mirror of
https://github.com/whoisclebs/lodash.git
synced 2026-02-11 03:17:49 +00:00
Bump to v3.1.0.
This commit is contained in:
jdalton
committed by
John-David Dalton
John-David Dalton
parent
f11f2385a6
commit
27d65e814a
@@ -1,26 +1,354 @@
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/**
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* lodash 3.0.1 (Custom Build) <https://lodash.com/>
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* Build: `lodash modern modularize exports="npm" -o ./`
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* Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/>
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* lodash 3.1.0 (Custom Build) <https://lodash.com/>
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* Build: `lodash modularize exports="npm" -o ./`
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* Copyright 2012-2016 The Dojo Foundation <http://dojofoundation.org/>
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* Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
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* Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
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* Copyright 2009-2016 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
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* Available under MIT license <https://lodash.com/license>
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*/
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var isIterateeCall = require('lodash._isiterateecall');
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/* Native method references for those with the same name as other `lodash` methods. */
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/** Used as references for various `Number` constants. */
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var MAX_SAFE_INTEGER = 9007199254740991,
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NAN = 0 / 0;
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/** `Object#toString` result references. */
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var funcTag = '[object Function]',
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genTag = '[object GeneratorFunction]';
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/** Used to match leading and trailing whitespace. */
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var reTrim = /^\s+|\s+$/g;
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/** Used to detect bad signed hexadecimal string values. */
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var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;
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/** Used to detect binary string values. */
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var reIsBinary = /^0b[01]+$/i;
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/** Used to detect octal string values. */
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var reIsOctal = /^0o[0-7]+$/i;
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/** Used to detect unsigned integer values. */
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var reIsUint = /^(?:0|[1-9]\d*)$/;
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/** Built-in method references without a dependency on `global`. */
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var freeParseInt = parseInt;
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/**
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* Checks if `value` is a valid array-like index.
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*
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* @private
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* @param {*} value The value to check.
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* @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.
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* @returns {boolean} Returns `true` if `value` is a valid index, else `false`.
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*/
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function isIndex(value, length) {
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value = (typeof value == 'number' || reIsUint.test(value)) ? +value : -1;
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length = length == null ? MAX_SAFE_INTEGER : length;
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return value > -1 && value % 1 == 0 && value < length;
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}
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/** Used for built-in method references. */
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var objectProto = global.Object.prototype;
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/**
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* Used to resolve the [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring)
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* of values.
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*/
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var objectToString = objectProto.toString;
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/* Built-in method references for those with the same name as other `lodash` methods. */
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var nativeCeil = Math.ceil,
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nativeMax = Math.max;
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/**
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* Creates an array of numbers (positive and/or negative) progressing from
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* `start` up to, but not including, `end`. If `end` is not specified it's
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* set to `start` with `start` then set to `0`. If `end` is less than `start`
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* a zero-length range is created unless a negative `step` is specified.
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* The base implementation of `_.property` without support for deep paths.
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*
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* @private
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* @param {string} key The key of the property to get.
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* @returns {Function} Returns the new function.
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*/
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function baseProperty(key) {
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return function(object) {
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return object == null ? undefined : object[key];
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};
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}
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/**
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* The base implementation of `_.range` and `_.rangeRight` which doesn't
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* coerce arguments to numbers.
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*
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* @private
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* @param {number} start The start of the range.
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* @param {number} end The end of the range.
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* @param {number} step The value to increment or decrement by.
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* @param {boolean} [fromRight] Specify iterating from right to left.
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* @returns {Array} Returns the new array of numbers.
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*/
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function baseRange(start, end, step, fromRight) {
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var index = -1,
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length = nativeMax(nativeCeil((end - start) / (step || 1)), 0),
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result = Array(length);
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while (length--) {
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result[fromRight ? length : ++index] = start;
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start += step;
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}
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return result;
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}
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/**
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* Creates a `_.range` or `_.rangeRight` function.
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*
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* @private
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* @param {boolean} [fromRight] Specify iterating from right to left.
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* @returns {Function} Returns the new range function.
