mirror of
https://github.com/whoisclebs/lodash.git
synced 2026-01-29 06:27:49 +00:00
78 lines
2.2 KiB
JavaScript
78 lines
2.2 KiB
JavaScript
/**
|
|
* lodash 3.0.0 (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 1.7.0 <http://underscorejs.org/LICENSE>
|
|
* Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
|
|
* Available under MIT license <https://lodash.com/license>
|
|
*/
|
|
|
|
/**
|
|
* The base implementation of `baseForIn` and `baseForOwn` which iterates
|
|
* over `object` properties returned by `keysFunc` invoking `iteratee` for
|
|
* each property. Iterator functions may exit iteration early by explicitly
|
|
* returning `false`.
|
|
*
|
|
* @private
|
|
* @param {Object} object The object to iterate over.
|
|
* @param {Function} iteratee The function invoked per iteration.
|
|
* @param {Function} keysFunc The function to get the keys of `object`.
|
|
* @returns {Object} Returns `object`.
|
|
*/
|
|
function baseFor(object, iteratee, keysFunc) {
|
|
var index = -1,
|
|
iterable = toObject(object),
|
|
props = keysFunc(object),
|
|
length = props.length;
|
|
|
|
while (++index < length) {
|
|
var key = props[index];
|
|
if (iteratee(iterable[key], key, iterable) === false) {
|
|
break;
|
|
}
|
|
}
|
|
return object;
|
|
}
|
|
|
|
/**
|
|
* Converts `value` to an object if it is not one.
|
|
*
|
|
* @private
|
|
* @param {*} value The value to process.
|
|
* @returns {Object} Returns the object.
|
|
*/
|
|
function toObject(value) {
|
|
return isObject(value) ? value : Object(value);
|
|
}
|
|
|
|
/**
|
|
* Checks if `value` is the language type of `Object`.
|
|
* (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
|
|
*
|
|
* **Note:** See the [ES5 spec](https://es5.github.io/#x8) for more details.
|
|
*
|
|
* @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(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 type == 'function' || (value && type == 'object') || false;
|
|
}
|
|
|
|
module.exports = baseFor;
|