// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license. /// /// /// /// /// /// declare namespace Deno { export {}; // stop default export type behavior /** **UNSTABLE**: New API, yet to be vetted. * * Retrieve the process umask. If `mask` is provided, sets the process umask. * This call always returns what the umask was before the call. * * ```ts * console.log(Deno.umask()); // e.g. 18 (0o022) * const prevUmaskValue = Deno.umask(0o077); // e.g. 18 (0o022) * console.log(Deno.umask()); // e.g. 63 (0o077) * ``` * * This API is under consideration to determine if permissions are required to * call it. * * *Note*: This API is not implemented on Windows * * @category File System */ export function umask(mask?: number): number; /** **UNSTABLE**: New API, yet to be vetted. * * All plain number types for interfacing with foreign functions. * * @category FFI */ type NativeNumberType = | "u8" | "i8" | "u16" | "i16" | "u32" | "i32" | "f32" | "f64"; /** **UNSTABLE**: New API, yet to be vetted. * * All BigInt number types for interfacing with foreign functions. * * @category FFI */ type NativeBigIntType = | "u64" | "i64" | "usize" | "isize"; /** **UNSTABLE**: New API, yet to be vetted. * * The native boolean type for interfacing to foreign functions. * * @category FFI */ type NativeBooleanType = "bool"; /** **UNSTABLE**: New API, yet to be vetted. * * The native pointer type for interfacing to foreign functions. * * @category FFI */ type NativePointerType = "pointer"; /** **UNSTABLE**: New API, yet to be vetted. * * The native buffer type for interfacing to foreign functions. * * @category FFI */ type NativeBufferType = "buffer"; /** **UNSTABLE**: New API, yet to be vetted. * * The native function type for interfacing with foreign functions. * * @category FFI */ type NativeFunctionType = "function"; /** **UNSTABLE**: New API, yet to be vetted. * * The native void type for interfacing with foreign functions. * * @category FFI */ type NativeVoidType = "void"; /** **UNSTABLE**: New API, yet to be vetted. * * The native struct type for interfacing with foreign functions. * * @category FFI */ type NativeStructType = { readonly struct: readonly NativeType[] }; /** @category FFI */ const brand: unique symbol; /** @category FFI */ export type NativeU8Enum = "u8" & { [brand]: T }; /** @category FFI */ export type NativeI8Enum = "i8" & { [brand]: T }; /** @category FFI */ export type NativeU16Enum = "u16" & { [brand]: T }; /** @category FFI */ export type NativeI16Enum = "i16" & { [brand]: T }; /** @category FFI */ export type NativeU32Enum = "u32" & { [brand]: T }; /** @category FFI */ export type NativeI32Enum = "i32" & { [brand]: T }; /** @category FFI */ export type NativeTypedPointer = "pointer" & { [brand]: T; }; export type NativeTypedFunction = & "function" & { [brand]: T; }; /** **UNSTABLE**: New API, yet to be vetted. * * All supported types for interfacing with foreign functions. * * @category FFI */ export type NativeType = | NativeNumberType | NativeBigIntType | NativeBooleanType | NativePointerType | NativeBufferType | NativeFunctionType | NativeStructType; /** **UNSTABLE**: New API, yet to be vetted. * * @category FFI */ export type NativeResultType = NativeType | NativeVoidType; /** **UNSTABLE**: New API, yet to be vetted. * * Type conversion for foreign symbol parameters and unsafe callback return * types. * * @category FFI */ type ToNativeType = T extends NativeStructType ? BufferSource : T extends NativeNumberType ? T extends NativeU8Enum ? U : T extends NativeI8Enum ? U : T extends NativeU16Enum ? U : T extends NativeI16Enum ? U : T extends NativeU32Enum ? U : T extends NativeI32Enum ? U : number : T extends NativeBigIntType ? number | bigint : T extends NativeBooleanType ? boolean : T extends NativePointerType ? T extends NativeTypedPointer ? U | null : PointerValue : T extends NativeFunctionType ? T extends NativeTypedFunction ? PointerValue | null : PointerValue : T extends NativeBufferType ? BufferSource | null : never; /** **UNSTABLE**: New API, yet to be vetted. * * Type conversion for unsafe callback return types. * * @category FFI */ type ToNativeResultType = T extends NativeStructType ? BufferSource : T extends NativeNumberType ? T extends NativeU8Enum ? U : T extends NativeI8Enum ? U : T extends NativeU16Enum ? U : T extends NativeI16Enum ? U : T extends NativeU32Enum ? U : T extends NativeI32Enum ? U : number : T extends NativeBigIntType ? number | bigint : T extends NativeBooleanType ? boolean : T extends NativePointerType ? T extends NativeTypedPointer ? U | null : PointerValue : T extends NativeFunctionType ? T extends NativeTypedFunction ? PointerObject | null : PointerValue : T extends NativeBufferType ? BufferSource | null : T extends NativeVoidType ? void : never; /** **UNSTABLE**: New API, yet to be vetted. * * A utility type for conversion of parameter types of foreign functions. * * @category FFI */ type ToNativeParameterTypes = // [(T[number])[]] extends [T] ? ToNativeType[] : [readonly (T[number])[]] extends [T] ? readonly ToNativeType[] : T extends readonly [...NativeType[]] ? { [K in keyof T]: ToNativeType; } : never; /** **UNSTABLE**: New API, yet to be vetted. * * Type conversion for foreign symbol return types and unsafe callback * parameters. * * @category FFI */ type FromNativeType = T extends NativeStructType ? Uint8Array : T extends NativeNumberType ? T extends NativeU8Enum ? U : T extends NativeI8Enum ? U : T extends NativeU16Enum ? U : T extends NativeI16Enum ? U : T extends NativeU32Enum ? U : T extends NativeI32Enum ? U : number : T extends NativeBigIntType ? number | bigint : T extends NativeBooleanType ? boolean : T extends NativePointerType ? T extends NativeTypedPointer ? U | null : PointerValue : T extends NativeBufferType ? PointerValue : T extends NativeFunctionType ? T extends NativeTypedFunction ? PointerObject | null : PointerValue : never; /** **UNSTABLE**: New API, yet to be vetted. * * Type conversion for foreign symbol return types. * * @category FFI */ type FromNativeResultType = T extends NativeStructType ? Uint8Array : T extends NativeNumberType ? T extends NativeU8Enum ? U : T extends NativeI8Enum ? U : T extends NativeU16Enum ? U : T extends NativeI16Enum ? U : T extends NativeU32Enum ? U : T extends NativeI32Enum ? U : number : T extends NativeBigIntType ? number | bigint : T extends NativeBooleanType ? boolean : T extends NativePointerType ? T extends NativeTypedPointer ? U | null : PointerValue : T extends NativeBufferType ? PointerValue : T extends NativeFunctionType ? T extends NativeTypedFunction ? PointerObject | null : PointerValue : T extends NativeVoidType ? void : never; /** **UNSTABLE**: New API, yet to be vetted. * * @category FFI */ type FromNativeParameterTypes< T extends readonly NativeType[], > = // [(T[number])[]] extends [T] ? FromNativeType[] : [readonly (T[number])[]] extends [T] ? readonly FromNativeType[] : T extends readonly [...NativeType[]] ? { [K in keyof T]: FromNativeType; } : never; /** **UNSTABLE**: New API, yet to be vetted. * * The interface for a foreign function as defined by its parameter and result * types. * * @category FFI */ export interface ForeignFunction< Parameters extends readonly NativeType[] = readonly NativeType[], Result extends NativeResultType = NativeResultType, NonBlocking extends boolean = boolean, > { /** Name of the symbol. * * Defaults to the key name in symbols object. */ name?: string; /** The parameters of the foreign function. */ parameters: Parameters; /** The result (return value) of the foreign function. */ result: Result; /** When `true`, function calls will run on a dedicated blocking thread and * will return a `Promise` resolving to the `result`. */ nonblocking?: NonBlocking; /** When `true`, function calls can safely callback into JavaScript or * trigger a garbage collection event. * * @default {false} */ callback?: boolean; /** When `true`, dlopen will not fail if the symbol is not found. * Instead, the symbol will be set to `null`. * * @default {false} */ optional?: boolean; } /** **UNSTABLE**: New API, yet to be vetted. * * @category FFI */ export interface ForeignStatic { /** Name of the symbol, defaults to the key name in symbols object. */ name?: string; /** The type of the foreign static value. */ type: Type; /** When `true`, dlopen will not fail if the symbol is not found. * Instead, the symbol will be set to `null`. * * @default {false} */ optional?: boolean; } /** **UNSTABLE**: New API, yet to be vetted. * * A foreign library interface descriptor. * * @category FFI */ export interface ForeignLibraryInterface { [name: string]: ForeignFunction | ForeignStatic; } /** **UNSTABLE**: New API, yet to be vetted. * * A utility type that infers a foreign symbol. * * @category FFI */ type StaticForeignSymbol = T extends ForeignFunction ? FromForeignFunction : T extends ForeignStatic ? FromNativeType : never; /** **UNSTABLE**: New API, yet to be vetted. * * @category FFI */ type FromForeignFunction = T["parameters"] extends readonly [] ? () => StaticForeignSymbolReturnType : ( ...args: ToNativeParameterTypes ) => StaticForeignSymbolReturnType; /** **UNSTABLE**: New API, yet to be vetted. * * @category FFI */ type StaticForeignSymbolReturnType = ConditionalAsync>; /** **UNSTABLE**: New API, yet to be vetted. * * @category FFI */ type ConditionalAsync = IsAsync extends true ? Promise : T; /** **UNSTABLE**: New API, yet to be vetted. * * A utility type that infers a foreign library interface. * * @category FFI */ type StaticForeignLibraryInterface = { [K in keyof T]: T[K]["optional"] extends true ? StaticForeignSymbol | null : StaticForeignSymbol; }; /** **UNSTABLE**: New API, yet to be vetted. * * A non-null pointer, represented as an object * at runtime. The object's prototype is `null` * and cannot be changed. The object cannot be * assigned to either and is thus entirely read-only. * * To interact with memory through a pointer use the * {@linkcode UnsafePointerView} class. To create a * pointer from an address or the get the address of * a pointer use the static methods of the * {@linkcode UnsafePointer} class. * * @category FFI */ export type PointerObject = { [brand]: T }; /** **UNSTABLE**: New API, yet to be vetted. * * Pointers are represented either with a {@linkcode PointerObject} * object or a `null` if the pointer is null. * * @category FFI */ export type PointerValue = null | PointerObject; /** **UNSTABLE**: New API, yet to be vetted. * * A collection of static functions for interacting with pointer objects. * * @category FFI */ export class UnsafePointer { /** Create a pointer from a numeric value. This one is really dangerous! */ static create(value: number | bigint): PointerValue; /** Returns `true` if the two pointers point to the same address. */ static equals(a: PointerValue, b: PointerValue): boolean; /** Return the direct memory pointer to the typed array in memory. */ static of( value: Deno.UnsafeCallback | BufferSource, ): PointerValue; /** Return a new pointer offset from the original by `offset` bytes. */ static offset( value: PointerObject, offset: number, ): PointerValue; /** Get the numeric value of a pointer */ static value(value: PointerValue): number | bigint; } /** **UNSTABLE**: New API, yet to be vetted. * * An unsafe pointer view to a memory location as specified by the `pointer` * value. The `UnsafePointerView` API follows the standard built in interface * {@linkcode DataView} for accessing the underlying types at an memory * location (numbers, strings and raw bytes). * * @category FFI */ export class UnsafePointerView { constructor(pointer: PointerObject); pointer: PointerObject; /** Gets a boolean at the specified byte offset from the pointer. */ getBool(offset?: number): boolean; /** Gets an unsigned 8-bit integer at the specified byte offset from the * pointer. */ getUint8(offset?: number): number; /** Gets a signed 8-bit integer at the specified byte offset from the * pointer. */ getInt8(offset?: number): number; /** Gets an unsigned 16-bit integer at the specified byte offset from the * pointer. */ getUint16(offset?: number): number; /** Gets a signed 16-bit integer at the specified byte offset from the * pointer. */ getInt16(offset?: number): number; /** Gets an unsigned 32-bit integer at the specified byte offset from the * pointer. */ getUint32(offset?: number): number; /** Gets a signed 32-bit integer at the specified byte offset from the * pointer. */ getInt32(offset?: number): number; /** Gets an unsigned 64-bit integer at the specified byte offset from the * pointer. */ getBigUint64(offset?: number): number | bigint; /** Gets a signed 64-bit integer at the specified byte offset from the * pointer. */ getBigInt64(offset?: number): number | bigint; /** Gets a signed 32-bit float at the specified byte offset from the * pointer. */ getFloat32(offset?: number): number; /** Gets a signed 64-bit float at the specified byte offset from the * pointer. */ getFloat64(offset?: number): number; /** Gets a pointer at the specified byte offset from the pointer */ getPointer(offset?: number): PointerValue; /** Gets a C string (`null` terminated string) at the specified byte offset * from the pointer. */ getCString(offset?: number): string; /** Gets a C string (`null` terminated string) at the specified byte offset * from the specified pointer. */ static getCString( pointer: PointerObject, offset?: number, ): string; /** Gets an `ArrayBuffer` of length `byteLength` at the specified byte * offset from the pointer. */ getArrayBuffer(byteLength: number, offset?: number): ArrayBuffer; /** Gets an `ArrayBuffer` of length `byteLength` at the specified byte * offset from the specified pointer. */ static getArrayBuffer( pointer: PointerObject, byteLength: number, offset?: number, ): ArrayBuffer; /** Copies the memory of the pointer into a typed array. * * Length is determined from the typed array's `byteLength`. * * Also takes optional byte offset from the pointer. */ copyInto(destination: BufferSource, offset?: number): void; /** Copies the memory of the specified pointer into a typed array. * * Length is determined from the typed array's `byteLength`. * * Also takes optional byte offset from the pointer. */ static copyInto( pointer: PointerObject, destination: BufferSource, offset?: number, ): void; } /** **UNSTABLE**: New API, yet to be vetted. * * An unsafe pointer to a function, for calling functions that are not present * as symbols. * * @category FFI */ export class UnsafeFnPointer { /** The pointer to the function. */ pointer: PointerObject; /** The definition of the function. */ definition: Fn; constructor(pointer: PointerObject, definition: Const); /** @deprecated Properly type {@linkcode pointer} using {@linkcode NativeTypedFunction} or {@linkcode UnsafeCallbackDefinition} types. */ constructor(pointer: PointerObject, definition: Const); /** Call the foreign function. */ call: FromForeignFunction; } /** **UNSTABLE**: New API, yet to be vetted. * * Definition of a unsafe callback function. * * @category FFI */ export interface UnsafeCallbackDefinition< Parameters extends readonly NativeType[] = readonly NativeType[], Result extends NativeResultType = NativeResultType, > { /** The parameters of the callbacks. */ parameters: Parameters; /** The current result of the callback. */ result: Result; } /** **UNSTABLE**: New API, yet to be vetted. * * An unsafe callback function. * * @category FFI */ type UnsafeCallbackFunction< Parameters extends readonly NativeType[] = readonly NativeType[], Result extends NativeResultType = NativeResultType, > = Parameters