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*/
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function createRange(fromRight) {
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return function(start, end, step) {
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if (step && typeof step != 'number' && isIterateeCall(start, end, step)) {
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end = step = undefined;
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}
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// Ensure the sign of `-0` is preserved.
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start = toNumber(start);
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start = start === start ? start : 0;
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if (end === undefined) {
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end = start;
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start = 0;
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} else {
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end = toNumber(end) || 0;
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}
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step = step === undefined ? (start < end ? 1 : -1) : (toNumber(step) || 0);
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return baseRange(start, end, step, fromRight);
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};
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}
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/**
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* Gets the "length" property value of `object`.
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*
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* **Note:** This function is used to avoid a [JIT bug](https://bugs.webkit.org/show_bug.cgi?id=142792)
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* that affects Safari on at least iOS 8.1-8.3 ARM64.
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*
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* @private
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* @param {Object} object The object to query.
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* @returns {*} Returns the "length" value.
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*/
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var getLength = baseProperty('length');
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/**
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* Checks if the provided arguments are from an iteratee call.
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*
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* @private
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* @param {*} value The potential iteratee value argument.
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* @param {*} index The potential iteratee index or key argument.
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* @param {*} object The potential iteratee object argument.
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* @returns {boolean} Returns `true` if the arguments are from an iteratee call, else `false`.
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*/
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function isIterateeCall(value, index, object) {
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if (!isObject(object)) {
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return false;
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}
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var type = typeof index;
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if (type == 'number'
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? (isArrayLike(object) && isIndex(index, object.length))
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: (type == 'string' && index in object)) {
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return eq(object[index], value);
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}
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return false;
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}
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/**
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* Performs a [`SameValueZero`](http://ecma-international.org/ecma-262/6.0/#sec-samevaluezero)
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* comparison between two values to determine if they are equivalent.
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*
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* @static
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* @memberOf _
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* @category Utility
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* @category Lang
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* @param {*} value The value to compare.
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* @param {*} other The other value to compare.
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* @returns {boolean} Returns `true` if the values are equivalent, else `false`.
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* @example
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*
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* var object = { 'user': 'fred' };
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* var other = { 'user': 'fred' };
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*
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* _.eq(object, object);
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* // => true
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*
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* _.eq(object, other);
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* // => false
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*
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* _.eq('a', 'a');
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* // => true
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*
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* _.eq('a', Object('a'));
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* // => false
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*
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* _.eq(NaN, NaN);
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* // => true
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*/
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function eq(value, other) {
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return value === other || (value !== value && other !== other);
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}
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/**
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* Checks if `value` is array-like. A value is considered array-like if it's
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* not a function and has a `value.length` that's an integer greater than or
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* equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.
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*
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* @static
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* @memberOf _
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* @type Function
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* @category Lang
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* @param {*} value The value to check.
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* @returns {boolean} Returns `true` if `value` is array-like, else `false`.
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* @example
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*
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* _.isArrayLike([1, 2, 3]);
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* // => true
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*
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* _.isArrayLike(document.body.children);
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* // => true
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*
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* _.isArrayLike('abc');
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* // => true
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*
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* _.isArrayLike(_.noop);
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* // => false
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*/
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function isArrayLike(value) {
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return value != null &&
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!(typeof value == 'function' && isFunction(value)) && isLength(getLength(value));
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}
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/**
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* Checks if `value` is classified as a `Function` object.
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*
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* @static
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* @memberOf _
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* @category Lang
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* @param {*} value The value to check.
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* @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.
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* @example
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*
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* _.isFunction(_);
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* // => true
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*
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* _.isFunction(/abc/);
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* // => false
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*/
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function isFunction(value) {
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// The use of `Object#toString` avoids issues with the `typeof` operator
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// in Safari 8 which returns 'object' for typed array constructors, and
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// PhantomJS 1.9 which returns 'function' for `NodeList` instances.
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var tag = isObject(value) ? objectToString.call(value) : '';
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return tag == funcTag || tag == genTag;
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}
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/**
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* Checks if `value` is a valid array-like length.
