|
- export interface CollectionConstructor {
- new (): Collection<unknown, unknown>;
- new <K, V>(entries?: ReadonlyArray<readonly [K, V]> | null): Collection<K, V>;
- new <K, V>(iterable: Iterable<readonly [K, V]>): Collection<K, V>;
- readonly prototype: Collection<unknown, unknown>;
- readonly [Symbol.species]: CollectionConstructor;
- }
- /**
- * 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}
- * @property {number} size - The amount of elements in this collection.
- */
- declare class Collection<K, V> extends Map<K, V> {
- private _array;
- private _keyArray;
- static readonly default: typeof Collection;
- ['constructor']: typeof Collection;
- constructor(entries?: ReadonlyArray<readonly [K, V]> | null);
- /**
- * Identical to [Map.get()](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map/get).
- * Gets an element with the specified key, and returns its value, or `undefined` if the element does not exist.
- * @param {*} key - The key to get from this collection
- * @returns {* | undefined}
- */
- get(key: K): V | undefined;
- /**
- * Identical to [Map.set()](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map/set).
- * Sets a new element in the collection with the specified key and value.
- * @param {*} key - The key of the element to add
- * @param {*} value - The value of the element to add
- * @returns {Collection}
- */
- set(key: K, value: V): this;
- /**
- * Identical to [Map.has()](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map/has).
- * Checks if an element exists in the collection.
- * @param {*} key - The key of the element to check for
- * @returns {boolean} `true` if the element exists, `false` if it does not exist.
- */
- has(key: K): boolean;
- /**
- * Identical to [Map.delete()](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map/delete).
- * Deletes an element from the collection.
- * @param {*} key - The key to delete from the collection
- * @returns {boolean} `true` if the element was removed, `false` if the element does not exist.
- */
- delete(key: K): boolean;
- /**
- * Identical to [Map.clear()](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map/clear).
- * Removes all elements from the collection.
- * @returns {undefined}
- */
- clear(): void;
- /**
- * 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 behavior, use `[...collection.values()]` or
- * `Array.from(collection.values())` instead.
- * @returns {Array}
- */
- array(): V[];
- /**
- * 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 behavior, use `[...collection.keys()]` or
- * `Array.from(collection.keys())` instead.
- * @returns {Array}
- */
- keyArray(): K[];
- /**
- * Obtains the first value(s) in this collection.
- * @param {number} [amount] Amount of values to obtain from the beginning
- * @returns {*|Array<*>} A single value if no amount is provided or an array of values, starting from the end if
- * amount is negative
- */
- first(): V | undefined;
- first(amount: number): V[];
- /**
- * Obtains the first key(s) in this collection.
- * @param {number} [amount] Amount of keys to obtain from the beginning
- * @returns {*|Array<*>} A single key if no amount is provided or an array of keys, starting from the end if
- * amount is negative
- */
- firstKey(): K | undefined;
- firstKey(amount: number): K[];
- /**
- * Obtains the last value(s) in this collection. This relies on {@link Collection#array}, and thus the caching
- * mechanism applies here as well.
- * @param {number} [amount] Amount of values to obtain from the end
- * @returns {*|Array<*>} A single value if no amount is provided or an array of values, starting from the start if
- * amount is negative
- */
- last(): V | undefined;
- last(amount: number): V[];
- /**
- * Obtains the last key(s) in this collection. This relies on {@link Collection#keyArray}, and thus the caching
- * mechanism applies here as well.
- * @param {number} [amount] Amount of keys to obtain from the end
- * @returns {*|Array<*>} A single key if no amount is provided or an array of keys, starting from the start if
- * amount is negative
- */
- lastKey(): K | undefined;
- lastKey(amount: number): K[];
- /**
- * Obtains unique random value(s) from this collection. This relies on {@link Collection#array}, and thus the caching
- * mechanism applies here as well.
- * @param {number} [amount] Amount of values to obtain randomly
- * @returns {*|Array<*>} A single value if no amount is provided or an array of values
- */
- random(): V;
- random(amount: number): V[];
- /**
- * Obtains unique random key(s) from this collection. This relies on {@link Collection#keyArray}, and thus the caching
- * mechanism applies here as well.