extends readonly [] ? () => ToNativeResultType : ( ...args: FromNativeParameterTypes ) => ToNativeResultType; /** **UNSTABLE**: New API, yet to be vetted. * * An unsafe function pointer for passing JavaScript functions as C function * pointers to foreign function calls. * * The function pointer remains valid until the `close()` method is called. * * All `UnsafeCallback` are always thread safe in that they can be called from * foreign threads without crashing. However, they do not wake up the Deno event * loop by default. * * If a callback is to be called from foreign threads, use the `threadSafe()` * static constructor or explicitly call `ref()` to have the callback wake up * the Deno event loop when called from foreign threads. This also stops * Deno's process from exiting while the callback still exists and is not * unref'ed. * * Use `deref()` to then allow Deno's process to exit. Calling `deref()` on * a ref'ed callback does not stop it from waking up the Deno event loop when * called from foreign threads. * * @category FFI */ export class UnsafeCallback< Definition extends UnsafeCallbackDefinition = UnsafeCallbackDefinition, > { constructor( definition: Const, callback: UnsafeCallbackFunction< Definition["parameters"], Definition["result"] >, ); /** The pointer to the unsafe callback. */ readonly pointer: PointerObject; /** The definition of the unsafe callback. */ readonly definition: Definition; /** The callback function. */ readonly callback: UnsafeCallbackFunction< Definition["parameters"], Definition["result"] >; /** * Creates an {@linkcode UnsafeCallback} and calls `ref()` once to allow it to * wake up the Deno event loop when called from foreign threads. * * This also stops Deno's process from exiting while the callback still * exists and is not unref'ed. */ static threadSafe< Definition extends UnsafeCallbackDefinition = UnsafeCallbackDefinition, >( definition: Const, callback: UnsafeCallbackFunction< Definition["parameters"], Definition["result"] >, ): UnsafeCallback; /** * Increments the callback's reference counting and returns the new * reference count. * * After `ref()` has been called, the callback always wakes up the * Deno event loop when called from foreign threads. * * If the callback's reference count is non-zero, it keeps Deno's * process from exiting. */ ref(): number; /** * Decrements the callback's reference counting and returns the new * reference count. * * Calling `unref()` does not stop a callback from waking up the Deno * event loop when called from foreign threads. * * If the callback's reference counter is zero, it no longer keeps * Deno's process from exiting. */ unref(): number; /** * Removes the C function pointer associated with this instance. * * Continuing to use the instance or the C function pointer after closing * the `UnsafeCallback` will lead to errors and crashes. * * Calling this method sets the callback's reference counting to zero, * stops the callback from waking up the Deno event loop when called from * foreign threads and no longer keeps Deno's process from exiting. */ close(): void; } /** **UNSTABLE**: New API, yet to be vetted. * * A dynamic library resource. Use {@linkcode Deno.dlopen} to load a dynamic * library and return this interface. * * @category FFI */ export interface DynamicLibrary { /** All of the registered library along with functions for calling them. */ symbols: StaticForeignLibraryInterface; /** Removes the pointers associated with the library symbols. * * Continuing to use symbols that are part of the library will lead to * errors and crashes. * * Calling this method will also immediately set any references to zero and * will no longer keep Deno's process from exiting. */ close(): void; } /** * This magic code used to implement better type hints for {@linkcode Deno.dlopen} * * @category FFI */ type Cast = A extends B ? A : B; /** @category FFI */ type Const = Cast< T, | (T extends string | number | bigint | boolean ? T : never) | { [K in keyof T]: Const } | [] >; /** **UNSTABLE**: New API, yet to be vetted. * * Opens an external dynamic library and registers symbols, making foreign * functions available to be called. * * Requires `allow-ffi` permission. Loading foreign dynamic libraries can in * theory bypass all of the sandbox permissions. While it is a separate * permission users should acknowledge in practice that is effectively the * same as running with the `allow-all` permission. * * @example Given a C library which exports a foreign function named `add()` * * ```ts * // Determine library extension based on * // your OS. * let libSuffix = ""; * switch (Deno.build.os) { * case "windows": * libSuffix = "dll"; * break; * case "darwin": * libSuffix = "dylib"; * break; * default: * libSuffix = "so"; * break; * } * * const libName = `./libadd.${libSuffix}`; * // Open library and define exported symbols * const dylib = Deno.dlopen( * libName, * { * "add": { parameters: ["isize", "isize"], result: "isize" }, * } as const, * ); * * // Call the symbol `add` * const result = dylib.symbols.add(35, 34); // 69 * * console.log(`Result from external addition of 35 and 34: ${result}`); * ``` * * @tags allow-ffi * @category FFI */ export function dlopen( filename: string | URL, symbols: Const, ): DynamicLibrary; /** **UNSTABLE**: New API, yet to be vetted. * * Creates a presentable WebGPU surface from given window and * display handles. * * The parameters correspond to the table below: * * | system | winHandle | displayHandle | * | ----------------- | ------------- | --------------- | * | "cocoa" (macOS) | `NSView*` | - | * | "win32" (Windows) | `HWND` | `HINSTANCE` | * | "x11" (Linux) | Xlib `Window` | Xlib `Display*` | * * @category WebGPU */ export class UnsafeWindowSurface { constructor( system: "cocoa" | "win32" | "x11", windowHandle: Deno.PointerValue, displayHandle: Deno.PointerValue, ); getContext(context: "webgpu"): GPUCanvasContext; present(): void; } /** **UNSTABLE**: New API, yet to be vetted. * * These are unstable options which can be used with {@linkcode Deno.run}. * * @category Sub Process */ interface UnstableRunOptions extends RunOptions { /** If `true`, clears the environment variables before executing the * sub-process. * * @default {false} */ clearEnv?: boolean; /** For POSIX systems, sets the group ID for the sub process. */ gid?: number; /** For POSIX systems, sets the user ID for the sub process. */ uid?: number; } /** **UNSTABLE**: New API, yet to be vetted. * * Spawns new subprocess. RunOptions must contain at a minimum the `opt.cmd`, * an array of program arguments, the first of which is the binary. * * ```ts * const p = Deno.run({ * cmd: ["curl", "https://example.com"], * }); * const status = await p.status(); * ``` * * Subprocess uses same working directory as parent process unless `opt.cwd` * is specified. * * Environmental variables from parent process can be cleared using `opt.clearEnv`. * Doesn't guarantee that only `opt.env` variables are present, * as the OS may set environmental variables for processes. * * Environmental variables for subprocess can be specified using `opt.env` * mapping. * * `opt.uid` sets the child process’s user ID. This translates to a setuid call * in the child process. Failure in the setuid call will cause the spawn to fail. * * `opt.gid` is similar to `opt.uid`, but sets the group ID of the child process. * This has the same semantics as the uid field. * * By default subprocess inherits stdio of parent process. To change * this this, `opt.stdin`, `opt.stdout`, and `opt.stderr` can be set * independently to a resource ID (_rid_) of an open file, `"inherit"`, * `"piped"`, or `"null"`: * * - _number_: the resource ID of an open file/resource. This allows you to * read or write to a file. * - `"inherit"`: The default if unspecified. The subprocess inherits from the * parent. * - `"piped"`: A new pipe should be arranged to connect the parent and child * sub-process. * - `"null"`: This stream will be ignored. This is the equivalent of attaching * the stream to `/dev/null`. * * Details of the spawned process are returned as an instance of * {@linkcode Deno.Process}. * * Requires `allow-run` permission. * * @tags allow-run * @category Sub Process */ export function run( opt: T, ): Process; /** **UNSTABLE**: New API, yet to be vetted. * * A custom `HttpClient` for use with {@linkcode fetch} function. This is * designed to allow custom certificates or proxies to be used with `fetch()`. * * @example ```ts * const caCert = await Deno.readTextFile("./ca.pem"); * const client = Deno.createHttpClient({ caCerts: [ caCert ] }); * const req = await fetch("https://myserver.com", { client }); * ``` * * @category Fetch API */ export interface HttpClient extends Disposable { /** The resource ID associated with the client. */ rid: number; /** Close the HTTP client. */ close(): void; } /** **UNSTABLE**: New API, yet to be vetted. * * The options used when creating a {@linkcode Deno.HttpClient}. * * @category Fetch API */ export interface CreateHttpClientOptions { /** A list of root certificates that will be used in addition to the * default root certificates to verify the peer's certificate. * * Must be in PEM format. */ caCerts?: string[]; /** A HTTP proxy to use for new connections. */ proxy?: Proxy; /** PEM formatted client certificate chain. */ certChain?: string; /** PEM formatted (RSA or PKCS8) private key of client certificate. */ privateKey?: string; /** Sets the maximum numer of idle connections per host allowed in the pool. */ poolMaxIdlePerHost?: number; /** Set an optional timeout for idle sockets being kept-alive. * Set to false to disable the timeout. */ poolIdleTimeout?: number | false; /** * Whether HTTP/1.1 is allowed or not. * * @default {true} */ http1?: boolean; /** Whether HTTP/2 is allowed or not. * * @default {true} */ http2?: boolean; /** Whether setting the host header is allowed or not. * * @default {false} */ allowHost?: boolean; } /** **UNSTABLE**: New API, yet to be vetted. * * The definition of a proxy when specifying * {@linkcode Deno.CreateHttpClientOptions}. * * @category Fetch API */ export interface Proxy { /** The string URL of the proxy server to use. */ url: string; /** The basic auth credentials to be used against the proxy server. */ basicAuth?: BasicAuth; } /** **UNSTABLE**: New API, yet to be vetted. * * Basic authentication credentials to be used with a {@linkcode Deno.Proxy} * server when specifying {@linkcode Deno.CreateHttpClientOptions}. * * @category Fetch API */ export interface BasicAuth { /** The username to be used against the proxy server. */ username: string; /** The password to be used against the proxy server. */ password: string; } /** **UNSTABLE**: New API, yet to be vetted. * * Create a custom HttpClient to use with {@linkcode fetch}. This is an * extension of the web platform Fetch API which allows Deno to use custom * TLS certificates and connect via a proxy while using `fetch()`. * * @example ```ts * const caCert = await Deno.readTextFile("./ca.pem"); * const client = Deno.createHttpClient({ caCerts: [ caCert ] }); * const response = await fetch("https://myserver.com", { client }); * ``` * * @example ```ts * const client = Deno.createHttpClient({ * proxy: { url: "http://myproxy.com:8080" } * }); * const response = await fetch("https://myserver.com", { client }); * ``` * * @category Fetch API */ export function createHttpClient( options: CreateHttpClientOptions, ): HttpClient; /** **UNSTABLE**: New API, yet to be vetted. * * Represents membership of a IPv4 multicast group. * * @category Network */ interface MulticastV4Membership { /** Leaves the multicast group. */ leave: () => Promise; /** Sets the multicast loopback option. If enabled, multicast packets will be looped back to the local socket. */ setLoopback: (loopback: boolean) => Promise; /** Sets the time-to-live of outgoing multicast packets for this socket. */ setTTL: (ttl: number) => Promise; } /** **UNSTABLE**: New API, yet to be vetted. * * Represents membership of a IPv6 multicast group. * * @category Network */ interface MulticastV6Membership { /** Leaves the multicast group. */ leave: () => Promise; /** Sets the multicast loopback option. If enabled, multicast packets will be looped back to the local socket. */ setLoopback: (loopback: boolean) => Promise; } /** **UNSTABLE**: New API, yet to be vetted. * * A generic transport listener for message-oriented protocols. * * @category Network */ export interface DatagramConn extends AsyncIterable<[Uint8Array, Addr]> { /** Joins an IPv4 multicast group. */ joinMulticastV4( address: string, networkInterface: string, ): Promise; /** Joins an IPv6 multicast group. */ joinMulticastV6( address: string, networkInterface: number, ): Promise; /** Waits for and resolves to the next message to the instance. * * Messages are received in the format of a tuple containing the data array * and the address information. */ receive(p?: Uint8Array): Promise<[Uint8Array, Addr]>; /** Sends a message to the target via the connection. The method resolves * with the number of bytes sent. */ send(p: Uint8Array, addr: Addr): Promise; /** Close closes the socket. Any pending message promises will be rejected * with errors. */ close(): void; /** Return the address of the instance. */ readonly addr: Addr; [Symbol.asyncIterator](): AsyncIterableIterator<[Uint8Array, Addr]>; } /** * @category Network */ export interface TcpListenOptions extends ListenOptions { /** When `true` the SO_REUSEPORT flag will be set on the listener. This * allows multiple processes to listen on the same address and port. * * On Linux this will cause the kernel to distribute incoming connections * across the different processes that are listening on the same address and * port. * * This flag is only supported on Linux. It is silently ignored on other * platforms. * * @default {false} */ reusePort?: boolean; } /** **UNSTABLE**: New API, yet to be vetted. * * Unstable options which can be set when opening a datagram listener via * {@linkcode Deno.listenDatagram}. * * @category Network */ export interface UdpListenOptions extends ListenOptions { /** When `true` the specified address will be reused, even if another * process has already bound a socket on it. This effectively steals the * socket from the listener. * * @default {false} */ reuseAddress?: boolean; /** When `true`, sent multicast packets will be looped back to the local socket. * * @default {false} */ loopback?: boolean; } /** **UNSTABLE**: New API, yet to be vetted. * * Listen announces on the local transport address. * * ```ts * const listener1 = Deno.listenDatagram({ * port: 80, * transport: "udp" * }); * const listener2 = Deno.listenDatagram({ * hostname: "golang.org", * port: 80, * transport: "udp" * }); * ``` * * Requires `allow-net` permission. * * @tags allow-net * @category Network */ export function listenDatagram( options: UdpListenOptions & { transport: "udp" }, ): DatagramConn; /** **UNSTABLE**: New API, yet to be vetted. * * Listen announces on the local transport address. * * ```ts * const listener = Deno.listenDatagram({ * path: "/foo/bar.sock", * transport: "unixpacket" * }); * ``` * * Requires `allow-read` and `allow-write` permission. * * @tags allow-read, allow-write * @category Network */ export function listenDatagram( options: UnixListenOptions & { transport: "unixpacket" }, ): DatagramConn; /** **UNSTABLE**: New API, yet to be vetted. * * Acquire an advisory file-system lock for the provided file. * * @param [exclusive=false] * @category File System */ export function flock(rid: number, exclusive?: