mirror of https://github.com/zulip/zulip.git
515 lines
16 KiB
JavaScript
515 lines
16 KiB
JavaScript
/*!
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handlebars v1.3.0
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Copyright (C) 2011 by Yehuda Katz
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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@license
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*/
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define(
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'handlebars/safe-string',["exports"],
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function(__exports__) {
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// Build out our basic SafeString type
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function SafeString(string) {
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this.string = string;
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}
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SafeString.prototype.toString = function() {
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return "" + this.string;
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};
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__exports__["default"] = SafeString;
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});
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define(
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'handlebars/utils',["./safe-string","exports"],
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function(__dependency1__, __exports__) {
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/*jshint -W004 */
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var SafeString = __dependency1__["default"];
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var escape = {
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"&": "&",
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"<": "<",
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">": ">",
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'"': """,
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"'": "'",
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"`": "`"
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};
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var badChars = /[&<>"'`]/g;
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var possible = /[&<>"'`]/;
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function escapeChar(chr) {
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return escape[chr] || "&";
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}
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function extend(obj, value) {
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for(var key in value) {
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if(Object.prototype.hasOwnProperty.call(value, key)) {
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obj[key] = value[key];
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}
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}
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}
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__exports__.extend = extend;var toString = Object.prototype.toString;
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__exports__.toString = toString;
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// Sourced from lodash
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// https://github.com/bestiejs/lodash/blob/master/LICENSE.txt
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var isFunction = function(value) {
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return typeof value === 'function';
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};
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// fallback for older versions of Chrome and Safari
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if (isFunction(/x/)) {
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isFunction = function(value) {
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return typeof value === 'function' && toString.call(value) === '[object Function]';
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};
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}
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var isFunction;
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__exports__.isFunction = isFunction;
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var isArray = Array.isArray || function(value) {
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return (value && typeof value === 'object') ? toString.call(value) === '[object Array]' : false;
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};
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__exports__.isArray = isArray;
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function escapeExpression(string) {
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// don't escape SafeStrings, since they're already safe
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if (string instanceof SafeString) {
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return string.toString();
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} else if (!string && string !== 0) {
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return "";
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}
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// Force a string conversion as this will be done by the append regardless and
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// the regex test will do this transparently behind the scenes, causing issues if
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// an object's to string has escaped characters in it.
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string = "" + string;
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if(!possible.test(string)) { return string; }
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return string.replace(badChars, escapeChar);
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}
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__exports__.escapeExpression = escapeExpression;function isEmpty(value) {
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if (!value && value !== 0) {
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return true;
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} else if (isArray(value) && value.length === 0) {
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return true;
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} else {
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return false;
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}
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}
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__exports__.isEmpty = isEmpty;
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});
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define(
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'handlebars/exception',["exports"],
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function(__exports__) {
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var errorProps = ['description', 'fileName', 'lineNumber', 'message', 'name', 'number', 'stack'];
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function Exception(message, node) {
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var line;
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if (node && node.firstLine) {
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line = node.firstLine;
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message += ' - ' + line + ':' + node.firstColumn;
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}
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var tmp = Error.prototype.constructor.call(this, message);
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// Unfortunately errors are not enumerable in Chrome (at least), so `for prop in tmp` doesn't work.
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for (var idx = 0; idx < errorProps.length; idx++) {
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this[errorProps[idx]] = tmp[errorProps[idx]];
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}
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if (line) {
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this.lineNumber = line;
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this.column = node.firstColumn;
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}
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}
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Exception.prototype = new Error();
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__exports__["default"] = Exception;
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});
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define(
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'handlebars/base',["./utils","./exception","exports"],
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function(__dependency1__, __dependency2__, __exports__) {
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var Utils = __dependency1__;
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var Exception = __dependency2__["default"];
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var VERSION = "1.3.0";
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__exports__.VERSION = VERSION;var COMPILER_REVISION = 4;
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__exports__.COMPILER_REVISION = COMPILER_REVISION;
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var REVISION_CHANGES = {
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1: '<= 1.0.rc.2', // 1.0.rc.2 is actually rev2 but doesn't report it
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2: '== 1.0.0-rc.3',
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3: '== 1.0.0-rc.4',
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4: '>= 1.0.0'
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};
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__exports__.REVISION_CHANGES = REVISION_CHANGES;
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var isArray = Utils.isArray,
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isFunction = Utils.isFunction,
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toString = Utils.toString,
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objectType = '[object Object]';
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function HandlebarsEnvironment(helpers, partials) {
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this.helpers = helpers || {};
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this.partials = partials || {};
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registerDefaultHelpers(this);
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}
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__exports__.HandlebarsEnvironment = HandlebarsEnvironment;HandlebarsEnvironment.prototype = {
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constructor: HandlebarsEnvironment,
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logger: logger,
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log: log,
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registerHelper: function(name, fn, inverse) {
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if (toString.call(name) === objectType) {
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if (inverse || fn) { throw new Exception('Arg not supported with multiple helpers'); }
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Utils.extend(this.helpers, name);
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} else {
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if (inverse) { fn.not = inverse; }
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this.helpers[name] = fn;
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}
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},
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registerPartial: function(name, str) {
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if (toString.call(name) === objectType) {
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Utils.extend(this.partials, name);
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} else {
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this.partials[name] = str;
