diff options
| author | David Sherret <dsherret@users.noreply.github.com> | 2022-11-25 18:29:48 -0500 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-11-25 18:29:48 -0500 |
| commit | dcb4ffb93a380710c32cc212b937ea38db5ceacc (patch) | |
| tree | 18bf860912a14b84287bb8dbafdc41c5e3cdc6ab /cli/dts/lib.deno.ns.d.ts | |
| parent | 0cc90d9246ff2c392457632d5030eaca2ca1ca6f (diff) | |
refactor: move dts files, diagnostics.rs, and tsc.rs to tsc folder (#16820)
Diffstat (limited to 'cli/dts/lib.deno.ns.d.ts')
| -rw-r--r-- | cli/dts/lib.deno.ns.d.ts | 5217 |
1 files changed, 0 insertions, 5217 deletions
diff --git a/cli/dts/lib.deno.ns.d.ts b/cli/dts/lib.deno.ns.d.ts deleted file mode 100644 index 1049bf643..000000000 --- a/cli/dts/lib.deno.ns.d.ts +++ /dev/null @@ -1,5217 +0,0 @@ -// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license. - -/// <reference no-default-lib="true" /> -/// <reference lib="esnext" /> -/// <reference lib="deno.net" /> - -/** Deno provides extra properties on `import.meta`. These are included here - * to ensure that these are still available when using the Deno namespace in - * conjunction with other type libs, like `dom`. - * - * @category ES Modules - */ -declare interface ImportMeta { - /** A string representation of the fully qualified module URL. When the - * module is loaded locally, the value will be a file URL (e.g. - * `file:///path/module.ts`). - * - * You can also parse the string as a URL to determine more information about - * how the current module was loaded. For example to determine if a module was - * local or not: - * - * ```ts - * const url = new URL(import.meta.url); - * if (url.protocol === "file:") { - * console.log("this module was loaded locally"); - * } - * ``` - */ - url: string; - - /** A flag that indicates if the current module is the main module that was - * called when starting the program under Deno. - * - * ```ts - * if (import.meta.main) { - * // this was loaded as the main module, maybe do some bootstrapping - * } - * ``` - */ - main: boolean; - - /** A function that returns resolved specifier as if it would be imported - * using `import(specifier)`. - * - * ```ts - * console.log(import.meta.resolve("./foo.js")); - * // file:///dev/foo.js - * ``` - */ - resolve(specifier: string): string; -} - -/** Deno supports [User Timing Level 3](https://w3c.github.io/user-timing) - * which is not widely supported yet in other runtimes. - * - * Check out the - * [Performance API](https://developer.mozilla.org/en-US/docs/Web/API/Performance) - * documentation on MDN for further information about how to use the API. - * - * @category Performance - */ -declare interface Performance { - /** Stores a timestamp with the associated name (a "mark"). */ - mark(markName: string, options?: PerformanceMarkOptions): PerformanceMark; - - /** Stores the `DOMHighResTimeStamp` duration between two marks along with the - * associated name (a "measure"). */ - measure( - measureName: string, - options?: PerformanceMeasureOptions, - ): PerformanceMeasure; -} - -/** - * Options which are used in conjunction with `performance.mark`. Check out the - * MDN - * [`performance.mark()`](https://developer.mozilla.org/en-US/docs/Web/API/Performance/mark#markoptions) - * documentation for more details. - * - * @category Performance - */ -declare interface PerformanceMarkOptions { - /** Metadata to be included in the mark. */ - // deno-lint-ignore no-explicit-any - detail?: any; - - /** Timestamp to be used as the mark time. */ - startTime?: number; -} - -/** - * Options which are used in conjunction with `performance.measure`. Check out the - * MDN - * [`performance.mark()`](https://developer.mozilla.org/en-US/docs/Web/API/Performance/measure#measureoptions) - * documentation for more details. - * - * @category Performance - */ -declare interface PerformanceMeasureOptions { - /** Metadata to be included in the measure. */ - // deno-lint-ignore no-explicit-any - detail?: any; - - /** Timestamp to be used as the start time or string to be used as start - * mark. */ - start?: string | number; - - /** Duration between the start and end times. */ - duration?: number; - - /** Timestamp to be used as the end time or string to be used as end mark. */ - end?: string | number; -} - -/** The global namespace where Deno specific, non-standard APIs are located. */ -declare namespace Deno { - /** A set of error constructors that are raised by Deno APIs. - * - * Can be used to provide more specific handling of failures within code - * which is using Deno APIs. For example, handling attempting to open a file - * which does not exist: - * - * ```ts - * try { - * const file = await Deno.open("./some/file.txt"); - * } catch (error) { - * if (error instanceof Deno.errors.NotFound) { - * console.error("the file was not found"); - * } else { - * // otherwise re-throw - * throw error; - * } - * } - * ``` - * - * @category Errors - */ - export namespace errors { - /** - * Raised when the underlying operating system indicates that the file - * was not found. - * - * @category Errors */ - export class NotFound extends Error {} - /** - * Raised when the underlying operating system indicates the current user - * which the Deno process is running under does not have the appropriate - * permissions to a file or resource, or the user _did not_ provide required - * `--allow-*` flag. - * - * @category Errors */ - export class PermissionDenied extends Error {} - /** - * Raised when the underlying operating system reports that a connection to - * a resource is refused. - * - * @category Errors */ - export class ConnectionRefused extends Error {} - /** - * Raised when the underlying operating system reports that a connection has - * been reset. With network servers, it can be a _normal_ occurrence where a - * client will abort a connection instead of properly shutting it down. - * - * @category Errors */ - export class ConnectionReset extends Error {} - /** - * Raised when the underlying operating system reports an `ECONNABORTED` - * error. - * - * @category Errors */ - export class ConnectionAborted extends Error {} - /** - * Raised when the underlying operating system reports an `ENOTCONN` error. - * - * @category Errors */ - export class NotConnected extends Error {} - /** - * Raised when attempting to open a server listener on an address and port - * that already has a listener. - * - * @category Errors */ - export class AddrInUse extends Error {} - /** - * Raised when the underlying operating system reports an `EADDRNOTAVAIL` - * error. - * - * @category Errors */ - export class AddrNotAvailable extends Error {} - /** - * Raised when trying to write to a resource and a broken pipe error occurs. - * This can happen when trying to write directly to `stdout` or `stderr` - * and the operating system is unable to pipe the output for a reason - * external to the Deno runtime. - * - * @category Errors */ - export class BrokenPipe extends Error {} - /** - * Raised when trying to create a resource, like a file, that already - * exits. - * - * @category Errors */ - export class AlreadyExists extends Error {} - /** - * Raised when an operation to returns data that is invalid for the - * operation being performed. - * - * @category Errors */ - export class InvalidData extends Error {} - /** - * Raised when the underlying operating system reports that an I/O operation - * has timed out (`ETIMEDOUT`). - * - * @category Errors */ - export class TimedOut extends Error {} - /** - * Raised when the underlying operating system reports an `EINTR` error. In - * many cases, this underlying IO error will be handled internally within - * Deno, or result in an @{link BadResource} error instead. - * - * @category Errors */ - export class Interrupted extends Error {} - /** - * Raised when expecting to write to a IO buffer resulted in zero bytes - * being written. - * - * @category Errors */ - export class WriteZero extends Error {} - /** - * Raised when attempting to read bytes from a resource, but the EOF was - * unexpectedly encountered. - * - * @category Errors */ - export class UnexpectedEof extends Error {} - /** - * The underlying IO resource is invalid or closed, and so the operation - * could not be performed. - * - * @category Errors */ - export class BadResource extends Error {} - /** - * Raised in situations where when attempting to load a dynamic import, - * too many redirects were encountered. - * - * @category Errors */ - export class Http extends Error {} - /** - * Raised when the underlying IO resource is not available because it is - * being awaited on in another block of code. - * - * @category Errors */ - export class Busy extends Error {} - /** - * Raised when the underlying Deno API is asked to perform a function that - * is not currently supported. - * - * @category Errors */ - export class NotSupported extends Error {} - } - - /** The current process ID of this instance of the Deno CLI. - * - * ```ts - * console.log(Deno.pid); - * ``` - * - * @category Runtime Environment - */ - export const pid: number; - - /** - * The process ID of parent process of this instance of the Deno CLI. - * - * ```ts - * console.log(Deno.ppid); - * ``` - * - * @category Runtime Environment - */ - export const ppid: number; - - /** @category Runtime Environment */ - export interface MemoryUsage { - /** The number of bytes of the current Deno's process resident set size, - * which is