mirror of
https://github.com/whoisclebs/lodash.git
synced 2026-02-12 20:07:49 +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
@@ -1,15 +1,284 @@
|
||||
/**
|
||||
* lodash 3.0.1 (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 1.8.2 <http://underscorejs.org/LICENSE>
|
||||
* Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
|
||||
* lodash 3.1.0 (Custom Build) <https://lodash.com/>
|
||||
* Build: `lodash modularize exports="npm" -o ./`
|
||||
* Copyright 2012-2016 The Dojo Foundation <http://dojofoundation.org/>
|
||||
* Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
|
||||
* Copyright 2009-2016 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
|
||||
* Available under MIT license <https://lodash.com/license>
|
||||
*/
|
||||
var baseToString = require('lodash._basetostring');
|
||||
|
||||
/* Native method references for those with the same name as other `lodash` methods. */
|
||||
var nativeMin = Math.min;
|
||||
/** Used as references for various `Number` constants. */
|
||||
var INFINITY = 1 / 0,
|
||||
MAX_INTEGER = 1.7976931348623157e+308,
|
||||
NAN = 0 / 0;
|
||||
|
||||
/** `Object#toString` result references. */
|
||||
var funcTag = '[object Function]',
|
||||
genTag = '[object GeneratorFunction]',
|
||||
symbolTag = '[object Symbol]';
|
||||
|
||||
/** Used to match leading and trailing whitespace. */
|
||||
var reTrim = /^\s+|\s+$/g;
|
||||
|
||||
/** Used to detect bad signed hexadecimal string values. */
|
||||
var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;
|
||||
|
||||
/** Used to detect binary string values. */
|
||||
var reIsBinary = /^0b[01]+$/i;
|
||||
|
||||
/** Used to detect octal string values. */
|
||||
var reIsOctal = /^0o[0-7]+$/i;
|
||||
|
||||
/** Built-in method references without a dependency on `global`. */
|
||||
var freeParseInt = parseInt;
|
||||
|
||||
/** Used for built-in method references. */
|
||||
var objectProto = global.Object.prototype;
|
||||
|
||||
/**
|
||||
* Used to resolve the [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring)
|
||||
* of values.
|
||||
*/
|
||||
var objectToString = objectProto.toString;
|
||||
|
||||
/** Built-in value references. */
|
||||
var _Symbol = global.Symbol;
|
||||
|
||||
/** Used to convert symbols to primitives and strings. */
|
||||
var symbolProto = _Symbol ? _Symbol.prototype : undefined,
|
||||
symbolToString = _Symbol ? symbolProto.toString : undefined;
|
||||
|
||||
/**
|
||||
* The base implementation of `_.clamp` which doesn't coerce arguments to numbers.
|
||||
*
|
||||
* @private
|
||||
* @param {number} number The number to clamp.
|
||||
* @param {number} [lower] The lower bound.
|
||||
* @param {number} upper The upper bound.
|
||||
* @returns {number} Returns the clamped number.
|
||||
*/
|
||||
function baseClamp(number, lower, upper) {
|
||||
if (number === number) {
|
||||
if (upper !== undefined) {
|
||||
number = number <= upper ? number : upper;
|
||||
}
|
||||
if (lower !== undefined) {
|
||||
number = number >= lower ? number : lower;
|
||||
}
|
||||
}
|
||||
return number;
|
||||
}
|
||||
|
||||
/**
|
||||
* Checks if `value` is classified as a `Function` object.
|
||||
*
|
||||
* @static
|
||||
* @memberOf _
|
||||
* @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 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](https://es5.github.io/#x8) of `Object`.
|
||||
* (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
|
||||
*
|
||||
* @static
|
||||
* @memberOf _
|
||||
* @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) {
|
||||
// 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');
|
||||
}
|
||||
|
||||
/**
|
||||
* Checks if `value` is object-like. A value is object-like if it's not `null`
|
||||
* and has a `typeof` result of "object".
|
||||
*
|
||||
* @static
|
||||
* @memberOf _
|
||||
* @category Lang
|
||||
* @param {*} value The value to check.
|
||||
* @returns {boolean} Returns `true` if `value` is object-like, else `false`.
|
||||
* @example
|
||||
*
|
||||
* _.isObjectLike({});
|
||||
* // => true
|
||||
*
|
||||
* _.isObjectLike([1, 2, 3]);
|
||||
* // => true
|
||||
*
|
||||
* _.isObjectLike(_.noop);
|
||||
* // => false
|
||||
*
|
||||
* _.isObjectLike(null);
|
||||
* // => false
|
||||
*/
|
||||
function isObjectLike(value) {
|
||||
return !!value && typeof value == 'object';
|
||||
}
|
||||
|
||||
/**
|
||||
* Checks if `value` is classified as a `Symbol` primitive or object.
|
||||
*
|
||||
* @static
|
||||
* @memberOf _
|
||||
* @category Lang
|
||||
* @param {*} value The value to check.
|
||||
* @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.
