x[k + 1], S31, 0xA4BEEA44);
d = hh(d, a, b, c, x[k + 4], S32, 0x4BDECFA9);
c = hh(c, d, a, b, x[k + 7], S33, 0xF6BB4B60);
b = hh(b, c, d, a, x[k + 10], S34, 0xBEBFBC70);
a = hh(a, b, c, d, x[k + 13], S31, 0x289B7EC6);
d = hh(d, a, b, c, x[k + 0], S32, 0xEAA127FA);
c = hh(c, d, a, b, x[k + 3], S33, 0xD4EF3085);
b = hh(b, c, d, a, x[k + 6], S34, 0x4881D05);
a = hh(a, b, c, d, x[k + 9], S31, 0xD9D4D039);
d = hh(d, a, b, c, x[k + 12], S32, 0xE6DB99E5);
c = hh(c, d, a, b, x[k + 15], S33, 0x1FA27CF8);
b = hh(b, c, d, a, x[k + 2], S34, 0xC4AC5665);
a = ii(a, b, c, d, x[k + 0], S41, 0xF4292244);
d = ii(d, a, b, c, x[k + 7], S42, 0x432AFF97);
c = ii(c, d, a, b, x[k + 14], S43, 0xAB9423A7);
b = ii(b, c, d, a, x[k + 5], S44, 0xFC93A039);
a = ii(a, b, c, d, x[k + 12], S41, 0x655B59C3);
d = ii(d, a, b, c, x[k + 3], S42, 0x8F0CCC92);
c = ii(c, d, a, b, x[k + 10], S43, 0xFFEFF47D);
b = ii(b, c, d, a, x[k + 1], S44, 0x85845DD1);
a = ii(a, b, c, d, x[k + 8], S41, 0x6FA87E4F);
d = ii(d, a, b, c, x[k + 15], S42, 0xFE2CE6E0);
c = ii(c, d, a, b, x[k + 6], S43, 0xA3014314);
b = ii(b, c, d, a, x[k + 13], S44, 0x4E0811A1);
a = ii(a, b, c, d, x[k + 4], S41, 0xF7537E82);
d = ii(d, a, b, c, x[k + 11], S42, 0xBD3AF235);
c = ii(c, d, a, b, x[k + 2], S43, 0x2AD7D2BB);
b = ii(b, c, d, a, x[k + 9], S44, 0xEB86D391);
a = addUnsigned(a, AA);
b = addUnsigned(b, BB);
c = addUnsigned(c, CC);
d = addUnsigned(d, DD);
}
var temp = wordToHex(a) + wordToHex(b) + wordToHex(c) + wordToHex(d);
return temp.toLowerCase();
};
}).call(this,_dereq_("/Users/tom/Projects/src/node/pouchdb/node_modules/browserify/node_modules/insert-module-globals/node_modules/process/browser.js"))
},{"/Users/tom/Projects/src/node/pouchdb/node_modules/browserify/node_modules/insert-module-globals/node_modules/process/browser.js":23,"crypto":20}],12:[function(_dereq_,module,exports){
"use strict";
// BEGIN Math.uuid.js
/*!
Math.uuid.js (v1.4)
http://www.broofa.com
mailto:robert@broofa.com
Copyright (c) 2010 Robert Kieffer
Dual licensed under the MIT and GPL licenses.
*/
/*
* Generate a random uuid.
*
* USAGE: Math.uuid(length, radix)
* length - the desired number of characters
* radix - the number of allowable values for each character.
*
* EXAMPLES:
* // No arguments - returns RFC4122, version 4 ID
* >>> Math.uuid()
* "92329D39-6F5C-4520-ABFC-AAB64544E172"
*
* // One argument - returns ID of the specified length
* >>> Math.uuid(15) // 15 character ID (default base=62)
* "VcydxgltxrVZSTV"
*
* // Two arguments - returns ID of the specified length, and radix. (Radix must be <= 62)
* >>> Math.uuid(8, 2) // 8 character ID (base=2)
* "01001010"
* >>> Math.uuid(8, 10) // 8 character ID (base=10)
* "47473046"
* >>> Math.uuid(8, 16) // 8 character ID (base=16)
* "098F4D35"
*/
function uuid(len, radix) {
var chars = uuid.CHARS;
var uuidInner = [];
var i;
radix = radix || chars.length;
if (len) {
// Compact form
for (i = 0; i < len; i++) {
uuidInner[i] = chars[0 | Math.random() * radix];
}
} else {
// rfc4122, version 4 form
var r;
// rfc4122 requires these characters
uuidInner[8] = uuidInner[13] = uuidInner[18] = uuidInner[23] = '-';
uuidInner[14] = '4';
// Fill in random data. At i==19 set the high bits of clock sequence as
// per rfc4122, sec. 4.1.5
for (i = 0; i < 36; i++) {
if (!uuidInner[i]) {
r = 0 | Math.random() * 16;
uuidInner[i] = chars[(i === 19) ? (r & 0x3) | 0x8 : r];
}
}
}
return uuidInner.join('');
}
uuid.CHARS = (
'0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ' +
'abcdefghijklmnopqrstuvwxyz'
).split('');
module.exports = uuid;
},{}],13:[function(_dereq_,module,exports){
(function (process){
"use strict";
_dereq_('./deps/es5_shims');
var PouchDB = _dereq_('./setup');
module.exports = PouchDB;
PouchDB.ajax = _dereq_('./deps/ajax');
PouchDB.extend = _dereq_('./deps/extend');
PouchDB.utils = _dereq_('./utils');
PouchDB.Errors = _dereq_('./deps/errors');
var replicate = _dereq_('./replicate');
PouchDB.replicate = replicate.replicate;
PouchDB.sync = replicate.sync;
PouchDB.version = _dereq_('./version');
var httpAdapter = _dereq_('./adapters/http');
PouchDB.adapter('http', httpAdapter);
PouchDB.adapter('https', httpAdapter);
PouchDB.adapter('idb', _dereq_('./adapters/idb'));
PouchDB.adapter('websql', _dereq_('./adapters/websql'));
PouchDB.plugin(_dereq_('pouchdb-mapreduce'));
if (!process.browser) {
var ldbAdapter = _dereq_('./adapters/leveldb');
PouchDB.adapter('ldb', ldbAdapter);
PouchDB.adapter('leveldb', ldbAdapter);
}
}).call(this,_dereq_("/Users/tom/Projects/src/node/pouchdb/node_modules/browserify/node_modules/insert-module-globals/node_modules/process/browser.js"))
},{"./adapters/http":2,"./adapters/idb":3,"./adapters/websql":4,"./deps/ajax":6,"./deps/errors":8,"./deps/es5_shims":9,"./deps/extend":10,"./replicate":15,"./setup":16,"./utils":18,"./version":19,"/Users/tom/Projects/src/node/pouchdb/node_modules/browserify/node_modules/insert-module-globals/node_modules/process/browser.js":23,"pouchdb-mapreduce":43}],14:[function(_dereq_,module,exports){
'use strict';
var extend = _dereq_('./deps/extend');
// for a better overview of what this is doing, read:
// https://github.com/apache/couchdb/blob/master/src/couchdb/couch_key_tree.erl
//
// But for a quick intro, CouchDB uses a revision tree to store a documents
// history, A -> B -> C, when a document has conflicts, that is a branch in the
// tree, A -> (B1 | B2 -> C), We store these as a nested array in the format
//
// KeyTree = [Path ... ]
// Path = {pos: position_from_root, ids: Tree}
// Tree = [Key, Opts, [Tree, ...]], in particular single node: [Key, []]
// Turn a path as a flat array into a tree with a single branch
function pathToTree(path) {
var doc = path.shift();
var root = [doc.id, doc.opts, []];
var leaf = root;
var nleaf;
while (path.length) {
doc = path.shift();
nleaf = [doc.id, doc.opts, []];
leaf[2].push(nleaf);
leaf = nleaf;
}
return root;
}
// Merge two trees together
// The roots of tree1 and tree2 must be the same revision
function mergeTree(in_tree1, in_tree2) {
var queue = [{tree1: in_tree1, tree2: in_tree2}];
var conflicts = false;
while (queue.length > 0) {
var item = queue.pop();
var tree1 = item.tree1;
var tree2 = item.tree2;
if (tree1[1].status || tree2[1].status) {
tree1[1].status = (tree1[1].status === 'available' ||
tree2[1].status === 'available') ? 'available' : 'missing';
}
for (var i = 0; i < tree2[2].length; i++) {
if (!tree1[2][0]) {
conflicts = 'new_leaf';
tree1[2][0] = tree2[2][i];
continue;
}
var merged = false;
for (var j = 0; j < tree1[2].length; j++) {
if (tree1[2][j][0] === tree2[2][i][0]) {
queue.push({tree1: tree1[2][j], tree2: tree2[2][i]});
merged = true;
}
}
if (!merged) {
conflicts = 'new_branch';
tree1[2].push(tree2[2][i]);
tree1[2].sort();
}
}
}
return {conflicts: conflicts, tree: in_tree1};
}
function doMerge(tree, path, dontExpand) {
var restree = [];
var conflicts = false;
var merged = false;
var res;
if (!tree.length) {
return {tree: [path], conflicts: 'new_leaf'};
}
tree.forEach(function (branch) {
if (branch.pos === path.pos && branch.ids[0] === path.ids[0]) {
// Paths start at the same position and have the same root, so they need
// merged
res = mergeTree(branch.ids, path.ids);
restree.push({pos: branch.pos, ids: res.tree});
conflicts = conflicts || res.conflicts;
merged = true;
} else if (dontExpand !== true) {
// The paths start at a different position, take the earliest path and
// traverse up until it as at the same point from root as the path we want to
// merge. If the keys match we return the longer path with the other merged
// After stemming we dont want to expand the trees
var t1 = branch.pos < path.pos ? branch : path;
var t2 = branch.pos < path.pos ? path : branch;
var diff = t2.pos - t1.pos;
var candidateParents = [];
var trees = [];
trees.push({ids: t1.ids, diff: diff, parent: null, parentIdx: null});
while (trees.length > 0) {
var item = trees.pop();
if (item.diff === 0) {
if (item.ids[0] === t2.ids[0]) {
candidateParents.push(item);
}
continue;
}
if (!item.ids) {
continue;
}
/*jshint loopfunc:true */
item.ids[2].forEach(function (el, idx) {
trees.push({ids: el, diff: item.diff - 1, parent: item.ids, parentIdx: idx});
});
}
var el = candidateParents[0];
if (!el) {
restree.push(branch);
} else {
res = mergeTree(el.ids, t2.ids);
el.parent[2][el.parentIdx] = res.tree;
restree.push({pos: t1.pos, ids: t1.ids});
conflicts = conflicts || res.conflicts;
merged = true;
}
} else {
restree.push(branch);
}
});
// We didnt find
if (!merged) {
restree.push(path);
}
restree.sort(function (a, b) {
return a.pos - b.pos;
});
return {
tree: restree,
conflicts: conflicts || 'internal_node'
};
}
// To ensure we dont grow the revision tree infinitely, we stem old revisions
function stem(tree, depth) {
// First we break out the tree into a complete list of root to leaf paths,
// we cut off the start of the path and generate a new set of flat trees
var stemmedPaths = PouchMerge.rootToLeaf(tree).map(function (path) {
var stemmed = path.ids.slice(-depth);
return {
pos: path.pos + (path.ids.length - stemmed.length),
ids: pathToTree(stemmed)
};
});
// Then we remerge all those flat trees together, ensuring that we dont
// connect trees that would go beyond the depth limit
return stemmedPaths.reduce(function (prev, current, i, arr) {
return doMerge(prev, current, true).tree;
}, [stemmedPaths.shift()]);
}
var PouchMerge = {};
PouchMerge.merge = function (tree, path, depth) {
// Ugh, nicer way to not modify arguments in place?
