41 lines
1.3 KiB
JavaScript
41 lines
1.3 KiB
JavaScript
import { identity } from '../../function/identity.mjs';
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import { toArray } from '../_internal/toArray.mjs';
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import { property } from '../object/property.mjs';
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import { matches } from '../predicate/matches.mjs';
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import { matchesProperty } from '../predicate/matchesProperty.mjs';
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function findLastIndex(arr, doesMatch = identity, fromIndex = arr ? arr.length - 1 : 0) {
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if (!arr) {
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return -1;
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}
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if (fromIndex < 0) {
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fromIndex = Math.max(arr.length + fromIndex, 0);
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}
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else {
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fromIndex = Math.min(fromIndex, arr.length - 1);
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}
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const subArray = toArray(arr).slice(0, fromIndex + 1);
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switch (typeof doesMatch) {
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case 'function': {
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return subArray.findLastIndex(doesMatch);
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}
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case 'object': {
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if (Array.isArray(doesMatch) && doesMatch.length === 2) {
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const key = doesMatch[0];
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const value = doesMatch[1];
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return subArray.findLastIndex(matchesProperty(key, value));
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}
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else {
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return subArray.findLastIndex(matches(doesMatch));
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}
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}
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case 'number':
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case 'symbol':
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case 'string': {
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return subArray.findLastIndex(property(doesMatch));
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}
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}
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}
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export { findLastIndex };
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