80 lines
No EOL
1.4 KiB
JavaScript
80 lines
No EOL
1.4 KiB
JavaScript
const pRandom = require("./prettyRandom.js");
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module.exports = class {
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constructor(indexingMode = false) {
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this.items = {};
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this.itemKeys = Object.keys(this.items);
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this.indexingMode = indexingMode;
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this.index = 0;
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this.iterableArray = [];
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}
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add(item, regenerate = true) {
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let id;
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if (this.indexingMode) {
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this.items[id = this.index] = item;
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} else {
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this.items[id = pRandom()] = item;
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}
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if (regenerate) this.regenerateIterableArray();
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this.itemKeys = Object.keys(this.items);
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this.index++;
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return this.items[id];
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}
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remove(id, regenerate = true) {
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delete this.items[id];
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if (regenerate) this.regenerateIterableArray();
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this.itemKeys = Object.keys(this.items);
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}
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removeFirstItem(regenerate = true) {
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delete this.items[this.itemKeys[0]];
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if (regenerate) this.regenerateIterableArray();
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this.itemKeys = Object.keys(this.items);
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}
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regenerateIterableArray() {
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this.iterableArray = new Array();
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for (let itemKey of this.itemKeys) {
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this.iterableArray.push(this.items[itemKey]);
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}
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}
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getFirstItem() {
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return this.items[this.itemKeys[0]];
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}
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getLength() {
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return this.itemKeys.length;
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}
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getKeyById(id) {
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return this.itemKeys[id];
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}
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getById(id) {
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return this.items[this.itemKeys[id]];
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}
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getByKey(key) {
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return this.items[key];
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}
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getKeys() {
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return this.itemKeys;
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}
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getItems() {
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return this.items;
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}
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getIterableItems() {
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return this.iterableArray;
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}
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} |