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{"version":3,"sources":["../src/index.ts","../src/collection.ts"],"sourcesContent":["export * from './collection.js';\n\n/**\n * The {@link https://github.com/discordjs/discord.js/blob/main/packages/collection/#readme | @discordjs/collection} version\n * that you are currently using.\n */\n// This needs to explicitly be `string` so it is not typed as a \"const string\" that gets injected by esbuild\nexport const version = '1.5.3' as string;\n","/* eslint-disable no-param-reassign */\n/**\n * @internal\n */\nexport interface CollectionConstructor {\n\tnew (): Collection<unknown, unknown>;\n\tnew <K, V>(entries?: readonly (readonly [K, V])[] | null): Collection<K, V>;\n\tnew <K, V>(iterable: Iterable<readonly [K, V]>): Collection<K, V>;\n\treadonly prototype: Collection<unknown, unknown>;\n\treadonly [Symbol.species]: CollectionConstructor;\n}\n\n/**\n * Represents an immutable version of a collection\n */\nexport type ReadonlyCollection<K, V> = Omit<\n\tCollection<K, V>,\n\t'delete' | 'ensure' | 'forEach' | 'get' | 'reverse' | 'set' | 'sort' | 'sweep'\n> &\n\tReadonlyMap<K, V>;\n\n/**\n * Separate interface for the constructor so that emitted js does not have a constructor that overwrites itself\n *\n * @internal\n */\nexport interface Collection<K, V> extends Map<K, V> {\n\tconstructor: CollectionConstructor;\n}\n\n/**\n * A Map with additional utility methods. This is used throughout discord.js rather than Arrays for anything that has\n * an ID, for significantly improved performance and ease-of-use.\n *\n * @typeParam K - The key type this collection holds\n * @typeParam V - The value type this collection holds\n */\nexport class Collection<K, V> extends Map<K, V> {\n\t/**\n\t * Obtains the value of the given key if it exists, otherwise sets and returns the value provided by the default value generator.\n\t *\n\t * @param key - The key to get if it exists, or set otherwise\n\t * @param defaultValueGenerator - A function that generates the default value\n\t * @example\n\t * ```ts\n\t * collection.ensure(guildId, () => defaultGuildConfig);\n\t * ```\n\t */\n\tpublic ensure(key: K, defaultValueGenerator: (key: K, collection: this) => V): V {\n\t\tif (this.has(key)) return this.get(key)!;\n\t\tif (typeof defaultValueGenerator !== 'function') throw new TypeError(`${defaultValueGenerator} is not a function`);\n\t\tconst defaultValue = defaultValueGenerator(key, this);\n\t\tthis.set(key, defaultValue);\n\t\treturn defaultValue;\n\t}\n\n\t/**\n\t * Checks if all of the elements exist in the collection.\n\t *\n\t * @param keys - The keys of the elements to check for\n\t * @returns `true` if all of the elements exist, `false` if at least one does not exist.\n\t */\n\tpublic hasAll(...keys: K[]) {\n\t\treturn keys.every((key) => super.has(key));\n\t}\n\n\t/**\n\t * Checks if any of the elements exist in the collection.\n\t *\n\t * @param keys - The keys of the elements to check for\n\t * @returns `true` if any of the elements exist, `false` if none exist.\n\t */\n\tpublic hasAny(...keys: K[]) {\n\t\treturn keys.some((key) => super.has(key));\n\t}\n\n\t/**\n\t * Obtains the first value(s) in this collection.\n\t *\n\t * @param amount - Amount of values to obtain from the beginning\n\t * @returns A single value if no amount is provided or an array of values, starting from the end if amount is negative\n\t */\n\tpublic first(): V | undefined;\n\tpublic first(amount: number): V[];\n\tpublic first(amount?: number): V | V[] | undefined {\n\t\tif (amount === undefined) return this.values().next().value;\n\t\tif (amount < 0) return this.last(amount * -1);\n\t\tamount = Math.min(this.size, amount);\n\t\tconst iter = this.values();\n\t\treturn Array.from({ length: amount }, (): V => iter.next().value);\n\t}\n\n\t/**\n\t * Obtains the first key(s) in this collection.\n\t *\n\t * @param amount - Amount of keys to obtain from the beginning\n\t * @returns A single key if no amount is provided or an array of keys, starting from the end if\n\t * amount is negative\n\t */\n\tpublic firstKey(): K | undefined;\n\tpublic firstKey(amount: number): K
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