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@discordjs/collection

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@discordjs/collection

Utility data structure used in discord.js

  • 0.7.0-dev.1650931751-df64d3e
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  • npm
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2
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What is @discordjs/collection?

@discordjs/collection is a powerful utility for managing collections of data. It extends JavaScript's native Map class and provides additional methods that are useful for handling and manipulating collections, especially in the context of Discord bots.

What are @discordjs/collection's main functionalities?

Basic Collection Operations

This feature allows you to perform basic operations such as setting, getting, and checking the existence of elements in the collection.

const { Collection } = require('@discordjs/collection');
const collection = new Collection();
collection.set('key1', 'value1');
collection.set('key2', 'value2');
console.log(collection.get('key1')); // Output: value1
console.log(collection.has('key2')); // Output: true
console.log(collection.size); // Output: 2

Filtering and Mapping

This feature allows you to filter and map the elements in the collection, providing a way to transform and query the data.

const { Collection } = require('@discordjs/collection');
const collection = new Collection();
collection.set('key1', 10);
collection.set('key2', 20);
collection.set('key3', 30);
const filtered = collection.filter(value => value > 15);
console.log(filtered); // Output: Collection { 'key2' => 20, 'key3' => 30 }
const mapped = collection.map(value => value * 2);
console.log(mapped); // Output: [ 20, 40, 60 ]

Reducing and Finding

This feature allows you to reduce the collection to a single value and find specific elements based on a condition.

const { Collection } = require('@discordjs/collection');
const collection = new Collection();
collection.set('key1', 1);
collection.set('key2', 2);
collection.set('key3', 3);
const sum = collection.reduce((acc, value) => acc + value, 0);
console.log(sum); // Output: 6
const found = collection.find(value => value === 2);
console.log(found); // Output: 2

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Package last updated on 26 Apr 2022

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