tree = extend(true, [], tree);
path = extend(true, {}, path);
var newTree = doMerge(tree, path);
return {
tree: stem(newTree.tree, depth),
conflicts: newTree.conflicts
};
};
// We fetch all leafs of the revision tree, and sort them based on tree length
// and whether they were deleted, undeleted documents with the longest revision
// tree (most edits) win
// The final sort algorithm is slightly documented in a sidebar here:
// http://guide.couchdb.org/draft/conflicts.html
PouchMerge.winningRev = function (metadata) {
var leafs = [];
PouchMerge.traverseRevTree(metadata.rev_tree,
function (isLeaf, pos, id, something, opts) {
if (isLeaf) {
leafs.push({pos: pos, id: id, deleted: !!opts.deleted});
}
});
leafs.sort(function (a, b) {
if (a.deleted !== b.deleted) {
return a.deleted > b.deleted ? 1 : -1;
}
if (a.pos !== b.pos) {
return b.pos - a.pos;
}
return a.id < b.id ? 1 : -1;
});
return leafs[0].pos + '-' + leafs[0].id;
};
// Pretty much all below can be combined into a higher order function to
// traverse revisions
// The return value from the callback will be passed as context to all
// children of that node
PouchMerge.traverseRevTree = function (revs, callback) {
var toVisit = [];
revs.forEach(function (tree) {
toVisit.push({pos: tree.pos, ids: tree.ids});
});
while (toVisit.length > 0) {
var node = toVisit.pop();
var pos = node.pos;
var tree = node.ids;
var newCtx = callback(tree[2].length === 0, pos, tree[0], node.ctx, tree[1]);
/*jshint loopfunc: true */
tree[2].forEach(function (branch) {
toVisit.push({pos: pos + 1, ids: branch, ctx: newCtx});
});
}
};
PouchMerge.collectLeaves = function (revs) {
var leaves = [];
PouchMerge.traverseRevTree(revs, function (isLeaf, pos, id, acc, opts) {
if (isLeaf) {
leaves.unshift({rev: pos + "-" + id, pos: pos, opts: opts});
}
});
leaves.sort(function (a, b) {
return b.pos - a.pos;
});
leaves.map(function (leaf) { delete leaf.pos; });
return leaves;
};
// returns revs of all conflicts that is leaves such that
// 1. are not deleted and
// 2. are different than winning revision
PouchMerge.collectConflicts = function (metadata) {
var win = PouchMerge.winningRev(metadata);
var leaves = PouchMerge.collectLeaves(metadata.rev_tree);
var conflicts = [];
leaves.forEach(function (leaf) {
if (leaf.rev !== win && !leaf.opts.deleted) {
conflicts.push(leaf.rev);
}
});
return conflicts;
};
PouchMerge.rootToLeaf = function (tree) {
var paths = [];
PouchMerge.traverseRevTree(tree, function (isLeaf, pos, id, history, opts) {
history = history ? history.slice(0) : [];
history.push({id: id, opts: opts});
if (isLeaf) {
var rootPos = pos + 1 - history.length;
paths.unshift({pos: rootPos, ids: history});
}
return history;
});
return paths;
};
module.exports = PouchMerge;
},{"./deps/extend":10}],15:[function(_dereq_,module,exports){
'use strict';
var PouchUtils = _dereq_('./utils');
var Pouch = _dereq_('./index');
// We create a basic promise so the caller can cancel the replication possibly
// before we have actually started listening to changes etc
function Promise() {
var that = this;
this.cancelled = false;
this.cancel = function () {
that.cancelled = true;
};
}
// A batch of changes to be processed as a unit
function Batch() {
this.seq = 0;
this.state = 'start';
this.changes = [];
this.docs = [];
}
// TODO: check CouchDB's replication id generation
// Generate a unique id particular to this replication
function genReplicationId(src, target, opts, callback) {
var filterFun = opts.filter ? opts.filter.toString() : '';
src.id(function (err, src_id) {
target.id(function (err, target_id) {
var queryData = src_id + target_id + filterFun +
JSON.stringify(opts.query_params) + opts.doc_ids;
callback('_local/' + PouchUtils.Crypto.MD5(queryData));
});
});
}
// A checkpoint lets us restart replications from when they were last cancelled
function fetchCheckpoint(src, target, id, callback) {
target.get(id, function (err, targetDoc) {
if (err && err.status === 404) {
callback(null, 0);
} else if (err) {
callback(err);
} else {
src.get(id, function (err, sourceDoc) {
if (err && err.status === 404 ||
(!err && (targetDoc.last_seq !== sourceDoc.last_seq))) {
callback(null, 0);
} else if (err) {
callback(err);
} else {
callback(null, sourceDoc.last_seq);
}
});
}
});
}
function writeCheckpoint(src, target, id, checkpoint, callback) {
function updateCheckpoint(db, callback) {
db.get(id, function (err, doc) {
if (err && err.status === 404) {
doc = {_id: id};
} else if (err) {
return callback(err);
}
doc.last_seq = checkpoint;
db.put(doc, callback);
});
}
updateCheckpoint(target, function (err, doc) {
if (err) { return callback(err); }
updateCheckpoint(src, function (err, doc) {
if (err) { return callback(err); }
callback();
});
});
}
function replicate(repId, src, target, opts, promise) {
var batches = []; // queue of batches of changes to be processed
var pendingBatch = new Batch();
var writingCheckpoint = false;
var changesCompleted = false;
var completeCalled = false;
var last_seq = 0;
var continuous = opts.continuous || opts.live || false;
var batch_size = opts.batch_size || 1;
var doc_ids = opts.doc_ids;
var result = {
ok: true,
start_time: new Date(),
docs_read: 0,
docs_written: 0,
doc_write_failures: 0,
errors: []
};
function writeDocs() {
if (batches[0].docs.length === 0) {
// This should never happen:
// batch processing continues past onRevsDiff only if there are diffs
// and replication is aborted if a get fails.
// TODO: throw or log the error
return finishBatch();
}
var docs = batches[0].docs;
target.bulkDocs({docs: docs}, {new_edits: false}, function (err, res) {
if (err) {
result.doc_write_failures += docs.length;
return abortReplication('target.bulkDocs completed with error', err);
}
var errors = [];
res.forEach(function (res) {
if (!res.ok) {
result.doc_write_failures++;
errors.push({
status: 500,
error: res.error || 'Unknown document write error',
reason: res.reason || 'Unknown reason',
});
}
});
if (errors.length > 0) {
return abortReplication('target.bulkDocs failed to write docs', errors);
}
result.docs_written += docs.length;
finishBatch();
});
}
function onGet(err, docs) {
if (promise.cancelled) {
return cancelReplication();
}
if (err) {
return abortReplication('src.get completed with error', err);
}
Object.keys(docs).forEach(function (revpos) {
var doc = docs[revpos].ok;
if (doc) {
result.docs_read++;
batches[0].pendingRevs++;
batches[0].docs.push(doc);
}
});
fetchRev();
}
function fetchRev() {
var diffs = batches[0].diffs;
if (Object.keys(diffs).length === 0) {
writeDocs();
return;
}
var id = Object.keys(diffs)[0];
var revs = diffs[id].missing;
delete diffs[id];
src.get(id, {revs: true, open_revs: revs, attachments: true}, onGet);
}
function abortReplication(reason, err) {
if (completeCalled) {
return;
}
result.ok = false;
result.status = 'aborted';
result.errors.push(err);
result.end_time = new Date();
result.last_seq = last_seq;
batches = [];
pendingBatch = new Batch();
var error = {
status: 500,
error: 'Replication aborted',
reason: reason,
details: err
};
completeCalled = true;
PouchUtils.call(opts.complete, error, result);
promise.cancel();
}
function finishBatch() {
writingCheckpoint = true;
writeCheckpoint(src, target, repId, batches[0].seq, function (err, res) {
writingCheckpoint = false;
if (promise.cancelled) {
return cancelReplication();
}
if (err) {
return abortReplication('writeCheckpoint completed with error', err);
}
last_seq = batches[0].seq;
result.last_seq = last_seq;
PouchUtils.call(opts.onChange, null, result);
batches.shift();
startNextBatch();
});
}
function onRevsDiff(err, diffs) {
if (promise.cancelled) {
return cancelReplication();
}
if (err) {
return abortReplication('target.revsDiff completed with error', err);
}
if (Object.keys(diffs).length === 0) {
finishBatch();
return;
}
batches[0].diffs = diffs;
batches[0].pendingRevs = 0;
fetchRev();
}
function fetchRevsDiff() {
var diff = {};
batches[0].changes.forEach(function (change) {
diff[change.id] = change.changes.map(function (x) { return x.rev; });
});
target.revsDiff(diff, onRevsDiff);
}
function startNextBatch() {
if (promise.cancelled) {
return cancelReplication();
}
if (batches.length === 0) {
processPendingBatch();
return;
}
if (batches[0].state === 'start') {
batches[0].state = 'processing';
fetchRevsDiff();
}
}
function processPendingBatch() {
if (pendingBatch.changes.length === 0) {
if (changesCompleted && batches.length === 0) {
replicationComplete();
}
return;
}
if (changesCompleted || pendingBatch.changes.length >= batch_size) {
batches.push(pendingBatch);
pendingBatch = new Batch();
startNextBatch();
}
}
function cancelReplication() {
result.status = 'cancelled';
if (!writingCheckpoint) {
replicationComplete();
}
}
function replicationComplete() {
if (completeCalled) {
return;
}
result.status = result.status || 'complete';
result.end_time = new Date();
result.last_seq = last_seq;
completeCalled = true;
return PouchUtils.call(opts.complete, null, result);
}
function onChange(change) {
if (promise.cancelled) {
return cancelReplication();
}
if (completeCalled) {
// This should never happen
// The complete callback has already been called
// How to raise an exception in PouchDB?