the amount of memory occupied in main memory (RAM). */ - rss: number; - /** The total size of the heap for V8, in bytes. */ - heapTotal: number; - /** The amount of the heap used for V8, in bytes. */ - heapUsed: number; - /** Memory, in bytes, associated with JavaScript objects outside of the - * JavaScript isolate. */ - external: number; - } - - /** - * Returns an object describing the memory usage of the Deno process and the - * V8 subsystem measured in bytes. - * - * @category Runtime Environment - */ - export function memoryUsage(): MemoryUsage; - - /** - * Get the `hostname` of the machine the Deno process is running on. - * - * ```ts - * console.log(Deno.hostname()); - * ``` - * - * Requires `allow-sys` permission. - * - * @tags allow-sys - * @category Runtime Environment - */ - export function hostname(): string; - - /** - * Returns an array containing the 1, 5, and 15 minute load averages. The - * load average is a measure of CPU and IO utilization of the last one, five, - * and 15 minute periods expressed as a fractional number. Zero means there - * is no load. On Windows, the three values are always the same and represent - * the current load, not the 1, 5 and 15 minute load averages. - * - * ```ts - * console.log(Deno.loadavg()); // e.g. [ 0.71, 0.44, 0.44 ] - * ``` - * - * Requires `allow-sys` permission. - * - * @tags allow-sys - * @category Observability - */ - export function loadavg(): number[]; - - /** - * The information for a network interface returned from a call to - * {@linkcode Deno.networkInterfaces}. - * - * @category Network - */ - export interface NetworkInterfaceInfo { - /** The network interface name. */ - name: string; - /** The IP protocol version. */ - family: "IPv4" | "IPv6"; - /** The IP address bound to the interface. */ - address: string; - /** The netmask applied to the interface. */ - netmask: string; - /** The IPv6 scope id or `null`. */ - scopeid: number | null; - /** The CIDR range. */ - cidr: string; - /** The MAC address. */ - mac: string; - } - - /** - * Returns an array of the network interface information. - * - * ```ts - * console.log(Deno.networkInterfaces()); - * ``` - * - * Requires `allow-sys` permission. - * - * @tags allow-sys - * @category Network - */ - export function networkInterfaces(): NetworkInterfaceInfo[]; - - /** - * Displays the total amount of free and used physical and swap memory in the - * system, as well as the buffers and caches used by the kernel. - * - * This is similar to the `free` command in Linux - * - * ```ts - * console.log(Deno.systemMemoryInfo()); - * ``` - * - * Requires `allow-sys` permission. - * - * @tags allow-sys - * @category Runtime Environment - */ - export function systemMemoryInfo(): SystemMemoryInfo; - - /** - * Information returned from a call to {@linkcode Deno.systemMemoryInfo}. - * - * @category Runtime Environment - */ - export interface SystemMemoryInfo { - /** Total installed memory in bytes. */ - total: number; - /** Unused memory in bytes. */ - free: number; - /** Estimation of how much memory, in bytes, is available for starting new - * applications, without swapping. Unlike the data provided by the cache or - * free fields, this field takes into account page cache and also that not - * all reclaimable memory will be reclaimed due to items being in use. - */ - available: number; - /** Memory used by kernel buffers. */ - buffers: number; - /** Memory used by the page cache and slabs. */ - cached: number; - /** Total swap memory. */ - swapTotal: number; - /** Unused swap memory. */ - swapFree: number; - } - - /** Reflects the `NO_COLOR` environment variable at program start. - * - * When the value is `true`, the Deno CLI will attempt to not send color codes - * to `stderr` or `stdout` and other command line programs should also attempt - * to respect this value. - * - * See: https://no-color.org/ - * - * @category Runtime Environment - */ - export const noColor: boolean; - - /** - * Returns the release version of the Operating System. - * - * ```ts - * console.log(Deno.osRelease()); - * ``` - * - * Requires `allow-sys` permission. - * Under consideration to possibly move to Deno.build or Deno.versions and if - * it should depend sys-info, which may not be desirable. - * - * @tags allow-sys - * @category Runtime Environment - */ - export function osRelease(): string; - - /** - * Options which define the permissions within a test or worker context. - * - * `"inherit"` ensures that all permissions of the parent process will be - * applied to the test context. `"none"` ensures the test context has no - * permissions. A `PermissionOptionsObject` provides a more specific - * set of permissions to the test context. - * - * @category