- * @param {number} [amount] Amount of keys to obtain randomly
- * @returns {*|Array<*>} A single key if no amount is provided or an array
- */
- randomKey(): K;
- randomKey(amount: number): K[];
- /**
- * Searches for a single item where the given function returns a truthy value. This behaves like
- * [Array.find()](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/find).
- * <warn>All collections used in Discord.js are mapped using their `id` property, and if you want to find by id you
- * should use the `get` method. See
- * [MDN](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map/get) for details.</warn>
- * @param {Function} fn The function to test with (should return boolean)
- * @param {*} [thisArg] Value to use as `this` when executing function
- * @returns {*}
- * @example collection.find(user => user.username === 'Bob');
- */
- find(fn: (value: V, key: K, collection: this) => boolean): V | undefined;
- find<T>(fn: (this: T, value: V, key: K, collection: this) => boolean, thisArg: T): V | undefined;
- /**
- * Searches for the key of a single item where the given function returns a truthy value. This behaves like
- * [Array.findIndex()](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/findIndex),
- * but returns the key rather than the positional index.
- * @param {Function} fn The function to test with (should return boolean)
- * @param {*} [thisArg] Value to use as `this` when executing function
- * @returns {*}
- * @example collection.findKey(user => user.username === 'Bob');
- */
- findKey(fn: (value: V, key: K, collection: this) => boolean): K | undefined;
- findKey<T>(fn: (this: T, value: V, key: K, collection: this) => boolean, thisArg: T): K | undefined;
- /**
- * Removes items that satisfy the provided filter function.
- * @param {Function} fn Function used to test (should return a boolean)
- * @param {*} [thisArg] Value to use as `this` when executing function
- * @returns {number} The number of removed entries
- */
- sweep(fn: (value: V, key: K, collection: this) => boolean): number;
- sweep<T>(fn: (this: T, value: V, key: K, collection: this) => boolean, thisArg: T): number;
- /**
- * 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 The function to test with (should return boolean)
- * @param {*} [thisArg] Value to use as `this` when executing function
- * @returns {Collection}
- * @example collection.filter(user => user.username === 'Bob');
- */
- filter(fn: (value: V, key: K, collection: this) => boolean): this;
- filter<T>(fn: (this: T, value: V, key: K, collection: this) => boolean, thisArg: T): this;
- /**
- * Partitions the collection into two collections where the first collection
- * contains the items that passed and the second contains the items that failed.
- * @param {Function} fn Function used to test (should return a boolean)
- * @param {*} [thisArg] Value to use as `this` when executing function
- * @returns {Collection[]}
- * @example const [big, small] = collection.partition(guild => guild.memberCount > 250);
- */
- partition(fn: (value: V, key: K, collection: this) => boolean): [this, this];
- partition<T>(fn: (this: T, value: V, key: K, collection: this) => boolean, thisArg: T): [this, this];
- /**
- * Maps each item into a Collection, then joins the results into a single Collection. Identical in behavior to
- * [Array.flatMap()](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/flatMap).
