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authorFlorian Dold <florian.dold@gmail.com>2018-09-20 02:56:13 +0200
committerFlorian Dold <florian.dold@gmail.com>2018-09-20 02:56:13 +0200
commitbbff7403fbf46f9ad92240ac213df8d30ef31b64 (patch)
treec58400ec5124da1c7d56b01aea83309f80a56c3b /node_modules/lodash.keys/index.js
parent003fb34971cf63466184351b4db5f7c67df4f444 (diff)
update packages
Diffstat (limited to 'node_modules/lodash.keys/index.js')
-rw-r--r--node_modules/lodash.keys/index.js240
1 files changed, 220 insertions, 20 deletions
diff --git a/node_modules/lodash.keys/index.js b/node_modules/lodash.keys/index.js
index 139568a2f..f4c17749a 100644
--- a/node_modules/lodash.keys/index.js
+++ b/node_modules/lodash.keys/index.js
@@ -1,36 +1,236 @@
/**
- * Lo-Dash 2.4.1 (Custom Build) <http://lodash.com/>
- * Build: `lodash modularize modern exports="npm" -o ./npm/`
- * Copyright 2012-2013 The Dojo Foundation <http://dojofoundation.org/>
- * Based on Underscore.js 1.5.2 <http://underscorejs.org/LICENSE>
- * Copyright 2009-2013 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
- * Available under MIT license <http://lodash.com/license>
+ * lodash 3.1.2 (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 isNative = require('lodash._isnative'),
- isObject = require('lodash.isobject'),
- shimKeys = require('lodash._shimkeys');
+var getNative = require('lodash._getnative'),
+ isArguments = require('lodash.isarguments'),
+ isArray = require('lodash.isarray');
-/* Native method shortcuts for methods with the same name as other `lodash` methods */
-var nativeKeys = isNative(nativeKeys = Object.keys) && nativeKeys;
+/** Used to detect unsigned integer values. */
+var reIsUint = /^\d+$/;
+
+/** Used for native method references. */
+var objectProto = Object.prototype;
+
+/** Used to check objects for own properties. */
+var hasOwnProperty = objectProto.hasOwnProperty;
+
+/* Native method references for those with the same name as other `lodash` methods. */
+var nativeKeys = getNative(Object, 'keys');
+
+/**
+ * Used as the [maximum length](http://ecma-international.org/ecma-262/6.0/#sec-number.max_safe_integer)
+ * of an array-like value.
+ */
+var MAX_SAFE_INTEGER = 9007199254740991;
+
+/**
+ * The base implementation of `_.property` without support for deep paths.
+ *
+ * @private
+ * @param {string} key The key of the property to get.
+ * @returns {Function} Returns the new function.
+ */
+function baseProperty(key) {
+ return function(object) {
+ return object == null ? undefined : object[key];
+ };
+}
+
+/**
+ * Gets the "length" property value of `object`.
+ *
+ * **Note:** This function is used to avoid a [JIT bug](https://bugs.webkit.org/show_bug.cgi?id=142792)
+ * that affects Safari on at least iOS 8.1-8.3 ARM64.
+ *
+ * @private
+ * @param {Object} object The object to query.
+ * @returns {*} Returns the "length" value.
+ */
+var getLength = baseProperty('length');
+
+/**
+ * Checks if `value` is array-like.
+ *
+ * @private
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is array-like, else `false`.
+ */
+function isArrayLike(value) {
+ return value != null && isLength(getLength(value));
+}
+
+/**
+ * Checks if `value` is a valid array-like index.
+ *
+ * @private
+ * @param {*} value The value to check.
+ * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.
+ * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.
+ */
+function isIndex(value, length) {
+ value = (typeof value == 'number' || reIsUint.test(value)) ? +value : -1;
+ length = length == null ? MAX_SAFE_INTEGER : length;
+ return value > -1 && value % 1 == 0 && value < length;
+}
+
+/**
+ * Checks if `value` is a valid array-like length.
+ *
+ * **Note:** This function is based on [`ToLength`](http://ecma-international.org/ecma-262/6.0/#sec-tolength).
+ *
+ * @private
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.
+ */
+function isLength(value) {
+ return typeof value == 'number' && value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;
+}
+
+/**
+ * A fallback implementation of `Object.keys` which creates an array of the
+ * own enumerable property names of `object`.