Permissions */ - export type PermissionOptions = - | "inherit" - | "none" - | PermissionOptionsObject; - - /** - * A set of options which can define the permissions within a test or worker - * context at a highly specific level. - * - * @category Permissions */ - export interface PermissionOptionsObject { - /** Specifies if the `env` permission should be requested or revoked. - * If set to `"inherit"`, the current `env` permission will be inherited. - * If set to `true`, the global `env` permission will be requested. - * If set to `false`, the global `env` permission will be revoked. - * - * Defaults to `false`. - */ - env?: "inherit" | boolean | string[]; - - /** Specifies if the `sys` permission should be requested or revoked. - * If set to `"inherit"`, the current `sys` permission will be inherited. - * If set to `true`, the global `sys` permission will be requested. - * If set to `false`, the global `sys` permission will be revoked. - * - * Defaults to `false`. - */ - sys?: "inherit" | boolean | string[]; - - /** Specifies if the `hrtime` permission should be requested or revoked. - * If set to `"inherit"`, the current `hrtime` permission will be inherited. - * If set to `true`, the global `hrtime` permission will be requested. - * If set to `false`, the global `hrtime` permission will be revoked. - * - * Defaults to `false`. - */ - hrtime?: "inherit" | boolean; - - /** Specifies if the `net` permission should be requested or revoked. - * if set to `"inherit"`, the current `net` permission will be inherited. - * if set to `true`, the global `net` permission will be requested. - * if set to `false`, the global `net` permission will be revoked. - * if set to `string[]`, the `net` permission will be requested with the - * specified host strings with the format `"<host>[:<port>]`. - * - * Defaults to `false`. - * - * Examples: - * - * ```ts - * import { assertEquals } from "https://deno.land/std/testing/asserts.ts"; - * - * Deno.test({ - * name: "inherit", - * permissions: { - * net: "inherit", - * }, - * async fn() { - * const status = await Deno.permissions.query({ name: "net" }) - * assertEquals(status.state, "granted"); - * }, - * }); - * ``` - * - * ```ts - * import { assertEquals } from "https://deno.land/std/testing/asserts.ts"; - * - * Deno.test({ - * name: "true", - * permissions: { - * net: true, - * }, - * async fn() { - * const status = await Deno.permissions.query({ name: "net" }); - * assertEquals(status.state, "granted"); - * }, - * }); - * ``` - * - * ```ts - * import { assertEquals } from "https://deno.land/std/testing/asserts.ts"; - * - * Deno.test({ - * name: "false", - * permissions: { - * net: false, - * }, - * async fn() { - * const status = await Deno.permissions.query({ name: "net" }); - * assertEquals(status.state, "denied"); - * }, - * }); - * ``` - * - * ```ts - * import { assertEquals } from "https://deno.land/std/testing/asserts.ts"; - * - * Deno.test({ - * name: "localhost:8080", - * permissions: { - * net: ["localhost:8080"], - * }, - * async fn() { - * const status = await Deno.permissions.query({ name: "net", host: "localhost:8080" }); - * assertEquals(status.state, "granted"); - * }, - * }); - * ``` - */ - net?: "inherit" | boolean | string[]; - - /** Specifies if the `ffi` permission should be requested or revoked. - * If set to `"inherit"`, the current `ffi` permission will be inherited. - * If set to `true`, the global `ffi` permission will be requested. - * If set to `false`, the global `ffi` permission will be revoked. - * - * Defaults to `false`. - */ - ffi?: "inherit" | boolean | Array<string | URL>; - - /** Specifies if the `read` permission should be requested or revoked. - * If set to `"inherit"`, the current `read` permission will be inherited. - * If set to `true`, the global `read` permission will be requested. - * If set to `false`, the global `read` permission will be revoked. - * If set to `Array<string | URL>`, the `read` permission will be requested with the - * specified file paths. - * - * Defaults to `false`. - */ - read?: "inherit" | boolean | Array<string | URL>; - - /** Specifies if the `run` permission should be requested or revoked. - * If set to `"inherit"`, the current `run` permission will be inherited. - * If set to `true`, the global `run` permission will be requested. - * If set to `false`, the global `run` permission will be revoked. - * - * Defaults to `false`. - */ - run?: "inherit" | boolean | Array<string | URL>; - - /** Specifies if the `write` permission should be requested or revoked. - * If set to `"inherit"`, the current `write` permission will be inherited. - * If set to `true`, the global `write` permission will be requested. - * If set to `false`, the