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}
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}
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};
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function registerDefaultHelpers(instance) {
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instance.registerHelper('helperMissing', function(arg) {
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if(arguments.length === 2) {
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return undefined;
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} else {
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throw new Exception("Missing helper: '" + arg + "'");
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}
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});
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instance.registerHelper('blockHelperMissing', function(context, options) {
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var inverse = options.inverse || function() {}, fn = options.fn;
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if (isFunction(context)) { context = context.call(this); }
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if(context === true) {
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return fn(this);
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} else if(context === false || context == null) {
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return inverse(this);
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} else if (isArray(context)) {
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if(context.length > 0) {
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return instance.helpers.each(context, options);
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} else {
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return inverse(this);
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}
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} else {
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return fn(context);
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}
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});
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instance.registerHelper('each', function(context, options) {
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var fn = options.fn, inverse = options.inverse;
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var i = 0, ret = "", data;
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if (isFunction(context)) { context = context.call(this); }
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if (options.data) {
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data = createFrame(options.data);
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}
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if(context && typeof context === 'object') {
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if (isArray(context)) {
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for(var j = context.length; i<j; i++) {
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if (data) {
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data.index = i;
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data.first = (i === 0);
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data.last = (i === (context.length-1));
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}
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ret = ret + fn(context[i], { data: data });
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}
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} else {
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for(var key in context) {
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if(context.hasOwnProperty(key)) {
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if(data) {
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data.key = key;
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data.index = i;
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data.first = (i === 0);
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}
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ret = ret + fn(context[key], {data: data});
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i++;
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}
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}
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}
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}
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if(i === 0){
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ret = inverse(this);
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}
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return ret;
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});
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instance.registerHelper('if', function(conditional, options) {
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if (isFunction(conditional)) { conditional = conditional.call(this); }
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// Default behavior is to render the positive path if the value is truthy and not empty.
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// The `includeZero` option may be set to treat the condtional as purely not empty based on the
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// behavior of isEmpty. Effectively this determines if 0 is handled by the positive path or negative.
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if ((!options.hash.includeZero && !conditional) || Utils.isEmpty(conditional)) {
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return options.inverse(this);
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} else {
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return options.fn(this);
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}
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});
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instance.registerHelper('unless', function(conditional, options) {
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return instance.helpers['if'].call(this, conditional, {fn: options.inverse, inverse: options.fn, hash: options.hash});
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});
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instance.registerHelper('with', function(context, options) {
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if (isFunction(context)) { context = context.call(this); }
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if (!Utils.isEmpty(context)) return options.fn(context);
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});
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instance.registerHelper('log', function(context, options) {
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var level = options.data && options.data.level != null ? parseInt(options.data.level, 10) : 1;
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instance.log(level, context);
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});
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}
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var logger = {
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methodMap: { 0: 'debug', 1: 'info', 2: 'warn', 3: 'error' },
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// State enum
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DEBUG: 0,
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INFO: 1,
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WARN: 2,
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ERROR: 3,
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level: 3,
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// can be overridden in the host environment
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log: function(level, obj) {
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if (logger.level <= level) {
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var method = logger.methodMap[level];
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if (typeof console !== 'undefined' && console[method]) {
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console[method].call(console, obj);
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}
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}
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}
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};
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__exports__.logger = logger;
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function log(level, obj) { logger.log(level, obj); }
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__exports__.log = log;var createFrame = function(object) {
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var obj = {};
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Utils.extend(obj, object);
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return obj;
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};
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__exports__.createFrame = createFrame;
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});
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define(
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'handlebars/runtime',["./utils","./exception","./base","exports"],
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function(__dependency1__, __dependency2__, __dependency3__, __exports__) {
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var Utils = __dependency1__;
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var Exception = __dependency2__["default"];
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var COMPILER_REVISION = __dependency3__.COMPILER_REVISION;
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var REVISION_CHANGES = __dependency3__.REVISION_CHANGES;
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function checkRevision(compilerInfo) {
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var compilerRevision = compilerInfo && compilerInfo[0] || 1,
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currentRevision = COMPILER_REVISION;
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if (compilerRevision !== currentRevision) {
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if (compilerRevision < currentRevision) {
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var runtimeVersions = REVISION_CHANGES[currentRevision],
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compilerVersions = REVISION_CHANGES[compilerRevision];
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throw new Exception("Template was precompiled with an older version of Handlebars than the current runtime. "+
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"Please update your precompiler to a newer version ("+runtimeVersions+") or downgrade your runtime to an older version ("+compilerVersions+").");
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} else {
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// Use the embedded version info since the runtime doesn't know about this revision yet
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throw new Exception("Template was precompiled with a newer version of Handlebars than the current runtime. "+
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"Please update your runtime to a newer version ("+compilerInfo[1]+").");
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}
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}
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}
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__exports__.checkRevision = checkRevision;// TODO: Remove this line and break up compilePartial
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function template(templateSpec, env) {
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if (!env) {
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throw new Exception("No environment passed to template");
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}
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// Note: Using env.VM references rather than local var references throughout this section to allow
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// for external users to override these as psuedo-supported APIs.
