39 lines
647 B
JavaScript
39 lines
647 B
JavaScript
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"use strict";
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exports.__esModule = true;
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exports.empty = empty;
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exports.first = first;
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exports.split = split;
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/**
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* @license
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* Copyright (c) 2024 Handsoncode. All rights reserved.
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*/
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function* empty() {}
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function split(iterable) {
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const iterator = iterable[Symbol.iterator]();
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const {
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done,
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value
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} = iterator.next();
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if (done) {
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return {
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rest: empty()
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};
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} else {
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return {
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value,
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rest: iterator
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};
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}
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}
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function first(iterable) {
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const iterator = iterable[Symbol.iterator]();
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const {
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done,
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value
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} = iterator.next();
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if (!done) {
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return value;
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}
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return undefined;
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}
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