83 lines
2.7 KiB
JavaScript
83 lines
2.7 KiB
JavaScript
import { identity } from '../../function/identity.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 some(source, predicate, guard) {
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if (!source) {
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return false;
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}
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if (guard != null) {
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predicate = undefined;
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}
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if (predicate == null) {
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predicate = identity;
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}
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const values = Array.isArray(source) ? source : Object.values(source);
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switch (typeof predicate) {
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case 'function': {
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if (!Array.isArray(source)) {
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const keys = Object.keys(source);
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for (let i = 0; i < keys.length; i++) {
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const key = keys[i];
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const value = source[key];
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if (predicate(value, key, source)) {
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return true;
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}
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}
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return false;
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}
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for (let i = 0; i < source.length; i++) {
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if (predicate(source[i], i, source)) {
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return true;
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}
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}
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return false;
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}
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case 'object': {
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if (Array.isArray(predicate) && predicate.length === 2) {
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const key = predicate[0];
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const value = predicate[1];
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const matchFunc = matchesProperty(key, value);
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if (Array.isArray(source)) {
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for (let i = 0; i < source.length; i++) {
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if (matchFunc(source[i])) {
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return true;
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}
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}
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return false;
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}
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return values.some(matchFunc);
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}
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else {
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const matchFunc = matches(predicate);
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if (Array.isArray(source)) {
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for (let i = 0; i < source.length; i++) {
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if (matchFunc(source[i])) {
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return true;
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}
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}
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return false;
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}
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return values.some(matchFunc);
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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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const propFunc = property(predicate);
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if (Array.isArray(source)) {
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for (let i = 0; i < source.length; i++) {
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if (propFunc(source[i])) {
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return true;
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}
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}
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return false;
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}
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return values.some(propFunc);
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}
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}
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}
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export { some };
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