Add someObj.

This commit is contained in:
John-David Dalton
2017-04-02 22:06:59 -07:00
parent 1bdda20e49
commit 6543d3277e
4 changed files with 42 additions and 55 deletions

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@@ -1,22 +0,0 @@
/**
* A specialized version of `some` for arrays.
*
* @private
* @param {Array} [array] The array to iterate over.
* @param {Function} predicate The function invoked per iteration.
* @returns {boolean} Returns `true` if any element passes the predicate check,
* else `false`.
*/
function arraySome(array, predicate) {
let index = -1
const length = array == null ? 0 : array.length
while (++index < length) {
if (predicate(array[index], index, array)) {
return true
}
}
return false
}
export default arraySome

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@@ -1,22 +0,0 @@
import baseEach from './baseEach.js'
/**
* The base implementation of `some`.
*
* @private
* @param {Array|Object} collection The collection to iterate over.
* @param {Function} predicate The function invoked per iteration.
* @returns {boolean} Returns `true` if any element passes the predicate check,
* else `false`.
*/
function baseSome(collection, predicate) {
let result
baseEach(collection, (value, index, collection) => {
result = predicate(value, index, collection)
return !result
})
return !!result
}
export default baseSome

26
some.js
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@@ -1,14 +1,11 @@
import arraySome from './.internal/arraySome.js'
import baseSome from './.internal/baseSome.js'
/**
* Checks if `predicate` returns truthy for **any** element of `collection`.
* Checks if `predicate` returns truthy for **any** element of `array`.
* Iteration is stopped once `predicate` returns truthy. The predicate is
* invoked with three arguments: (value, index|key, collection).
* invoked with three arguments: (value, index, array).
*
* @since 0.1.0
* @category Collection
* @param {Array|Object} collection The collection to iterate over.
* @since 5.0.0
* @category array
* @param {Array|Object} array The array to iterate over.
* @param {Function} predicate The function invoked per iteration.
* @returns {boolean} Returns `true` if any element passes the predicate check,
* else `false`.
@@ -17,9 +14,16 @@ import baseSome from './.internal/baseSome.js'
* some([null, 0, 'yes', false], Boolean)
* // => true
*/
function some(collection, predicate) {
const func = Array.isArray(collection) ? arraySome : baseSome
return func(collection, predicate)
function some(array, predicate) {
let index = -1
const length = array == null ? 0 : array.length
while (++index < length) {
if (predicate(array[index], index, array)) {
return true
}
}
return false
}
export default some

27
someObj.js Normal file
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@@ -0,0 +1,27 @@
/**
* Checks if `predicate` returns truthy for **any** element of `object`.
* Iteration is stopped once `predicate` returns truthy. The predicate is
* invoked with three arguments: (value, key, object).
*
* @since 5.0.0
* @category Object
* @param {Object} object The object to iterate over.
* @param {Function} predicate The function invoked per iteration.
* @returns {boolean} Returns `true` if any element passes the predicate check,
* else `false`.
* @example
*
* some([null, 0, 'yes', false], Boolean)
* // => true
*/
function someObj(object, predicate) {
let result
Object.keys(object).forEach((key) => {
result = predicate(object[key], key, object)
return !result
})
return !!result
}
export default someObj