handlebars.runtime.js

/* exported Handlebars */
(function (root, factory) {
  if (typeof define === 'function' && define.amd) {
    define([], factory);
  } else if (typeof exports === 'object') {
    module.exports = factory();
  } else {
    root.Handlebars = root.Handlebars || factory();
  }
}(this, function () {
// handlebars/safe-string.js
var __module3__ = (function() {
  "use strict";
  var __exports__;
  // Build out our basic SafeString type
  function SafeString(string) {
    this.string = string;
  }

  SafeString.prototype.toString = SafeString.prototype.toHTML = function() {
    return "" + this.string;
  };

  __exports__ = SafeString;
  return __exports__;
})();

// handlebars/utils.js
var __module2__ = (function(__dependency1__) {
  "use strict";
  var __exports__ = {};
  /*jshint -W004 */
  var SafeString = __dependency1__;

  var escape = {
    "&": "&",
    "<": "&lt;",
    ">": "&gt;",
    '"': "&quot;",
    "'": "&#x27;",
    "`": "&#x60;"
  };

  var badChars = /[&<>"'`]/g;
  var possible = /[&<>"'`]/;

  function escapeChar(chr) {
    return escape[chr];
  }

  function extend(obj /* , ...source */) {
    for (var i = 1; i < arguments.length; i++) {
      for (var key in arguments[i]) {
        if (Object.prototype.hasOwnProperty.call(arguments[i], key)) {
          obj[key] = arguments[i][key];
        }
      }
    }

    return obj;
  }

  __exports__.extend = extend;var toString = Object.prototype.toString;
  __exports__.toString = toString;
  // Sourced from lodash
  // https://github.com/bestiejs/lodash/blob/master/LICENSE.txt
  var isFunction = function(value) {
    return typeof value === 'function';
  };
  // fallback for older versions of Chrome and Safari
  /* istanbul ignore next */
  if (isFunction(/x/)) {
    isFunction = function(value) {
      return typeof value === 'function' && toString.call(value) === '[object Function]';
    };
  }
  var isFunction;
  __exports__.isFunction = isFunction;
  /* istanbul ignore next */
  var isArray = Array.isArray || function(value) {
    return (value && typeof value === 'object') ? toString.call(value) === '[object Array]' : false;
  };
  __exports__.isArray = isArray;

  function escapeExpression(string) {
    // don't escape SafeStrings, since they're already safe
    if (string && string.toHTML) {
      return string.toHTML();
    } else if (string == null) {
      return "";
    } else if (!string) {
      return string + '';
    }

    // Force a string conversion as this will be done by the append regardless and
    // the regex test will do this transparently behind the scenes, causing issues if
    // an object's to string has escaped characters in it.
    string = "" + string;

    if(!possible.test(string)) { return string; }
    return string.replace(badChars, escapeChar);
  }

  __exports__.escapeExpression = escapeExpression;function isEmpty(value) {
    if (!value && value !== 0) {
      return true;
    } else if (isArray(value) && value.length === 0) {
      return true;
    } else {
      return false;
    }
  }

  __exports__.isEmpty = isEmpty;function appendContextPath(contextPath, id) {
    return (contextPath ? contextPath + '.' : '') + id;
  }

  __exports__.appendContextPath = appendContextPath;
  return __exports__;
})(__module3__);

// handlebars/exception.js
var __module4__ = (function() {
  "use strict";
  var __exports__;

  var errorProps = ['description', 'fileName', 'lineNumber', 'message', 'name', 'number', 'stack'];

  function Exception(message, node) {
    var line;
    if (node && node.firstLine) {
      line = node.firstLine;

      message += ' - ' + line + ':' + node.firstColumn;
    }

    var tmp = Error.prototype.constructor.call(this, message);

    // Unfortunately errors are not enumerable in Chrome (at least), so `for prop in tmp` doesn't work.
    for (var idx = 0; idx < errorProps.length; idx++) {
      this[errorProps[idx]] = tmp[errorProps[idx]];
    }

    if (line) {
      this.lineNumber = line;
      this.column = node.firstColumn;
    }
  }

  Exception.prototype = new Error();