boolean): Promise; /** **UNSTABLE**: New API, yet to be vetted. * * Acquire an advisory file-system lock synchronously for the provided file. * * @param [exclusive=false] * @category File System */ export function flockSync(rid: number, exclusive?: boolean): void; /** **UNSTABLE**: New API, yet to be vetted. * * Release an advisory file-system lock for the provided file. * * @category File System */ export function funlock(rid: number): Promise; /** **UNSTABLE**: New API, yet to be vetted. * * Release an advisory file-system lock for the provided file synchronously. * * @category File System */ export function funlockSync(rid: number): void; /** **UNSTABLE**: New API, yet to be vetted. * * Open a new {@linkcode Deno.Kv} connection to persist data. * * When a path is provided, the database will be persisted to disk at that * path. Read and write access to the file is required. * * When no path is provided, the database will be opened in a default path for * the current script. This location is persistent across script runs and is * keyed on the origin storage key (the same key that is used to determine * `localStorage` persistence). More information about the origin storage key * can be found in the Deno Manual. * * @tags allow-read, allow-write * @category KV */ export function openKv(path?: string): Promise; /** **UNSTABLE**: New API, yet to be vetted. * * CronScheduleExpression is used as the type of `minute`, `hour`, * `dayOfMonth`, `month`, and `dayOfWeek` in {@linkcode CronSchedule}. * @category Cron */ type CronScheduleExpression = number | { exact: number | number[] } | { start?: number; end?: number; every?: number; }; /** **UNSTABLE**: New API, yet to be vetted. * * CronSchedule is the interface used for JSON format * cron `schedule`. * @category Cron */ export interface CronSchedule { minute?: CronScheduleExpression; hour?: CronScheduleExpression; dayOfMonth?: CronScheduleExpression; month?: CronScheduleExpression; dayOfWeek?: CronScheduleExpression; } /** **UNSTABLE**: New API, yet to be vetted. * * Create a cron job that will periodically execute the provided handler * callback based on the specified schedule. * * ```ts * Deno.cron("sample cron", "20 * * * *", () => { * console.log("cron job executed"); * }); * ``` * * ```ts * Deno.cron("sample cron", { hour: { every: 6 } }, () => { * console.log("cron job executed"); * }); * ``` * * `schedule` can be a string in the Unix cron format or in JSON format * as specified by interface {@linkcode CronSchedule}, where time is specified * using UTC time zone. * * @category Cron */ export function cron( name: string, schedule: string | CronSchedule, handler: () => Promise | void, ): Promise; /** **UNSTABLE**: New API, yet to be vetted. * * Create a cron job that will periodically execute the provided handler * callback based on the specified schedule. * * ```ts * Deno.cron("sample cron", "20 * * * *", { * backoffSchedule: [10, 20] * }, () => { * console.log("cron job executed"); * }); * ``` * * `schedule` can be a string in the Unix cron format or in JSON format * as specified by interface {@linkcode CronSchedule}, where time is specified * using UTC time zone. * * `backoffSchedule` option can be used to specify the retry policy for failed * executions. Each element in the array represents the number of milliseconds * to wait before retrying the execution. For example, `[1000, 5000, 10000]` * means that a failed execution will be retried at most 3 times, with 1 * second, 5 seconds, and 10 seconds delay between each retry. * * @category Cron */ export function cron( name: string, schedule: string | CronSchedule, options: { backoffSchedule?: number[]; signal?: AbortSignal }, handler: () => Promise | void, ): Promise; /** **UNSTABLE**: New API, yet to be vetted. * * A key to be persisted in a {@linkcode Deno.Kv}. A key is a sequence * of {@linkcode Deno.KvKeyPart}s. * * Keys are ordered lexicographically by their parts. The first part is the * most significant, and the last part is the least significant. The order of * the parts is determined by both the type and the value of the part. The * relative significance of the types can be found in documentation for the * {@linkcode Deno.KvKeyPart} type. * * Keys have a maximum size of 2048 bytes serialized. If the size of the key * exceeds this limit, an error will be thrown on the operation that this key * was passed to. * * @category KV */ export type KvKey = readonly KvKeyPart[]; /** **UNSTABLE**: New API, yet to be vetted. * * A single part of a {@linkcode Deno.KvKey}. Parts are ordered * lexicographically, first by their type, and within a given type by their * value. * * The ordering of types is as follows: * * 1. `Uint8Array` * 2. `string` * 3. `number` * 4. `bigint` * 5. `boolean` * * Within a given type, the ordering is as follows: * * - `Uint8Array` is ordered by the byte ordering of the array * - `string` is ordered by the byte ordering of the UTF-8 encoding of the * string * - `number` is ordered following this pattern: `-NaN` * < `-Infinity` < `-100.0` < `-1.0` < -`0.5` < `-0.0` < `0.0` < `0.5` * < `1.0` < `100.0` < `Infinity` < `NaN` * - `bigint` is ordered by mathematical ordering, with the largest negative * number being the least first value, and the largest positive number * being the last value * - `boolean` is ordered by `false` < `true` * * This means that the part `1.0` (a number) is ordered before the part `2.0` * (also a number), but is greater than the part `0n` (a bigint), because * `1.0` is a number and `0n` is a bigint, and type ordering has precedence * over the ordering of values within a type. * * @category KV */ export type KvKeyPart = | Uint8Array | string | number | bigint | boolean | symbol; /** **UNSTABLE**: New API, yet to be vetted. * * Consistency level of a KV operation. * * - `strong` - This operation must be strongly-consistent. * - `eventual` - Eventually-consistent behavior is allowed. * * @category KV */ export type KvConsistencyLevel = "strong" | "eventual"; /** **UNSTABLE**: New API, yet to be vetted. * * A selector that selects the range of data returned by a list operation on a * {@linkcode Deno.Kv}. * * The selector can either be a prefix selector or a range selector. A prefix * selector selects all keys that start with the given prefix (optionally * starting at a given key). A range selector selects all keys that are * lexicographically between the given start and end keys. * * @category KV */ export type KvListSelector = | { prefix: KvKey } | { prefix: KvKey; start: KvKey } | { prefix: KvKey; end: KvKey } | { start: KvKey; end: KvKey }; /** **UNSTABLE**: New API, yet to be vetted. * * A mutation to a key in a {@linkcode Deno.Kv}. A mutation is a * combination of a key, a value, and a type. The type determines how the * mutation is applied to the key. * * - `set` - Sets the value of the key to the given value, overwriting any * existing value. Optionally an `expireIn` option can be specified to * set a time-to-live (TTL) for the key. The TTL is specified in * milliseconds, and the key will be deleted from the database at earliest * after the specified number of milliseconds have elapsed. Once the * specified duration has passed, the key may still be visible for some * additional time. If the `expireIn` option is not specified, the key will * not expire. * - `delete` - Deletes the key from the database. The mutation is a no-op if * the key does not exist. * - `sum` - Adds the given value to the existing value of the key. Both the * value specified in the mutation, and any existing value must be of type * `Deno.KvU64`. If the key does not exist, the value is set to the given * value (summed with 0). If the result of the sum overflows an unsigned * 64-bit integer, the result is wrapped around. * - `max` - Sets the value of the key to the maximum of the existing value * and the given value. Both the value specified in the mutation, and any * existing value must be of type `Deno.KvU64`. If the key does not exist, * the value is set to the given value. * - `min` - Sets the value of the key to the minimum of the existing value * and the given value. Both the value specified in the mutation, and any * existing value must be of type `Deno.KvU64`. If the key does not exist, * the value is set to the given value. * * @category KV */ export type KvMutation = & { key: KvKey } & ( | { type: "set"; value: unknown; expireIn?: number } | { type: "delete" } | { type: "sum"; value: KvU64 } | { type: "max"; value: KvU64 } | { type: "min"; value: KvU64 } ); /** **UNSTABLE**: New API, yet to be vetted. * * An iterator over a range of data entries in a {@linkcode Deno.Kv}. * * The cursor getter returns the cursor that can be used to resume the * iteration from the current position in the future. * * @category KV */ export class KvListIterator implements AsyncIterableIterator> { /** * Returns the cursor of the current position in the iteration. This cursor * can be used to resume the iteration from the current position in the * future by passing it to the `cursor` option of the `list` method. */ get cursor(): string; next(): Promise, undefined>>; [Symbol.asyncIterator](): AsyncIterableIterator>; } /** **UNSTABLE**: New API, yet to be vetted. * * A versioned pair of key and value in a {@linkcode Deno.Kv}. * * The `versionstamp` is a string that represents the current version of the * key-value pair. It can be used to perform atomic operations on the KV store * by passing it to the `check` method of a {@linkcode Deno.AtomicOperation}. * * @category KV */ export type KvEntry = { key: KvKey; value: T; versionstamp: string }; /** * **UNSTABLE**: New API, yet to be vetted. * * An optional versioned pair of key and value in a {@linkcode Deno.Kv}. * * This is the same as a {@linkcode KvEntry}, but the `value` and `versionstamp` * fields may be `null` if no value exists for the given key in the KV store. * * @category KV */ export type KvEntryMaybe = KvEntry | { key: KvKey; value: null; versionstamp: null; }; /** **UNSTABLE**: New API, yet to be vetted. * * Options for listing key-value pairs in a {@linkcode Deno.Kv}. * * @category KV */ export interface KvListOptions { /** * The maximum number of key-value pairs to return. If not specified, all * matching key-value pairs will be returned. */ limit?: number; /** * The cursor to resume the iteration from. If not specified, the iteration * will start from the beginning. */ cursor?: string; /** * Whether to reverse the order of the returned key-value pairs. If not * specified, the order will be ascending from the start of the range as per * the lexicographical ordering of the keys. If `true`, the order will be * descending from the end of the range. * * The default value is `false`. */ reverse?: boolean; /** * The consistency level of the list operation. The default consistency * level is "strong". Some use cases can benefit from using a weaker * consistency level. For more information on consistency levels, see the * documentation for {@linkcode Deno.KvConsistencyLevel}. * * List operations are performed in batches (in sizes specified by the * `batchSize` option). The consistency level of the list operation is * applied to each batch individually. This means that while each batch is * guaranteed to be consistent within itself, the entire list operation may * not be consistent across batches because a mutation may be applied to a * key-value pair between batches, in a batch that has already been returned * by the list operation. */ consistency?: KvConsistencyLevel; /** * The size of the batches in which the list operation is performed. Larger * or smaller batch sizes may positively or negatively affect the * performance of a list operation depending on the specific use case and * iteration behavior. Slow iterating queries may benefit from using a * smaller batch size for increased overall consistency, while fast * iterating queries may benefit from using a larger batch size for better * performance. * * The default batch size is equal to the `limit` option, or 100 if this is * unset. The maximum value for this option is 500. Larger values will be * clamped. */ batchSize?: number; } /** @category KV */ export interface KvCommitResult { ok: true; /** The versionstamp of the value committed to KV. */ versionstamp: string; } /** @category KV */ export interface KvCommitError { ok: false; } /** **UNSTABLE**: New API, yet to be vetted. * * A check to perform as part of a {@linkcode Deno.AtomicOperation}. The check * will fail if the versionstamp for the key-value pair in the KV store does * not match the given versionstamp. A check with a `null` versionstamp checks * that the key-value pair does not currently exist in the KV store. * * @category KV */ export interface AtomicCheck { key: KvKey; versionstamp: string | null; } /** **UNSTABLE**: New API, yet to be vetted. * * An operation on a {@linkcode Deno.Kv} that can be performed * atomically. Atomic operations do not auto-commit, and must be committed * explicitly by calling the `commit` method. * * Atomic operations can be used to perform multiple mutations on the KV store * in a single atomic transaction. They can also be used to perform * conditional mutations by specifying one or more * {@linkcode Deno.AtomicCheck}s that ensure that a mutation is only performed * if the key-value pair in the KV has a specific versionstamp. If any of the * checks fail, the entire operation will fail and no mutations will be made. * * The ordering of mutations is guaranteed to be the same as the ordering of * the mutations specified in the operation. Checks are performed before any * mutations are performed. The ordering of checks is unobservable. * * Atomic operations can be used to implement optimistic locking, where a * mutation is only performed if the key-value pair in the KV store has not * been modified since the last read. This can be done by specifying a check * that ensures that the versionstamp of the key-value pair matches the * versionstamp that was read. If the check fails, the mutation will not be * performed and the operation will fail. One can then retry the read-modify- * write operation in a loop until it succeeds. * * The `commit` method of an atomic operation returns a value indicating * whether checks passed and mutations were performed. If the operation failed * because of a failed check, the return value will be a * {@linkcode Deno.KvCommitError} with an `ok: false` property. If the * operation failed for any other reason (storage error, invalid value, etc.), * an exception will be thrown. If the operation succeeded, the return value * will be a {@linkcode Deno.KvCommitResult} object with a `ok: true` property * and the versionstamp of the value committed to KV. * * @category KV */ export class AtomicOperation { /** * Add to the operation a check that ensures that the versionstamp of the * key-value pair in the KV store matches the given versionstamp. If the * check fails, the entire operation will fail and no mutations will be * performed during the commit. */ check(...checks: AtomicCheck[]): this; /** * Add to the operation a mutation that performs the specified mutation on * the specified key if all checks pass during the commit. The types and * semantics of all available mutations are described in the documentation * for {@linkcode Deno.KvMutation}. */ mutate(...mutations: KvMutation[]): this; /** * Shortcut for creating a `sum` mutation. This method wraps `n` in a * {@linkcode Deno.KvU64}, so the value of `n` must be in the range * `[0, 2^64-1]`. */ sum(key: KvKey, n: