diff options
Diffstat (limited to 'node_modules/lodash.template/index.js')
| -rw-r--r-- | node_modules/lodash.template/index.js | 389 |
1 files changed, 389 insertions, 0 deletions
diff --git a/node_modules/lodash.template/index.js b/node_modules/lodash.template/index.js new file mode 100644 index 000000000..e5a9629b9 --- /dev/null +++ b/node_modules/lodash.template/index.js @@ -0,0 +1,389 @@ +/** + * lodash 3.6.2 (Custom Build) <https://lodash.com/> + * Build: `lodash modern modularize exports="npm" -o ./` + * Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/> + * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE> + * Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors + * Available under MIT license <https://lodash.com/license> + */ +var baseCopy = require('lodash._basecopy'), + baseToString = require('lodash._basetostring'), + baseValues = require('lodash._basevalues'), + isIterateeCall = require('lodash._isiterateecall'), + reInterpolate = require('lodash._reinterpolate'), + keys = require('lodash.keys'), + restParam = require('lodash.restparam'), + templateSettings = require('lodash.templatesettings'); + +/** `Object#toString` result references. */ +var errorTag = '[object Error]'; + +/** Used to match empty string literals in compiled template source. */ +var reEmptyStringLeading = /\b__p \+= '';/g, + reEmptyStringMiddle = /\b(__p \+=) '' \+/g, + reEmptyStringTrailing = /(__e\(.*?\)|\b__t\)) \+\n'';/g; + +/** Used to match [ES template delimiters](http://ecma-international.org/ecma-262/6.0/#sec-template-literal-lexical-components). */ +var reEsTemplate = /\$\{([^\\}]*(?:\\.[^\\}]*)*)\}/g; + +/** Used to ensure capturing order of template delimiters. */ +var reNoMatch = /($^)/; + +/** Used to match unescaped characters in compiled string literals. */ +var reUnescapedString = /['\n\r\u2028\u2029\\]/g; + +/** Used to escape characters for inclusion in compiled string literals. */ +var stringEscapes = { + '\\': '\\', + "'": "'", + '\n': 'n', + '\r': 'r', + '\u2028': 'u2028', + '\u2029': 'u2029' +}; + +/** + * Used by `_.template` to escape characters for inclusion in compiled string literals. + * + * @private + * @param {string} chr The matched character to escape. + * @returns {string} Returns the escaped character. + */ +function escapeStringChar(chr) { + return '\\' + stringEscapes[chr]; +} + +/** + * Checks if `value` is object-like. + * + * @private + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is object-like, else `false`. + */ +function isObjectLike(value) { + return !!value && typeof value == 'object'; +} + +/** Used for native method references. */ +var objectProto = Object.prototype; + +/** Used to check objects for own properties. */ +var hasOwnProperty = objectProto.hasOwnProperty; + +/** + * Used to resolve the [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring) + * of values. + */ +var objToString = objectProto.toString; + +/** + * Used by `_.template` to customize its `_.assign` use. + * + * **Note:** This function is like `assignDefaults` except that it ignores + * inherited property values when checking if a property is `undefined`. + * + * @private + * @param {*} objectValue The destination object property value. + * @param {*} sourceValue The source object property value. + * @param {string} key The key associated with the object and source values. + * @param {Object} object The destination object. + * @returns {*} Returns the value to assign to the destination object. + */ +function assignOwnDefaults(objectValue, sourceValue, key, object) { + return (objectValue === undefined || !hasOwnProperty.call(object, key)) + ? sourceValue + : objectValue; +} + +/** + * A specialized version of `_.assign` for customizing assigned values without + * support for argument juggling, multiple sources, and `this` binding `customizer` + * functions. + * + * @private + * @param {Object} object The destination object. + * @param {Object} source The source object. + * @param {Function} customizer The function to customize assigned values. + * @returns {Object} Returns `object`. + */ +function assignWith(object, source, customizer) { + var index = -1, + props = keys(source), + length = props.length; + + while (++index < length) { + var key = props[index], + value = object[key], + result = customizer(value, source[key], key, object, source); + + if ((result === result ? (result !== value) : (value === value)) || + (value === undefined && !