| 1 | const Chainable = require('./Chainable');
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| 2 |
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| 3 | module.exports = class extends Chainable {
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| 4 | constructor(parent) {
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| 5 | super(parent);
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| 6 | this.store = new Set();
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| 7 | }
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| 8 |
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| 9 | add(value) {
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| 10 | this.store.add(value);
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| 11 | return this;
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| 12 | }
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| 13 |
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| 14 | prepend(value) {
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| 15 | this.store = new Set([value, ...this.store]);
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| 16 | return this;
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| 17 | }
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| 18 |
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| 19 | clear() {
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| 20 | this.store.clear();
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| 21 | return this;
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| 22 | }
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| 23 |
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| 24 | delete(value) {
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| 25 | this.store.delete(value);
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| 26 | return this;
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| 27 | }
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| 28 |
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| 29 | values() {
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| 30 | return [...this.store];
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| 31 | }
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| 32 |
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| 33 | has(value) {
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| 34 | return this.store.has(value);
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| 35 | }
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| 36 |
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| 37 | merge(arr) {
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| 38 | this.store = new Set([...this.store, ...arr]);
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| 39 | return this;
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| 40 | }
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| 41 |
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| 42 | when(
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| 43 | condition,
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| 44 | whenTruthy = Function.prototype,
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| 45 | whenFalsy = Function.prototype,
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| 46 | ) {
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| 47 | if (condition) {
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| 48 | whenTruthy(this);
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| 49 | } else {
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| 50 | whenFalsy(this);
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| 51 | }
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| 52 |
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| 53 | return this;
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| 54 | }
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| 55 | };
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