  __exports__ = Exception;
  return __exports__;
})();

// handlebars/base.js
var __module1__ = (function(__dependency1__, __dependency2__) {
  "use strict";
  var __exports__ = {};
  var Utils = __dependency1__;
  var Exception = __dependency2__;

  var VERSION = "2.0.0";
  __exports__.VERSION = VERSION;var COMPILER_REVISION = 6;
  __exports__.COMPILER_REVISION = COMPILER_REVISION;
  var REVISION_CHANGES = {
    1: '<= 1.0.rc.2', // 1.0.rc.2 is actually rev2 but doesn't report it
    2: '== 1.0.0-rc.3',
    3: '== 1.0.0-rc.4',
    4: '== 1.x.x',
    5: '== 2.0.0-alpha.x',
    6: '>= 2.0.0-beta.1'
  };
  __exports__.REVISION_CHANGES = REVISION_CHANGES;
  var isArray = Utils.isArray,
      isFunction = Utils.isFunction,
      toString = Utils.toString,
      objectType = '[object Object]';

  function HandlebarsEnvironment(helpers, partials) {
    this.helpers = helpers || {};
    this.partials = partials || {};

    registerDefaultHelpers(this);
  }

  __exports__.HandlebarsEnvironment = HandlebarsEnvironment;HandlebarsEnvironment.prototype = {
    constructor: HandlebarsEnvironment,

    logger: logger,
    log: log,

    registerHelper: function(name, fn) {
      if (toString.call(name) === objectType) {
        if (fn) { throw new Exception('Arg not supported with multiple helpers'); }
        Utils.extend(this.helpers, name);
      } else {
        this.helpers[name] = fn;
      }
    },
    unregisterHelper: function(name) {
      delete this.helpers[name];
    },

    registerPartial: function(name, partial) {
      if (toString.call(name) === objectType) {
        Utils.extend(this.partials,  name);
      } else {
        if (typeof partial === 'undefined') {
          throw new Exception('Attempting to register a partial as undefined');
        }
        this.partials[name] = partial;
      }
    },
    unregisterPartial: function(name) {
      delete this.partials[name];
    }
  };

  function registerDefaultHelpers(instance) {
    instance.registerHelper('helperMissing', function(/* [args, ]options */) {
      if(arguments.length === 1) {
        // A missing field in a {{foo}} constuct.
        return undefined;
      } else {
        // Someone is actually trying to call something, blow up.
        throw new Exception("Missing helper: '" + arguments[arguments.length-1].name + "'");
      }
    });

    instance.registerHelper('blockHelperMissing', function(context, options) {
      var inverse = options.inverse,
          fn = options.fn;

      if(context === true) {
        return fn(this);
      } else if(context === false || context == null) {
        return inverse(this);
      } else if (isArray(context)) {
        if(context.length > 0) {
          if (options.ids) {
            options.ids = [options.name];
          }

          return instance.helpers.each(context, options);
        } else {
          return inverse(this);
        }
      } else {
        if (options.data && options.ids) {
          var data = createFrame(options.data);
          data.contextPath = Utils.appendContextPath(options.data.contextPath, options.name);
          options = {data: data};
        }

        return fn(context, options);
      }
    });

    instance.registerHelper('each', function(context, options) {
      if (!options) {
        throw new Exception('Must pass iterator to #each');
      }

      var fn = options.fn, inverse = options.inverse;
      var i = 0, ret = "", data;

      var contextPath;
      if (options.data && options.ids) {
        contextPath = Utils.appendContextPath(options.data.contextPath, options.ids[0]) + '.';
      }

      if (isFunction(context)) { context = context.call(this); }

      if (options.data) {
        data = createFrame(options.data);
      }

      if(context && typeof context === 'object') {
        if (isArray(context)) {
          for(var j = context.length; i<j; i++) {
            if (data) {
              data.index = i;
              data.first = (i === 0);
              data.last  = (i === (context.length-1));

              if (contextPath) {
                data.contextPath = contextPath + i;
              }
            }
            ret = ret + fn(context[i], { data: data });
          }
        } else {
          for(var key in context) {
            if(context.hasOwnProperty(key)) {
              if(data) {
                data.key = key;
                data.index = i;
                data.first = (i === 0);

                if (contextPath) {
                  data.contextPath = contextPath + key;
                }
              }
              ret = ret + fn(context[key], {data: data});
              i++;
            }
          }
        }
      }

      if(i === 0){
        ret = inverse(this);
      }

      return ret;
    });

    instance.registerHelper('if', function(conditional, options) {
      if (isFunction(conditional)) { conditional = conditional.call(this); }