return;
}
pendingBatch.seq = change.seq;
pendingBatch.changes.push(change);
processPendingBatch();
}
function complete(err, result) {
changesCompleted = true;
if (promise.cancelled) {
return cancelReplication();
}
if (err) {
return abortReplication('src.changes completed with error', err);
}
processPendingBatch();
}
function getChanges() {
fetchCheckpoint(src, target, repId, function (err, checkpoint) {
if (err) {
return abortReplication('fetchCheckpoint completed with error', err);
}
last_seq = checkpoint;
// Was the replication cancelled by the caller before it had a chance
// to start. Shouldnt we be calling complete?
if (promise.cancelled) {
return cancelReplication();
}
// Call changes on the source database, with callbacks to onChange for
// each change and complete when done.
var repOpts = {
continuous: continuous,
since: last_seq,
style: 'all_docs',
onChange: onChange,
complete: complete,
doc_ids: doc_ids
};
if (opts.filter) {
repOpts.filter = opts.filter;
}
if (opts.query_params) {
repOpts.query_params = opts.query_params;
}
var changes = src.changes(repOpts);
var cancelPromise = promise.cancel;
promise.cancel = function () {
cancelPromise();
cancelReplication();
if (changes && changes.cancel instanceof Function) {
changes.cancel();
}
};
});
}
// If opts.since is given, set the checkpoint to opts.since
if (typeof opts.since === 'undefined') {
getChanges();
} else {
writeCheckpoint(src, target, repId, opts.since, function (err, res) {
if (err) {
return abortReplication('writeCheckpoint completed with error', err);
}
last_seq = opts.since;
getChanges();
});
}
}
function toPouch(db, callback) {
if (typeof db === 'string') {
return new Pouch(db, callback);
}
callback(null, db);
}
function replicateWrapper(src, target, opts, callback) {
if (opts instanceof Function) {
callback = opts;
opts = {};
}
if (opts === undefined) {
opts = {};
}
if (!opts.complete) {
opts.complete = callback;
}
opts = PouchUtils.extend(true, {}, opts);
opts.continuous = opts.continuous || opts.live;
var replicateRet = new Promise();
toPouch(src, function (err, src) {
if (err) {
return callback(err);
}
toPouch(target, function (err, target) {
if (err) {
return callback(err);
}
if (opts.server) {
if (typeof src.replicateOnServer !== 'function') {
return callback({
error: 'Server replication not supported for ' + src.type() +
'adapter'
});
}
if (src.type() !== target.type()) {
return callback({
error: 'Server replication for different adapter types (' +
src.type() + ' and ' + target.type() + ') is not supported'
});
}
src.replicateOnServer(target, opts, replicateRet);
} else {
genReplicationId(src, target, opts, function (repId) {
replicate(repId, src, target, opts, replicateRet);
});
}
});
});
return replicateRet;
}
function sync(db1, db2, opts, callback) {
var push_promise;
var pull_promise;
if (opts instanceof Function) {
callback = opts;
opts = {};
}
if (opts === undefined) {
opts = {};
}
if (callback instanceof Function && !opts.complete) {
opts.complete = callback;
}
function complete(callback, direction) {
return function (err, res) {
if (err) {
// cancel both replications if either experiences problems
cancel();
}
res.direction = direction;
callback(err, res);
};
}
function onChange(src, callback) {
callback = callback || function () {};
return function (change) {
return {
source: src,
change: callback(change)
};
};
}
function makeOpts(src, opts, direction) {
opts = PouchUtils.extend(true, {}, opts);
opts.complete = complete(opts.complete, direction);
opts.onChange = onChange(src, opts.onChange);
opts.continuous = opts.continuous || opts.live;
return opts;
}
function push() {
push_promise = replicateWrapper(db1, db2, makeOpts(db1, opts, 'push'), callback);
return push_promise;
}
function pull() {
pull_promise = replicateWrapper(db2, db1, makeOpts(db2, opts, 'pull'), callback);
return pull_promise;
}
function cancel() {
if (push_promise) {
push_promise.cancel();
}
if (pull_promise) {
pull_promise.cancel();
}
}
return {
push: push(),
pull: pull(),
cancel: cancel
};
}
exports.replicate = replicateWrapper;
exports.sync = sync;
},{"./index":13,"./utils":18}],16:[function(_dereq_,module,exports){
(function (global){
"use strict";
var PouchDB = _dereq_("./constructor");
var utils = _dereq_('./utils');
var EventEmitter = _dereq_('events').EventEmitter;
PouchDB.adapters = {};
PouchDB.prefix = '_pouch_';
var eventEmitter = new EventEmitter();
var eventEmitterMethods = [
'on',
'addListener',
'emit',
'listeners',
'once',
'removeAllListeners',
'removeListener',
'setMaxListeners'
];
var preferredAdapters = ['levelalt', 'idb', 'leveldb', 'websql'];
eventEmitterMethods.forEach(function (method) {
PouchDB[method] = eventEmitter[method].bind(eventEmitter);
});
PouchDB.setMaxListeners(0);
PouchDB.parseAdapter = function (name, opts) {
var match = name.match(/([a-z\-]*):\/\/(.*)/);
var adapter, adapterName;
if (match) {
// the http adapter expects the fully qualified name
name = /http(s?)/.test(match[1]) ? match[1] + '://' + match[2] : match[2];
adapter = match[1];
if (!PouchDB.adapters[adapter].valid()) {
throw 'Invalid adapter';
}
return {name: name, adapter: match[1]};
}
// check for browsers that have been upgraded from websql-only to websql+idb
var skipIdb = 'idb' in PouchDB.adapters && 'websql' in PouchDB.adapters &&
utils.hasLocalStorage() &&
global.localStorage['_pouch__websqldb_' + PouchDB.prefix + name];
if (typeof opts !== 'undefined' && opts.db) {
adapterName = 'leveldb';
} else {
for (var i = 0; i < preferredAdapters.length; ++i) {
adapterName = preferredAdapters[i];
if (adapterName in PouchDB.adapters) {
if (skipIdb && adapterName === 'idb') {
continue; // keep using websql to avoid user data loss
}
break;
}
}
}
if (adapterName) {
adapter = PouchDB.adapters[adapterName];
var use_prefix = 'use_prefix' in adapter ? adapter.use_prefix : true;
return {
name: use_prefix ? PouchDB.prefix + name : name,
adapter: adapterName
};
}
throw 'No valid adapter found';
};
PouchDB.destroy = utils.toPromise(function (name, opts, callback) {
if (typeof opts === 'function' || typeof opts === 'undefined') {
callback = opts;
opts = {};
}
if (typeof name === 'object') {
opts = name;
name = undefined;
}
var backend = PouchDB.parseAdapter(opts.name || name, opts);
var dbName = backend.name;
// call destroy method of the particular adaptor
PouchDB.adapters[backend.adapter].destroy(dbName, opts, function (err, resp) {
if (err) {
callback(err);
} else {
PouchDB.emit('destroyed', dbName);
//so we don't have to sift through all dbnames
PouchDB.emit(dbName, 'destroyed');
callback(null, resp);
}
});
});
PouchDB.allDbs = utils.toPromise(function (callback) {
var err = new Error('allDbs method removed');
err.stats = '400';
callback(err);
});
PouchDB.adapter = function (id, obj) {
if (obj.valid()) {
PouchDB.adapters[id] = obj;
}
};
PouchDB.plugin = function (obj) {
Object.keys(obj).forEach(function (id) {
PouchDB.prototype[id] = obj[id];
});
};
module.exports = PouchDB;
}).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"./constructor":5,"./utils":18,"events":22}],17:[function(_dereq_,module,exports){
'use strict';
module.exports = TaskQueue;
function TaskQueue() {
this.isReady = false;
this.failed = false;
this.queue = [];
}
TaskQueue.prototype.execute = function () {
var d, func;
if (this.failed) {
while ((d = this.queue.shift())) {
func = d.parameters[d.parameters.length - 1];
if (typeof func === 'function') {
func(this.failed);
} else if (d.name === 'changes' && typeof func.complete === 'function') {
func.complete(this.failed);
}
}
} else if (this.isReady) {
while ((d = this.queue.shift())) {
if (typeof d === 'function') {
d();
} else {
d.task = this.db[d.name].apply(this.db, d.parameters);
}
}
}
};
TaskQueue.prototype.fail = function (err) {
this.failed = err;
this.execute();
};
TaskQueue.prototype.ready = function (db) {
if (this.failed) {
return false;
} else if (arguments.length === 0) {
return this.isReady;
}
this.isReady = db ? true: false;
this.db = db;
this.execute();
};
TaskQueue.prototype.addTask = function (name, parameters) {
if (typeof name === 'function') {
this.queue.push(name);
} else {
var task = { name: name, parameters: parameters };
this.queue.push(task);
if (this.failed) {
this.execute();
}
return task;
}
};
},{}],18:[function(_dereq_,module,exports){
(function (process,global){
/*jshint strict: false */
/*global chrome */
var merge = _dereq_('./merge');
exports.extend = _dereq_('./deps/extend');
exports.ajax = _dereq_('./deps/ajax');
exports.createBlob = _dereq_('./deps/blob');
var uuid = _dereq_('./deps/uuid');
exports.Crypto = _dereq_('./deps/md5.js');
var buffer = _dereq_('./deps/buffer');
var errors = _dereq_('./deps/errors');
var EventEmitter = _dereq_('events').EventEmitter;
var Promise = typeof global.Promise === 'function' ? global.Promise : _dereq_('bluebird');
// List of top level reserved words for doc
var reservedWords = [
'_id',
'_rev',
'_attachments',
'_deleted',
'_revisions',
'_revs_info',
'_conflicts',
'_deleted_conflicts',
'_local_seq',
'_rev_tree'
];
exports.inherits = _dereq_('inherits');
exports.uuids = function (count, options) {
if (typeof(options) !== 'object') {
options = {};
}
var length = options.length;
var radix = options.radix;
var uuids = [];
while (uuids.push(uuid(length, radix)) < count) { }
return uuids;
};
// Give back one UUID
exports.uuid = function (options) {
return exports.uuids(1, options)[0];
};
// Determine id an ID is valid
// - invalid IDs begin with an underescore that does not begin '_design' or '_local'
// - any other string value is a valid id
// Returns the specific error object for each case
exports.invalidIdError = function (id) {
if (!id) {
return errors.MISSING_ID;
} else if (typeof id !== 'string') {
return errors.INVALID_ID;
} else if (/^_/.test(id) && !(/^_(design|local)/).test(id)) {
return errors.RESERVED_ID;
}
};
function isChromeApp() {
return (typeof chrome !== "undefined" &&
typeof chrome.storage !== "undefined" &&
typeof chrome.storage.local !== "undefined");
}
exports.getArguments = function (fun) {
return function () {
var len = arguments.length;
var args = new Array(len);
var i = -1;
while (++i < len) {
args[i] = arguments[i];
}
return fun.call(this, args);
};
};
// Pretty dumb name for a function, just wraps callback calls so we dont
// to if (callback) callback() everywhere
exports.call = exports.getArguments(function (args) {
if (!args.length) {
return;
}
var fun = args.shift();
if (typeof fun === 'function') {
fun.apply(this, args);
}
});
exports.isLocalId = function (id) {