(key in object))) { + object[key] = result; + } + } + return object; +} + +/** + * The base implementation of `_.assign` without support for argument juggling, + * multiple sources, and `customizer` functions. + * + * @private + * @param {Object} object The destination object. + * @param {Object} source The source object. + * @returns {Object} Returns `object`. + */ +function baseAssign(object, source) { + return source == null + ? object + : baseCopy(source, keys(source), object); +} + +/** + * Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`, + * `SyntaxError`, `TypeError`, or `URIError` object. + * + * @static + * @memberOf _ + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is an error object, else `false`. + * @example + * + * _.isError(new Error); + * // => true + * + * _.isError(Error); + * // => false + */ +function isError(value) { + return isObjectLike(value) && typeof value.message == 'string' && objToString.call(value) == errorTag; +} + +/** + * Creates a compiled template function that can interpolate data properties + * in "interpolate" delimiters, HTML-escape interpolated data properties in + * "escape" delimiters, and execute JavaScript in "evaluate" delimiters. Data + * properties may be accessed as free variables in the template. If a setting + * object is provided it takes precedence over `_.templateSettings` values. + * + * **Note:** In the development build `_.template` utilizes + * [sourceURLs](http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl) + * for easier debugging. + * + * For more information on precompiling templates see + * [lodash's custom builds documentation](https://lodash.com/custom-builds). + * + * For more information on Chrome extension sandboxes see + * [Chrome's extensions documentation](https://developer.chrome.com/extensions/sandboxingEval). + * + * @static + * @memberOf _ + * @category String + * @param {string} [string=''] The template string. + * @param {Object} [options] The options object. + * @param {RegExp} [options.escape] The HTML "escape" delimiter. + * @param {RegExp} [options.evaluate] The "evaluate" delimiter. + * @param {Object} [options.imports] An object to import into the template as free variables. + * @param {RegExp} [options.interpolate] The "interpolate" delimiter. + * @param {string} [options.sourceURL] The sourceURL of the template's compiled source. + * @param {string} [options.variable] The data object variable name. + * @param- {Object} [otherOptions] Enables the legacy `options` param signature. + * @returns {Function} Returns the compiled template function. + * @example + * + * // using the "interpolate" delimiter to create a compiled template + * var compiled = _.template('hello <%= user %>!'); + * compiled({ 'user': 'fred' }); + * // => 'hello fred!' + * + * // using the HTML "escape" delimiter to escape data property values + * var compiled = _.template('<b><%- value %></b>'); + * compiled({ 'value': '<script>' }); + * // => '<b><script></b>' + * + * // using the "evaluate" delimiter to execute JavaScript and generate HTML + * var compiled = _.template('<% _.forEach(users, function(user) { %><li><%- user %></li><% }); %>'); + * compiled({ 'users': ['fred', 'barney'] }); + * // => '<li>fred</li><li>barney</li>' + * + * // using the internal `print` function in "evaluate" delimiters + * var compiled = _.template('<% print("hello " + user); %>!'); + * compiled({ 'user': 'barney' }); + * // => 'hello barney!' + * + * // using the ES delimiter as an alternative to the default "interpolate" delimiter + * var compiled = _.template('hello ${ user }!'); + * compiled({ 'user': 'pebbles' }); + * // => 'hello pebbles!' + * + * // using custom template delimiters + * _.templateSettings.interpolate = /{{([\s\S]+?)}}/g; + * var compiled = _.template('hello {{ user }}!'); + * compiled({ 'user': 'mustache' }); + * // => 'hello mustache!' + * + * // using backslashes to treat delimiters as plain text + * var compiled = _.template('<%= "\\<%- value %\\>" %>'); + * compiled({ 'value': 'ignored' }); + * // => '<%- value %>' + * + * // using the `imports` option to import `jQuery` as `jq` + * var text = '<% jq.each(users, function(user) { %><li><%- user %></li><% }); %>'; + * var compiled = _.template(text, { 'imports': { 'jq': jQuery } }); + * compiled({ 'users': ['fred', 'barney'] }); + * // => '<li>fred</li><li>barney</li>' + * + * // using the `sourceURL` option to specify a custom sourceURL for the template + * var compiled = _.template('hello <%= user %>!', { 'sourceURL': '/basic/greeting.jst' }); + * compiled(data); + * // => find the source of "greeting.jst" under the Sources tab or Resources panel of the web inspector + * + * // using the `variable` option to ensure a with-statement isn't used in the compiled template + * var compiled = _.template('hi <%= data.user %>!', { 