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refactor(utils): 7000..xx speed

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productdevbook 2025-01-14 22:16:39 +03:00
parent 57f4e5738f
commit d2f5e535ef
1 changed files with 4 additions and 15 deletions
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19
packages/kit/src/utils.ts
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@ -14,23 +14,12 @@ export function toArray<T> (value: T | T[]): T[] {
* and standard filterInPlace implementations.
*/
export function filterInPlace<T> (array: T[], predicate: (item: T, index: number, arr: T[]) => unknown) {
const len = array.length
if (len <= 16) {
for (let i = len; i--; i >= 0) {
if (!predicate(array[i]!, i, array)) {
array.splice(i, 1)
}
}
} else {
for (let i = len; i--; i >= 0) {
if (!predicate(array[i]!, i, array)) {
const last = --array.length
if (i < last) { array[i] = array[last]! }
}
for (let i = array.length; i--; i >= 0) {
if (!predicate(array[i]!, i, array)) {
const last = --array.length
if (i < last) { array[i] = array[last]! }
}
}
return array
}