return (/^_local/).test(id);
};
// check if a specific revision of a doc has been deleted
// - metadata: the metadata object from the doc store
// - rev: (optional) the revision to check. defaults to winning revision
exports.isDeleted = function (metadata, rev) {
if (!rev) {
rev = merge.winningRev(metadata);
}
if (rev.indexOf('-') >= 0) {
rev = rev.split('-')[1];
}
var deleted = false;
merge.traverseRevTree(metadata.rev_tree, function (isLeaf, pos, id, acc, opts) {
if (id === rev) {
deleted = !!opts.deleted;
}
});
return deleted;
};
exports.filterChange = function (opts) {
return function (change) {
var req = {};
var hasFilter = opts.filter && typeof opts.filter === 'function';
req.query = opts.query_params;
if (opts.filter && hasFilter && !opts.filter.call(this, change.doc, req)) {
return false;
}
if (opts.doc_ids && opts.doc_ids.indexOf(change.id) === -1) {
return false;
}
if (!opts.include_docs) {
delete change.doc;
} else {
for (var att in change.doc._attachments) {
if (change.doc._attachments.hasOwnProperty(att)) {
change.doc._attachments[att].stub = true;
}
}
}
return true;
};
};
exports.processChanges = function (opts, changes, last_seq) {
// TODO: we should try to filter and limit as soon as possible
changes = changes.filter(exports.filterChange(opts));
if (opts.limit) {
if (opts.limit < changes.length) {
changes.length = opts.limit;
}
}
changes.forEach(function (change) {
exports.call(opts.onChange, change);
});
if (!opts.continuous) {
exports.call(opts.complete, null, {results: changes, last_seq: last_seq});
}
};
// Preprocess documents, parse their revisions, assign an id and a
// revision for new writes that are missing them, etc
exports.parseDoc = function (doc, newEdits) {
var error = null;
var nRevNum;
var newRevId;
var revInfo;
var opts = {status: 'available'};
if (doc._deleted) {
opts.deleted = true;
}
if (newEdits) {
if (!doc._id) {
doc._id = exports.uuid();
}
newRevId = exports.uuid({length: 32, radix: 16}).toLowerCase();
if (doc._rev) {
revInfo = /^(\d+)-(.+)$/.exec(doc._rev);
if (!revInfo) {
throw "invalid value for property '_rev'";
}
doc._rev_tree = [{
pos: parseInt(revInfo[1], 10),
ids: [revInfo[2], {status: 'missing'}, [[newRevId, opts, []]]]
}];
nRevNum = parseInt(revInfo[1], 10) + 1;
} else {
doc._rev_tree = [{
pos: 1,
ids : [newRevId, opts, []]
}];
nRevNum = 1;
}
} else {
if (doc._revisions) {
doc._rev_tree = [{
pos: doc._revisions.start - doc._revisions.ids.length + 1,
ids: doc._revisions.ids.reduce(function (acc, x) {
if (acc === null) {
return [x, opts, []];
} else {
return [x, {status: 'missing'}, [acc]];
}
}, null)
}];
nRevNum = doc._revisions.start;
newRevId = doc._revisions.ids[0];
}
if (!doc._rev_tree) {
revInfo = /^(\d+)-(.+)$/.exec(doc._rev);
if (!revInfo) {
return errors.BAD_ARG;
}
nRevNum = parseInt(revInfo[1], 10);
newRevId = revInfo[2];
doc._rev_tree = [{
pos: parseInt(revInfo[1], 10),
ids: [revInfo[2], opts, []]
}];
}
}
error = exports.invalidIdError(doc._id);
for (var key in doc) {
if (doc.hasOwnProperty(key) && key[0] === '_' && reservedWords.indexOf(key) === -1) {
error = exports.extend({}, errors.DOC_VALIDATION);
error.reason += ': ' + key;
}
}
doc._id = decodeURIComponent(doc._id);
doc._rev = [nRevNum, newRevId].join('-');
if (error) {
return error;
}
return Object.keys(doc).reduce(function (acc, key) {
if (/^_/.test(key) && key !== '_attachments') {
acc.metadata[key.slice(1)] = doc[key];
} else {
acc.data[key] = doc[key];
}
return acc;
}, {metadata : {}, data : {}});
};
exports.isCordova = function () {
return (typeof cordova !== "undefined" ||
typeof PhoneGap !== "undefined" ||
typeof phonegap !== "undefined");
};
exports.hasLocalStorage = function () {
if (isChromeApp()) {
return false;
}
try {
return global.localStorage;
} catch (e) {
return false;
}
};
exports.Changes = function () {
var api = {};
var eventEmitter = new EventEmitter();
var isChrome = isChromeApp();
var listeners = {};
var hasLocal = false;
if (!isChrome) {
hasLocal = exports.hasLocalStorage();
}
if (isChrome) {
chrome.storage.onChanged.addListener(function (e) {
// make sure it's event addressed to us
if (e.db_name != null) {
eventEmitter.emit(e.dbName.newValue);//object only has oldValue, newValue members
}
});
} else if (hasLocal) {
global.addEventListener("storage", function (e) {
eventEmitter.emit(e.key);
});
}
api.addListener = function (dbName, id, db, opts) {
if (listeners[id]) {
return;
}
function eventFunction() {
db.changes({
include_docs: opts.include_docs,
conflicts: opts.conflicts,
continuous: false,
descending: false,
filter: opts.filter,
view: opts.view,
since: opts.since,
query_params: opts.query_params,
onChange: function (c) {
if (c.seq > opts.since && !opts.cancelled) {
opts.since = c.seq;
exports.call(opts.onChange, c);
}
}
});
}
listeners[id] = eventFunction;
eventEmitter.on(dbName, eventFunction);
};
api.removeListener = function (dbName, id) {
if (!(id in listeners)) {
return;
}
eventEmitter.removeListener(dbName, listeners[id]);
};
api.clearListeners = function (dbName) {
eventEmitter.removeAllListeners(dbName);
};
api.notifyLocalWindows = function (dbName) {
//do a useless change on a storage thing
//in order to get other windows's listeners to activate
if (isChrome) {
chrome.storage.local.set({dbName: dbName});
} else if (hasLocal) {
localStorage[dbName] = (localStorage[dbName] === "a") ? "b" : "a";
}
};
api.notify = function (dbName) {
eventEmitter.emit(dbName);
};
return api;
};
if (!process.browser || !('atob' in global)) {
exports.atob = function (str) {
var base64 = new buffer(str, 'base64');
// Node.js will just skip the characters it can't encode instead of
// throwing and exception
if (base64.toString('base64') !== str) {
throw ("Cannot base64 encode full string");
}
return base64.toString('binary');
};
} else {
exports.atob = function (str) {
return atob(str);
};
}
if (!process.browser || !('btoa' in global)) {
exports.btoa = function (str) {
return new buffer(str, 'binary').toString('base64');
};
} else {
exports.btoa = function (str) {
return btoa(str);
};
}
// From http://stackoverflow.com/questions/14967647/encode-decode-image-with-base64-breaks-image (2013-04-21)
exports.fixBinary = function (bin) {
if (!process.browser) {
// don't need to do this in Node
return bin;
}
var length = bin.length;
var buf = new ArrayBuffer(length);
var arr = new Uint8Array(buf);
for (var i = 0; i < length; i++) {
arr[i] = bin.charCodeAt(i);
}
return buf;
};
exports.once = function (fun) {
var called = false;
return exports.getArguments(function (args) {
if (called) {
console.trace();
throw new Error('once called more than once');
} else {
called = true;
fun.apply(this, args);
}
});
};
exports.toPromise = function (func) {
//create the function we will be returning
return exports.getArguments(function (args) {
var self = this;
var tempCB = (typeof args[args.length - 1] === 'function') ? args.pop() : false;
// if the last argument is a function, assume its a callback
var usedCB;
if (tempCB) {
// if it was a callback, create a new callback which calls it,
// but do so async so we don't trap any errors
usedCB = function (err, resp) {
process.nextTick(function () {
tempCB(err, resp);
});
};
}
var promise = new Promise(function (fulfill, reject) {
try {
var callback = exports.once(function (err, mesg) {
if (err) {
reject(err);
} else {
fulfill(mesg);
}
});
// create a callback for this invocation
// apply the function in the orig context
args.push(callback);
func.apply(self, args);
} catch (e) {
reject(e);
}
});
// if there is a callback, call it back
if (usedCB) {
promise.then(function (result) {
usedCB(null, result);
}, usedCB);
}
promise.cancel = function () {
return this;
};
return promise;
});
};
exports.adapterFun = function (name, callback) {
return exports.toPromise(exports.getArguments(function (args) {
if (!this.taskqueue.isReady) {
this.taskqueue.addTask(name, args);
return;
}
callback.apply(this, args);
}));
};
//Can't find original post, but this is close
//http://stackoverflow.com/questions/6965107/converting-between-strings-and-arraybuffers
exports.arrayBufferToBinaryString = function (buffer) {
var binary = "";
var bytes = new Uint8Array(buffer);
var length = bytes.byteLength;
for (var i = 0; i < length; i++) {
binary += String.fromCharCode(bytes[i]);
}
return binary;
};
exports.cancellableFun = function (fun, self, opts) {
opts = opts ? exports.extend(true, {}, opts) : {};
opts.complete = opts.complete || function () { };
var complete = exports.once(opts.complete);
var promise = new Promise(function (fulfill, reject) {
opts.complete = function (err, res) {
if (err) {
reject(err);
} else {
fulfill(res);
}
};
});
promise.then(function (result) {
complete(null, result);
}, complete);
// this needs to be overwridden by caller, dont fire complete until
// the task is ready
promise.cancel = function () {
promise.isCancelled = true;
if (self.taskqueue.isReady) {
opts.complete(null, {status: 'cancelled'});
}
};
if (!self.taskqueue.isReady) {
self.taskqueue.addTask(function () {
if (promise.isCancelled) {
opts.complete(null, {status: 'cancelled'});
} else {
fun(self, opts, promise);
}
});
return promise;
} else {
fun(self, opts, promise);
return promise;
}
};
}).call(this,_dereq_("/Users/tom/Projects/src/node/pouchdb/node_modules/browserify/node_modules/insert-module-globals/node_modules/process/browser.js"),typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"./deps/ajax":6,"./deps/blob":7,"./deps/buffer":21,"./deps/errors":8,"./deps/extend":10,"./deps/md5.js":11,"./deps/uuid":12,"./merge":14,"/Users/tom/Projects/src/node/pouchdb/node_modules/browserify/node_modules/insert-module-globals/node_modules/process/browser.js":23,"bluebird":28,"events":22,"inherits":24}],19:[function(_dereq_,module,exports){
module.exports = _dereq_('../package.json').version;
},{"../package.json":53}],20:[function(_dereq_,module,exports){
},{}],21:[function(_dereq_,module,exports){
module.exports=_dereq_(20)
},{}],22:[function(_dereq_,module,exports){
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
function EventEmitter() {
this._events = this._events || {};
this._maxListeners = this._maxListeners || undefined;
}
module.exports = EventEmitter;
// Backwards-compat with node 0.10.x
EventEmitter.EventEmitter = EventEmitter;
EventEmitter.prototype._events = undefined;
EventEmitter.prototype._maxListeners = undefined;
// By default EventEmitters will print a warning if more than 10 listeners are
// added to it. This is a useful default which helps finding memory leaks.
