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Diffstat (limited to 'deps/node/deps/npm/node_modules/lodash._createset/index.js')
-rw-r--r-- | deps/node/deps/npm/node_modules/lodash._createset/index.js | 280 |
1 files changed, 280 insertions, 0 deletions
diff --git a/deps/node/deps/npm/node_modules/lodash._createset/index.js b/deps/node/deps/npm/node_modules/lodash._createset/index.js new file mode 100644 index 00000000..9cadd2ee --- /dev/null +++ b/deps/node/deps/npm/node_modules/lodash._createset/index.js @@ -0,0 +1,280 @@ +/** + * lodash (Custom Build) <https://lodash.com/> + * Build: `lodash modularize exports="npm" -o ./` + * Copyright jQuery Foundation and other contributors <https://jquery.org/> + * Released under MIT license <https://lodash.com/license> + * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE> + * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors + */ + +/** Used as references for various `Number` constants. */ +var INFINITY = 1 / 0; + +/** `Object#toString` result references. */ +var funcTag = '[object Function]', + genTag = '[object GeneratorFunction]'; + +/** + * Used to match `RegExp` + * [syntax characters](http://ecma-international.org/ecma-262/6.0/#sec-patterns). + */ +var reRegExpChar = /[\\^$.*+?()[\]{}|]/g; + +/** Used to detect host constructors (Safari). */ +var reIsHostCtor = /^\[object .+?Constructor\]$/; + +/** Used to determine if values are of the language type `Object`. */ +var objectTypes = { + 'function': true, + 'object': true +}; + +/** Detect free variable `exports`. */ +var freeExports = (objectTypes[typeof exports] && exports && !exports.nodeType) + ? exports + : undefined; + +/** Detect free variable `module`. */ +var freeModule = (objectTypes[typeof module] && module && !module.nodeType) + ? module + : undefined; + +/** Detect free variable `global` from Node.js. */ +var freeGlobal = checkGlobal(freeExports && freeModule && typeof global == 'object' && global); + +/** Detect free variable `self`. */ +var freeSelf = checkGlobal(objectTypes[typeof self] && self); + +/** Detect free variable `window`. */ +var freeWindow = checkGlobal(objectTypes[typeof window] && window); + +/** Detect `this` as the global object. */ +var thisGlobal = checkGlobal(objectTypes[typeof this] && this); + +/** + * Used as a reference to the global object. + * + * The `this` value is used if it's the global object to avoid Greasemonkey's + * restricted `window` object, otherwise the `window` object is used. + */ +var root = freeGlobal || + ((freeWindow !== (thisGlobal && thisGlobal.window)) && freeWindow) || + freeSelf || thisGlobal || Function('return this')(); + +/** + * Checks if `value` is a global object. + * + * @private + * @param {*} value The value to check. + * @returns {null|Object} Returns `value` if it's a global object, else `null`. + */ +function checkGlobal(value) { + return (value && value.Object === Object) ? value : null; +} + +/** + * Checks if `value` is a host object in IE < 9. + * + * @private + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a host object, else `false`. + */ +function isHostObject(value) { + // Many host objects are `Object` objects that can coerce to strings + // despite having improperly defined `toString` methods. + var result = false; + if (value != null && typeof value.toString != 'function') { + try { + result = !!(value + ''); + } catch (e) {} + } + return result; +} + +/** + * Converts `set` to an array of its values. + * + * @private + * @param {Object} set The set to convert. + * @returns {Array} Returns the values. + */ +function setToArray(set) { + var index = -1, + result = Array(set.size); + + set.forEach(function(value) { + result[++index] = value; + }); + return result; +} + +/** Used for built-in method references. */ +var objectProto = Object.prototype; + +/** Used to resolve the decompiled source of functions. */ +var funcToString = Function.prototype.toString; + +/** 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 objectToString = objectProto.toString; + +/** Used to detect if a method is native. */ +var reIsNative = RegExp('^' + + funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\$&') + .replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$' +); + +/* Built-in method references that are verified to be native. */ +var Set = getNative(root, 'Set'); + +/** + * Creates a set of `values`. + * + * @private + * @param {Array} values The values to add to the set. + * @returns {Object} Returns the new set. + */ +var createSet = !(Set && (1 / setToArray(new Set([,-0]))[1]) == INFINITY) ? noop : function(values) { + return new Set(values); +}; + +/** + * Gets the native function at `key` of `object`. + * + * @private + * @param {Object} object The object to query. + * @param {string} key The key of the method to get. + * @returns {*} Returns the function if it's native, else `undefined`. + */ +function getNative(object, key) { + var value = object[key]; + return isNative(value) ? value : undefined; +} + +/** + * Converts `func` to its source code. + * + * @private + * @param {Function} func The function to process. + * @returns {string} Returns the source code. + */ +function toSource(func) { + if (func != null) { + try { + return funcToString.call(func); + } catch (e) {} + try { + return (func + ''); + } catch (e) {} + } + return ''; +} + +/** + * Checks if `value` is classified as a `Function` object. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is correctly classified, + * else `false`. + * @example + * + * _.isFunction(_); + * // => true + * + * _.isFunction(/abc/); + * // => false + */ +function isFunction(value) { + // The use of `Object#toString` avoids issues with the `typeof` operator + // in Safari 8 which returns 'object' for typed array and weak map constructors, + // and PhantomJS 1.9 which returns 'function' for `NodeList` instances. + var tag = isObject(value) ? objectToString.call(value) : ''; + return tag == funcTag || tag == genTag; +} + +/** + * Checks if `value` is the + * [language type](http://www.ecma-international.org/ecma-262/6.0/#sec-ecmascript-language-types) + * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`) + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is an object, else `false`. + * @example + * + * _.isObject({}); + * // => true + * + * _.isObject([1, 2, 3]); + * // => true + * + * _.isObject(_.noop); + * // => true + * + * _.isObject(null); + * // => false + */ +function isObject(value) { + var type = typeof value; + return !!value && (type == 'object' || type == 'function'); +} + +/** + * Checks if `value` is a native function. + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a native function, + * else `false`. + * @example + * + * _.isNative(Array.prototype.push); + * // => true + * + * _.isNative(_); + * // => false + */ +function isNative(value) { + if (!isObject(value)) { + return false; + } + var pattern = (isFunction(value) || isHostObject(value)) ? reIsNative : reIsHostCtor; + return pattern.test(toSource(value)); +} + +/** + * A no-operation function that returns `undefined` regardless of the + * arguments it receives. + * + * @static + * @memberOf _ + * @since 2.3.0 + * @category Util + * @example + * + * var object = { 'user': 'fred' }; + * + * _.noop(object) === undefined; + * // => true + */ +function noop() { + // No operation performed. +} + +module.exports = createSet; |