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*
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* **Note:** This function is loosely based on [`ToLength`](http://ecma-international.org/ecma-262/6.0/#sec-tolength).
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*
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* @static
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* @memberOf _
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* @category Lang
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* @param {*} value The value to check.
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* @returns {boolean} Returns `true` if `value` is a valid length, else `false`.
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* @example
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*
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* _.isLength(3);
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* // => true
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*
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* _.isLength(Number.MIN_VALUE);
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* // => false
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*
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* _.isLength(Infinity);
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* // => false
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*
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* _.isLength('3');
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* // => false
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*/
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function isLength(value) {
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return typeof value == 'number' && value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;
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}
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/**
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* Checks if `value` is the [language type](https://es5.github.io/#x8) of `Object`.
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* (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
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*
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* @static
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* @memberOf _
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* @category Lang
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* @param {*} value The value to check.
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* @returns {boolean} Returns `true` if `value` is an object, else `false`.
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* @example
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*
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* _.isObject({});
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* // => true
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*
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* _.isObject([1, 2, 3]);
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* // => true
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*
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* _.isObject(_.noop);
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* // => true
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*
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* _.isObject(null);
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* // => false
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*/
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function isObject(value) {
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var type = typeof value;
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return !!value && (type == 'object' || type == 'function');
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}
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/**
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* Converts `value` to a number.
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*
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* @static
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* @memberOf _
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* @category Lang
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* @param {*} value The value to process.
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* @returns {number} Returns the number.
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* @example
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*
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* _.toNumber(3);
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* // => 3
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*
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* _.toNumber(Number.MIN_VALUE);
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* // => 5e-324
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*
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* _.toNumber(Infinity);
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* // => Infinity
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*
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* _.toNumber('3');
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* // => 3
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*/
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function toNumber(value) {
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if (isObject(value)) {
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var other = isFunction(value.valueOf) ? value.valueOf() : value;
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value = isObject(other) ? (other + '') : other;
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}
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if (typeof value != 'string') {
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return value === 0 ? value : +value;
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}
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value = value.replace(reTrim, '');
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var isBinary = reIsBinary.test(value);
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return (isBinary || reIsOctal.test(value))
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? freeParseInt(value.slice(2), isBinary ? 2 : 8)
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: (reIsBadHex.test(value) ? NAN : +value);
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}
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/**
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* Creates an array of numbers (positive and/or negative) progressing from
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* `start` up to, but not including, `end`. A step of `-1` is used if a negative
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* `start` is specified without an `end` or `step`. If `end` is not specified
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* it's set to `start` with `start` then set to `0`.
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*
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* **Note:** JavaScript follows the IEEE-754 standard for resolving
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* floating-point values which can produce unexpected results.
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*
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* @static
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* @memberOf _
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* @category Util
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* @param {number} [start=0] The start of the range.
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* @param {number} end The end of the range.
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* @param {number} [step=1] The value to increment or decrement by.
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@@ -30,6 +358,9 @@ var nativeCeil = Math.ceil,
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* _.range(4);
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* // => [0, 1, 2, 3]
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*
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* _.range(-4);
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* // => [0, -1, -2, -3]
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*
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* _.range(1, 5);
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* // => [1, 2, 3, 4]
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*
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@@ -45,30 +376,6 @@ var nativeCeil = Math.ceil,
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* _.range(0);
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* // => []
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*/
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function range(start, end, step) {
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if (step && isIterateeCall(start, end, step)) {
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end = step = undefined;
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}
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start = +start || 0;
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step = step == null ? 1 : (+step || 0);
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if (end == null) {
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end = start;
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start = 0;
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} else {
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end = +end || 0;
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}
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// Use `Array(length)` so engines like Chakra and V8 avoid slower modes.
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// See https://youtu.be/XAqIpGU8ZZk#t=17m25s for more details.
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var index = -1,
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length = nativeMax(nativeCeil((end - start) / (step || 1)), 0),
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result = Array(length);
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while (++index < length) {
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result[index] = start;
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start += step;
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}
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return result;
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}
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var range = createRange();
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module.exports = range;
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Reference in New Issue
Block a user