      // Default behavior is to render the positive path if the value is truthy and not empty.
      // The `includeZero` option may be set to treat the condtional as purely not empty based on the
      // behavior of isEmpty. Effectively this determines if 0 is handled by the positive path or negative.
      if ((!options.hash.includeZero && !conditional) || Utils.isEmpty(conditional)) {
        return options.inverse(this);
      } else {
        return options.fn(this);
      }
    });

    instance.registerHelper('unless', function(conditional, options) {
      return instance.helpers['if'].call(this, conditional, {fn: options.inverse, inverse: options.fn, hash: options.hash});
    });

    instance.registerHelper('with', function(context, options) {
      if (isFunction(context)) { context = context.call(this); }

      var fn = options.fn;

      if (!Utils.isEmpty(context)) {
        if (options.data && options.ids) {
          var data = createFrame(options.data);
          data.contextPath = Utils.appendContextPath(options.data.contextPath, options.ids[0]);
          options = {data:data};
        }

        return fn(context, options);
      } else {
        return options.inverse(this);
      }
    });

    instance.registerHelper('log', function(message, options) {
      var level = options.data && options.data.level != null ? parseInt(options.data.level, 10) : 1;
      instance.log(level, message);
    });

    instance.registerHelper('lookup', function(obj, field) {
      return obj && obj[field];
    });
  }

  var logger = {
    methodMap: { 0: 'debug', 1: 'info', 2: 'warn', 3: 'error' },

    // State enum
    DEBUG: 0,
    INFO: 1,
    WARN: 2,
    ERROR: 3,
    level: 3,

    // Can be overridden in the host environment
    log: function(level, message) {
      if (logger.level <= level) {
        var method = logger.methodMap[level];
        if (typeof console !== 'undefined' && console[method]) {
          console[method].call(console, message);
        }
      }
    }
  };
  __exports__.logger = logger;
  var log = logger.log;
  __exports__.log = log;
  var createFrame = function(object) {
    var frame = Utils.extend({}, object);
    frame._parent = object;
    return frame;
  };
  __exports__.createFrame = createFrame;
  return __exports__;
})(__module2__, __module4__);

// handlebars/runtime.js
var __module5__ = (function(__dependency1__, __dependency2__, __dependency3__) {
  "use strict";
  var __exports__ = {};
  var Utils = __dependency1__;
  var Exception = __dependency2__;
  var COMPILER_REVISION = __dependency3__.COMPILER_REVISION;
  var REVISION_CHANGES = __dependency3__.REVISION_CHANGES;
  var createFrame = __dependency3__.createFrame;

  function checkRevision(compilerInfo) {
    var compilerRevision = compilerInfo && compilerInfo[0] || 1,
        currentRevision = COMPILER_REVISION;

    if (compilerRevision !== currentRevision) {
      if (compilerRevision < currentRevision) {
        var runtimeVersions = REVISION_CHANGES[currentRevision],
            compilerVersions = REVISION_CHANGES[compilerRevision];
        throw new Exception("Template was precompiled with an older version of Handlebars than the current runtime. "+
              "Please update your precompiler to a newer version ("+runtimeVersions+") or downgrade your runtime to an older version ("+compilerVersions+").");
      } else {
        // Use the embedded version info since the runtime doesn't know about this revision yet
        throw new Exception("Template was precompiled with a newer version of Handlebars than the current runtime. "+
              "Please update your runtime to a newer version ("+compilerInfo[1]+").");
      }
    }
  }

  __exports__.checkRevision = checkRevision;// TODO: Remove this line and break up compilePartial

  function template(templateSpec, env) {
    /* istanbul ignore next */
    if (!env) {
      throw new Exception("No environment passed to template");
    }
    if (!templateSpec || !templateSpec.main) {
      throw new Exception('Unknown template object: ' + typeof templateSpec);
    }

    // Note: Using env.VM references rather than local var references throughout this section to allow
    // for external users to override these as psuedo-supported APIs.
    env.VM.checkRevision(templateSpec.compiler);

    var invokePartialWrapper = function(partial, indent, name, context, hash, helpers, partials, data, depths) {
      if (hash) {
        context = Utils.extend({}, context, hash);
      }

      var result = env.VM.invokePartial.call(this, partial, name, context, helpers, partials, data, depths);

      if (result == null && env.compile) {
        var options = { helpers: helpers, partials: partials, data: data, depths: depths };
        partials[name] = env.compile(partial, { data: data !== undefined, compat: templateSpec.compat }, env);
        result = partials[name](context, options);
      }
      if (result != null) {
        if (indent) {
          var lines = result.split('\n');
          for (var i = 0, l = lines.length; i < l; i++) {
            if (!lines[i] && i + 1 === l) {
              break;
            }

            lines[i] = indent + lines[i];
          }
          result = lines.join('\n');
        }
        return result;
      } else {
        throw new Exception("The partial " + name + " could not be compiled when running in runtime-only mode");
      }
    };