|
||||
* @example
|
||||
*
|
||||
* _.isSymbol(Symbol.iterator);
|
||||
* // => true
|
||||
*
|
||||
* _.isSymbol('abc');
|
||||
* // => false
|
||||
*/
|
||||
function isSymbol(value) {
|
||||
return typeof value == 'symbol' ||
|
||||
(isObjectLike(value) && objectToString.call(value) == symbolTag);
|
||||
}
|
||||
|
||||
/**
|
||||
* Converts `value` to an integer.
|
||||
*
|
||||
* **Note:** This function is loosely based on [`ToInteger`](http://www.ecma-international.org/ecma-262/6.0/#sec-tointeger).
|
||||
*
|
||||
* @static
|
||||
* @memberOf _
|
||||
* @category Lang
|
||||
* @param {*} value The value to convert.
|
||||
* @returns {number} Returns the converted integer.
|
||||
* @example
|
||||
*
|
||||
* _.toInteger(3);
|
||||
* // => 3
|
||||
*
|
||||
* _.toInteger(Number.MIN_VALUE);
|
||||
* // => 0
|
||||
*
|
||||
* _.toInteger(Infinity);
|
||||
* // => 1.7976931348623157e+308
|
||||
*
|
||||
* _.toInteger('3');
|
||||
* // => 3
|
||||
*/
|
||||
function toInteger(value) {
|
||||
if (!value) {
|
||||
return value === 0 ? value : 0;
|
||||
}
|
||||
value = toNumber(value);
|
||||
if (value === INFINITY || value === -INFINITY) {
|
||||
var sign = (value < 0 ? -1 : 1);
|
||||
return sign * MAX_INTEGER;
|
||||
}
|
||||
var remainder = value % 1;
|
||||
return value === value ? (remainder ? value - remainder : value) : 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* Converts `value` to a number.
|
||||
*
|
||||
* @static
|
||||
* @memberOf _
|
||||
* @category Lang
|
||||
* @param {*} value The value to process.
|
||||
* @returns {number} Returns the number.
|
||||
* @example
|
||||
*
|
||||
* _.toNumber(3);
|
||||
* // => 3
|
||||
*
|
||||
* _.toNumber(Number.MIN_VALUE);
|
||||
* // => 5e-324
|
||||
*
|
||||
* _.toNumber(Infinity);
|
||||
* // => Infinity
|
||||
*
|
||||
* _.toNumber('3');
|
||||
* // => 3
|
||||
*/
|
||||
function toNumber(value) {
|
||||
if (isObject(value)) {
|
||||
var other = isFunction(value.valueOf) ? value.valueOf() : value;
|
||||
value = isObject(other) ? (other + '') : other;
|
||||
}
|
||||
if (typeof value != 'string') {
|
||||
return value === 0 ? value : +value;
|
||||
}
|
||||
value = value.replace(reTrim, '');
|
||||
var isBinary = reIsBinary.test(value);
|
||||
return (isBinary || reIsOctal.test(value))
|
||||
? freeParseInt(value.slice(2), isBinary ? 2 : 8)
|
||||
: (reIsBadHex.test(value) ? NAN : +value);
|
||||
}
|
||||
|
||||
/**
|
||||
* Converts `value` to a string if it's not one. An empty string is returned
|
||||
* for `null` and `undefined` values. The sign of `-0` is preserved.
|
||||
*
|
||||
* @static
|
||||
* @memberOf _
|
||||
* @category Lang
|
||||
* @param {*} value The value to process.
|
||||
* @returns {string} Returns the string.
|
||||
* @example
|
||||
*
|
||||
* _.toString(null);
|
||||
* // => ''
|
||||
*
|
||||
* _.toString(-0);
|
||||
* // => '-0'
|
||||
*
|
||||
* _.toString([1, 2, 3]);
|
||||
* // => '1,2,3'
|
||||
*/
|
||||
function toString(value) {
|
||||
// Exit early for strings to avoid a performance hit in some environments.
|
||||
if (typeof value == 'string') {
|
||||
return value;
|
||||
}
|
||||
if (value == null) {
|
||||
return '';
|
||||
}
|
||||
if (isSymbol(value)) {
|
||||
return _Symbol ? symbolToString.call(value) : '';
|
||||
}
|
||||
var result = (value + '');
|
||||
return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;
|
||||
}
|
||||
|
||||
/**
|
||||
* Checks if `string` starts with the given target string.
|
||||
@@ -33,11 +302,8 @@ var nativeMin = Math.min;
|
||||
* // => true
|
||||
*/
|
||||
function startsWith(string, target, position) {
|
||||
string = baseToString(string);
|
||||
position = position == null
|
||||
? 0
|
||||
: nativeMin(position < 0 ? 0 : (+position || 0), string.length);
|
||||
|
||||
string = toString(string);
|
||||
position = baseClamp(toInteger(position), 0, string.length);
|
||||
return string.lastIndexOf(target, position) == position;
|
||||
}
|
||||
|
||||
|
||||
Reference in New Issue
Block a user