+ *
+ * @private
+ * @param {Object} object The object to query.
+ * @returns {Array} Returns the array of property names.
+ */
+function shimKeys(object) {
+ var props = keysIn(object),
+ propsLength = props.length,
+ length = propsLength && object.length;
+
+ var allowIndexes = !!length && isLength(length) &&
+ (isArray(object) || isArguments(object));
+
+ var index = -1,
+ result = [];
+
+ while (++index < propsLength) {
+ var key = props[index];
+ if ((allowIndexes && isIndex(key, length)) || hasOwnProperty.call(object, key)) {
+ result.push(key);
+ }
+ }
+ return result;
+}
/**
- * Creates an array composed of the own enumerable property names of an object.
+ * Checks if `value` is the [language type](https://es5.github.io/#x8) of `Object`.
+ * (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
*
* @static
* @memberOf _
- * @category Objects
- * @param {Object} object The object to inspect.
- * @returns {Array} Returns an array of property names.
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is an object, else `false`.
* @example
*
- * _.keys({ 'one': 1, 'two': 2, 'three': 3 });
- * // => ['one', 'two', 'three'] (property order is not guaranteed across environments)
+ * _.isObject({});
+ * // => true
+ *
+ * _.isObject([1, 2, 3]);
+ * // => true
+ *
+ * _.isObject(1);
+ * // => false
+ */
+function isObject(value) {
+ // Avoid a V8 JIT bug in Chrome 19-20.
+ // See https://code.google.com/p/v8/issues/detail?id=2291 for more details.
+ var type = typeof value;
+ return !!value && (type == 'object' || type == 'function');
+}
+
+/**
+ * Creates an array of the own enumerable property names of `object`.
+ *
+ * **Note:** Non-object values are coerced to objects. See the
+ * [ES spec](http://ecma-international.org/ecma-262/6.0/#sec-object.keys)
+ * for more details.
+ *
+ * @static
+ * @memberOf _
+ * @category Object
+ * @param {Object} object The object to query.
+ * @returns {Array} Returns the array of property names.
+ * @example
+ *
+ * function Foo() {
+ * this.a = 1;
+ * this.b = 2;
+ * }
+ *
+ * Foo.prototype.c = 3;
+ *
+ * _.keys(new Foo);
+ * // => ['a', 'b'] (iteration order is not guaranteed)
+ *
+ * _.keys('hi');
+ * // => ['0', '1']
*/
var keys = !nativeKeys ? shimKeys : function(object) {
- if (!isObject(object)) {
- return [];
+ var Ctor = object == null ? undefined : object.constructor;
+ if ((typeof Ctor == 'function' && Ctor.prototype === object) ||
+ (typeof object != 'function' && isArrayLike(object))) {
+ return shimKeys(object);
}
- return nativeKeys(object);
+ return isObject(object) ? nativeKeys(object) : [];
};
+/**
+ * Creates an array of the own and inherited enumerable property names of `object`.
+ *
+ * **Note:** Non-object values are coerced to objects.
+ *
+ * @static
+ * @memberOf _
+ * @category Object
+ * @param {Object} object The object to query.
+ * @returns {Array} Returns the array of property names.
+ * @example
+ *
+ * function Foo() {
+ * this.a = 1;
+ * this.b = 2;
+ * }
+ *
+ * Foo.prototype.c = 3;
+ *
+ * _.keysIn(new Foo);
+ * // => ['a', 'b', 'c'] (iteration order is not guaranteed)
+ */
+function keysIn(object) {
+ if (object == null) {
+ return [];
+ }
+ if (!isObject(object)) {
+ object = Object(object);
+ }
+ var length = object.length;
+ length = (length && isLength(length) &&
+ (isArray(object) || isArguments(object)) && length) || 0;
+
+ var Ctor = object.constructor,
+ index = -1,
+ isProto = typeof Ctor == 'function' && Ctor.prototype === object,
+ result = Array(length),
+ skipIndexes = length > 0;
+
+ while (++index < length) {
+ result[index] = (index + '');
+ }
+ for (var key in object) {
+ if (!(skipIndexes && isIndex(key, length)) &&
+ !(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {
+ result.push(key);
+ }
+ }
+ return result;
+}
+
module.exports = keys;