global `write` permission will be revoked. - * If set to `Array<string | URL>`, the `write` permission will be requested with the - * specified file paths. - * - * Defaults to `false`. - */ - write?: "inherit" | boolean | Array<string | URL>; - } - - /** - * Context that is passed to a testing function, which can be used to either - * gain information about the current test, or register additional test - * steps within the current test. - * - * @category Testing */ - export interface TestContext { - /** The current test name. */ - name: string; - /** The string URL of the current test. */ - origin: string; - /** If the current test is a step of another test, the parent test context - * will be set here. */ - parent?: TestContext; - - /** Run a sub step of the parent test or step. Returns a promise - * that resolves to a boolean signifying if the step completed successfully. - * - * The returned promise never rejects unless the arguments are invalid. - * - * If the test was ignored the promise returns `false`. - * - * ```ts - * Deno.test({ - * name: "a parent test", - * async fn(t) { - * console.log("before the step"); - * await t.step({ - * name: "step 1", - * fn(t) { - * console.log("current step:", t.name); - * } - * }); - * console.log("after the step"); - * } - * }); - * ``` - */ - step(definition: TestStepDefinition): Promise<boolean>; - - /** Run a sub step of the parent test or step. Returns a promise - * that resolves to a boolean signifying if the step completed successfully. - * - * The returned promise never rejects unless the arguments are invalid. - * - * If the test was ignored the promise returns `false`. - * - * ```ts - * Deno.test( - * "a parent test", - * async (t) => { - * console.log("before the step"); - * await t.step( - * "step 1", - * (t) => { - * console.log("current step:", t.name); - * } - * ); - * console.log("after the step"); - * } - * ); - * ``` - */ - step( - name: string, - fn: (t: TestContext) => void | Promise<void>, - ): Promise<boolean>; - } - - /** @category Testing */ - export interface TestStepDefinition { - /** The test function that will be tested when this step is executed. The - * function can take an argument which will provide information about the - * current step's context. */ - fn: (t: TestContext) => void | Promise<void>; - /** The name of the step. */ - name: string; - /** If truthy the current test step will be ignored. - * - * This is a quick way to skip over a step, but also can be used for - * conditional logic, like determining if an environment feature is present. - */ - ignore?: boolean; - /** Check that the number of async completed operations after the test step - * is the same as number of dispatched operations. This ensures that the - * code tested does not start async operations which it then does - * not await. This helps in preventing logic errors and memory leaks - * in the application code. - * - * Defaults to the parent test or step's value. */ - sanitizeOps?: boolean; - /** Ensure the test step does not "leak" resources - like open files or - * network connections - by ensuring the open resources at the start of the - * step match the open resources at the end of the step. - * - * Defaults to the parent test or step's value. */ - sanitizeResources?: boolean; - /** Ensure the test step does not prematurely cause the process to exit, - * for example via a call to {@linkcode Deno.exit}. - * - * Defaults to the parent test or step's value. */ - sanitizeExit?: boolean; - } - - /** @category Testing */ - export interface TestDefinition { - fn: (t: TestContext) => void | Promise<void>; - /** The name of the test. */ - name: string; - /** If truthy the current test step will be ignored. - * - * It is a quick way to skip over a step, but also can be used for - * conditional logic, like determining if an environment feature is present. - */ - ignore?: boolean; - /** If at least one test has `only` set to `true`, only run tests that have - * `only` set to `true` and fail the test suite. */ - only?: boolean; - /** Check that the number of async completed operations after the test step - * is the same as number of dispatched operations. This ensures that the - * code tested does not start async operations which it then does - * not await. This helps in preventing logic errors and memory leaks - * in the application code. - * - * Defaults to `true`. */ - sanitizeOps?: boolean; - /** Ensure the test step does not "leak" resources - like open files or - * network connections - by ensuring the open resources at the start of the - * test match the open resources at the end of the test. - * - * Defaults to `true`. */ - sanitizeResources?: boolean; - /** Ensure the test