- * @param {Function} fn Function that produces a new Collection
- * @param {*} [thisArg] Value to use as `this` when executing function
- * @returns {Collection}
- * @example collection.flatMap(guild => guild.members);
- */
- flatMap<T>(fn: (value: V, key: K, collection: this) => Collection<K, T>): Collection<K, T>;
- flatMap<T, This>(fn: (this: This, value: V, key: K, collection: this) => Collection<K, T>, thisArg: This): Collection<K, T>;
- /**
- * Maps each item to another value into an array. Identical in behavior 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}
- * @example collection.map(user => user.tag);
- */
- map<T>(fn: (value: V, key: K, collection: this) => T): T[];
- map<This, T>(fn: (this: This, value: V, key: K, collection: this) => T, thisArg: This): T[];
- /**
- * Maps each item to another value into a collection. Identical in behavior 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 collection, taking three arguments
- * @param {*} [thisArg] Value to use as `this` when executing function
- * @returns {Collection}
- * @example collection.mapValues(user => user.tag);
- */
- mapValues<T>(fn: (value: V, key: K, collection: this) => T): Collection<K, T>;
- mapValues<This, T>(fn: (this: This, value: V, key: K, collection: this) => T, thisArg: This): Collection<K, T>;
- /**
- * Checks if there exists an item that passes a test. Identical in behavior 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 {*} [thisArg] Value to use as `this` when executing function
- * @returns {boolean}
- * @example collection.some(user => user.discriminator === '0000');
- */
- some(fn: (value: V, key: K, collection: this) => boolean): boolean;
- some<T>(fn: (this: T, value: V, key: K, collection: this) => boolean, thisArg: T): boolean;
- /**
- * Checks if all items passes a test. Identical in behavior 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 {*} [thisArg] Value to use as `this` when executing function
- * @returns {boolean}
- * @example collection.every(user => !user.bot);
- */
- every(fn: (value: V, key: K, collection: this) => boolean): boolean;
- every<T>(fn: (this: T, value: V, key: K, collection: this) => boolean, thisArg: T): boolean;
- /**
- * Applies a function to produce a single value. Identical in behavior 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 {*}
- * @example collection.reduce((acc, guild) => acc + guild.memberCount, 0);
- */
- reduce<T>(fn: (accumulator: T, value: V, key: K, collection: this) => T, initialValue?: T): T;
- /**
- * Identical to
- * [Map.forEach()](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map/forEach),
- * but returns the collection instead of undefined.
- * @param {Function} fn Function to execute for each element
- * @param {*} [thisArg] Value to use as `this` when executing function
- * @returns {Collection}
- * @example
- * collection
- * .each(user => console.log(user.username))
- * .filter(user => user.bot)
- * .each(user => console.log(user.username));
- */
- each(fn: (value: V, key: K, collection: this) => void): this;
- each<T>(fn: (this: T, value: V, key: K, collection: this) => void, thisArg: T): this;
- /**
- * Runs a function on the collection and returns the collection.
- * @param {Function} fn Function to execute
- * @param {*} [thisArg] Value to use as `this` when executing function
- * @returns {Collection}
- * @example
- * collection
- * .tap(coll => console.log(coll.size))
- * .filter(user => user.bot)
- * .tap(coll => console.log(coll.size))
- */
- tap(fn: (collection: this) => void): this;
- tap<T>(fn: (this: T, collection: this) => void, thisArg: T): this;
- /**
- * Creates an identical shallow copy of this collection.
- * @returns {Collection}
- * @example const newColl = someColl.clone();
- */
- clone(): this;
- /**
- * 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: Collection<K, V>[]): this;
- /**
- * Checks if this collection shares identical items 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: Collection<K, V>): boolean;
- /**
- * The sort method sorts the items of a collection in place and returns it.
- * The sort is not necessarily stable. The default sort order is according to string Unicode code points.
- * @param {Function} [compareFunction] Specifies a function that defines the sort order.
- * If omitted, the collection is sorted according to each character's Unicode code point value,
- * according to the string conversion of each element.
- * @returns {Collection}
- * @example collection.sort((userA, userB) => userA.createdTimestamp - userB.createdTimestamp);
- */
- sort(compareFunction?: (firstValue: V, secondValue: V, firstKey: K, secondKey: K) => number): this;
- /**
- * The intersect method returns a new structure containing items where the keys are present in both original structures.
- * @param {Collection} other The other Collection to filter against
- * @returns {Collection}
- */
- intersect(other: Collection<K, V>): Collection<K, V>;
- /**
- * The difference method returns a new structure containing items where the key is present in one of the original structures but not the other.
- * @param {Collection} other The other Collection to filter against
- * @returns {Collection}
- */
- difference(other: Collection<K, V>): Collection<K, V>;
- /**
- * The sorted method sorts the items of a collection and returns it.
- * The sort is not necessarily stable. The default sort order is according to string Unicode code points.
- * @param {Function} [compareFunction] Specifies a function that defines the sort order.
- * If omitted, the collection is sorted according to each character's Unicode code point value,
- * according to the string conversion of each element.
- * @returns {Collection}
- * @example collection.sorted((userA, userB) => userA.createdTimestamp - userB.createdTimestamp);
- */
- sorted(compareFunction?: (firstValue: V, secondValue: V, firstKey: K, secondKey: K) => number): this;
- }
- export { Collection };
- export default Collection;
|