mirror of
https://github.com/whoisclebs/lodash.git
synced 2026-02-01 23:57:49 +00:00
121 lines
3.3 KiB
JavaScript
121 lines
3.3 KiB
JavaScript
/**
|
|
* lodash 4.3.0 (Custom Build) <https://lodash.com/>
|
|
* Build: `lodash modularize exports="npm" -o ./`
|
|
* Copyright jQuery Foundation and other contributors <https://jquery.org/>
|
|
* Released under MIT license <https://lodash.com/license>
|
|
* Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
|
|
* Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
|
|
*/
|
|
var baseFlatten = require('lodash._baseflatten'),
|
|
baseIteratee = require('lodash._baseiteratee'),
|
|
rest = require('lodash.rest');
|
|
|
|
/**
|
|
* A faster alternative to `Function#apply`, this function invokes `func`
|
|
* with the `this` binding of `thisArg` and the arguments of `args`.
|
|
*
|
|
* @private
|
|
* @param {Function} func The function to invoke.
|
|
* @param {*} thisArg The `this` binding of `func`.
|
|
* @param {...*} args The arguments to invoke `func` with.
|
|
* @returns {*} Returns the result of `func`.
|
|
*/
|
|
function apply(func, thisArg, args) {
|
|
var length = args.length;
|
|
switch (length) {
|
|
case 0: return func.call(thisArg);
|
|
case 1: return func.call(thisArg, args[0]);
|
|
case 2: return func.call(thisArg, args[0], args[1]);
|
|
case 3: return func.call(thisArg, args[0], args[1], args[2]);
|
|
}
|
|
return func.apply(thisArg, args);
|
|
}
|
|
|
|
/**
|
|
* A specialized version of `_.every` for arrays without support for
|
|
* iteratee shorthands.
|
|
*
|
|
* @private
|
|
* @param {Array} array The array to iterate over.
|
|
* @param {Function} predicate The function invoked per iteration.
|
|
* @returns {boolean} Returns `true` if all elements pass the predicate check,
|
|
* else `false`.
|
|
*/
|
|
function arrayEvery(array, predicate) {
|
|
var index = -1,
|
|
length = array.length;
|
|
|
|
while (++index < length) {
|
|
if (!predicate(array[index], index, array)) {
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* A specialized version of `_.map` for arrays without support for iteratee
|
|
* shorthands.
|
|
*
|
|
* @private
|
|
* @param {Array} array The array to iterate over.
|
|
* @param {Function} iteratee The function invoked per iteration.
|
|
* @returns {Array} Returns the new mapped array.
|
|
*/
|
|
function arrayMap(array, iteratee) {
|
|
var index = -1,
|
|
length = array.length,
|
|
result = Array(length);
|
|
|
|
while (++index < length) {
|
|
result[index] = iteratee(array[index], index, array);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* Creates a function like `_.over`.
|
|
*
|
|
* @private
|
|
* @param {Function} arrayFunc The function to iterate over iteratees.
|
|
* @returns {Function} Returns the new invoker function.
|
|
*/
|
|
function createOver(arrayFunc) {
|
|
return rest(function(iteratees) {
|
|
iteratees = arrayMap(baseFlatten(iteratees, 1), baseIteratee);
|
|
return rest(function(args) {
|
|
var thisArg = this;
|
|
return arrayFunc(iteratees, function(iteratee) {
|
|
return apply(iteratee, thisArg, args);
|
|
});
|
|
});
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Creates a function that checks if **all** of the `predicates` return
|
|
* truthy when invoked with the arguments provided to the created function.
|
|
*
|
|
* @static
|
|
* @memberOf _
|
|
* @since 4.0.0
|
|
* @category Util
|
|
* @param {...(Function|Function[])} predicates The predicates to check.
|
|
* @returns {Function} Returns the new function.
|
|
* @example
|
|
*
|
|
* var func = _.overEvery(Boolean, isFinite);
|
|
*
|
|
* func('1');
|
|
* // => true
|
|
*
|
|
* func(null);
|
|
* // => false
|
|
*
|
|
* func(NaN);
|
|
* // => false
|
|
*/
|
|
var overEvery = createOver(arrayEvery);
|
|
|
|
module.exports = overEvery;
|