87 lines
2.5 KiB
JavaScript
87 lines
2.5 KiB
JavaScript
/**
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* lodash 3.0.2 (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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* 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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* Available under MIT license <https://lodash.com/license>
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*/
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/**
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* The base implementation of `baseForIn` and `baseForOwn` which iterates
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* over `object` properties returned by `keysFunc` invoking `iteratee` for
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* each property. Iteratee functions may exit iteration early by explicitly
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* returning `false`.
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*
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* @private
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* @param {Object} object The object to iterate over.
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* @param {Function} iteratee The function invoked per iteration.
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* @param {Function} keysFunc The function to get the keys of `object`.
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* @returns {Object} Returns `object`.
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*/
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var baseFor = createBaseFor();
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/**
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* Creates a base function for `_.forIn` or `_.forInRight`.
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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 base function.
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*/
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function createBaseFor(fromRight) {
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return function(object, iteratee, keysFunc) {
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var iterable = toObject(object),
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props = keysFunc(object),
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length = props.length,
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index = fromRight ? length : -1;
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while ((fromRight ? index-- : ++index < length)) {
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var key = props[index];
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if (iteratee(iterable[key], key, iterable) === false) {
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break;
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}
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}
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return object;
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};
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}
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/**
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* Converts `value` to an object if it's not one.
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*
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* @private
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* @param {*} value The value to process.
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* @returns {Object} Returns the object.
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*/
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function toObject(value) {
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return isObject(value) ? value : Object(value);
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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(1);
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* // => false
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*/
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function isObject(value) {
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// Avoid a V8 JIT bug in Chrome 19-20.
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// See https://code.google.com/p/v8/issues/detail?id=2291 for more details.
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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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module.exports = baseFor;
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