Don't mind me i'm adding the discord.js files

1 files changed, 365 insertions, 0 deletions

diff --git a/node_modules/discord.js/src/util/Collection.js b/node_modules/discord.js/src/util/Collection.js
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+/**
+ * A Map with additional utility methods. This is used throughout discord.js rather than Arrays for anything that has
+ * an ID, for significantly improved performance and ease-of-use.
+ * @extends {Map}
+ */
+class Collection extends Map {
+  constructor(iterable) {
+    super(iterable);
+
+    /**
+     * Cached array for the `array()` method - will be reset to `null` whenever `set()` or `delete()` are called.
+     * @type {?Array}
+     * @private
+     */
+    this._array = null;
+
+    /**
+     * Cached array for the `keyArray()` method - will be reset to `null` whenever `set()` or `delete()` are called.
+     * @type {?Array}
+     * @private
+     */
+    this._keyArray = null;
+  }
+
+  set(key, val) {
+    this._array = null;
+    this._keyArray = null;
+    return super.set(key, val);
+  }
+
+  delete(key) {
+    this._array = null;
+    this._keyArray = null;
+    return super.delete(key);
+  }
+
+  /**
+   * Creates an ordered array of the values of this collection, and caches it internally. The array will only be
+   * reconstructed if an item is added to or removed from the collection, or if you change the length of the array
+   * itself. If you don't want this caching behaviour, use `Array.from(collection.values())` instead.
+   * @returns {Array}
+   */
+  array() {
+    if (!this._array || this._array.length !== this.size) this._array = Array.from(this.values());
+    return this._array;
+  }
+
+  /**
+   * Creates an ordered array of the keys of this collection, and caches it internally. The array will only be
+   * reconstructed if an item is added to or removed from the collection, or if you change the length of the array
+   * itself. If you don't want this caching behaviour, use `Array.from(collection.keys())` instead.
+   * @returns {Array}
+   */
+  keyArray() {
+    if (!this._keyArray || this._keyArray.length !== this.size) this._keyArray = Array.from(this.keys());
+    return this._keyArray;
+  }
+
+  /**
+   * Obtains the first item in this collection.
+   * @returns {*}
+   */
+  first() {
+    return this.values().next().value;
+  }
+
+  /**
+   * Obtains the first key in this collection.
+   * @returns {*}
+   */
+  firstKey() {
+    return this.keys().next().value;
+  }
+
+  /**
+   * Obtains the last item in this collection. This relies on the `array()` method, and thus the caching mechanism
+   * applies here as well.
+   * @returns {*}
+   */
+  last() {
+    const arr = this.array();
+    return arr[arr.length - 1];
+  }
+
+  /**
+   * Obtains the last key in this collection. This relies on the `keyArray()` method, and thus the caching mechanism
+   * applies here as well.
+   * @returns {*}
+   */
+  lastKey() {
+    const arr = this.keyArray();
+    return arr[arr.length - 1];
+  }
+
+  /**
+   * Obtains a random item from this collection. This relies on the `array()` method, and thus the caching mechanism
+   * applies here as well.
+   * @returns {*}
+   */
+  random() {
+    const arr = this.array();
+    return arr[Math.floor(Math.random() * arr.length)];
+  }
+
+  /**
+   * Obtains a random key from this collection. This relies on the `keyArray()` method, and thus the caching mechanism
+   * applies here as well.
+   * @returns {*}
+   */
+  randomKey() {
+    const arr = this.keyArray();
+    return arr[Math.floor(Math.random() * arr.length)];
+  }
+
+  /**
+   * Searches for all items where their specified property's value is identical to the given value
+   * (`item[prop] === value`).
+   * @param {string} prop The property to test against
+   * @param {*} value The expected value
+   * @returns {Array}
+   * @example
+   * collection.findAll('username', 'Bob');
+   */
+  findAll(prop, value) {
+    if (typeof prop !== 'string') throw new TypeError('Key must be a string.');
+    if (typeof value === 'undefined') throw new Error('Value must be specified.');
+    const results = [];
+    for (const item of this.values()) {
+      if (item[prop] === value) results.push(item);
+    }
+    return results;
+  }
+
+  /**
+   * Searches for a single item where its specified property's value is identical to the given value
+   * (`item[prop] === value`), or the given function returns a truthy value. In the latter case, this is identical to
+   * [Array.find()](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/find).
