42 lines
921 B
TypeScript
42 lines
921 B
TypeScript
import * as plugins from './lik.plugins';
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/**
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* fast map allows for very quick lookups of objects with a unique key
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*/
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export class FastMap<T> {
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private mapObject: { [key: string]: T } = {};
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public isUniqueKey(keyArg: string): boolean {
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return this.mapObject[keyArg] ? false : true;
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}
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public addToMap(keyArg: string, objectArg: T): boolean {
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if (this.isUniqueKey(keyArg)) {
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this.mapObject[keyArg] = objectArg;
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return true;
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} else {
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return false;
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}
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}
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public getByKey(keyArg: string) {
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return this.mapObject[keyArg];
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}
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public removeFromMap(keyArg): T {
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const removedItem = this.getByKey(keyArg);
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delete this.mapObject[keyArg];
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return removedItem;
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}
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public getKeys() {
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const keys: string[] = [];
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for (const keyArg in this.mapObject) {
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if (this.mapObject[keyArg]) {
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keys.push(keyArg);
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}
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}
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return keys;
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}
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}
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