Updated ASet & Path Events
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15
src/aset.ts
15
src/aset.ts
@ -1,3 +1,5 @@
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import {isEqual} from './objects.ts';
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/**
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* An array which functions as a set. It guarantees unique elements
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* and provides set functions for comparisons
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@ -34,7 +36,7 @@ export class ASet<T> extends Array {
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delete(...items: T[]) {
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items.forEach(el => {
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const index = this.indexOf(el);
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if(index != -1) this.slice(index, 1);
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if(index != -1) this.splice(index, 1);
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})
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return this;
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}
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@ -57,6 +59,17 @@ export class ASet<T> extends Array {
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return this.indexOf(el) != -1;
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}
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/**
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* Find index number of element, or -1 if it doesn't exist. Matches by equality not reference
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*
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* @param {T} search Element to find
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* @param {number} fromIndex Starting index position
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* @return {number} Element index number or -1 if missing
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*/
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indexOf(search: T, fromIndex?: number): number {
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return super.findIndex((el: T) => isEqual(el, search), fromIndex);
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}
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/**
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* Create list of elements this set has in common with the comparison set
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* @param {ASet<T>} set Set to compare against
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