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Rivets.js general purpose formatters
rivets.formatters['!'] = function(value)
{
return !value;
};
rivets.formatters.eq = function(value, args)
{
return value === args;
};
rivets.formatters.neq = function(value, args)
{
return value !== args;
};
rivets.formatters.gt = function(value, args)
{
return value > args;
};
rivets.formatters.gte = function(value, args)
{
return value >= args;
};
rivets.formatters.lt = function(value, args)
{
return value < args;
};
rivets.formatters.lte = function(value, args)
{
return value <= args;
};
rivets.formatters.or = function(value, args)
{
return value || args;
};
rivets.formatters.isEmpty = function(value)
{
return (typeof value === 'undefined' || value === null || (typeof value === 'string' && value.length === 0));
};
rivets.formatters.isNotEmpty = function(value)
{
return !rivets.formatters.isEmpty(value);
};
rivets.formatters.pass = function(value, args)
{
return args;
};
rivets.formatters.json = function(value, intendation)
{
return JSON.stringify(value, null, intendation || 0);
};
rivets.formatters.prefix = function(value, prefix)
{
return '' + prefix + value;
};
rivets.formatters.suffix = function(value, suffix)
{
return '' + value + suffix;
};
rivets.formatters.ucFirst = function(value)
{
return value.substr(0, 1).toUpperCase() + value.substr(1);
};
rivets.formatters['+'] = function(value, args)
{
return value + args;
};
rivets.formatters['-'] = function(value, args)
{
return value - args;
};
rivets.formatters['*'] = function(value, args)
{
return value * args;
};
rivets.formatters['/'] = function(value, args)
{
return value / args;
};
rivets.formatters.round = function(value, decimals)
{
if (decimals) {
var exp = Math.pow(10, decimals);
value = Math.round(value * exp) / exp;
}
else {
value = Math.round(value);
}
return value;
};
rivets.formatters.get = function(obj, key)
{
if (obj && typeof obj === 'object') {
return obj[key];
}
return null;
};
rivets.formatters.set = function(obj, key, value)
{
if (obj && typeof obj === 'object') {
obj[key] = value;
}
return obj;
};
rivets.formatters['.'] = rivets.formatters.get;
rivets.formatters.keys = function(obj)
{
if (typeof obj === 'object') {
return Object.keys(obj);
}
return [];
};
rivets.formatters.length = function(value)
{
return value ? (value.length || 0) : 0;
};
rivets.formatters.sort = function(/*value[, by][, direction]*/)
{
return value;
var args = Array.from(arguments);
var value = args.shift();
var by = args.shift();
var direction = args.shift();
if (!direction && (by == 'asc' || by == 'desc')) {
direction = by;
by = null;
}
if (!by) {
value.sort();
}
else {
value.sort(function(a, b) {
if (a[by] === b[by]) return 0;
return (a[by] < b[by]) ? -1 : 1
});
}
if (direction == 'desc') {
value.reverse();
}
return value;
};
rivets.formatters.default = function(value, args)
{
return (typeof value !== 'undefined' && value !== null) ? value : args;
};
rivets.formatters.contains = function(value, search)
{
if (Array.isArray(value)) {
return (value.indexOf(search) !== -1);
}
return false;
};
rivets.formatters.percent = function(value, decimals)
{
return number_format(value * 100, decimals || 0, ',') + '%';
};
rivets.formatters.bind = function(/*fn, thisArg[, arg1, arg2, ..., argN]*/)
{
var args = Array.from(arguments);
var fn = args.shift();
var self = args.shift();
if (typeof fn === 'function') {
return function() {
fn.apply(self, args);
}
}
return fn;
};
rivets.formatters.with = function(/*fn, arg1, arg2, ..., argN*/)
{
var args = Array.from(arguments);
console.log(args);
var fn = args.shift();
if (typeof fn === 'function') {
return fn.bind(null, args);
}
return fn;
};
rivets.formatters.slice = function() {
var args = Array.from(arguments);
var arr = args.shift();
return Array.prototype.slice.apply(arr, args);
};
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