+   * <warn>Do not use this to obtain an item by its ID. Instead, use `collection.get(id)`. See
+   * [MDN](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map/get) for details.</warn>
+   * @param {string|Function} propOrFn The property to test against, or the function to test with
+   * @param {*} [value] The expected value - only applicable and required if using a property for the first argument
+   * @returns {*}
+   * @example
+   * collection.find('username', 'Bob');
+   * @example
+   * collection.find(val => val.username === 'Bob');
+   */
+  find(propOrFn, value) {
+    if (typeof propOrFn === 'string') {
+      if (typeof value === 'undefined') throw new Error('Value must be specified.');
+      if (propOrFn === 'id') throw new RangeError('Don\'t use .find() with IDs. Instead, use .get(id).');
+      for (const item of this.values()) {
+        if (item[propOrFn] === value) return item;
+      }
+      return null;
+    } else if (typeof propOrFn === 'function') {
+      for (const [key, val] of this) {
+        if (propOrFn(val, key, this)) return val;
+      }
+      return null;
+    } else {
+      throw new Error('First argument must be a property string or a function.');
+    }
+  }
+
+  /* eslint-disable max-len */
+  /**
+   * Searches for the key of a single item where its specified property's value is identical to the given value
+   * (`item[prop] === value`), or the given function returns a truthy value. In the latter case, this is identical to
+   * [Array.findIndex()](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/findIndex).
+   * @param {string|Function} propOrFn The property to test against, or the function to test with
+   * @param {*} [value] The expected value - only applicable and required if using a property for the first argument
+   * @returns {*}
+   * @example
+   * collection.findKey('username', 'Bob');
+   * @example
+   * collection.findKey(val => val.username === 'Bob');
+   */
+  /* eslint-enable max-len */
+  findKey(propOrFn, value) {
+    if (typeof propOrFn === 'string') {
+      if (typeof value === 'undefined') throw new Error('Value must be specified.');
+      for (const [key, val] of this) {
+        if (val[propOrFn] === value) return key;
+      }
+      return null;
+    } else if (typeof propOrFn === 'function') {
+      for (const [key, val] of this) {
+        if (propOrFn(val, key, this)) return key;
+      }
+      return null;
+    } else {
+      throw new Error('First argument must be a property string or a function.');
+    }
+  }
+
+  /**
+   * Searches for the existence of a single item where its specified property's value is identical to the given value
+   * (`item[prop] === value`).
+   * <warn>Do not use this to check for an item by its ID. Instead, use `collection.has(id)`. See
+   * [MDN](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map/has) for details.</warn>
+   * @param {string} prop The property to test against
+   * @param {*} value The expected value
+   * @returns {boolean}
+   * @example
+   * if (collection.exists('username', 'Bob')) {
+   *  console.log('user here!');
+   * }
+   */
+  exists(prop, value) {
+    if (prop === 'id') throw new RangeError('Don\'t use .exists() with IDs. Instead, use .has(id).');
+    return Boolean(this.find(prop, value));
+  }
+
+  /**
+   * Identical to
+   * [Array.filter()](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/filter),
+   * but returns a Collection instead of an Array.
+   * @param {Function} fn Function used to test (should return a boolean)
+   * @param {Object} [thisArg] Value to use as `this` when executing function
+   * @returns {Collection}
+   */
+  filter(fn, thisArg) {
+    if (thisArg) fn = fn.bind(thisArg);
+    const results = new Collection();
+    for (const [key, val] of this) {
+      if (fn(val, key, this)) results.set(key, val);
+    }
+    return results;
+  }
+
+  /**
+   * Identical to
+   * [Array.filter()](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/filter).