EventEmitter.defaultMaxListeners = 10;
// Obviously not all Emitters should be limited to 10. This function allows
// that to be increased. Set to zero for unlimited.
EventEmitter.prototype.setMaxListeners = function(n) {
if (!isNumber(n) || n < 0 || isNaN(n))
throw TypeError('n must be a positive number');
this._maxListeners = n;
return this;
};
EventEmitter.prototype.emit = function(type) {
var er, handler, len, args, i, listeners;
if (!this._events)
this._events = {};
// If there is no 'error' event listener then throw.
if (type === 'error') {
if (!this._events.error ||
(isObject(this._events.error) && !this._events.error.length)) {
er = arguments[1];
if (er instanceof Error) {
throw er; // Unhandled 'error' event
} else {
throw TypeError('Uncaught, unspecified "error" event.');
}
return false;
}
}
handler = this._events[type];
if (isUndefined(handler))
return false;
if (isFunction(handler)) {
switch (arguments.length) {
// fast cases
case 1:
handler.call(this);
break;
case 2:
handler.call(this, arguments[1]);
break;
case 3:
handler.call(this, arguments[1], arguments[2]);
break;
// slower
default:
len = arguments.length;
args = new Array(len - 1);
for (i = 1; i < len; i++)
args[i - 1] = arguments[i];
handler.apply(this, args);
}
} else if (isObject(handler)) {
len = arguments.length;
args = new Array(len - 1);
for (i = 1; i < len; i++)
args[i - 1] = arguments[i];
listeners = handler.slice();
len = listeners.length;
for (i = 0; i < len; i++)
listeners[i].apply(this, args);
}
return true;
};
EventEmitter.prototype.addListener = function(type, listener) {
var m;
if (!isFunction(listener))
throw TypeError('listener must be a function');
if (!this._events)
this._events = {};
// To avoid recursion in the case that type === "newListener"! Before
// adding it to the listeners, first emit "newListener".
if (this._events.newListener)
this.emit('newListener', type,
isFunction(listener.listener) ?
listener.listener : listener);
if (!this._events[type])
// Optimize the case of one listener. Don't need the extra array object.
this._events[type] = listener;
else if (isObject(this._events[type]))
// If we've already got an array, just append.
this._events[type].push(listener);
else
// Adding the second element, need to change to array.
this._events[type] = [this._events[type], listener];
// Check for listener leak
if (isObject(this._events[type]) && !this._events[type].warned) {
var m;
if (!isUndefined(this._maxListeners)) {
m = this._maxListeners;
} else {
m = EventEmitter.defaultMaxListeners;
}
if (m && m > 0 && this._events[type].length > m) {
this._events[type].warned = true;
console.error('(node) warning: possible EventEmitter memory ' +
'leak detected. %d listeners added. ' +
'Use emitter.setMaxListeners() to increase limit.',
this._events[type].length);
console.trace();
}
}
return this;
};
EventEmitter.prototype.on = EventEmitter.prototype.addListener;
EventEmitter.prototype.once = function(type, listener) {
if (!isFunction(listener))
throw TypeError('listener must be a function');
var fired = false;
function g() {
this.removeListener(type, g);
if (!fired) {
fired = true;
listener.apply(this, arguments);
}
}
g.listener = listener;
this.on(type, g);
return this;
};
// emits a 'removeListener' event iff the listener was removed
EventEmitter.prototype.removeListener = function(type, listener) {
var list, position, length, i;
if (!isFunction(listener))
throw TypeError('listener must be a function');
if (!this._events || !this._events[type])
return this;
list = this._events[type];
length = list.length;
position = -1;
if (list === listener ||
(isFunction(list.listener) && list.listener === listener)) {
delete this._events[type];
if (this._events.removeListener)
this.emit('removeListener', type, listener);
} else if (isObject(list)) {
for (i = length; i-- > 0;) {
if (list[i] === listener ||
(list[i].listener && list[i].listener === listener)) {
position = i;
break;
}
}
if (position < 0)
return this;
if (list.length === 1) {
list.length = 0;
delete this._events[type];
} else {
list.splice(position, 1);
}
if (this._events.removeListener)
this.emit('removeListener', type, listener);
}
return this;
};
EventEmitter.prototype.removeAllListeners = function(type) {
var key, listeners;
if (!this._events)
return this;
// not listening for removeListener, no need to emit
if (!this._events.removeListener) {
if (arguments.length === 0)
this._events = {};
else if (this._events[type])
delete this._events[type];
return this;
}
// emit removeListener for all listeners on all events
if (arguments.length === 0) {
for (key in this._events) {
if (key === 'removeListener') continue;
this.removeAllListeners(key);
}
this.removeAllListeners('removeListener');
this._events = {};
return this;
}
listeners = this._events[type];
if (isFunction(listeners)) {
this.removeListener(type, listeners);
} else {
// LIFO order
while (listeners.length)
this.removeListener(type, listeners[listeners.length - 1]);
}
delete this._events[type];
return this;
};
EventEmitter.prototype.listeners = function(type) {
var ret;
if (!this._events || !this._events[type])
ret = [];
else if (isFunction(this._events[type]))
ret = [this._events[type]];
else
ret = this._events[type].slice();
return ret;
};
EventEmitter.listenerCount = function(emitter, type) {
var ret;
if (!emitter._events || !emitter._events[type])
ret = 0;
else if (isFunction(emitter._events[type]))
ret = 1;
else
ret = emitter._events[type].length;
return ret;
};
function isFunction(arg) {
return typeof arg === 'function';
}
function isNumber(arg) {
return typeof arg === 'number';
}
function isObject(arg) {
return typeof arg === 'object' && arg !== null;
}
function isUndefined(arg) {
return arg === void 0;
}
},{}],23:[function(_dereq_,module,exports){
// shim for using process in browser
var process = module.exports = {};
process.nextTick = (function () {
var canSetImmediate = typeof window !== 'undefined'
&& window.setImmediate;
var canPost = typeof window !== 'undefined'
&& window.postMessage && window.addEventListener
;
if (canSetImmediate) {
return function (f) { return window.setImmediate(f) };
}
if (canPost) {
var queue = [];
window.addEventListener('message', function (ev) {
var source = ev.source;
if ((source === window || source === null) && ev.data === 'process-tick') {
ev.stopPropagation();
if (queue.length > 0) {
var fn = queue.shift();
fn();
}
}
}, true);
return function nextTick(fn) {
queue.push(fn);
window.postMessage('process-tick', '*');
};
}
return function nextTick(fn) {
setTimeout(fn, 0);
};
})();
process.title = 'browser';
process.browser = true;
process.env = {};
process.argv = [];
process.binding = function (name) {
throw new Error('process.binding is not supported');
}
// TODO(shtylman)
process.cwd = function () { return '/' };
process.chdir = function (dir) {
throw new Error('process.chdir is not supported');
};
},{}],24:[function(_dereq_,module,exports){
if (typeof Object.create === 'function') {
// implementation from standard node.js 'util' module
module.exports = function inherits(ctor, superCtor) {
ctor.super_ = superCtor
ctor.prototype = Object.create(superCtor.prototype, {
constructor: {
value: ctor,
enumerable: false,
writable: true,
configurable: true
}
});
};
} else {
// old school shim for old browsers
module.exports = function inherits(ctor, superCtor) {
ctor.super_ = superCtor
var TempCtor = function () {}
TempCtor.prototype = superCtor.prototype
ctor.prototype = new TempCtor()
ctor.prototype.constructor = ctor
}
}
},{}],25:[function(_dereq_,module,exports){
'use strict';
module.exports = INTERNAL;
function INTERNAL() {}
},{}],26:[function(_dereq_,module,exports){
'use strict';
var INTERNAL = _dereq_('./INTERNAL');
var Promise = _dereq_('./promise');
var reject = _dereq_('./reject');
var resolve = _dereq_('./resolve');
module.exports = function all(iterable) {
if (Object.prototype.toString.call(iterable) !== '[object Array]') {
return reject(new TypeError('must be an array'));
}
var len = iterable.length;
if (!len) {
return resolve([]);
}
var values = [];
var resolved = 0;
var i = -1;
var promise = new Promise(INTERNAL);
function allResolver(value, i) {
resolve(value).then(function (outValue) {
values[i] = outValue;
if (++resolved === len) {
promise.resolve(values);
}
}, function (error) {
promise.reject(error);
});
}
while (++i < len) {
allResolver(iterable[i], i);
}
return promise;
};
},{"./INTERNAL":25,"./promise":30,"./reject":31,"./resolve":32}],27:[function(_dereq_,module,exports){
'use strict';
module.exports = getThen;
function getThen(obj) {
// Make sure we only access the accessor once as required by the spec
var then = obj && obj.then;
if (obj && typeof obj === 'object' && typeof then === 'function') {
return function appyThen() {
then.apply(obj, arguments);
};
}
}
},{}],28:[function(_dereq_,module,exports){
module.exports = exports = _dereq_('./promise');
exports.resolve = _dereq_('./resolve');
exports.reject = _dereq_('./reject');
exports.all = _dereq_('./all');
},{"./all":26,"./promise":30,"./reject":31,"./resolve":32}],29:[function(_dereq_,module,exports){
'use strict';
module.exports = once;
/* Wrap an arbitrary number of functions and allow only one of them to be
executed and only once */
function once() {
var called = 0;
return function wrapper(wrappedFunction) {
return function () {
if (called++) {
return;
}
wrappedFunction.apply(this, arguments);
};
};
}
},{}],30:[function(_dereq_,module,exports){
'use strict';
var unwrap = _dereq_('./unwrap');
var INTERNAL = _dereq_('./INTERNAL');