    // Just add water
    var container = {
      lookup: function(depths, name) {
        var len = depths.length;
        for (var i = 0; i < len; i++) {
          if (depths[i] && depths[i][name] != null) {
            return depths[i][name];
          }
        }
      },
      lambda: function(current, context) {
        return typeof current === 'function' ? current.call(context) : current;
      },

      escapeExpression: Utils.escapeExpression,
      invokePartial: invokePartialWrapper,

      fn: function(i) {
        return templateSpec[i];
      },

      programs: [],
      program: function(i, data, depths) {
        var programWrapper = this.programs[i],
            fn = this.fn(i);
        if (data || depths) {
          programWrapper = program(this, i, fn, data, depths);
        } else if (!programWrapper) {
          programWrapper = this.programs[i] = program(this, i, fn);
        }
        return programWrapper;
      },

      data: function(data, depth) {
        while (data && depth--) {
          data = data._parent;
        }
        return data;
      },
      merge: function(param, common) {
        var ret = param || common;

        if (param && common && (param !== common)) {
          ret = Utils.extend({}, common, param);
        }

        return ret;
      },

      noop: env.VM.noop,
      compilerInfo: templateSpec.compiler
    };

    var ret = function(context, options) {
      options = options || {};
      var data = options.data;

      ret._setup(options);
      if (!options.partial && templateSpec.useData) {
        data = initData(context, data);
      }
      var depths;
      if (templateSpec.useDepths) {
        depths = options.depths ? [context].concat(options.depths) : [context];
      }

      return templateSpec.main.call(container, context, container.helpers, container.partials, data, depths);
    };
    ret.isTop = true;

    ret._setup = function(options) {
      if (!options.partial) {
        container.helpers = container.merge(options.helpers, env.helpers);

        if (templateSpec.usePartial) {
          container.partials = container.merge(options.partials, env.partials);
        }
      } else {
        container.helpers = options.helpers;
        container.partials = options.partials;
      }
    };

    ret._child = function(i, data, depths) {
      if (templateSpec.useDepths && !depths) {
        throw new Exception('must pass parent depths');
      }

      return program(container, i, templateSpec[i], data, depths);
    };
    return ret;
  }

  __exports__.template = template;function program(container, i, fn, data, depths) {
    var prog = function(context, options) {
      options = options || {};

      return fn.call(container, context, container.helpers, container.partials, options.data || data, depths && [context].concat(depths));
    };
    prog.program = i;
    prog.depth = depths ? depths.length : 0;
    return prog;
  }

  __exports__.program = program;function invokePartial(partial, name, context, helpers, partials, data, depths) {
    var options = { partial: true, helpers: helpers, partials: partials, data: data, depths: depths };

    if(partial === undefined) {
      throw new Exception("The partial " + name + " could not be found");
    } else if(partial instanceof Function) {
      return partial(context, options);
    }
  }

  __exports__.invokePartial = invokePartial;function noop() { return ""; }

  __exports__.noop = noop;function initData(context, data) {
    if (!data || !('root' in data)) {
      data = data ? createFrame(data) : {};
      data.root = context;
    }
    return data;
  }
  return __exports__;
})(__module2__, __module4__, __module1__);

// handlebars.runtime.js
var __module0__ = (function(__dependency1__, __dependency2__, __dependency3__, __dependency4__, __dependency5__) {
  "use strict";
  var __exports__;
  /*globals Handlebars: true */
  var base = __dependency1__;

  // Each of these augment the Handlebars object. No need to setup here.
  // (This is done to easily share code between commonjs and browse envs)
  var SafeString = __dependency2__;
  var Exception = __dependency3__;
  var Utils = __dependency4__;
  var runtime = __dependency5__;

  // For compatibility and usage outside of module systems, make the Handlebars object a namespace
  var create = function() {
    var hb = new base.HandlebarsEnvironment();