+   * @param {Function} fn Function used to test (should return a boolean)
+   * @param {Object} [thisArg] Value to use as `this` when executing function
+   * @returns {Array}
+   */
+  filterArray(fn, thisArg) {
+    if (thisArg) fn = fn.bind(thisArg);
+    const results = [];
+    for (const [key, val] of this) {
+      if (fn(val, key, this)) results.push(val);
+    }
+    return results;
+  }
+
+  /**
+   * Identical to
+   * [Array.map()](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/map).
+   * @param {Function} fn Function that produces an element of the new array, taking three arguments
+   * @param {*} [thisArg] Value to use as `this` when executing function
+   * @returns {Array}
+   */
+  map(fn, thisArg) {
+    if (thisArg) fn = fn.bind(thisArg);
+    const arr = new Array(this.size);
+    let i = 0;
+    for (const [key, val] of this) arr[i++] = fn(val, key, this);
+    return arr;
+  }
+
+  /**
+   * Identical to
+   * [Array.some()](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/some).
+   * @param {Function} fn Function used to test (should return a boolean)
+   * @param {Object} [thisArg] Value to use as `this` when executing function
+   * @returns {boolean}
+   */
+  some(fn, thisArg) {
+    if (thisArg) fn = fn.bind(thisArg);
+    for (const [key, val] of this) {
+      if (fn(val, key, this)) return true;
+    }
+    return false;
+  }
+
+  /**
+   * Identical to
+   * [Array.every()](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/every).
+   * @param {Function} fn Function used to test (should return a boolean)
+   * @param {Object} [thisArg] Value to use as `this` when executing function
+   * @returns {boolean}
+   */
+  every(fn, thisArg) {
+    if (thisArg) fn = fn.bind(thisArg);
+    for (const [key, val] of this) {
+      if (!fn(val, key, this)) return false;
+    }
+    return true;
+  }
+
+  /**
+   * Identical to
+   * [Array.reduce()](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/reduce).
+   * @param {Function} fn Function used to reduce, taking four arguments; `accumulator`, `currentValue`, `currentKey`,
+   * and `collection`
+   * @param {*} [initialValue] Starting value for the accumulator
+   * @returns {*}
+   */
+  reduce(fn, initialValue) {
+    let accumulator;
+    if (typeof initialValue !== 'undefined') {
+      accumulator = initialValue;
+      for (const [key, val] of this) accumulator = fn(accumulator, val, key, this);
+    } else {
+      let first = true;
+      for (const [key, val] of this) {
+        if (first) {
+          accumulator = val;
+          first = false;
+          continue;
+        }
+        accumulator = fn(accumulator, val, key, this);
+      }
+    }
+    return accumulator;
+  }
+
+  /**
+   * Combines this collection with others into a new collection. None of the source collections are modified.
+   * @param {...Collection} collections Collections to merge
+   * @returns {Collection}
+   * @example const newColl = someColl.concat(someOtherColl, anotherColl, ohBoyAColl);
+   */
+  concat(...collections) {
+    const newColl = new this.constructor();
+    for (const [key, val] of this) newColl.set(key, val);
+    for (const coll of collections) {
+      for (const [key, val] of coll) newColl.set(key, val);
+    }
+    return newColl;
+  }
+
+  /**
+   * Calls the `delete()` method on all items that have it.
+   * @returns {Promise[]}
+   */
+  deleteAll() {
+    const returns = [];
+    for (const item of this.values()) {
+      if (item.delete) returns.push(item.delete());
+    }
+    return returns;
+  }
+
+  /**
+   * Checks if this collection shares identical key-value pairings with another.
+   * This is different to checking for equality using equal-signs, because
+   * the collections may be different objects, but contain the same data.
+   * @param {Collection} collection Collection to compare with
+   * @returns {boolean} Whether the collections have identical contents
+   */
+  equals(collection) {
+    if (!collection) return false;
+    if (this === collection) return true;
+    if (this.size !== collection.size) return false;
+    return !this.find((value, key) => {
+      const testVal = collection.get(key);
+      return testVal !== value || (testVal === undefined && !collection.has(key));
+    });
+  }
+}
+
+module.exports = Collection;