var once = _dereq_('./once');
var tryCatch = _dereq_('./tryCatch');
var getThen = _dereq_('./getThen');
// Lazy man's symbols for states
var PENDING = ['PENDING'],
FULFILLED = ['FULFILLED'],
REJECTED = ['REJECTED'];
module.exports = Promise;
function Promise(resolver) {
if (!(this instanceof Promise)) {
return new Promise(resolver);
}
if (typeof resolver !== 'function') {
throw new TypeError('reslover must be a function');
}
this.state = PENDING;
this.queue = [];
if (resolver !== INTERNAL) {
safelyResolveThenable(this, resolver);
}
}
Promise.prototype.resolve = function (value) {
var result = tryCatch(getThen, value);
if (result.status === 'error') {
return this.reject(result.value);
}
var thenable = result.value;
if (thenable) {
safelyResolveThenable(this, thenable);
} else {
this.state = FULFILLED;
this.outcome = value;
var i = -1;
var len = this.queue.length;
while (++i < len) {
this.queue[i].callFulfilled(value);
}
}
return this;
};
Promise.prototype.reject = function (error) {
this.state = REJECTED;
this.outcome = error;
var i = -1;
var len = this.queue.length;
while (++i < len) {
this.queue[i].callRejected(error);
}
return this;
};
Promise.prototype['catch'] = function (onRejected) {
return this.then(null, onRejected);
};
Promise.prototype.then = function (onFulfilled, onRejected) {
var onFulfilledFunc = typeof onFulfilled === 'function';
var onRejectedFunc = typeof onRejected === 'function';
if (!onFulfilledFunc && this.state === FULFILLED || !onRejected && this.state === REJECTED) {
return this;
}
var promise = new Promise(INTERNAL);
var thenHandler = {
promise: promise,
};
if (this.state !== REJECTED) {
if (onFulfilledFunc) {
thenHandler.callFulfilled = function (value) {
unwrap(promise, onFulfilled, value);
};
} else {
thenHandler.callFulfilled = function (value) {
promise.resolve(value);
};
}
}
if (this.state !== FULFILLED) {
if (onRejectedFunc) {
thenHandler.callRejected = function (value) {
unwrap(promise, onRejected, value);
};
} else {
thenHandler.callRejected = function (value) {
promise.reject(value);
};
}
}
if (this.state === FULFILLED) {
thenHandler.callFulfilled(this.outcome);
} else if (this.state === REJECTED) {
thenHandler.callRejected(this.outcome);
} else {
this.queue.push(thenHandler);
}
return promise;
};
function safelyResolveThenable(self, thenable) {
// Either fulfill, reject or reject with error
var onceWrapper = once();
var onError = onceWrapper(function (value) {
return self.reject(value);
});
var result = tryCatch(function () {
thenable(
onceWrapper(function (value) {
return self.resolve(value);
}),
onError
);
});
if (result.status === 'error') {
onError(result.value);
}
}
},{"./INTERNAL":25,"./getThen":27,"./once":29,"./tryCatch":33,"./unwrap":34}],31:[function(_dereq_,module,exports){
'use strict';
var Promise = _dereq_('./promise');
var INTERNAL = _dereq_('./INTERNAL');
module.exports = reject;
function reject(reason) {
var promise = new Promise(INTERNAL);
return promise.reject(reason);
}
},{"./INTERNAL":25,"./promise":30}],32:[function(_dereq_,module,exports){
'use strict';
var Promise = _dereq_('./promise');
var INTERNAL = _dereq_('./INTERNAL');
module.exports = resolve;
var FALSE = new Promise(INTERNAL).resolve(false);
var NULL = new Promise(INTERNAL).resolve(null);
var UNDEFINED = new Promise(INTERNAL).resolve(void 0);
var ZERO = new Promise(INTERNAL).resolve(0);
var EMPTYSTRING = new Promise(INTERNAL).resolve('');
function resolve(value) {
if (value) {
return new Promise(INTERNAL).resolve(value);
}
var valueType = typeof value;
switch (valueType) {
case 'boolean':
return FALSE;
case 'undefined':
return UNDEFINED;
case 'object':
return NULL;
case 'number':
return ZERO;
case 'string':
return EMPTYSTRING;
}
}
},{"./INTERNAL":25,"./promise":30}],33:[function(_dereq_,module,exports){
'use strict';
module.exports = tryCatch;
function tryCatch(func, value) {
var out = {};
try {
out.value = func(value);
out.status = 'success';
} catch (e) {
out.status = 'error';
out.value = e;
}
return out;
}
},{}],34:[function(_dereq_,module,exports){
'use strict';
var immediate = _dereq_('immediate');
module.exports = unwrap;
function unwrap(promise, func, value) {
immediate(function () {
var returnValue;
try {
returnValue = func(value);
} catch (e) {
return promise.reject(e);
}
if (returnValue === promise) {
promise.reject(new TypeError('Cannot resolve promise with itself'));
} else {
promise.resolve(returnValue);
}
});
}
},{"immediate":36}],35:[function(_dereq_,module,exports){
"use strict";
exports.test = function () {
return false;
};
},{}],36:[function(_dereq_,module,exports){
"use strict";
var types = [
_dereq_("./nextTick"),
_dereq_("./mutation"),
_dereq_("./postMessage"),
_dereq_("./messageChannel"),
_dereq_("./stateChange"),
_dereq_("./timeout")
];
var handlerQueue = [];
function drainQueue() {
var i = 0,
task,
innerQueue = handlerQueue;
handlerQueue = [];
/*jslint boss: true */
while (task = innerQueue[i++]) {
task();
}
}
var nextTick;
var i = -1;
var len = types.length;
while (++ i < len) {
if (types[i].test()) {
nextTick = types[i].install(drainQueue);
break;
}
}
module.exports = function (task) {
var len, i, args;
var nTask = task;
if (arguments.length > 1 && typeof task === "function") {
args = new Array(arguments.length - 1);
i = 0;
while (++i < arguments.length) {
args[i - 1] = arguments[i];
}
nTask = function () {
task.apply(undefined, args);
};
}
if ((len = handlerQueue.push(nTask)) === 1) {
nextTick(drainQueue);
}
return len;
};
module.exports.clear = function (n) {
if (n <= handlerQueue.length) {
handlerQueue[n - 1] = function () {};
}
return this;
};
},{"./messageChannel":37,"./mutation":38,"./nextTick":35,"./postMessage":39,"./stateChange":40,"./timeout":41}],37:[function(_dereq_,module,exports){
(function (global){
"use strict";
exports.test = function () {
return typeof global.MessageChannel !== "undefined";
};
exports.install = function (func) {
var channel = new global.MessageChannel();
channel.port1.onmessage = func;
return function () {
channel.port2.postMessage(0);
};
};
}).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{}],38:[function(_dereq_,module,exports){
(function (global){
"use strict";
//based off rsvp
//https://github.com/tildeio/rsvp.js/blob/master/lib/rsvp/async.js
var MutationObserver = global.MutationObserver || global.WebKitMutationObserver;
exports.test = function () {
return MutationObserver;
};
exports.install = function (handle) {
var observer = new MutationObserver(handle);
var element = global.document.createElement("div");
observer.observe(element, { attributes: true });
// Chrome Memory Leak: https://bugs.webkit.org/show_bug.cgi?id=93661
global.addEventListener("unload", function () {
observer.disconnect();
observer = null;
}, false);
return function () {
element.setAttribute("drainQueue", "drainQueue");
};
};
}).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{}],39:[function(_dereq_,module,exports){
(function (global){
"use strict";
exports.test = function () {
// The test against `importScripts` prevents this implementation from being installed inside a web worker,
// where `global.postMessage` means something completely different and can"t be used for this purpose.
if (!global.postMessage || global.importScripts) {
return false;
}
var postMessageIsAsynchronous = true;
var oldOnMessage = global.onmessage;
global.onmessage = function () {
postMessageIsAsynchronous = false;
};
global.postMessage("", "*");
global.onmessage = oldOnMessage;
return postMessageIsAsynchronous;
};
exports.install = function (func) {
var codeWord = "com.calvinmetcalf.setImmediate" + Math.random();
function globalMessage(event) {
if (event.source === global && event.data === codeWord) {
func();
}
}
if (global.addEventListener) {
global.addEventListener("message", globalMessage, false);
} else {
global.attachEvent("onmessage", globalMessage);
}
return function () {
global.postMessage(codeWord, "*");
};
};
}).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{}],40:[function(_dereq_,module,exports){
(function (global){
"use strict";
exports.test = function () {
return "document" in global && "onreadystatechange" in global.document.createElement("script");
};
exports.install = function (handle) {
return function () {
// Create a <script> element; its readystatechange event will be fired asynchronously once it is inserted
// into the document. Do so, thus queuing up the task. Remember to clean up once it's been called.
var scriptEl = global.document.createElement("script");
scriptEl.onreadystatechange = function () {
handle();
scriptEl.onreadystatechange = null;
scriptEl.parentNode.removeChild(scriptEl);
scriptEl = null;
};
global.document.documentElement.appendChild(scriptEl);
return handle;
};
};
}).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{}],41:[function(_dereq_,module,exports){
"use strict";
exports.test = function () {
return true;
};
exports.install = function (t) {
return function () {
setTimeout(t, 0);
};
};
},{}],42:[function(_dereq_,module,exports){
'use strict';
module.exports = function (func, emit, sum, log, isArray, toJSON) {
/*jshint evil: true */
return eval("'use strict'; (" + func + ");");
};
},{}],43:[function(_dereq_,module,exports){
(function (process,global){
'use strict';
var pouchCollate = _dereq_('pouchdb-collate');
var Promise = typeof global.Promise === 'function' ? global.Promise : _dereq_('lie');
var collate = pouchCollate.collate;
var evalFunc = _dereq_('./evalfunc');
var log = (typeof console !== 'undefined') ?
