mirror of
https://github.com/whoisclebs/lodash.git
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Bump to v4.0.0.
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John-David Dalton
22
lodash.tointeger/LICENSE
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22
lodash.tointeger/LICENSE
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Copyright 2012-2016 The Dojo Foundation <http://dojofoundation.org/>
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Based on Underscore.js, copyright 2009-2016 Jeremy Ashkenas,
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DocumentCloud and Investigative Reporters & Editors <http://underscorejs.org/>
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Permission is hereby granted, free of charge, to any person obtaining
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a copy of this software and associated documentation files (the
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"Software"), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish,
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distribute, sublicense, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject to
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the following conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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lodash.tointeger/README.md
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lodash.tointeger/README.md
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# lodash.tointeger v4.0.0
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The [lodash](https://lodash.com/) method `_.toInteger` exported as a [Node.js](https://nodejs.org/) module.
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## Installation
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Using npm:
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```bash
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$ {sudo -H} npm i -g npm
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$ npm i --save lodash.tointeger
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```
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In Node.js:
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```js
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var toInteger = require('lodash.tointeger');
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```
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See the [documentation](https://lodash.com/docs#toInteger) or [package source](https://github.com/lodash/lodash/blob/4.0.0-npm-packages/lodash.tointeger) for more details.
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169
lodash.tointeger/index.js
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169
lodash.tointeger/index.js
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/**
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* lodash 4.0.0 (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 2009-2016 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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/** Used as references for various `Number` constants. */
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var INFINITY = 1 / 0,
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MAX_INTEGER = 1.7976931348623157e+308,
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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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/** Built-in method references without a dependency on `global`. */
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var freeParseInt = parseInt;
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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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/**
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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 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 an integer.
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*
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* **Note:** This function is loosely based on [`ToInteger`](http://www.ecma-international.org/ecma-262/6.0/#sec-tointeger).
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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 convert.
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* @returns {number} Returns the converted integer.
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* @example
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*
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* _.toInteger(3);
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* // => 3
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*
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* _.toInteger(Number.MIN_VALUE);
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* // => 0
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*
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* _.toInteger(Infinity);
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* // => 1.7976931348623157e+308
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*
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* _.toInteger('3');
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* // => 3
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*/
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function toInteger(value) {
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if (!value) {
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return value === 0 ? value : 0;
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}
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value = toNumber(value);
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if (value === INFINITY || value === -INFINITY) {
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var sign = (value < 0 ? -1 : 1);
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return sign * MAX_INTEGER;
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}
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var remainder = value % 1;
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return value === value ? (remainder ? value - remainder : value) : 0;
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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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module.exports = toInteger;
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17
lodash.tointeger/package.json
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17
lodash.tointeger/package.json
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{
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"name": "lodash.tointeger",
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"version": "4.0.0",
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"description": "The lodash method `_.toInteger` exported as a module.",
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"homepage": "https://lodash.com/",
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"icon": "https://lodash.com/icon.svg",
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"license": "MIT",
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"keywords": "lodash, lodash-modularized, stdlib, util, tointeger",
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"author": "John-David Dalton <john.david.dalton@gmail.com> (http://allyoucanleet.com/)",
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"contributors": [
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"John-David Dalton <john.david.dalton@gmail.com> (http://allyoucanleet.com/)",
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"Blaine Bublitz <blaine@iceddev.com> (https://github.com/phated)",
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"Mathias Bynens <mathias@qiwi.be> (https://mathiasbynens.be/)"
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],
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"repository": "lodash/lodash",
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"scripts": { "test": "echo \"See https://travis-ci.org/lodash/lodash-cli for testing details.\"" }
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}
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