bigint): this; /** * Shortcut for creating a `min` mutation. This method wraps `n` in a * {@linkcode Deno.KvU64}, so the value of `n` must be in the range * `[0, 2^64-1]`. */ min(key: KvKey, n: bigint): this; /** * Shortcut for creating a `max` mutation. This method wraps `n` in a * {@linkcode Deno.KvU64}, so the value of `n` must be in the range * `[0, 2^64-1]`. */ max(key: KvKey, n: bigint): this; /** * Add to the operation a mutation that sets the value of the specified key * to the specified value if all checks pass during the commit. * * Optionally an `expireIn` option can be specified to set a time-to-live * (TTL) for the key. The TTL is specified in milliseconds, and the key will * be deleted from the database at earliest after the specified number of * milliseconds have elapsed. Once the specified duration has passed, the * key may still be visible for some additional time. If the `expireIn` * option is not specified, the key will not expire. */ set(key: KvKey, value: unknown, options?: { expireIn?: number }): this; /** * Add to the operation a mutation that deletes the specified key if all * checks pass during the commit. */ delete(key: KvKey): this; /** * Add to the operation a mutation that enqueues a value into the queue * if all checks pass during the commit. */ enqueue( value: unknown, options?: { delay?: number; keysIfUndelivered?: Deno.KvKey[]; backoffSchedule?: number[]; }, ): this; /** * Commit the operation to the KV store. Returns a value indicating whether * checks passed and mutations were performed. If the operation failed * because of a failed check, the return value will be a {@linkcode * Deno.KvCommitError} with an `ok: false` property. If the operation failed * for any other reason (storage error, invalid value, etc.), an exception * will be thrown. If the operation succeeded, the return value will be a * {@linkcode Deno.KvCommitResult} object with a `ok: true` property and the * versionstamp of the value committed to KV. * * If the commit returns `ok: false`, one may create a new atomic operation * with updated checks and mutations and attempt to commit it again. See the * note on optimistic locking in the documentation for * {@linkcode Deno.AtomicOperation}. */ commit(): Promise; } /** **UNSTABLE**: New API, yet to be vetted. * * A key-value database that can be used to store and retrieve data. * * Data is stored as key-value pairs, where the key is a {@linkcode Deno.KvKey} * and the value is an arbitrary structured-serializable JavaScript value. * Keys are ordered lexicographically as described in the documentation for * {@linkcode Deno.KvKey}. Keys are unique within a database, and the last * value set for a given key is the one that is returned when reading the * key. Keys can be deleted from the database, in which case they will no * longer be returned when reading keys. * * Values can be any structured-serializable JavaScript value (objects, * arrays, strings, numbers, etc.). The special value {@linkcode Deno.KvU64} * can be used to store 64-bit unsigned integers in the database. This special * value can not be nested within other objects or arrays. In addition to the * regular database mutation operations, the unsigned 64-bit integer value * also supports `sum`, `max`, and `min` mutations. * * Keys are versioned on write by assigning the key an ever-increasing * "versionstamp". The versionstamp represents the version of a key-value pair * in the database at some point in time, and can be used to perform * transactional operations on the database without requiring any locking. * This is enabled by atomic operations, which can have conditions that ensure * that the operation only succeeds if the versionstamp of the key-value pair * matches an expected versionstamp. * * Keys have a maximum length of 2048 bytes after serialization. Values have a * maximum length of 64 KiB after serialization. Serialization of both keys * and values is somewhat opaque, but one can usually assume that the * serialization of any value is about the same length as the resulting string * of a JSON serialization of that same value. If theses limits are exceeded, * an exception will be thrown. * * @category KV */ export class Kv implements Disposable { /** * Retrieve the value and versionstamp for the given key from the database * in the form of a {@linkcode Deno.KvEntryMaybe}. If no value exists for * the key, the returned entry will have a `null` value and versionstamp. * * ```ts * const db = await Deno.openKv(); * const result = await db.get(["foo"]); * result.key; // ["foo"] * result.value; // "bar" * result.versionstamp; // "00000000000000010000" * ``` * * The `consistency` option can be used to specify the consistency level * for the read operation. The default consistency level is "strong". Some * use cases can benefit from using a weaker consistency level. For more * information on consistency levels, see the documentation for * {@linkcode Deno.KvConsistencyLevel}. */ get( key: KvKey, options?: { consistency?: KvConsistencyLevel }, ): Promise>; /** * Retrieve multiple values and versionstamps from the database in the form * of an array of {@linkcode Deno.KvEntryMaybe} objects. The returned array * will have the same length as the `keys` array, and the entries will be in * the same order as the keys. If no value exists for a given key, the * returned entry will have a `null` value and versionstamp. * * ```ts * const db = await Deno.openKv(); * const result = await db.getMany([["foo"], ["baz"]]); * result[0].key; // ["foo"] * result[0].value; // "bar" * result[0].versionstamp; // "00000000000000010000" * result[1].key; // ["baz"] * result[1].value; // null * result[1].versionstamp; // null * ``` * * The `consistency` option can be used to specify the consistency level * for the read operation. The default consistency level is "strong". Some * use cases can benefit from using a weaker consistency level. For more * information on consistency levels, see the documentation for * {@linkcode Deno.KvConsistencyLevel}. */ getMany( keys: readonly [...{ [K in keyof T]: KvKey }], options?: { consistency?: KvConsistencyLevel }, ): Promise<{ [K in keyof T]: KvEntryMaybe }>; /** * Set the value for the given key in the database. If a value already * exists for the key, it will be overwritten. * * ```ts * const db = await Deno.openKv(); * await db.set(["foo"], "bar"); * ``` * * Optionally an `expireIn` option can be specified to set a time-to-live * (TTL) for the key. The TTL is specified in milliseconds, and the key will * be deleted from the database at earliest after the specified number of * milliseconds have elapsed. Once the specified duration has passed, the * key may still be visible for some additional time. If the `expireIn` * option is not specified, the key will not expire. */ set( key: KvKey, value: unknown, options?: { expireIn?: number }, ): Promise; /** * Delete the value for the given key from the database. If no value exists * for the key, this operation is a no-op. * * ```ts * const db = await Deno.openKv(); * await db.delete(["foo"]); * ``` */ delete(key: KvKey): Promise; /** * Retrieve a list of keys in the database. The returned list is an * {@linkcode Deno.KvListIterator} which can be used to iterate over the * entries in the database. * * Each list operation must specify a selector which is used to specify the * range of keys to return. The selector can either be a prefix selector, or * a range selector: * * - A prefix selector selects all keys that start with the given prefix of * key parts. For example, the selector `["users"]` will select all keys * that start with the prefix `["users"]`, such as `["users", "alice"]` * and `["users", "bob"]`. Note that you can not partially match a key * part, so the selector `["users", "a"]` will not match the key * `["users", "alice"]`. A prefix selector may specify a `start` key that * is used to skip over keys that are lexicographically less than the * start key. * - A range selector selects all keys that are lexicographically between * the given start and end keys (including the start, and excluding the * end). For example, the selector `["users", "a"], ["users", "n"]` will * select all keys that start with the prefix `["users"]` and have a * second key part that is lexicographically between `a` and `n`, such as * `["users", "alice"]`, `["users", "bob"]`, and `["users", "mike"]`, but * not `["users", "noa"]` or `["users", "zoe"]`. * * ```ts * const db = await Deno.openKv(); * const entries = db.list({ prefix: ["users"] }); * for await (const entry of entries) { * entry.key; // ["users", "alice"] * entry.value; // { name: "Alice" } * entry.versionstamp; // "00000000000000010000" * } * ``` * * The `options` argument can be used to specify additional options for the * list operation. See the documentation for {@linkcode Deno.KvListOptions} * for more information. */ list( selector: KvListSelector, options?: KvListOptions, ): KvListIterator; /** * Add a value into the database queue to be delivered to the queue * listener via {@linkcode Deno.Kv.listenQueue}. * * ```ts * const db = await Deno.openKv(); * await db.enqueue("bar"); * ``` * * The `delay` option can be used to specify the delay (in milliseconds) * of the value delivery. The default delay is 0, which means immediate * delivery. * * ```ts * const db = await Deno.openKv(); * await db.enqueue("bar", { delay: 60000 }); * ``` * * The `keysIfUndelivered` option can be used to specify the keys to * be set if the value is not successfully delivered to the queue * listener after several attempts. The values are set to the value of * the queued message. * * The `backoffSchedule` option can be used to specify the retry policy for * failed message delivery. Each element in the array represents the number of * milliseconds to wait before retrying the delivery. For example, * `[1000, 5000, 10000]` means that a failed delivery will be retried * at most 3 times, with 1 second, 5 seconds, and 10 seconds delay * between each retry. * * ```ts * const db = await Deno.openKv(); * await db.enqueue("bar", { * keysIfUndelivered: [["foo", "bar"]], * backoffSchedule: [1000, 5000, 10000], * }); * ``` */ enqueue( value: unknown, options?: { delay?: number; keysIfUndelivered?: Deno.KvKey[]; backoffSchedule?: number[]; }, ): Promise; /** * Listen for queue values to be delivered from the database queue, which * were enqueued with {@linkcode Deno.Kv.enqueue}. The provided handler * callback is invoked on every dequeued value. A failed callback * invocation is automatically retried multiple times until it succeeds * or until the maximum number of retries is reached. * * ```ts * const db = await Deno.openKv(); * db.listenQueue(async (msg: unknown) => { * await db.set(["foo"], msg); * }); * ``` */ // deno-lint-ignore no-explicit-any listenQueue(handler: (value: any) => Promise | void): Promise; /** * Create a new {@linkcode Deno.AtomicOperation} object which can be used to * perform an atomic transaction on the database. This does not perform any * operations on the database - the atomic transaction must be committed * explicitly using the {@linkcode Deno.AtomicOperation.commit} method once * all checks and mutations have been added to the operation. */ atomic(): AtomicOperation; /** * Watch for changes to the given keys in the database. The returned stream * is a {@linkcode ReadableStream} that emits a new value whenever any of * the watched keys change their versionstamp. The emitted value is an array * of {@linkcode Deno.KvEntryMaybe} objects, with the same length and order * as the `keys` array. If no value exists for a given key, the returned * entry will have a `null` value and versionstamp. * * The returned stream does not return every single intermediate state of * the watched keys, but rather only keeps you up to date with the latest * state of the keys. This means that if a key is modified multiple times * quickly, you may not receive a notification for every single change, but * rather only the latest state of the key. * * ```ts * const db = await Deno.openKv(); * * const stream = db.watch([["foo"], ["bar"]]); * for await (const entries of stream) { * entries[0].key; // ["foo"] * entries[0].value; // "bar" * entries[0].versionstamp; // "00000000000000010000" * entries[1].key; // ["bar"] * entries[1].value; // null * entries[1].versionstamp; // null * } * ``` * * The `options` argument can be used to specify additional options for the * watch operation. The `raw` option can be used to specify whether a new * value should be emitted whenever a mutation occurs on any of the watched * keys (even if the value of the key does not change, such as deleting a * deleted key), or only when entries have observably changed in some way. * When `raw: true` is used, it is possible for the stream to occasionally * emit values even if no mutations have occurred on any of the watched * keys. The default value for this option is `false`. */ watch( keys: readonly [...{ [K in keyof T]: KvKey }], options?: { raw?: boolean }, ): ReadableStream<{ [K in keyof T]: KvEntryMaybe }>; /** * Close the database connection. This will prevent any further operations * from being performed on the database, and interrupt any in-flight * operations immediately. */ close(): void; /** * Get a symbol that represents the versionstamp of the current atomic * operation. This symbol can be used as the last part of a key in * `.set()`, both directly on the `Kv` object and on an `AtomicOperation` * object created from this `Kv` instance. */ commitVersionstamp(): symbol; [Symbol.dispose](): void; } /** **UNSTABLE**: New API, yet to be vetted. * * Wrapper type for 64-bit unsigned integers for use as values in a * {@linkcode Deno.Kv}. * * @category KV */ export class KvU64 { /** Create a new `KvU64` instance from the given bigint value. If the value * is signed or greater than 64-bits, an error will be thrown. */ constructor(value: bigint); /** The value of this unsigned 64-bit integer, represented as a bigint. */ readonly value: bigint; } /** * A namespace containing runtime APIs available in Jupyter notebooks. * * When accessed outside of Jupyter notebook context an error will be thrown. * * @category Jupyter */ export namespace jupyter { /** @category Jupyter */ export interface DisplayOptions { raw?: boolean; update?: boolean; display_id?: string; } type VegaObject = { $schema: string; [key: string]: unknown; }; /** * A collection of supported media types and data for Jupyter frontends. * * @category Jupyter */ export type MediaBundle = { "text/plain"?: string; "text/html"?: string; "image/svg+xml"?: string; "text/markdown"?: string; "application/javascript"?: string; // Images (per Jupyter spec) must be base64 encoded. We could _allow_ // accepting Uint8Array or ArrayBuffer within `display` calls, however we still // must encode them for jupyter. "image/png"?: string; // WISH: Uint8Array | ArrayBuffer "image/jpeg"?: string; // WISH: Uint8Array | ArrayBuffer "image/gif"?: string; // WISH: Uint8Array | ArrayBuffer "application/pdf"?: string; // WISH: Uint8Array | ArrayBuffer // NOTE: all JSON types must be objects at the top level (no arrays, strings, or other primitives) "application/json"?: object; "application/geo+json"?: object; "application/vdom.v1+json"?: object; "application/vnd.plotly.v1+json"?: object; "application/vnd.vega.v5+json"?: VegaObject; "application/vnd.vegalite.v4+json"?: VegaObject; "application/vnd.vegalite.v5+json"?: VegaObject; // Must support a catch all for custom media types / mimetypes [key: string]: string | object | undefined; }; /** @category Jupyter */ export const $display: unique symbol; /** @category Jupyter */ export type Displayable = { [$display]: () => MediaBundle | Promise; }; /** * Display function for Jupyter Deno Kernel. * Mimics the behavior of IPython's `display(obj, raw=True)` function to allow * asynchronous displaying of objects in Jupyter. * * @param obj - The object to be displayed * @param options - Display options with a default { raw: true } * @category Jupyter */ export function display(obj: unknown, options?: DisplayOptions): void; /** * Show Markdown in Jupyter frontends with a tagged template function. * * Takes a template string and returns a displayable object for Jupyter frontends. * * @example * Create a Markdown view. * * ```typescript * const { md } = Deno.jupyter; * md`# Notebooks in TypeScript via Deno ![Deno logo](https://github.com/denoland.png?size=32) * * * TypeScript ${Deno.version.typescript} * * V8 ${Deno.version.v8} * * Deno ${Deno.version.deno} * * Interactive compute with Jupyter _built into Deno_! * ` * ``` * * @category Jupyter */ export function md( strings: TemplateStringsArray, ...values: unknown[] ): Displayable; /** * Show HTML in Jupyter frontends with a tagged template function. * * Takes a template string and returns a displayable object for Jupyter frontends. * * @example * Create an HTML view. * ```typescript * const { html } = Deno.jupyter; * html`

