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Diffstat (limited to 'backend/node_modules/lodash.isnumber/index.js')
-rw-r--r-- | backend/node_modules/lodash.isnumber/index.js | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/backend/node_modules/lodash.isnumber/index.js b/backend/node_modules/lodash.isnumber/index.js new file mode 100644 index 0000000..35a8573 --- /dev/null +++ b/backend/node_modules/lodash.isnumber/index.js @@ -0,0 +1,79 @@ +/** + * lodash 3.0.3 (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> + */ + +/** `Object#toString` result references. */ +var numberTag = '[object Number]'; + +/** Used for built-in method references. */ +var objectProto = 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; + +/** + * 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 `Number` primitive or object. + * + * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are classified + * as numbers, use the `_.isFinite` method. + * + * @static + * @memberOf _ + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`. + * @example + * + * _.isNumber(3); + * // => true + * + * _.isNumber(Number.MIN_VALUE); + * // => true + * + * _.isNumber(Infinity); + * // => true + * + * _.isNumber('3'); + * // => false + */ +function isNumber(value) { + return typeof value == 'number' || + (isObjectLike(value) && objectToString.call(value) == numberTag); +} + +module.exports = isNumber; |