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Split out every into everyValue.
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@@ -1,22 +0,0 @@
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/**
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* A specialized version of `every` for arrays.
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*
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* @private
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* @param {Array} [array] The array to iterate over.
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* @param {Function} predicate The function invoked per iteration.
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* @returns {boolean} Returns `true` if all elements pass the predicate check,
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* else `false`.
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*/
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function arrayEvery(array, predicate) {
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let index = -1
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const length = array == null ? 0 : array.length
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while (++index < length) {
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if (!predicate(array[index], index, array)) {
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return false
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}
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}
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return true
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}
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export default arrayEvery
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@@ -1,21 +0,0 @@
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import baseEach from './baseEach.js'
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/**
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* The base implementation of `every`.
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*
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* @private
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* @param {Array|Object} collection The collection to iterate over.
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* @param {Function} predicate The function invoked per iteration.
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* @returns {boolean} Returns `true` if all elements pass the predicate check,
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* else `false`
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*/
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function baseEvery(collection, predicate) {
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let result = true
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baseEach(collection, (value, index, collection) => {
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result = !!predicate(value, index, collection)
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return result
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})
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return result
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}
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export default baseEvery
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30
every.js
30
every.js
@@ -1,19 +1,16 @@
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import arrayEvery from './.internal/arrayEvery.js'
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import baseEvery from './.internal/baseEvery.js'
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/**
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* Checks if `predicate` returns truthy for **all** elements of `collection`.
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* Checks if `predicate` returns truthy for **all** elements of `array`.
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* Iteration is stopped once `predicate` returns falsey. The predicate is
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* invoked with three arguments: (value, index|key, collection).
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* invoked with three arguments: (value, index, array).
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*
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* **Note:** This method returns `true` for
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* [empty collections](https://en.wikipedia.org/wiki/Empty_set) because
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* [empty arrays](https://en.wikipedia.org/wiki/Empty_set) because
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* [everything is true](https://en.wikipedia.org/wiki/Vacuous_truth) of
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* elements of empty collections.
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* elements of empty arrays.
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*
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* @since 0.1.0
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* @category Collection
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* @param {Array|Object} collection The collection to iterate over.
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* @since 5.0.0
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* @category array
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* @param {Array} array The array to iterate over.
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* @param {Function} predicate The function invoked per iteration.
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* @returns {boolean} Returns `true` if all elements pass the predicate check,
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* else `false`.
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@@ -22,9 +19,16 @@ import baseEvery from './.internal/baseEvery.js'
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* every([true, 1, null, 'yes'], Boolean)
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* // => false
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*/
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function every(collection, predicate) {
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const func = Array.isArray(collection) ? arrayEvery : baseEvery
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return func(collection, predicate)
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function every(array, predicate) {
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let index = -1
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const length = array == null ? 0 : array.length
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while (++index < length) {
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if (!predicate(array[index], index, array)) {
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return false
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}
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}
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return true
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}
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export default every
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32
everyValue.js
Normal file
32
everyValue.js
Normal file
@@ -0,0 +1,32 @@
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/**
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* Checks if `predicate` returns truthy for **all** properties of `object`.
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* Iteration is stopped once `predicate` returns falsey. The predicate is
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* invoked with three arguments: (value, key, object).
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*
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* **Note:** This method returns `true` for
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* [empty objects](https://en.wikipedia.org/wiki/Empty_set) because
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* [everything is true](https://en.wikipedia.org/wiki/Vacuous_truth) of
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* elements of empty objects.
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*
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* @since 5.0.0
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* @category object
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* @param {Object} object The object to iterate over.
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* @param {Function} predicate The function invoked per iteration.
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* @returns {boolean} Returns `true` if all properties pass the predicate check,
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* else `false`.
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* @example
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*
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* everyValue({ 'a': 0, 'b': 'yes', 'c': false }, Boolean)
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* // => false
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*/
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function everyValue(object, predicate) {
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const props = Object.keys(Object(object))
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for (const key of props) {
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if (!predicate(object[key], key, object)) {
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return false
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}
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}
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return true
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}
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export default everyValue
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