Hello, world!

` * ``` * * @category Jupyter */ export function html( strings: TemplateStringsArray, ...values: unknown[] ): Displayable; /** * SVG Tagged Template Function. * * Takes a template string and returns a displayable object for Jupyter frontends. * * Example usage: * * svg` * * ` * * @category Jupyter */ export function svg( strings: TemplateStringsArray, ...values: unknown[] ): Displayable; /** * Format an object for displaying in Deno * * @param obj - The object to be displayed * @returns MediaBundle * * @category Jupyter */ export function format(obj: unknown): MediaBundle; /** * Broadcast a message on IO pub channel. * * ``` * await Deno.jupyter.broadcast("display_data", { * data: { "text/html": "Processing." }, * metadata: {}, * transient: { display_id: "progress" } * }); * * await new Promise((resolve) => setTimeout(resolve, 500)); * * await Deno.jupyter.broadcast("update_display_data", { * data: { "text/html": "Processing.." }, * metadata: {}, * transient: { display_id: "progress" } * }); * ``` * * @category Jupyter */ export function broadcast( msgType: string, content: Record, extra?: { metadata?: Record; buffers?: Uint8Array[]; }, ): Promise; } } /** **UNSTABLE**: New API, yet to be vetted. * * The [Fetch API](https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API) * which also supports setting a {@linkcode Deno.HttpClient} which provides a * way to connect via proxies and use custom TLS certificates. * * @tags allow-net, allow-read * @category Fetch API */ declare function fetch( input: Request | URL | string, init?: RequestInit & { client: Deno.HttpClient }, ): Promise; /** **UNSTABLE**: New API, yet to be vetted. * * @category Web Workers */ declare interface WorkerOptions { /** **UNSTABLE**: New API, yet to be vetted. * * Configure permissions options to change the level of access the worker will * have. By default it will have no permissions. Note that the permissions * of a worker can't be extended beyond its parent's permissions reach. * * - `"inherit"` will take the permissions of the thread the worker is created * in. * - `"none"` will use the default behavior and have no permission * - A list of routes can be provided that are relative to the file the worker * is created in to limit the access of the worker (read/write permissions * only) * * Example: * * ```ts * // mod.ts * const worker = new Worker( * new URL("deno_worker.ts", import.meta.url).href, { * type: "module", * deno: { * permissions: { * read: true, * }, * }, * } * ); * ``` */ deno?: { /** Set to `"none"` to disable all the permissions in the worker. */ permissions?: Deno.PermissionOptions; }; } /** **UNSTABLE**: New API, yet to be vetted. * * @category Web Sockets */ declare interface WebSocketStreamOptions { protocols?: string[]; signal?: AbortSignal; headers?: HeadersInit; } /** **UNSTABLE**: New API, yet to be vetted. * * @category Web Sockets */ declare interface WebSocketConnection { readable: ReadableStream; writable: WritableStream; extensions: string; protocol: string; } /** **UNSTABLE**: New API, yet to be vetted. * * @category Web Sockets */ declare interface WebSocketCloseInfo { code?: number; reason?: string; } /** **UNSTABLE**: New API, yet to be vetted. * * @tags allow-net * @category Web Sockets */ declare interface WebSocketStream { url: string; opened: Promise; closed: Promise; close(closeInfo?: WebSocketCloseInfo): void; } /** **UNSTABLE**: New API, yet to be vetted. * * @tags allow-net * @category Web Sockets */ declare var WebSocketStream: { readonly prototype: WebSocketStream; new (url: string, options?: WebSocketStreamOptions): WebSocketStream; }; // Adapted from `tc39/proposal-temporal`: https://github.com/tc39/proposal-temporal/blob/main/polyfill/index.d.ts declare namespace Temporal { export type ComparisonResult = -1 | 0 | 1; export type RoundingMode = | "ceil" | "floor" | "expand" | "trunc" | "halfCeil" | "halfFloor" | "halfExpand" | "halfTrunc" | "halfEven"; /** * Options for assigning fields using `with()` or entire objects with * `from()`. */ export type AssignmentOptions = { /** * How to deal with out-of-range values * * - In `'constrain'` mode, out-of-range values are clamped to the nearest * in-range value. * - In `'reject'` mode, out-of-range values will cause the function to * throw a RangeError. * * The default is `'constrain'`. */ overflow?: "constrain" | "reject"; }; /** * Options for assigning fields using `Duration.prototype.with()` or entire * objects with `Duration.from()`, and for arithmetic with * `Duration.prototype.add()` and `Duration.prototype.subtract()`. */ export type DurationOptions = { /** * How to deal with out-of-range values * * - In `'constrain'` mode, out-of-range values are clamped to the nearest * in-range value. * - In `'balance'` mode, out-of-range values are resolved by balancing them * with the next highest unit. * * The default is `'constrain'`. */ overflow?: "constrain" | "balance"; }; /** * Options for conversions of `Temporal.PlainDateTime` to `Temporal.Instant` */ export type ToInstantOptions = { /** * Controls handling of invalid or ambiguous times caused by time zone * offset changes like Daylight Saving time (DST) transitions. * * This option is only relevant if a `DateTime` value does not exist in the * destination time zone (e.g. near "Spring Forward" DST transitions), or * exists more than once (e.g. near "Fall Back" DST transitions). * * In case of ambiguous or nonexistent times, this option controls what * exact time to return: * - `'compatible'`: Equivalent to `'earlier'` for backward transitions like * the start of DST in the Spring, and `'later'` for forward transitions * like the end of DST in the Fall. This matches the behavior of legacy * `Date`, of libraries like moment.js, Luxon, or date-fns, and of * cross-platform standards like [RFC 5545 * (iCalendar)](https://tools.ietf.org/html/rfc5545). * - `'earlier'`: The earlier time of two possible times * - `'later'`: The later of two possible times * - `'reject'`: Throw a RangeError instead * * The default is `'compatible'`. */ disambiguation?: "compatible" | "earlier" | "later" | "reject"; }; type OffsetDisambiguationOptions = { /** * Time zone definitions can change. If an application stores data about * events in the future, then stored data about future events may become * ambiguous, for example if a country permanently abolishes DST. The * `offset` option controls this unusual case. * * - `'use'` always uses the offset (if it's provided) to calculate the * instant. This ensures that the result will match the instant that was * originally stored, even if local clock time is different. * - `'prefer'` uses the offset if it's valid for the date/time in this time * zone, but if it's not valid then the time zone will be used as a * fallback to calculate the instant. * - `'ignore'` will disregard any provided offset. Instead, the time zone * and date/time value are used to calculate the instant. This will keep * local clock time unchanged but may result in a different real-world * instant. * - `'reject'` acts like `'prefer'`, except it will throw a RangeError if * the offset is not valid for the given time zone identifier and * date/time value. * * If the ISO string ends in 'Z' then this option is ignored because there * is no possibility of ambiguity. * * If a time zone offset is not present in the input, then this option is * ignored because the time zone will always be used to calculate the * offset. * * If the offset is not used, and if the date/time and time zone don't * uniquely identify a single instant, then the `disambiguation` option will * be used to choose the correct instant. However, if the offset is used * then the `disambiguation` option will be ignored. */ offset?: "use" | "prefer" | "ignore" | "reject"; }; export type ZonedDateTimeAssignmentOptions = Partial< AssignmentOptions & ToInstantOptions & OffsetDisambiguationOptions >; /** * Options for arithmetic operations like `add()` and `subtract()` */ export type ArithmeticOptions = { /** * Controls handling of out-of-range arithmetic results. * * If a result is out of range, then `'constrain'` will clamp the result to * the allowed range, while `'reject'` will throw a RangeError. * * The default is `'constrain'`. */ overflow?: "constrain" | "reject"; }; export type DateUnit = "year" | "month" | "week" | "day"; export type TimeUnit = | "hour" | "minute" | "second" | "millisecond" | "microsecond" | "nanosecond"; export type DateTimeUnit = DateUnit | TimeUnit; /** * When the name of a unit is provided to a Temporal API as a string, it is * usually singular, e.g. 'day' or 'hour'. But plural unit names like 'days' * or 'hours' are aso accepted too. */ export type PluralUnit = { year: "years"; month: "months"; week: "weeks"; day: "days"; hour: "hours"; minute: "minutes"; second: "seconds"; millisecond: "milliseconds"; microsecond: "microseconds"; nanosecond: "nanoseconds"; }[T]; export type LargestUnit = "auto" | T | PluralUnit; export type SmallestUnit = T | PluralUnit; export type TotalUnit = T | PluralUnit; /** * Options for outputting precision in toString() on types with seconds */ export type ToStringPrecisionOptions = { fractionalSecondDigits?: "auto" | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9; smallestUnit?: SmallestUnit< "minute" | "second" | "millisecond" | "microsecond" | "nanosecond" >; /** * Controls how rounding is performed: * - `halfExpand`: Round to the nearest of the values allowed by * `roundingIncrement` and `smallestUnit`. When there is a tie, round up. * This mode is the default. * - `ceil`: Always round up, towards the end of time. * - `trunc`: Always round down, towards the beginning of time. * - `floor`: Also round down, towards the beginning of time. This mode acts * the same as `trunc`, but it's included for consistency with * `Temporal.Duration.round()` where negative values are allowed and * `trunc` rounds towards zero, unlike `floor` which rounds towards * negative infinity which is usually unexpected. For this reason, `trunc` * is recommended for most use cases. */ roundingMode?: RoundingMode; }; export type ShowCalendarOption = { calendarName?: "auto" | "always" | "never" | "critical"; }; export type CalendarTypeToStringOptions = Partial< ToStringPrecisionOptions & ShowCalendarOption >; export type ZonedDateTimeToStringOptions = Partial< CalendarTypeToStringOptions & { timeZoneName?: "auto" | "never" | "critical"; offset?: "auto" | "never"; } >; export type InstantToStringOptions = Partial< ToStringPrecisionOptions & { timeZone: TimeZoneLike; } >; /** * Options to control the result of `until()` and `since()` methods in * `Temporal` types. */ export interface DifferenceOptions { /** * The unit to round to. For example, to round to the nearest minute, use * `smallestUnit: 'minute'`. This property is optional for `until()` and * `since()`, because those methods default behavior is not to round. * However, the same property is required for `round()`. */ smallestUnit?: SmallestUnit; /** * The largest unit to allow in the resulting `Temporal.Duration` object. * * Larger units will be "balanced" into smaller units. For example, if * `largestUnit` is `'minute'` then a two-hour duration will be output as a * 120-minute duration. * * Valid values may include `'year'`, `'month'`, `'week'`, `'day'`, * `'hour'`, `'minute'`, `'second'`, `'millisecond'`, `'microsecond'`, * `'nanosecond'` and `'auto'`, although some types may throw an exception * if a value is used that would produce an invalid result. For example, * `hours` is not accepted by `Temporal.PlainDate.prototype.since()`. * * The default is always `'auto'`, though the meaning of this depends on the * type being used. */ largestUnit?: LargestUnit; /** * Allows rounding to an integer number of units. For example, to round to * increments of a half hour, use `{ smallestUnit: 'minute', * roundingIncrement: 30 }`. */ roundingIncrement?: number; /** * Controls how rounding is performed: * - `halfExpand`: Round to the nearest of the values allowed by * `roundingIncrement` and `smallestUnit`. When there is a tie, round away * from zero like `ceil` for positive durations and like `floor` for * negative durations. * - `ceil`: Always round up, towards the end of time. * - `trunc`: Always round down, towards the beginning of time. This mode is * the default. * - `floor`: Also round down, towards the beginning of time. This mode acts * the same as `trunc`, but it's included for consistency with * `Temporal.Duration.round()` where negative values are allowed and * `trunc` rounds towards zero, unlike `floor` which rounds towards * negative infinity which is usually unexpected. For this reason, `trunc` * is recommended for most use cases. */ roundingMode?: RoundingMode; } /** * `round` methods take one required parameter. If a string is provided, the * resulting `Temporal.Duration` object will be rounded to that unit. If an * object is provided, its `smallestUnit` property is required while other * properties are optional. A string is treated the same as an object whose * `smallestUnit` property value is that string. */ export type RoundTo = | SmallestUnit | { /** * The unit to round to. For example, to round to the nearest minute, * use `smallestUnit: 'minute'`. This option is required. Note that the * same-named property is optional when passed to `until` or `since` * methods, because those methods do no rounding by default. */ smallestUnit: SmallestUnit; /** * Allows rounding to an integer number of units. For example, to round to * increments of a half hour, use `{ smallestUnit: 'minute', * roundingIncrement: 30 }`. */ roundingIncrement?: number; /** * Controls how rounding is performed: * - `halfExpand`: Round to the nearest of the values allowed by * `roundingIncrement` and `smallestUnit`. When there is a tie, round up. * This mode is the default. * - `ceil`: Always round up, towards the end of time. * - `trunc`: Always round down, towards the beginning of time. * - `floor`: Also round down, towards the beginning of time. This mode acts * the same as `trunc`, but it's included for consistency with * `Temporal.Duration.round()` where negative values