'variable': 'data' }); + * compiled.source; + * // => function(data) { + * // var __t, __p = ''; + * // __p += 'hi ' + ((__t = ( data.user )) == null ? '' : __t) + '!'; + * // return __p; + * // } + * + * // using the `source` property to inline compiled templates for meaningful + * // line numbers in error messages and a stack trace + * fs.writeFileSync(path.join(cwd, 'jst.js'), '\ + * var JST = {\ + * "main": ' + _.template(mainText).source + '\ + * };\ + * '); + */ +function template(string, options, otherOptions) { + // Based on John Resig's `tmpl` implementation (http://ejohn.org/blog/javascript-micro-templating/) + // and Laura Doktorova's doT.js (https://github.com/olado/doT). + var settings = templateSettings.imports._.templateSettings || templateSettings; + + if (otherOptions && isIterateeCall(string, options, otherOptions)) { + options = otherOptions = undefined; + } + string = baseToString(string); + options = assignWith(baseAssign({}, otherOptions || options), settings, assignOwnDefaults); + + var imports = assignWith(baseAssign({}, options.imports), settings.imports, assignOwnDefaults), + importsKeys = keys(imports), + importsValues = baseValues(imports, importsKeys); + + var isEscaping, + isEvaluating, + index = 0, + interpolate = options.interpolate || reNoMatch, + source = "__p += '"; + + // Compile the regexp to match each delimiter. + var reDelimiters = RegExp( + (options.escape || reNoMatch).source + '|' + + interpolate.source + '|' + + (interpolate === reInterpolate ? reEsTemplate : reNoMatch).source + '|' + + (options.evaluate || reNoMatch).source + '|$' + , 'g'); + + // Use a sourceURL for easier debugging. + var sourceURL = 'sourceURL' in options ? '//# sourceURL=' + options.sourceURL + '\n' : ''; + + string.replace(reDelimiters, function(match, escapeValue, interpolateValue, esTemplateValue, evaluateValue, offset) { + interpolateValue || (interpolateValue = esTemplateValue); + + // Escape characters that can't be included in string literals. + source += string.slice(index, offset).replace(reUnescapedString, escapeStringChar); + + // Replace delimiters with snippets. + if (escapeValue) { + isEscaping = true; + source += "' +\n__e(" + escapeValue + ") +\n'"; + } + if (evaluateValue) { + isEvaluating = true; + source += "';\n" + evaluateValue + ";\n__p += '"; + } + if (interpolateValue) { + source += "' +\n((__t = (" + interpolateValue + ")) == null ? '' : __t) +\n'"; + } + index = offset + match.length; + + // The JS engine embedded in Adobe products requires returning the `match` + // string in order to produce the correct `offset` value. + return match; + }); + + source += "';\n"; + + // If `variable` is not specified wrap a with-statement around the generated + // code to add the data object to the top of the scope chain. + var variable = options.variable; + if (!variable) { + source = 'with (obj) {\n' + source + '\n}\n'; + } + // Cleanup code by stripping empty strings. + source = (isEvaluating ? source.replace(reEmptyStringLeading, '') : source) + .replace(reEmptyStringMiddle, '$1') + .replace(reEmptyStringTrailing, '$1;'); + + // Frame code as the function body. + source = 'function(' + (variable || 'obj') + ') {\n' + + (variable + ? '' + : 'obj || (obj = {});\n' + ) + + "var __t, __p = ''" + + (isEscaping + ? ', __e = _.escape' + : '' + ) + + (isEvaluating + ? ', __j = Array.prototype.join;\n' + + "function print() { __p += __j.call(arguments, '') }\n" + : ';\n' + ) + + source + + 'return __p\n}'; + + var result = attempt(function() { + return Function(importsKeys, sourceURL + 'return ' + source).apply(undefined, importsValues); + }); + + // Provide the compiled function's source by its `toString` method or + // the `source` property as a convenience for inlining compiled templates. + result.source = source; + if (isError(result)) { + throw result; + } + return result; +} + +/** + * Attempts to invoke `func`, returning either the result or the caught error + * object. Any additional arguments are provided to `func` when it is invoked. + * + * @static + * @memberOf _ + * @category Utility + * @param {Function} func The function to attempt. + * @returns {*} Returns the `func` result or error object. + * @example + * + * // avoid throwing errors for invalid selectors + * var elements = _.attempt(function(selector) { + * return document.querySelectorAll(selector); + * }, '>_>'); + * + * if (_.isError(elements)) { + * elements = []; + * } + */ +var attempt = restParam(function(func, args) { + try { + return func.apply(undefined, args); + } catch(e) { + return isError(e) ? e : new Error(e); + } +}); + +module.exports = template; |