Function.prototype.bind.call(console.log, console) : function () {};
var processKey = function (key) {
// Stringify keys since we want them as map keys (see #35)
return JSON.stringify(pouchCollate.normalizeKey(key));
};
// This is the first implementation of a basic plugin, we register the
// plugin object with pouch and it is mixin'd to each database created
// (regardless of adapter), adapters can override plugins by providing
// their own implementation. functions on the plugin object that start
// with _ are reserved function that are called by pouchdb for special
// notifications.
// If we wanted to store incremental views we can do it here by listening
// to the changes feed (keeping track of our last update_seq between page loads)
// and storing the result of the map function (possibly using the upcoming
// extracted adapter functions)
function createKeysLookup(keys) {
// creates a lookup map for the given keys, so that doing
// query() with keys doesn't become an O(n * m) operation
// lookup values are typically integer indexes, but may
// map to a list of integers, since keys can be duplicated
var lookup = {};
for (var i = 0, len = keys.length; i < len; i++) {
var key = processKey(keys[i]);
var val = lookup[key];
if (typeof val === 'undefined') {
lookup[key] = i;
} else if (typeof val === 'number') {
lookup[key] = [val, i];
} else { // array
val.push(i);
}
}
return lookup;
}
function sortByIdAndValue(a, b) {
// sort by id, then value
var idCompare = collate(a.id, b.id);
return idCompare !== 0 ? idCompare : collate(a.value, b.value);
}
function addAtIndex(idx, result, prelimResults) {
var val = prelimResults[idx];
if (typeof val === 'undefined') {
prelimResults[idx] = result;
} else if (!Array.isArray(val)) {
// same key for multiple docs, need to preserve document order, so create array
prelimResults[idx] = [val, result];
} else { // existing array
val.push(result);
}
}
function sum(values) {
return values.reduce(function (a, b) {
return a + b;
}, 0);
}
var builtInReduce = {
"_sum": function (keys, values) {
return sum(values);
},
"_count": function (keys, values, rereduce) {
return values.length;
},
"_stats": function (keys, values) {
return {
'sum': sum(values),
'min': Math.min.apply(null, values),
'max': Math.max.apply(null, values),
'count': values.length,
'sumsqr': (function () {
var _sumsqr = 0;
var error;
for (var idx in values) {
if (typeof values[idx] === 'number') {
_sumsqr += values[idx] * values[idx];
} else {
error = new Error('builtin _stats function requires map values to be numbers');
error.name = 'invalid_value';
error.status = 500;
return error;
}
}
return _sumsqr;
})()
};
}
};
function addHttpParam(paramName, opts, params, asJson) {
// add an http param from opts to params, optionally json-encoded
var val = opts[paramName];
if (typeof val !== 'undefined') {
if (asJson) {
val = encodeURIComponent(JSON.stringify(val));
}
params.push(paramName + '=' + val);
}
}
function mapUsingKeys(inputResults, keys, keysLookup) {
// create a new results array from the given array,
// ensuring that the following conditions are respected:
// 1. docs are ordered by key, then doc id
// 2. docs can appear >1 time in the list, if their key is specified >1 time
// 3. keys can be unknown, in which case there's just a hole in the returned array
var prelimResults = new Array(keys.length);
inputResults.forEach(function (result) {
var idx = keysLookup[processKey(result.key)];
if (typeof idx === 'number') {
addAtIndex(idx, result, prelimResults);
} else { // array of indices
idx.forEach(function (subIdx) {
addAtIndex(subIdx, result, prelimResults);
});
}
});
// flatten the array, remove nulls, sort by doc ids
var outputResults = [];
prelimResults.forEach(function (result) {
if (Array.isArray(result)) {
outputResults = outputResults.concat(result.sort(sortByIdAndValue));
} else { // single result
outputResults.push(result);
}
});
return outputResults;
}
function viewQuery(db, fun, options) {
var origMap;
if (!options.skip) {
options.skip = 0;
}
if (!fun.reduce) {
options.reduce = false;
}
var results = [];
var current;
var num_started = 0;
var completed = false;
var keysLookup;
function emit(key, val) {
var viewRow = {
id: current.doc._id,
key: key,
value: val
};
if (typeof options.startkey !== 'undefined' && collate(key, options.startkey) < 0) {
return;
}
if (typeof options.endkey !== 'undefined' && collate(key, options.endkey) > 0) {
return;
}
if (typeof options.key !== 'undefined' && collate(key, options.key) !== 0) {
return;
}
if (typeof options.keys !== 'undefined') {
keysLookup = keysLookup || createKeysLookup(options.keys);
if (typeof keysLookup[processKey(key)] === 'undefined') {
return;
}
}
num_started++;
if (options.include_docs) {
//in this special case, join on _id (issue #106)
if (val && typeof val === 'object' && val._id) {
db.get(val._id,
function (_, joined_doc) {
if (joined_doc) {
viewRow.doc = joined_doc;
}
results.push(viewRow);
checkComplete();
});
return;
} else {
viewRow.doc = current.doc;
}
}
results.push(viewRow);
}
if (typeof fun.map === "function" && fun.map.length === 2) {
//save a reference to it
origMap = fun.map;
fun.map = function (doc) {
//call it with the emit as the second argument
return origMap(doc, emit);
};
} else {
// ugly way to make sure references to 'emit' in map/reduce bind to the
// above emit
fun.map = evalFunc(fun.map.toString(), emit, sum, log, Array.isArray, JSON.parse);
}
if (fun.reduce) {
if (builtInReduce[fun.reduce]) {
fun.reduce = builtInReduce[fun.reduce];
} else {
fun.reduce = evalFunc(fun.reduce.toString(), emit, sum, log, Array.isArray, JSON.parse);
}
}
//only proceed once all documents are mapped and joined
function checkComplete() {
var error;
if (completed && results.length === num_started) {
if (typeof options.keys !== 'undefined' && results.length) {
// user supplied a keys param, sort by keys
results = mapUsingKeys(results, options.keys, keysLookup);
} else { // normal sorting
results.sort(function (a, b) {
// sort by key, then id
var keyCollate = collate(a.key, b.key);
return keyCollate !== 0 ? keyCollate : collate(a.id, b.id);
});
}
if (options.descending) {
results.reverse();
}
if (options.reduce === false) {
return options.complete(null, {
total_rows: results.length,
offset: options.skip,
rows: ('limit' in options) ? results.slice(options.skip, options.limit + options.skip) :
(options.skip > 0) ? results.slice(options.skip) : results
});
}
var groups = [];
results.forEach(function (e) {
var last = groups[groups.length - 1];
if (last && collate(last.key[0][0], e.key) === 0) {
last.key.push([e.key, e.id]);
last.value.push(e.value);
return;
}
groups.push({key: [
[e.key, e.id]
], value: [e.value]});
});
groups.forEach(function (e) {
e.value = fun.reduce.call(null, e.key, e.value);
if (e.value.sumsqr && e.value.sumsqr instanceof Error) {
error = e.value;
return;
}
e.key = e.key[0][0];
});
if (error) {
options.complete(error);
return;
}
options.complete(null, {
total_rows: groups.length,
offset: options.skip,
rows: ('limit' in options) ? groups.slice(options.skip, options.limit + options.skip) :
(options.skip > 0) ? groups.slice(options.skip) : groups
});
}
}
db.changes({
conflicts: true,
include_docs: true,
onChange: function (doc) {
if (!('deleted' in doc) && doc.id[0] !== "_") {
current = {doc: doc.doc};
fun.map.call(null, doc.doc);
}
},
complete: function () {
completed = true;
checkComplete();
}
});
}
function httpQuery(db, fun, opts) {
var callback = opts.complete;
// List of parameters to add to the PUT request
var params = [];
var body;
var method = 'GET';
// If opts.reduce exists and is defined, then add it to the list
// of parameters.
// If reduce=false then the results are that of only the map function
// not the final result of map and reduce.
