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add order by behaviour with array similar to get method (#4453)

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* add order by behaviour with array similar to get method

* remove typo for fixing orderby iteratee assignment

* lint fixes

* update test case

* include package-lock from master

* Add identity function for default iteratee
This commit is contained in:
Mohit Y
2019-08-31 00:38:49 +04:00
committed by John-David Dalton
parent ad38dc0115
commit 5df1777477
2 changed files with 28 additions and 1 deletions
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11
.internal/baseOrderBy.js
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@@ -1,8 +1,12 @@
import baseEach from './baseEach.js'
import baseSortBy from './baseSortBy.js'
import baseGet from './baseGet.js'
import compareMultiple from './compareMultiple.js'
import isArrayLike from '../isArrayLike.js'
// As existing identity function is in ../test/utils.js, so defining it here, it can be moved to utils
const identity = value => value;
/**
* The base implementation of `orderBy` without param guards.
*
@@ -15,7 +19,12 @@ import isArrayLike from '../isArrayLike.js'
function baseOrderBy(collection, iteratees, orders) {
let criteriaIndex = -1
let eachIndex = -1
iteratees = iteratees.length ? iteratees : [(value) => value]
iteratees = iteratees.length ? iteratees.map((iteratee) => {
if (Array.isArray(iteratee)) {
return (value) => baseGet(value, iteratee)
}
return iteratee
}) : [identity]
const result = isArrayLike(collection) ? new Array(collection.length) : []