are allowed and * `trunc` rounds towards zero, unlike `floor` which rounds towards * negative infinity which is usually unexpected. For this reason, `trunc` * is recommended for most use cases. */ roundingMode?: RoundingMode; }; /** * The `round` method of the `Temporal.Duration` accepts one required * parameter. If a string is provided, the resulting `Temporal.Duration` * object will be rounded to that unit. If an object is provided, the * `smallestUnit` and/or `largestUnit` property is required, while other * properties are optional. A string parameter is treated the same as an * object whose `smallestUnit` property value is that string. */ export type DurationRoundTo = | SmallestUnit | ( & ( | { /** * The unit to round to. For example, to round to the nearest * minute, use `smallestUnit: 'minute'`. This property is normally * required, but is optional if `largestUnit` is provided and not * undefined. */ smallestUnit: SmallestUnit; /** * The largest unit to allow in the resulting `Temporal.Duration` * object. * * Larger units will be "balanced" into smaller units. For example, * if `largestUnit` is `'minute'` then a two-hour duration will be * output as a 120-minute duration. * * Valid values include `'year'`, `'month'`, `'week'`, `'day'`, * `'hour'`, `'minute'`, `'second'`, `'millisecond'`, * `'microsecond'`, `'nanosecond'` and `'auto'`. * * The default is `'auto'`, which means "the largest nonzero unit in * the input duration". This default prevents expanding durations to * larger units unless the caller opts into this behavior. * * If `smallestUnit` is larger, then `smallestUnit` will be used as * `largestUnit`, superseding a caller-supplied or default value. */ largestUnit?: LargestUnit; } | { /** * The unit to round to. For example, to round to the nearest * minute, use `smallestUnit: 'minute'`. This property is normally * required, but is optional if `largestUnit` is provided and not * undefined. */ smallestUnit?: SmallestUnit; /** * The largest unit to allow in the resulting `Temporal.Duration` * object. * * Larger units will be "balanced" into smaller units. For example, * if `largestUnit` is `'minute'` then a two-hour duration will be * output as a 120-minute duration. * * Valid values include `'year'`, `'month'`, `'week'`, `'day'`, * `'hour'`, `'minute'`, `'second'`, `'millisecond'`, * `'microsecond'`, `'nanosecond'` and `'auto'`. * * The default is `'auto'`, which means "the largest nonzero unit in * the input duration". This default prevents expanding durations to * larger units unless the caller opts into this behavior. * * If `smallestUnit` is larger, then `smallestUnit` will be used as * `largestUnit`, superseding a caller-supplied or default value. */ largestUnit: LargestUnit; } ) & { /** * Allows rounding to an integer number of units. For example, to round * to increments of a half hour, use `{ smallestUnit: 'minute', * roundingIncrement: 30 }`. */ roundingIncrement?: number; /** * Controls how rounding is performed: * - `halfExpand`: Round to the nearest of the values allowed by * `roundingIncrement` and `smallestUnit`. When there is a tie, round * away from zero like `ceil` for positive durations and like `floor` * for negative durations. This mode is the default. * - `ceil`: Always round towards positive infinity. For negative * durations this option will decrease the absolute value of the * duration which may be unexpected. To round away from zero, use * `ceil` for positive durations and `floor` for negative durations. * - `trunc`: Always round down towards zero. * - `floor`: Always round towards negative infinity. This mode acts the * same as `trunc` for positive durations but for negative durations * it will increase the absolute value of the result which may be * unexpected. For this reason, `trunc` is recommended for most "round * down" use cases. */ roundingMode?: RoundingMode; /** * The starting point to use for rounding and conversions when * variable-length units (years, months, weeks depending on the * calendar) are involved. This option is required if any of the * following are true: * - `unit` is `'week'` or larger units * - `this` has a nonzero value for `weeks` or larger units * * This value must be either a `Temporal.PlainDateTime`, a * `Temporal.ZonedDateTime`, or a string or object value that can be * passed to `from()` of those types. Examples: * - `'2020-01'01T00:00-08:00[America/Los_Angeles]'` * - `'2020-01'01'` * - `Temporal.PlainDate.from('2020-01-01')` * * `Temporal.ZonedDateTime` will be tried first because it's more * specific, with `Temporal.PlainDateTime` as a fallback. * * If the value resolves to a `Temporal.ZonedDateTime`, then operation * will adjust for DST and other time zone transitions. Otherwise * (including if this option is omitted), then the operation will ignore * time zone transitions and all days will be assumed to be 24 hours * long. */ relativeTo?: | Temporal.PlainDateTime | Temporal.ZonedDateTime | PlainDateTimeLike | ZonedDateTimeLike | string; } ); /** * Options to control behavior of `Duration.prototype.total()` */ export type DurationTotalOf = | TotalUnit | { /** * The unit to convert the duration to. This option is required. */ unit: TotalUnit; /** * The starting point to use when variable-length units (years, months, * weeks depending on the calendar) are involved. This option is required if * any of the following are true: * - `unit` is `'week'` or larger units * - `this` has a nonzero value for `weeks` or larger units * * This value must be either a `Temporal.PlainDateTime`, a * `Temporal.ZonedDateTime`, or a string or object value that can be passed * to `from()` of those types. Examples: * - `'2020-01'01T00:00-08:00[America/Los_Angeles]'` * - `'2020-01'01'` * - `Temporal.PlainDate.from('2020-01-01')` * * `Temporal.ZonedDateTime` will be tried first because it's more * specific, with `Temporal.PlainDateTime` as a fallback. * * If the value resolves to a `Temporal.ZonedDateTime`, then operation will * adjust for DST and other time zone transitions. Otherwise (including if * this option is omitted), then the operation will ignore time zone * transitions and all days will be assumed to be 24 hours long. */ relativeTo?: | Temporal.ZonedDateTime | Temporal.PlainDateTime | ZonedDateTimeLike | PlainDateTimeLike | string; }; /** * Options to control behavior of `Duration.compare()`, `Duration.add()`, and * `Duration.subtract()` */ export interface DurationArithmeticOptions { /** * The starting point to use when variable-length units (years, months, * weeks depending on the calendar) are involved. This option is required if * either of the durations has a nonzero value for `weeks` or larger units. * * This value must be either a `Temporal.PlainDateTime`, a * `Temporal.ZonedDateTime`, or a string or object value that can be passed * to `from()` of those types. Examples: * - `'2020-01'01T00:00-08:00[America/Los_Angeles]'` * - `'2020-01'01'` * - `Temporal.PlainDate.from('2020-01-01')` * * `Temporal.ZonedDateTime` will be tried first because it's more * specific, with `Temporal.PlainDateTime` as a fallback. * * If the value resolves to a `Temporal.ZonedDateTime`, then operation will * adjust for DST and other time zone transitions. Otherwise (including if * this option is omitted), then the operation will ignore time zone * transitions and all days will be assumed to be 24 hours long. */ relativeTo?: | Temporal.ZonedDateTime | Temporal.PlainDateTime | ZonedDateTimeLike | PlainDateTimeLike | string; } export type DurationLike = { years?: number; months?: number; weeks?: number; days?: number; hours?: number; minutes?: number; seconds?: number; milliseconds?: number; microseconds?: number; nanoseconds?: number; }; /** * A `Temporal.Duration` represents an immutable duration of time which can be * used in date/time arithmetic. * * See https://tc39.es/proposal-temporal/docs/duration.html for more details. */ export class Duration { static from( item: Temporal.Duration | DurationLike | string, ): Temporal.Duration; static compare( one: Temporal.Duration | DurationLike | string, two: Temporal.Duration | DurationLike | string, options?: DurationArithmeticOptions, ): ComparisonResult; constructor( years?: number, months?: number, weeks?: number, days?: number, hours?: number, minutes?: number, seconds?: number, milliseconds?: number, microseconds?: number, nanoseconds?: number, ); readonly sign: -1 | 0 | 1; readonly blank: boolean; readonly years: number; readonly months: number; readonly weeks: number; readonly days: number; readonly hours: number; readonly minutes: number; readonly seconds: number; readonly milliseconds: number; readonly microseconds: number; readonly nanoseconds: number; negated(): Temporal.Duration; abs(): Temporal.Duration; with(durationLike: DurationLike): Temporal.Duration; add( other: Temporal.Duration | DurationLike | string, options?: DurationArithmeticOptions, ): Temporal.Duration; subtract( other: Temporal.Duration | DurationLike | string, options?: DurationArithmeticOptions, ): Temporal.Duration; round(roundTo: DurationRoundTo): Temporal.Duration; total(totalOf: DurationTotalOf): number; toLocaleString( locales?: string | string[], options?: Intl.DateTimeFormatOptions, ): string; toJSON(): string; toString(options?: ToStringPrecisionOptions): string; valueOf(): never; readonly [Symbol.toStringTag]: "Temporal.Duration"; } /** * A `Temporal.Instant` is an exact point in time, with a precision in * nanoseconds. No time zone or calendar information is present. Therefore, * `Temporal.Instant` has no concept of days, months, or even hours. * * For convenience of interoperability, it internally uses nanoseconds since * the {@link https://en.wikipedia.org/wiki/Unix_time|Unix epoch} (midnight * UTC on January 1, 1970). However, a `Temporal.Instant` can be created from * any of several expressions that refer to a single point in time, including * an {@link https://en.wikipedia.org/wiki/ISO_8601|ISO 8601 string} with a * time zone offset such as '2020-01-23T17:04:36.491865121-08:00'. * * See https://tc39.es/proposal-temporal/docs/instant.html for more details. */ export class Instant { static fromEpochSeconds(epochSeconds: number): Temporal.Instant; static fromEpochMilliseconds(epochMilliseconds: number): Temporal.Instant; static fromEpochMicroseconds(epochMicroseconds: bigint): Temporal.Instant; static fromEpochNanoseconds(epochNanoseconds: bigint): Temporal.Instant; static from(item: Temporal.Instant | string): Temporal.Instant; static compare( one: Temporal.Instant | string, two: Temporal.Instant | string, ): ComparisonResult; constructor(epochNanoseconds: bigint); readonly epochSeconds: number; readonly epochMilliseconds: number; readonly epochMicroseconds: bigint; readonly epochNanoseconds: bigint; equals(other: Temporal.Instant | string): boolean; add( durationLike: | Omit< Temporal.Duration | DurationLike, "years" | "months" | "weeks" | "days" > | string, ): Temporal.Instant; subtract( durationLike: | Omit< Temporal.Duration | DurationLike, "years" | "months" | "weeks" | "days" > | string, ): Temporal.Instant; until( other: Temporal.Instant | string, options?: DifferenceOptions< | "hour" | "minute" | "second" | "millisecond" | "microsecond" | "nanosecond" >, ): Temporal.Duration; since( other: Temporal.Instant | string, options?: DifferenceOptions< | "hour" | "minute" | "second" | "millisecond" | "microsecond" | "nanosecond" >, ): Temporal.Duration; round( roundTo: RoundTo< | "hour" | "minute" | "second" | "millisecond" | "microsecond" | "nanosecond" >, ): Temporal.Instant; toZonedDateTime( calendarAndTimeZone: { timeZone: TimeZoneLike; calendar: CalendarLike }, ): Temporal.ZonedDateTime; toZonedDateTimeISO(tzLike: TimeZoneLike): Temporal.ZonedDateTime; toLocaleString( locales?: string | string[], options?: Intl.DateTimeFormatOptions, ): string; toJSON(): string; toString(options?: InstantToStringOptions): string; valueOf(): never; readonly [Symbol.toStringTag]: "Temporal.Instant"; } type YearOrEraAndEraYear = { era: string; eraYear: number } | { year: number; }; type MonthCodeOrMonthAndYear = (YearOrEraAndEraYear & { month: number }) | { monthCode: string; }; type MonthOrMonthCode = { month: number } | { monthCode: string }; export interface CalendarProtocol { id: string; year( date: | Temporal.PlainDate | Temporal.PlainDateTime | Temporal.PlainYearMonth | PlainDateLike | string, ): number; month( date: | Temporal.PlainDate | Temporal.PlainDateTime | Temporal.PlainYearMonth | Temporal.PlainMonthDay | PlainDateLike | string, ): number; monthCode( date: | Temporal.PlainDate | Temporal.PlainDateTime | Temporal.PlainYearMonth | Temporal.PlainMonthDay | PlainDateLike | string, ): string; day( date: | Temporal.PlainDate | Temporal.PlainDateTime | Temporal.PlainMonthDay | PlainDateLike | string, ): number; era( date: | Temporal.PlainDate | Temporal.PlainDateTime | PlainDateLike | string, ): string | undefined; eraYear( date: | Temporal.PlainDate | Temporal.PlainDateTime | PlainDateLike | string, ): number | undefined; dayOfWeek( date: | Temporal.PlainDate | Temporal.PlainDateTime | PlainDateLike | string, ): number; dayOfYear( date: | Temporal.PlainDate | Temporal.PlainDateTime | PlainDateLike | string, ): number; weekOfYear( date: | Temporal.PlainDate | Temporal.PlainDateTime | PlainDateLike | string, ): number; yearOfWeek( date: | Temporal.PlainDate | Temporal.PlainDateTime | PlainDateLike | string, ): number; daysInWeek( date: | Temporal.PlainDate | Temporal.PlainDateTime | PlainDateLike | string, ): number; daysInMonth( date: | Temporal.PlainDate | Temporal.PlainDateTime | Temporal.PlainYearMonth | PlainDateLike | string, ): number; daysInYear( date: | Temporal.PlainDate | Temporal.PlainDateTime | Temporal.PlainYearMonth | PlainDateLike | string, ): number; monthsInYear( date: | Temporal.PlainDate | Temporal.PlainDateTime | Temporal.PlainYearMonth | PlainDateLike | string, ): number; inLeapYear( date: | Temporal.PlainDate | Temporal.PlainDateTime | Temporal.PlainYearMonth | PlainDateLike | string, ): boolean; dateFromFields( fields: YearOrEraAndEraYear & MonthOrMonthCode & { day: number }, options?: AssignmentOptions, ): Temporal.PlainDate; yearMonthFromFields( fields: YearOrEraAndEraYear & MonthOrMonthCode, options?: AssignmentOptions, ): Temporal.PlainYearMonth; monthDayFromFields( fields: MonthCodeOrMonthAndYear & { day: number }, options?: AssignmentOptions, ): Temporal.PlainMonthDay; dateAdd( date: Temporal.PlainDate | PlainDateLike | string, duration: Temporal.Duration | DurationLike | string, options?: ArithmeticOptions, ): Temporal.PlainDate; dateUntil( one: Temporal.PlainDate | PlainDateLike | string, two: Temporal.PlainDate | PlainDateLike | string, options?: DifferenceOptions<"year" | "month" | "week" | "day">, ): Temporal.Duration; fields(fields: Iterable): Iterable; mergeFields( fields: Record, additionalFields: Record, ): Record; toString?(): string; toJSON?