57 lines
1.7 KiB
JavaScript
57 lines
1.7 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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const util_1 = require("./util/util");
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const ImplSequence_1 = require("./ImplSequence");
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var util_2 = require("./util/util");
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exports.toIterableIterator = util_2.toIterableIterator;
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function genSequence(i) {
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return new ImplSequence_1.ImplSequence(i);
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}
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exports.genSequence = genSequence;
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// Collection of entry points into GenSequence
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exports.GenSequence = {
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genSequence,
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sequenceFromRegExpMatch,
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sequenceFromObject,
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};
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/**
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* alias of toIterableIterator
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*/
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exports.toIterator = util_1.toIterableIterator;
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function* objectIterator(t) {
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const keys = new Set(Object.keys(t));
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for (const k in t) {
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// istanbul ignore else
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if (keys.has(k)) {
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yield [k, t[k]];
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}
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}
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}
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exports.objectIterator = objectIterator;
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function objectToSequence(t) {
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return sequenceFromObject(t);
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}
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exports.objectToSequence = objectToSequence;
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function sequenceFromObject(t) {
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return genSequence(() => objectIterator(t));
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}
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exports.sequenceFromObject = sequenceFromObject;
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function sequenceFromRegExpMatch(pattern, text) {
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function* doMatch() {
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const regex = new RegExp(pattern);
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let match;
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let lastIndex = undefined;
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while (match = regex.exec(text)) {
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// Make sure it stops if the index does not move forward.
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if (match.index === lastIndex) {
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break;
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}
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lastIndex = match.index;
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yield match;
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}
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}
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return genSequence(() => doMatch());
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}
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exports.sequenceFromRegExpMatch = sequenceFromRegExpMatch;
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exports.default = genSequence;
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//# sourceMappingURL=GenSequence.js.map
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