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var invokePartialWrapper = function(partial, name, context, helpers, partials, data) {
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var result = env.VM.invokePartial.apply(this, arguments);
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if (result != null) { return result; }
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if (env.compile) {
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var options = { helpers: helpers, partials: partials, data: data };
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partials[name] = env.compile(partial, { data: data !== undefined }, env);
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return partials[name](context, options);
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} else {
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throw new Exception("The partial " + name + " could not be compiled when running in runtime-only mode");
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}
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};
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// Just add water
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var container = {
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escapeExpression: Utils.escapeExpression,
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invokePartial: invokePartialWrapper,
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programs: [],
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program: function(i, fn, data) {
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var programWrapper = this.programs[i];
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if(data) {
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programWrapper = program(i, fn, data);
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} else if (!programWrapper) {
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programWrapper = this.programs[i] = program(i, fn);
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}
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return programWrapper;
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},
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merge: function(param, common) {
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var ret = param || common;
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if (param && common && (param !== common)) {
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ret = {};
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Utils.extend(ret, common);
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Utils.extend(ret, param);
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}
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return ret;
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},
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programWithDepth: env.VM.programWithDepth,
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noop: env.VM.noop,
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compilerInfo: null
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};
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return function(context, options) {
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options = options || {};
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var namespace = options.partial ? options : env,
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helpers,
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partials;
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if (!options.partial) {
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helpers = options.helpers;
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partials = options.partials;
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}
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var result = templateSpec.call(
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container,
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namespace, context,
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helpers,
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partials,
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options.data);
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if (!options.partial) {
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env.VM.checkRevision(container.compilerInfo);
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}
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return result;
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};
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}
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__exports__.template = template;function programWithDepth(i, fn, data /*, $depth */) {
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var args = Array.prototype.slice.call(arguments, 3);
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var prog = function(context, options) {
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options = options || {};
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return fn.apply(this, [context, options.data || data].concat(args));
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};
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prog.program = i;
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prog.depth = args.length;
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return prog;
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}
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__exports__.programWithDepth = programWithDepth;function program(i, fn, data) {
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var prog = function(context, options) {
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options = options || {};
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return fn(context, options.data || data);
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};
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prog.program = i;
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prog.depth = 0;
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return prog;
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}
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__exports__.program = program;function invokePartial(partial, name, context, helpers, partials, data) {
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var options = { partial: true, helpers: helpers, partials: partials, data: data };
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if(partial === undefined) {
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throw new Exception("The partial " + name + " could not be found");
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} else if(partial instanceof Function) {
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return partial(context, options);
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}
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}
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__exports__.invokePartial = invokePartial;function noop() { return ""; }
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__exports__.noop = noop;
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});
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define(
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'handlebars.runtime',["./handlebars/base","./handlebars/safe-string","./handlebars/exception","./handlebars/utils","./handlebars/runtime","exports"],
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function(__dependency1__, __dependency2__, __dependency3__, __dependency4__, __dependency5__, __exports__) {
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/*globals Handlebars: true */
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var base = __dependency1__;
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// Each of these augment the Handlebars object. No need to setup here.
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// (This is done to easily share code between commonjs and browse envs)
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var SafeString = __dependency2__["default"];
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var Exception = __dependency3__["default"];
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var Utils = __dependency4__;
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var runtime = __dependency5__;
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// For compatibility and usage outside of module systems, make the Handlebars object a namespace
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var create = function() {
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var hb = new base.HandlebarsEnvironment();
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Utils.extend(hb, base);
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hb.SafeString = SafeString;
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hb.Exception = Exception;
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hb.Utils = Utils;
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hb.VM = runtime;
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hb.template = function(spec) {
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return runtime.template(spec, hb);
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};
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return hb;
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};
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var Handlebars = create();
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Handlebars.create = create;
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__exports__["default"] = Handlebars;
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}); |