(): string; } /** * Any of these types can be passed to Temporal methods instead of a Temporal.Calendar. */ export type CalendarLike = | string | CalendarProtocol | ZonedDateTime | PlainDateTime | PlainDate | PlainYearMonth | PlainMonthDay; /** * A `Temporal.Calendar` is a representation of a calendar system. It includes * information about how many days are in each year, how many months are in * each year, how many days are in each month, and how to do arithmetic in * that calendar system. * * See https://tc39.es/proposal-temporal/docs/calendar.html for more details. */ export class Calendar implements CalendarProtocol { static from(item: CalendarLike): Temporal.Calendar | CalendarProtocol; constructor(calendarIdentifier: string); readonly id: string; year( date: | Temporal.PlainDate | Temporal.PlainDateTime | Temporal.PlainYearMonth | PlainDateLike | string, ): number; month( date: | Temporal.PlainDate | Temporal.PlainDateTime | Temporal.PlainYearMonth | Temporal.PlainMonthDay | PlainDateLike | string, ): number; monthCode( date: | Temporal.PlainDate | Temporal.PlainDateTime | Temporal.PlainYearMonth | Temporal.PlainMonthDay | PlainDateLike | string, ): string; day( date: | Temporal.PlainDate | Temporal.PlainDateTime | Temporal.PlainMonthDay | PlainDateLike | string, ): number; era( date: | Temporal.PlainDate | Temporal.PlainDateTime | PlainDateLike | string, ): string | undefined; eraYear( date: | Temporal.PlainDate | Temporal.PlainDateTime | PlainDateLike | string, ): number | undefined; dayOfWeek( date: | Temporal.PlainDate | Temporal.PlainDateTime | PlainDateLike | string, ): number; dayOfYear( date: | Temporal.PlainDate | Temporal.PlainDateTime | PlainDateLike | string, ): number; weekOfYear( date: | Temporal.PlainDate | Temporal.PlainDateTime | PlainDateLike | string, ): number; yearOfWeek( date: | Temporal.PlainDate | Temporal.PlainDateTime | PlainDateLike | string, ): number; daysInWeek( date: | Temporal.PlainDate | Temporal.PlainDateTime | PlainDateLike | string, ): number; daysInMonth( date: | Temporal.PlainDate | Temporal.PlainDateTime | Temporal.PlainYearMonth | PlainDateLike | string, ): number; daysInYear( date: | Temporal.PlainDate | Temporal.PlainDateTime | Temporal.PlainYearMonth | PlainDateLike | string, ): number; monthsInYear( date: | Temporal.PlainDate | Temporal.PlainDateTime | Temporal.PlainYearMonth | PlainDateLike | string, ): number; inLeapYear( date: | Temporal.PlainDate | Temporal.PlainDateTime | Temporal.PlainYearMonth | PlainDateLike | string, ): boolean; dateFromFields( fields: YearOrEraAndEraYear & MonthOrMonthCode & { day: number }, options?: AssignmentOptions, ): Temporal.PlainDate; yearMonthFromFields( fields: YearOrEraAndEraYear & MonthOrMonthCode, options?: AssignmentOptions, ): Temporal.PlainYearMonth; monthDayFromFields( fields: MonthCodeOrMonthAndYear & { day: number }, options?: AssignmentOptions, ): Temporal.PlainMonthDay; dateAdd( date: Temporal.PlainDate | PlainDateLike | string, duration: Temporal.Duration | DurationLike | string, options?: ArithmeticOptions, ): Temporal.PlainDate; dateUntil( one: Temporal.PlainDate | PlainDateLike | string, two: Temporal.PlainDate | PlainDateLike | string, options?: DifferenceOptions<"year" | "month" | "week" | "day">, ): Temporal.Duration; fields(fields: Iterable): string[]; mergeFields( fields: Record, additionalFields: Record, ): Record; toString(): string; toJSON(): string; readonly [Symbol.toStringTag]: "Temporal.Calendar"; } export type PlainDateLike = { era?: string | undefined; eraYear?: number | undefined; year?: number; month?: number; monthCode?: string; day?: number; calendar?: CalendarLike; }; type PlainDateISOFields = { isoYear: number; isoMonth: number; isoDay: number; calendar: string | CalendarProtocol; }; /** * A `Temporal.PlainDate` represents a calendar date. "Calendar date" refers to the * concept of a date as expressed in everyday usage, independent of any time * zone. For example, it could be used to represent an event on a calendar * which happens during the whole day no matter which time zone it's happening * in. * * See https://tc39.es/proposal-temporal/docs/date.html for more details. */ export class PlainDate { static from( item: Temporal.PlainDate | PlainDateLike | string, options?: AssignmentOptions, ): Temporal.PlainDate; static compare( one: Temporal.PlainDate | PlainDateLike | string, two: Temporal.PlainDate | PlainDateLike | string, ): ComparisonResult; constructor( isoYear: number, isoMonth: number, isoDay: number, calendar?: CalendarLike, ); readonly era: string | undefined; readonly eraYear: number | undefined; readonly year: number; readonly month: number; readonly monthCode: string; readonly day: number; readonly calendarId: string; getCalendar(): CalendarProtocol; readonly dayOfWeek: number; readonly dayOfYear: number; readonly weekOfYear: number; readonly yearOfWeek: number; readonly daysInWeek: number; readonly daysInYear: number; readonly daysInMonth: number; readonly monthsInYear: number; readonly inLeapYear: boolean; equals(other: Temporal.PlainDate | PlainDateLike | string): boolean; with( dateLike: PlainDateLike, options?: AssignmentOptions, ): Temporal.PlainDate; withCalendar(calendar: CalendarLike): Temporal.PlainDate; add( durationLike: Temporal.Duration | DurationLike | string, options?: ArithmeticOptions, ): Temporal.PlainDate; subtract( durationLike: Temporal.Duration | DurationLike | string, options?: ArithmeticOptions, ): Temporal.PlainDate; until( other: Temporal.PlainDate | PlainDateLike | string, options?: DifferenceOptions<"year" | "month" | "week" | "day">, ): Temporal.Duration; since( other: Temporal.PlainDate | PlainDateLike | string, options?: DifferenceOptions<"year" | "month" | "week" | "day">, ): Temporal.Duration; toPlainDateTime( temporalTime?: Temporal.PlainTime | PlainTimeLike | string, ): Temporal.PlainDateTime; toZonedDateTime( timeZoneAndTime: | TimeZoneProtocol | string | { timeZone: TimeZoneLike; plainTime?: Temporal.PlainTime | PlainTimeLike | string; }, ): Temporal.ZonedDateTime; toPlainYearMonth(): Temporal.PlainYearMonth; toPlainMonthDay(): Temporal.PlainMonthDay; getISOFields(): PlainDateISOFields; toLocaleString( locales?: string | string[], options?: Intl.DateTimeFormatOptions, ): string; toJSON(): string; toString(options?: ShowCalendarOption): string; valueOf(): never; readonly [Symbol.toStringTag]: "Temporal.PlainDate"; } export type PlainDateTimeLike = { era?: string | undefined; eraYear?: number | undefined; year?: number; month?: number; monthCode?: string; day?: number; hour?: number; minute?: number; second?: number; millisecond?: number; microsecond?: number; nanosecond?: number; calendar?: CalendarLike; }; type PlainDateTimeISOFields = { isoYear: number; isoMonth: number; isoDay: number; isoHour: number; isoMinute: number; isoSecond: number; isoMillisecond: number; isoMicrosecond: number; isoNanosecond: number; calendar: string | CalendarProtocol; }; /** * A `Temporal.PlainDateTime` represents a calendar date and wall-clock time, with * a precision in nanoseconds, and without any time zone. Of the Temporal * classes carrying human-readable time information, it is the most general * and complete one. `Temporal.PlainDate`, `Temporal.PlainTime`, `Temporal.PlainYearMonth`, * and `Temporal.PlainMonthDay` all carry less information and should be used when * complete information is not required. * * See https://tc39.es/proposal-temporal/docs/datetime.html for more details. */ export class PlainDateTime { static from( item: Temporal.PlainDateTime | PlainDateTimeLike | string, options?: AssignmentOptions, ): Temporal.PlainDateTime; static compare( one: Temporal.PlainDateTime | PlainDateTimeLike | string, two: Temporal.PlainDateTime | PlainDateTimeLike | string, ): ComparisonResult; constructor( isoYear: number, isoMonth: number, isoDay: number, hour?: number, minute?: number, second?: number, millisecond?: number, microsecond?: number, nanosecond?: number, calendar?: CalendarLike, ); readonly era: string | undefined; readonly eraYear: number | undefined; readonly year: number; readonly month: number; readonly monthCode: string; readonly day: number; readonly hour: number; readonly minute: number; readonly second: number; readonly millisecond: number; readonly microsecond: number; readonly nanosecond: number; readonly calendarId: string; getCalendar(): CalendarProtocol; readonly dayOfWeek: number; readonly dayOfYear: number; readonly weekOfYear: number; readonly yearOfWeek: number; readonly daysInWeek: number; readonly daysInYear: number; readonly daysInMonth: number; readonly monthsInYear: number; readonly inLeapYear: boolean; equals(other: Temporal.PlainDateTime | PlainDateTimeLike | string): boolean; with( dateTimeLike: PlainDateTimeLike, options?: AssignmentOptions, ): Temporal.PlainDateTime; withPlainTime( timeLike?: Temporal.PlainTime | PlainTimeLike | string, ): Temporal.PlainDateTime; withPlainDate( dateLike: Temporal.PlainDate | PlainDateLike | string, ): Temporal.PlainDateTime; withCalendar(calendar: CalendarLike): Temporal.PlainDateTime; add( durationLike: Temporal.Duration | DurationLike | string, options?: ArithmeticOptions, ): Temporal.PlainDateTime; subtract( durationLike: Temporal.Duration | DurationLike | string, options?: ArithmeticOptions, ): Temporal.PlainDateTime; until( other: Temporal.PlainDateTime | PlainDateTimeLike | string, options?: DifferenceOptions< | "year" | "month" | "week" | "day" | "hour" | "minute" | "second" | "millisecond" | "microsecond" | "nanosecond" >, ): Temporal.Duration; since( other: Temporal.PlainDateTime | PlainDateTimeLike | string, options?: DifferenceOptions< | "year" | "month" | "week" | "day" | "hour" | "minute" | "second" | "millisecond" | "microsecond" | "nanosecond" >, ): Temporal.Duration; round( roundTo: RoundTo< | "day" | "hour" | "minute" | "second" | "millisecond" | "microsecond" | "nanosecond" >, ): Temporal.PlainDateTime; toZonedDateTime( tzLike: TimeZoneLike, options?: ToInstantOptions, ): Temporal.ZonedDateTime; toPlainDate(): Temporal.PlainDate; toPlainYearMonth(): Temporal.PlainYearMonth; toPlainMonthDay(): Temporal.PlainMonthDay; toPlainTime(): Temporal.PlainTime; getISOFields(): PlainDateTimeISOFields; toLocaleString( locales?: string | string[], options?: Intl.DateTimeFormatOptions, ): string; toJSON(): string; toString(options?: CalendarTypeToStringOptions): string; valueOf(): never; readonly [Symbol.toStringTag]: "Temporal.PlainDateTime"; } export type PlainMonthDayLike = { era?: string | undefined; eraYear?: number | undefined; year?: number; month?: number; monthCode?: string; day?: number; calendar?: CalendarLike; }; /** * A `Temporal.PlainMonthDay` represents a particular day on the calendar, but * without a year. For example, it could be used to represent a yearly * recurring event, like "Bastille Day is on the 14th of July." * * See https://tc39.es/proposal-temporal/docs/monthday.html for more details. */ export class PlainMonthDay { static from( item: Temporal.PlainMonthDay | PlainMonthDayLike | string, options?: AssignmentOptions, ): Temporal.PlainMonthDay; constructor( isoMonth: number, isoDay: number, calendar?: CalendarLike, referenceISOYear?: number, ); readonly monthCode: string; readonly day: number; readonly calendarId: string; getCalendar(): CalendarProtocol; equals(other: Temporal.PlainMonthDay | PlainMonthDayLike | string): boolean; with( monthDayLike: PlainMonthDayLike, options?: AssignmentOptions, ): Temporal.PlainMonthDay; toPlainDate(year: { year: number }): Temporal.PlainDate; getISOFields(): PlainDateISOFields; toLocaleString( locales?: string | string[], options?: Intl.DateTimeFormatOptions, ): string; toJSON(): string; toString(options?: ShowCalendarOption): string; valueOf(): never; readonly [Symbol.toStringTag]: "Temporal.PlainMonthDay"; } export type PlainTimeLike = { hour?: number; minute?: number; second?: number; millisecond?: number; microsecond?: number; nanosecond?: number; }; type PlainTimeISOFields = { isoHour: number; isoMinute: number; isoSecond: number; isoMillisecond: number; isoMicrosecond: number; isoNanosecond: number; }; /** * A `Temporal.PlainTime` represents a wall-clock time, with a precision in * nanoseconds, and without any time zone. "Wall-clock time" refers to the * concept of a time as expressed in everyday usage — the time that you read * off the clock on the wall. For example, it could be used to represent an * event that happens daily at a certain time, no matter what time zone. * * `Temporal.PlainTime` refers to a time with no associated calendar date; if you * need to refer to a specific time on a specific day, use * `Temporal.PlainDateTime`. A `Temporal.PlainTime` can be converted into a * `Temporal.PlainDateTime` by combining it with a `Temporal.PlainDate` using the * `toPlainDateTime()` method. * * See https://tc39.es/proposal-temporal/docs/time.html for more details. */ export class PlainTime { static from( item: Temporal.PlainTime | PlainTimeLike | string, options?: AssignmentOptions, ): Temporal.PlainTime; static compare( one: Temporal.PlainTime | PlainTimeLike | string, two: Temporal.PlainTime | PlainTimeLike | string, ): ComparisonResult; constructor( hour?: number, minute?: number, second?: number, millisecond?: number, microsecond?: number, nanosecond?: number, ); readonly hour: number; readonly minute: number; readonly second: number; readonly millisecond: number; readonly microsecond: number; readonly nanosecond: number; equals(other: Temporal.PlainTime | PlainTimeLike | string): boolean; with( timeLike: Temporal.PlainTime | PlainTimeLike, options?: AssignmentOptions, ): Temporal.PlainTime; add( durationLike: Temporal.Duration | DurationLike | string, options?: ArithmeticOptions, ): Temporal.PlainTime; subtract( durationLike: Temporal.Duration | DurationLike | string, options?: ArithmeticOptions, ): Temporal.PlainTime; until( other: Temporal.PlainTime | PlainTimeLike | string, options?: DifferenceOptions< | "hour" | "minute" | "second" | "millisecond" | "microsecond" | "nanosecond" >, ): Temporal.Duration; since( other: Temporal.PlainTime | PlainTimeLike | string, options?: DifferenceOptions< | "hour" | "minute" | "second" | "millisecond" | "microsecond" | "nanosecond" >, ): Temporal.Duration; round( roundTo: RoundTo< | "hour" | "minute" | "second" | "millisecond" | "microsecond" | "nanosecond" >, ): Temporal.PlainTime; toPlainDateTime( temporalDate: Temporal.PlainDate | PlainDateLike | string, ): Temporal.PlainDateTime; toZonedDateTime(timeZoneAndDate: { timeZone: TimeZoneLike; plainDate: Temporal.PlainDate | PlainDateLike | string; }): Temporal.ZonedDateTime; getISOFields(): PlainTimeISOFields; toLocaleString( locales?: string | string[], options?: Intl.DateTimeFormatOptions, ): string; toJSON(): string; toString(options?: ToStringPrecisionOptions): string; valueOf(): never; readonly [Symbol.toStringTag]: "Temporal.PlainTime"; } /** * A plain object implementing the protocol for a custom time zone. */ export interface TimeZoneProtocol { id: string; getOffsetNanosecondsFor(instant: Temporal.Instant | string): number; getOffsetStringFor?(instant: Temporal.Instant | string): string; getPlainDateTimeFor?( instant: Temporal.Instant | string, calendar?: CalendarLike, ): Temporal.PlainDateTime; getInstantFor?( dateTime: Temporal.PlainDateTime | PlainDateTimeLike | string, options?: ToInstantOptions, ): Temporal.Instant; getNextTransition?( startingPoint: Temporal.Instant | string, ): Temporal.Instant | null; getPreviousTransition?( startingPoint: Temporal.Instant | string, ): Temporal.Instant | null; getPossibleInstantsFor( dateTime: Temporal.PlainDateTime | PlainDateTimeLike | string, ): Temporal.Instant[]; toString?(): string; toJSON?