    Utils.extend(hb, base);
    hb.SafeString = SafeString;
    hb.Exception = Exception;
    hb.Utils = Utils;
    hb.escapeExpression = Utils.escapeExpression;

    hb.VM = runtime;
    hb.template = function(spec) {
      return runtime.template(spec, hb);
    };

    return hb;
  };

  var Handlebars = create();
  Handlebars.create = create;

  Handlebars['default'] = Handlebars;

  __exports__ = Handlebars;
  return __exports__;
})(__module1__, __module3__, __module4__, __module2__, __module5__);

  return __module0__;
}));

map.handlebars

Here

{{#each foo}}
  A

  {{bar}}
  {{throw}}

  {{#each bar}}
    B
  {{/each}}
{{/each}}

other.handlebars

Foo

{{bar}}

Baz

precompile.js

(function() {
  var template = Handlebars.template, templates = Handlebars.templates = Handlebars.templates || {};
templates['map'] = template({"1":function(depth0,helpers,partials,data) {
    var stack1, helper, functionType="function", helperMissing=helpers.helperMissing, escapeExpression=this.escapeExpression;
  
  return "  A\n\n  "
    + escapeExpression(((helper = (helper = helpers.bar || (depth0 != null ? depth0.bar : depth0)) != null ? helper : helperMissing),(typeof helper === functionType ? helper.call(depth0,{"name":"bar","hash":{},"data":data}) : helper)))
    + "\n  "
    + escapeExpression(((helper = (helper = helpers['throw'] || (depth0 != null ? depth0['throw'] : depth0)) != null ? helper : helperMissing),(typeof helper === functionType ? helper.call(depth0,{"name":"throw","hash":{},"data":data}) : helper)))
    + "\n\n"
    + ((stack1 = helpers.each.call(depth0,(depth0 != null ? depth0.bar : depth0),{"name":"each","hash":{},"fn":this.program(2, data),"inverse":this.noop,"data":data})) != null ? stack1 : "");
},"2":function(depth0,helpers,partials,data) {
    return "    B\n";
  return "";
},"compiler":[6,">= 2.0.0-beta.1"],"main":function(depth0,helpers,partials,data) {
    var stack1;
  
  return "Here\n\n"
    + ((stack1 = helpers.each.call(depth0,(depth0 != null ? depth0.foo : depth0),{"name":"each","hash":{},"fn":this.program(1, data),"inverse":this.noop,"data":data})) != null ? stack1 : "");
},"useData":true});
templates['other'] = template({"compiler":[6,">= 2.0.0-beta.1"],"main":function(depth0,helpers,partials,data) {
    var helper, functionType="function", helperMissing=helpers.helperMissing, escapeExpression=this.escapeExpression;
  
  return "Foo\n\n"
    + escapeExpression(((helper = (helper = helpers.bar || (depth0 != null ? depth0.bar : depth0)) != null ? helper : helperMissing),(typeof helper === functionType ? helper.call(depth0,{"name":"bar","hash":{},"data":data}) : helper)))
    + "\n\nBaz\n";
},"useData":true});
})();
//# sourceMappingURL=precompile.js.map

precompile.js.map

{"version":3,"sources":["map.handlebars","other.handlebars"],"names":[],"mappings":";;4BAAA,KAEa;AAAA;AAAA;AAAA;AAAA,EAGX,qBAAE,mNAAF,CAHW;AAAA,EAGJ,UAHI;AAAA,EAIX,qBAAE,+NAAF,CAJW;AAAA,EAIF,UAJE;AAAA,EAMX,eAAG,yBAAK,sCAAL,sFAAH,yBANW;AAAA,CAFb,KAQe;AAAA;AAAA;AAAA,CARf;AAAA;AAAA;AAAA;AAAA,EAEA,eAAG,yBAAK,sCAAL,sFAAH,yBAFA;AAAA,iB;8BCAA;AAAA;AAAA;AAAA;AAAA,EAEA,qBAAE,mNAAF,CAFA;AAAA,EAEO,gBAFP;AAAA,iB"}

test.html

<!doctype html>

<script src="./handlebars.runtime.js"></script>
<script src="./precompile.js"></script>
<script>
  debugger;
  var map = Handlebars.templates.map
  map({
    foo: [
      {bar: [1, 2, 3, 4]},
      {bar: '1'},
      {throw: function() {
        throw new Error('puke');
      }}
    ]
  });
</script>