addHttpParam('reduce', opts, params);
addHttpParam('include_docs', opts, params);
addHttpParam('limit', opts, params);
addHttpParam('descending', opts, params);
addHttpParam('group', opts, params);
addHttpParam('group_level', opts, params);
addHttpParam('skip', opts, params);
addHttpParam('startkey', opts, params, true);
addHttpParam('endkey', opts, params, true);
addHttpParam('key', opts, params, true);
// If keys are supplied, issue a POST request to circumvent GET query string limits
// see http://wiki.apache.org/couchdb/HTTP_view_API#Querying_Options
if (typeof opts.keys !== 'undefined') {
method = 'POST';
if (typeof fun === 'string') {
body = JSON.stringify({keys: opts.keys});
} else { // fun is {map : mapfun}, so append to this
fun.keys = opts.keys;
}
}
// Format the list of parameters into a valid URI query string
params = params.join('&');
params = params === '' ? '' : '?' + params;
// We are referencing a query defined in the design doc
if (typeof fun === 'string') {
var parts = fun.split('/');
db.request({
method: method,
url: '_design/' + parts[0] + '/_view/' + parts[1] + params,
body: body
}, callback);
return;
}
// We are using a temporary view, terrible for performance but good for testing
var queryObject = JSON.parse(JSON.stringify(fun, function (key, val) {
if (typeof val === 'function') {
return val + ''; // implicitly `toString` it
}
return val;
}));
db.request({
method: 'POST',
url: '_temp_view' + params,
body: queryObject
}, callback);
}
exports.query = function (fun, opts, callback) {
var db = this;
if (typeof opts === 'function') {
callback = opts;
opts = {};
}
opts = opts || {};
if (callback) {
opts.complete = callback;
}
var tempCB = opts.complete;
var realCB;
if (opts.complete) {
realCB = function (err, resp) {
process.nextTick(function () {
tempCB(err, resp);
});
};
}
var promise = new Promise(function (resolve, reject) {
opts.complete = function (err, data) {
if (err) {
reject(err);
} else {
resolve(data);
}
};
if (db.type() === 'http') {
if (typeof fun === 'function') {
return httpQuery(db, {map: fun}, opts);
}
return httpQuery(db, fun, opts);
}
if (typeof fun === 'object') {
return viewQuery(db, fun, opts);
}
if (typeof fun === 'function') {
return viewQuery(db, {map: fun}, opts);
}
var parts = fun.split('/');
db.get('_design/' + parts[0], function (err, doc) {
if (err) {
opts.complete(err);
return;
}
if (!doc.views[parts[1]]) {
opts.complete({ name: 'not_found', message: 'missing_named_view' });
return;
}
viewQuery(db, {
map: doc.views[parts[1]].map,
reduce: doc.views[parts[1]].reduce
}, opts);
});
});
if (realCB) {
promise.then(function (resp) {
realCB(null, resp);
}, realCB);
}
return promise;
};
}).call(this,_dereq_("/Users/tom/Projects/src/node/pouchdb/node_modules/browserify/node_modules/insert-module-globals/node_modules/process/browser.js"),typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"./evalfunc":42,"/Users/tom/Projects/src/node/pouchdb/node_modules/browserify/node_modules/insert-module-globals/node_modules/process/browser.js":23,"lie":44,"pouchdb-collate":52}],44:[function(_dereq_,module,exports){
'use strict';
var immediate = _dereq_('immediate');
var isDefineProp = false;
// prevents deoptimization
(function(){
try {
Object.defineProperty({}, 'test', {value:true});
isDefineProp = true;
}catch(e){}
}());
function defineNonEnum(obj, name, value){
if(isDefineProp){
Object.defineProperty(obj, name, {
value: value,
configurable: true,
writable: true
});
}else{
obj[name] = value;
}
}
function Promise(resolver) {
if (!(this instanceof Promise)) {
return new Promise(resolver);
}
defineNonEnum(this, 'successQueue', []);
defineNonEnum(this, 'failureQueue', []);
defineNonEnum(this, 'resolved', false);
if(typeof resolver === 'function'){
this.resolvePassed(resolver);
}
}
defineNonEnum(Promise.prototype, 'resolvePassed', function(resolver){
try{
resolver(this.fulfillUnwrap.bind(this),this.reject.bind(this));
}catch(e){
this.reject(e);
}
});
defineNonEnum(Promise.prototype, 'reject', function(reason){
this.resolve(false,reason);
});
defineNonEnum(Promise.prototype, 'fulfill', function(value){
this.resolve(true,value);
});
defineNonEnum(Promise.prototype, 'fulfillUnwrap', function(value){
unwrap(this.fulfill.bind(this), this.reject.bind(this), value);
});
Promise.prototype.then = function(onFulfilled, onRejected) {
if(this.resolved){
return this.resolved(onFulfilled, onRejected);
} else {
return this.pending(onFulfilled, onRejected);
}
};
(function(){
try {
Promise.prototype['catch'] = function(onRejected) {
return this.then(null, onRejected);
};
} catch(e){}
}());
defineNonEnum(Promise.prototype, 'pending', function(onFulfilled, onRejected){
var self = this;
return new Promise(function(success,failure){
if(typeof onFulfilled === 'function'){
self.successQueue.push({
resolve: success,
reject: failure,
callback:onFulfilled
});
}else{
self.successQueue.push({
next: success,
callback:false
});
}
if(typeof onRejected === 'function'){
self.failureQueue.push({
resolve: success,
reject: failure,
callback:onRejected
});
}else{
self.failureQueue.push({
next: failure,
callback:false
});
}
});
});
defineNonEnum(Promise.prototype, 'resolve', function (success, value){
if(this.resolved){
return;
}
this.resolved = createResolved(this, value, success?0:1);
var queue = success ? this.successQueue : this.failureQueue;
var len = queue.length;
var i = -1;
while(++i < len) {
if (queue[i].callback) {
immediate(execute,queue[i].callback, value, queue[i].resolve, queue[i].reject);
}else {
queue[i].next(value);
}
}
});
function unwrap(fulfill, reject, value){
if(value && typeof value.then==='function'){
value.then(fulfill,reject);
}else{
fulfill(value);
}
}
function createResolved(scope, value, whichArg) {
function resolved() {
var callback = arguments[whichArg];
if (typeof callback !== 'function') {
return scope;
}else{
return new Promise(function(resolve,reject){
immediate(execute,callback,value,resolve,reject);
});
}
}
return resolved;
}
function execute(callback, value, resolve, reject) {
try {
unwrap(resolve,reject,callback(value));
} catch (error) {
reject(error);
}
}
module.exports = Promise;
},{"immediate":46}],45:[function(_dereq_,module,exports){
module.exports=_dereq_(35)
},{}],46:[function(_dereq_,module,exports){
module.exports=_dereq_(36)
},{"./messageChannel":47,"./mutation":48,"./nextTick":45,"./postMessage":49,"./stateChange":50,"./timeout":51}],47:[function(_dereq_,module,exports){
module.exports=_dereq_(37)
},{}],48:[function(_dereq_,module,exports){
module.exports=_dereq_(38)
},{}],49:[function(_dereq_,module,exports){
module.exports=_dereq_(39)
},{}],50:[function(_dereq_,module,exports){
module.exports=_dereq_(40)
},{}],51:[function(_dereq_,module,exports){
module.exports=_dereq_(41)
},{}],52:[function(_dereq_,module,exports){
'use strict';
exports.collate = function (a, b) {
a = exports.normalizeKey(a);
b = exports.normalizeKey(b);
var ai = collationIndex(a);
var bi = collationIndex(b);
if ((ai - bi) !== 0) {
return ai - bi;
}
if (a === null) {
return 0;
}
if (typeof a === 'number') {
return a - b;
}
if (typeof a === 'boolean') {
return a === b ? 0 : (a < b ? -1 : 1);
}
if (typeof a === 'string') {
return stringCollate(a, b);
}
if (Array.isArray(a)) {
return arrayCollate(a, b);
}
if (typeof a === 'object') {
return objectCollate(a, b);
}
}
// couch considers null/NaN/Infinity/-Infinity === undefined,
// for the purposes of mapreduce indexes. also, dates get stringified.
exports.normalizeKey = function (key) {
if (typeof key === 'undefined') {
return null;
} else if (typeof key === 'number') {
if (key === Infinity || key === -Infinity || isNaN(key)) {
return null;
}
} else if (key instanceof Date) {
return key.toJSON();
}
return key;
}
function arrayCollate(a, b) {
var len = Math.min(a.length, b.length);
for (var i = 0; i < len; i++) {
var sort = exports.collate(a[i], b[i]);
if (sort !== 0) {
return sort;
}
}
return (a.length === b.length) ? 0 :
(a.length > b.length) ? 1 : -1;
}
function stringCollate(a, b) {
// See: https://github.com/daleharvey/pouchdb/issues/40
// This is incompatible with the CouchDB implementation, but its the
// best we can do for now
return (a === b) ? 0 : ((a > b) ? 1 : -1);
}
function objectCollate(a, b) {
var ak = Object.keys(a), bk = Object.keys(b);
var len = Math.min(ak.length, bk.length);
for (var i = 0; i < len; i++) {
// First sort the keys
var sort = exports.collate(ak[i], bk[i]);
if (sort !== 0) {
return sort;
}
// if the keys are equal sort the values
sort = exports.collate(a[ak[i]], b[bk[i]]);
if (sort !== 0) {
return sort;
}
}
return (ak.length === bk.length) ? 0 :
(ak.length > bk.length) ? 1 : -1;
}
// The collation is defined by erlangs ordered terms
// the atoms null, true, false come first, then numbers, strings,
// arrays, then objects
// null/undefined/NaN/Infinity/-Infinity are all considered null
function collationIndex(x) {
var id = ['boolean', 'number', 'string', 'object'];
if (id.indexOf(typeof x) !== -1) {
if (x === null) {
return 1;
}
return id.indexOf(typeof x) + 2;
}
if (Array.isArray(x)) {
return 4.5;
}
}
},{}],53:[function(_dereq_,module,exports){
module.exports={
"name": "pouchdb",
"version": "2.0.2-alpha",
"description": "PouchDB is a pocket-sized database.",
"release": "nightly",
"main": "./lib/index.js",
"homepage": "https://github.com/daleharvey/pouchdb",
"repository": "https://github.com/daleharvey/pouchdb",
"keywords": [
"db",
"couchdb",
"pouchdb"
],
"tags": [
"db",
"couchdb",
"pouchdb"
],
"dependencies": {
"bluebird": "~1.0.0",
"inherits": "~2.0.1",
"level-js": "~2.0.0",
"level-sublevel": "~5.2.0",
"leveldown": "~0.10.2",
"levelup": "~0.18.2",
"lie": "^2.6.0",
"pouchdb-mapreduce": "1.0.0",
"request": "~2.28.0"
},
"devDependencies": {
"commander": "~2.1.0",
"watchify": "~0.4.1",
"uglify-js": "~2.4.6",
"jshint": "~2.3.0",
"http-proxy": "~0.10.3",
"corsproxy": "~0.2.13",
"http-server": "~0.5.5",
"browserify": "~3.24.13",
"wd": "~0.2.8",
"tin": "~0.4.0",
"mocha": "~1.17.1",
"chai": "~1.9.0",
"istanbul": "~0.2.4",
"ncp": "~0.5.0",
"sauce-connect-launcher": "0.2.2",
"less": "~1.7.0",
"bower": "~1.2.8"
},
"scripts": {
"jshint": "jshint -c .jshintrc bin/ lib/ tests/*.js",
"build-js": "./bin/build-js.sh",
"build": "mkdir -p dist && npm run build-js",
"test-node": "./bin/run-mocha.sh",
"test-browser": "mkdir -p dist && npm run build-js && ./bin/test-browser.js",
"dev": "./bin/dev-server.js",
"test": "npm run jshint && ./bin/run-test.sh",
"publish": "./bin/publish.sh",
"publish-site": "./bin/publish-site.sh",
"build-site": "./bin/build-site.sh",
"shell": "./bin/repl.js"
},
"browser": {
"./deps/buffer": false,
"request": false,
"leveldown": "level-js",
"bluebird": "lie"
}
}
},{}]},{},[13])
(13)
});
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