(): string; } /** * Any of these types can be passed to Temporal methods instead of a Temporal.TimeZone. */ export type TimeZoneLike = string | TimeZoneProtocol | ZonedDateTime; /** * A `Temporal.TimeZone` is a representation of a time zone: either an * {@link https://www.iana.org/time-zones|IANA time zone}, including * information about the time zone such as the offset between the local time * and UTC at a particular time, and daylight saving time (DST) changes; or * simply a particular UTC offset with no DST. * * `Temporal.ZonedDateTime` is the only Temporal type to contain a time zone. * Other types, like `Temporal.Instant` and `Temporal.PlainDateTime`, do not * contain any time zone information, and a `Temporal.TimeZone` object is * required to convert between them. * * See https://tc39.es/proposal-temporal/docs/timezone.html for more details. */ export class TimeZone implements TimeZoneProtocol { static from(timeZone: TimeZoneLike): Temporal.TimeZone | TimeZoneProtocol; constructor(timeZoneIdentifier: string); readonly id: string; equals(timeZone: TimeZoneLike): boolean; getOffsetNanosecondsFor(instant: Temporal.Instant | string): number; getOffsetStringFor(instant: Temporal.Instant | string): string; getPlainDateTimeFor( instant: Temporal.Instant | string, calendar?: CalendarLike, ): Temporal.PlainDateTime; getInstantFor( dateTime: Temporal.PlainDateTime | PlainDateTimeLike | string, options?: ToInstantOptions, ): Temporal.Instant; getNextTransition( startingPoint: Temporal.Instant | string, ): Temporal.Instant | null; getPreviousTransition( startingPoint: Temporal.Instant | string, ): Temporal.Instant | null; getPossibleInstantsFor( dateTime: Temporal.PlainDateTime | PlainDateTimeLike | string, ): Temporal.Instant[]; toString(): string; toJSON(): string; readonly [Symbol.toStringTag]: "Temporal.TimeZone"; } export type PlainYearMonthLike = { era?: string | undefined; eraYear?: number | undefined; year?: number; month?: number; monthCode?: string; calendar?: CalendarLike; }; /** * A `Temporal.PlainYearMonth` represents a particular month on the calendar. For * example, it could be used to represent a particular instance of a monthly * recurring event, like "the June 2019 meeting". * * See https://tc39.es/proposal-temporal/docs/yearmonth.html for more details. */ export class PlainYearMonth { static from( item: Temporal.PlainYearMonth | PlainYearMonthLike | string, options?: AssignmentOptions, ): Temporal.PlainYearMonth; static compare( one: Temporal.PlainYearMonth | PlainYearMonthLike | string, two: Temporal.PlainYearMonth | PlainYearMonthLike | string, ): ComparisonResult; constructor( isoYear: number, isoMonth: number, calendar?: CalendarLike, referenceISODay?: number, ); readonly era: string | undefined; readonly eraYear: number | undefined; readonly year: number; readonly month: number; readonly monthCode: string; readonly calendarId: string; getCalendar(): CalendarProtocol; readonly daysInMonth: number; readonly daysInYear: number; readonly monthsInYear: number; readonly inLeapYear: boolean; equals( other: Temporal.PlainYearMonth | PlainYearMonthLike | string, ): boolean; with( yearMonthLike: PlainYearMonthLike, options?: AssignmentOptions, ): Temporal.PlainYearMonth; add( durationLike: Temporal.Duration | DurationLike | string, options?: ArithmeticOptions, ): Temporal.PlainYearMonth; subtract( durationLike: Temporal.Duration | DurationLike | string, options?: ArithmeticOptions, ): Temporal.PlainYearMonth; until( other: Temporal.PlainYearMonth | PlainYearMonthLike | string, options?: DifferenceOptions<"year" | "month">, ): Temporal.Duration; since( other: Temporal.PlainYearMonth | PlainYearMonthLike | string, options?: DifferenceOptions<"year" | "month">, ): Temporal.Duration; toPlainDate(day: { day: number }): Temporal.PlainDate; getISOFields(): PlainDateISOFields; toLocaleString( locales?: string | string[], options?: Intl.DateTimeFormatOptions, ): string; toJSON(): string; toString(options?: ShowCalendarOption): string; valueOf(): never; readonly [Symbol.toStringTag]: "Temporal.PlainYearMonth"; } export type ZonedDateTimeLike = { era?: string | undefined; eraYear?: number | undefined; year?: number; month?: number; monthCode?: string; day?: number; hour?: number; minute?: number; second?: number; millisecond?: number; microsecond?: number; nanosecond?: number; offset?: string; timeZone?: TimeZoneLike; calendar?: CalendarLike; }; type ZonedDateTimeISOFields = { isoYear: number; isoMonth: number; isoDay: number; isoHour: number; isoMinute: number; isoSecond: number; isoMillisecond: number; isoMicrosecond: number; isoNanosecond: number; offset: string; timeZone: string | TimeZoneProtocol; calendar: string | CalendarProtocol; }; export class ZonedDateTime { static from( item: Temporal.ZonedDateTime | ZonedDateTimeLike | string, options?: ZonedDateTimeAssignmentOptions, ): ZonedDateTime; static compare( one: Temporal.ZonedDateTime | ZonedDateTimeLike | string, two: Temporal.ZonedDateTime | ZonedDateTimeLike | string, ): ComparisonResult; constructor( epochNanoseconds: bigint, timeZone: TimeZoneLike, calendar?: CalendarLike, ); readonly era: string | undefined; readonly eraYear: number | undefined; readonly year: number; readonly month: number; readonly monthCode: string; readonly day: number; readonly hour: number; readonly minute: number; readonly second: number; readonly millisecond: number; readonly microsecond: number; readonly nanosecond: number; readonly timeZoneId: string; getTimeZone(): TimeZoneProtocol; readonly calendarId: string; getCalendar(): CalendarProtocol; readonly dayOfWeek: number; readonly dayOfYear: number; readonly weekOfYear: number; readonly yearOfWeek: number; readonly hoursInDay: number; readonly daysInWeek: number; readonly daysInMonth: number; readonly daysInYear: number; readonly monthsInYear: number; readonly inLeapYear: boolean; readonly offsetNanoseconds: number; readonly offset: string; readonly epochSeconds: number; readonly epochMilliseconds: number; readonly epochMicroseconds: bigint; readonly epochNanoseconds: bigint; equals(other: Temporal.ZonedDateTime | ZonedDateTimeLike | string): boolean; with( zonedDateTimeLike: ZonedDateTimeLike, options?: ZonedDateTimeAssignmentOptions, ): Temporal.ZonedDateTime; withPlainTime( timeLike?: Temporal.PlainTime | PlainTimeLike | string, ): Temporal.ZonedDateTime; withPlainDate( dateLike: Temporal.PlainDate | PlainDateLike | string, ): Temporal.ZonedDateTime; withCalendar(calendar: CalendarLike): Temporal.ZonedDateTime; withTimeZone(timeZone: TimeZoneLike): Temporal.ZonedDateTime; add( durationLike: Temporal.Duration | DurationLike | string, options?: ArithmeticOptions, ): Temporal.ZonedDateTime; subtract( durationLike: Temporal.Duration | DurationLike | string, options?: ArithmeticOptions, ): Temporal.ZonedDateTime; until( other: Temporal.ZonedDateTime | ZonedDateTimeLike | string, options?: Temporal.DifferenceOptions< | "year" | "month" | "week" | "day" | "hour" | "minute" | "second" | "millisecond" | "microsecond" | "nanosecond" >, ): Temporal.Duration; since( other: Temporal.ZonedDateTime | ZonedDateTimeLike | string, options?: Temporal.DifferenceOptions< | "year" | "month" | "week" | "day" | "hour" | "minute" | "second" | "millisecond" | "microsecond" | "nanosecond" >, ): Temporal.Duration; round( roundTo: RoundTo< | "day" | "hour" | "minute" | "second" | "millisecond" | "microsecond" | "nanosecond" >, ): Temporal.ZonedDateTime; startOfDay(): Temporal.ZonedDateTime; toInstant(): Temporal.Instant; toPlainDateTime(): Temporal.PlainDateTime; toPlainDate(): Temporal.PlainDate; toPlainYearMonth(): Temporal.PlainYearMonth; toPlainMonthDay(): Temporal.PlainMonthDay; toPlainTime(): Temporal.PlainTime; getISOFields(): ZonedDateTimeISOFields; toLocaleString( locales?: string | string[], options?: Intl.DateTimeFormatOptions, ): string; toJSON(): string; toString(options?: ZonedDateTimeToStringOptions): string; valueOf(): never; readonly [Symbol.toStringTag]: "Temporal.ZonedDateTime"; } /** * The `Temporal.Now` object has several methods which give information about * the current date, time, and time zone. * * See https://tc39.es/proposal-temporal/docs/now.html for more details. */ export const Now: { /** * Get the exact system date and time as a `Temporal.Instant`. * * This method gets the current exact system time, without regard to * calendar or time zone. This is a good way to get a timestamp for an * event, for example. It works like the old-style JavaScript `Date.now()`, * but with nanosecond precision instead of milliseconds. * * Note that a `Temporal.Instant` doesn't know about time zones. For the * exact time in a specific time zone, use `Temporal.Now.zonedDateTimeISO` * or `Temporal.Now.zonedDateTime`. */ instant: () => Temporal.Instant; /** * Get the current calendar date and clock time in a specific calendar and * time zone. * * The `calendar` parameter is required. When using the ISO 8601 calendar or * if you don't understand the need for or implications of a calendar, then * a more ergonomic alternative to this method is * `Temporal.Now.zonedDateTimeISO()`. * * @param {CalendarLike} [calendar] - calendar identifier, or * a `Temporal.Calendar` instance, or an object implementing the calendar * protocol. * @param {TimeZoneLike} [tzLike] - * {@link https://en.wikipedia.org/wiki/List_of_tz_database_time_zones|IANA time zone identifier} * string (e.g. `'Europe/London'`), `Temporal.TimeZone` instance, or an * object implementing the time zone protocol. If omitted, the environment's * current time zone will be used. */ zonedDateTime: ( calendar: CalendarLike, tzLike?: TimeZoneLike, ) => Temporal.ZonedDateTime; /** * Get the current calendar date and clock time in a specific time zone, * using the ISO 8601 calendar. * * @param {TimeZoneLike} [tzLike] - * {@link https://en.wikipedia.org/wiki/List_of_tz_database_time_zones|IANA time zone identifier} * string (e.g. `'Europe/London'`), `Temporal.TimeZone` instance, or an * object implementing the time zone protocol. If omitted, the environment's * current time zone will be used. */ zonedDateTimeISO: (tzLike?: TimeZoneLike) => Temporal.ZonedDateTime; /** * Get the current calendar date and clock time in a specific calendar and * time zone. * * The calendar is required. When using the ISO 8601 calendar or if you * don't understand the need for or implications of a calendar, then a more * ergonomic alternative to this method is `Temporal.Now.plainDateTimeISO`. * * Note that the `Temporal.PlainDateTime` type does not persist the time zone, * but retaining the time zone is required for most time-zone-related use * cases. Therefore, it's usually recommended to use * `Temporal.Now.zonedDateTimeISO` or `Temporal.Now.zonedDateTime` instead * of this function. * * @param {CalendarLike} [calendar] - calendar identifier, or * a `Temporal.Calendar` instance, or an object implementing the calendar * protocol. * @param {TimeZoneLike} [tzLike] - * {@link https://en.wikipedia.org/wiki/List_of_tz_database_time_zones|IANA time zone identifier} * string (e.g. `'Europe/London'`), `Temporal.TimeZone` instance, or an * object implementing the time zone protocol. If omitted, * the environment's current time zone will be used. */ plainDateTime: ( calendar: CalendarLike, tzLike?: TimeZoneLike, ) => Temporal.PlainDateTime; /** * Get the current date and clock time in a specific time zone, using the * ISO 8601 calendar. * * Note that the `Temporal.PlainDateTime` type does not persist the time zone, * but retaining the time zone is required for most time-zone-related use * cases. Therefore, it's usually recommended to use * `Temporal.Now.zonedDateTimeISO` instead of this function. * * @param {TimeZoneLike} [tzLike] - * {@link https://en.wikipedia.org/wiki/List_of_tz_database_time_zones|IANA time zone identifier} * string (e.g. `'Europe/London'`), `Temporal.TimeZone` instance, or an * object implementing the time zone protocol. If omitted, the environment's * current time zone will be used. */ plainDateTimeISO: (tzLike?: TimeZoneLike) => Temporal.PlainDateTime; /** * Get the current calendar date in a specific calendar and time zone. * * The calendar is required. When using the ISO 8601 calendar or if you * don't understand the need for or implications of a calendar, then a more * ergonomic alternative to this method is `Temporal.Now.plainDateISO`. * * @param {CalendarLike} [calendar] - calendar identifier, or * a `Temporal.Calendar` instance, or an object implementing the calendar * protocol. * @param {TimeZoneLike} [tzLike] - * {@link https://en.wikipedia.org/wiki/List_of_tz_database_time_zones|IANA time zone identifier} * string (e.g. `'Europe/London'`), `Temporal.TimeZone` instance, or an * object implementing the time zone protocol. If omitted, * the environment's current time zone will be used. */ plainDate: ( calendar: CalendarLike, tzLike?: TimeZoneLike, ) => Temporal.PlainDate; /** * Get the current date in a specific time zone, using the ISO 8601 * calendar. * * @param {TimeZoneLike} [tzLike] - * {@link https://en.wikipedia.org/wiki/List_of_tz_database_time_zones|IANA time zone identifier} * string (e.g. `'Europe/London'`), `Temporal.TimeZone` instance, or an * object implementing the time zone protocol. If omitted, the environment's * current time zone will be used. */ plainDateISO: (tzLike?: TimeZoneLike) => Temporal.PlainDate; /** * Get the current clock time in a specific time zone, using the ISO 8601 calendar. * * @param {TimeZoneLike} [tzLike] - * {@link https://en.wikipedia.org/wiki/List_of_tz_database_time_zones|IANA time zone identifier} * string (e.g. `'Europe/London'`), `Temporal.TimeZone` instance, or an * object implementing the time zone protocol. If omitted, the environment's * current time zone will be used. */ plainTimeISO: (tzLike?: TimeZoneLike) => Temporal.PlainTime; /** * Get the identifier of the environment's current time zone. * * This method gets the identifier of the current system time zone. This * will usually be a named * {@link https://en.wikipedia.org/wiki/List_of_tz_database_time_zones|IANA time zone}. */ timeZoneId: () => string; readonly [Symbol.toStringTag]: "Temporal.Now"; }; } declare namespace Intl { type Formattable = | Date | Temporal.Instant | Temporal.ZonedDateTime | Temporal.PlainDate | Temporal.PlainTime | Temporal.PlainDateTime | Temporal.PlainYearMonth | Temporal.PlainMonthDay; interface DateTimeFormatRangePart { source: "shared" | "startRange" | "endRange"; } export interface DateTimeFormat { /** * Format a date into a string according to the locale and formatting * options of this `Intl.DateTimeFormat` object. * * @param date The date to format. */ format(date?: Formattable | number): string; /** * Allow locale-aware formatting of strings produced by * `Intl.DateTimeFormat` formatters. * * @param date The date to format. */ formatToParts( date?: Formattable | number, ): globalThis.Intl.DateTimeFormatPart[]; /** * Format a date range in the most concise way based on the locale and * options provided when instantiating this `Intl.DateTimeFormat` object. * * @param startDate The start date of the range to format. * @param endDate The start date of the range to format. Must be the same * type as `startRange`. */ formatRange(startDate: T, endDate: T): string; formatRange(startDate: Date | number, endDate: Date | number): string; /** * Allow locale-aware formatting of tokens representing each part of the * formatted date range produced by `Intl.DateTimeFormat` formatters. * * @param startDate The start date of the range to format. * @param endDate The start date of the range to format. Must be the same * type as `startRange`. */ formatRangeToParts( startDate: T, endDate: T, ): DateTimeFormatRangePart[]; formatRangeToParts( startDate: Date | number, endDate: Date | number, ): DateTimeFormatRangePart[]; } export interface DateTimeFormatOptions { // TODO: remove the props below after TS lib declarations are updated dayPeriod?: "narrow" | "short" | "long"; dateStyle?: "full" | "long" | "medium" | "short"; timeStyle?: "full" | "long" | "medium" | "short"; } }