case does not prematurely cause the process to exit, - * for example via a call to {@linkcode Deno.exit}. - * - * Defaults to `true`. */ - sanitizeExit?: boolean; - /** Specifies the permissions that should be used to run the test. - * - * Set this to "inherit" to keep the calling runtime permissions, set this - * to "none" to revoke all permissions, or set a more specific set of - * permissions using a {@linkcode PermissionOptionsObject}. - * - * Defaults to `"inherit"`. */ - permissions?: PermissionOptions; - } - - /** Register a test which will be run when `deno test` is used on the command - * line and the containing module looks like a test module. - * - * `fn` can be async if required. - * - * ```ts - * import { assertEquals } from "https://deno.land/std/testing/asserts.ts"; - * - * Deno.test({ - * name: "example test", - * fn() { - * assertEquals("world", "world"); - * }, - * }); - * - * Deno.test({ - * name: "example ignored test", - * ignore: Deno.build.os === "windows", - * fn() { - * // This test is ignored only on Windows machines - * }, - * }); - * - * Deno.test({ - * name: "example async test", - * async fn() { - * const decoder = new TextDecoder("utf-8"); - * const data = await Deno.readFile("hello_world.txt"); - * assertEquals(decoder.decode(data), "Hello world"); - * } - * }); - * ``` - * - * @category Testing - */ - export function test(t: TestDefinition): void; - - /** Register a test which will be run when `deno test` is used on the command - * line and the containing module looks like a test module. - * - * `fn` can be async if required. - * - * ```ts - * import { assertEquals } from "https://deno.land/std/testing/asserts.ts"; - * - * Deno.test("My test description", () => { - * assertEquals("hello", "hello"); - * }); - * - * Deno.test("My async test description", async () => { - * const decoder = new TextDecoder("utf-8"); - * const data = await Deno.readFile("hello_world.txt"); - * assertEquals(decoder.decode(data), "Hello world"); - * }); - * ``` - * - * @category Testing - */ - export function test( - name: string, - fn: (t: TestContext) => void | Promise<void>, - ): void; - - /** Register a test which will be run when `deno test` is used on the command - * line and the containing module looks like a test module. - * - * `fn` can be async if required. Declared function must have a name. - * - * ```ts - * import { assertEquals } from "https://deno.land/std/testing/asserts.ts"; - * - * Deno.test(function myTestName() { - * assertEquals("hello", "hello"); - * }); - * - * Deno.test(async function myOtherTestName() { - * const decoder = new TextDecoder("utf-8"); - * const data = await Deno.readFile("hello_world.txt"); - * assertEquals(decoder.decode(data), "Hello world"); - * }); - * ``` - * - * @category Testing - */ - export function test(fn: (t: TestContext) => void | Promise<void>): void; - - /** Register a test which will be run when `deno test` is used on the command - * line and the containing module looks like a test module. - * - * `fn` can be async if required. - * - * ```ts - * import {assert, fail, assertEquals} from "https://deno.land/std/testing/asserts.ts"; - * - * Deno.test("My test description", { permissions: { read: true } }, (): void => { - * assertEquals("hello", "hello"); - * }); - * - * Deno.test("My async test description", { permissions: { read: false } }, async (): Promise<void> => { - * const decoder = new TextDecoder("utf-8"); - * const data = await Deno.readFile("hello_world.txt"); - * assertEquals(decoder.decode(data), "Hello world"); - * }); - * ``` - * - * @category Testing - */ - export function test( - name: string, - options: Omit<TestDefinition, "fn" | "name">, - fn: (t: TestContext) => void | Promise<void>, - ): void; - - /** Register a test which will be run when `deno test` is used on the command - * line and the containing module looks like a test module. - * - * `fn` can be async if required. - * - * ```ts - * import { assertEquals } from "https://deno.land/std/testing/asserts.ts"; - * - * Deno.test( - * { - * name: "My test description", - * permissions: { read: true }, - * }, - * () => { - * assertEquals("hello", "hello"); - * }, - * ); - * - * Deno.test( - * { - * name: "My async test description", - * permissions: { read: false }, - * }, - * async () => { - * const decoder = new TextDecoder("utf-8"); - * const data = await Deno.readFile("hello_world.txt"); - * assertEquals(decoder.decode(data), "Hello world"); - * }, - * ); - * ``` - * - * @category Testing - */ - export function test( - options: Omit<TestDefinition, "fn">, - fn: (t: TestContext) => void | Promise<void>, - ): void; - - /** Register a test which will be run when `deno test` is used on the command - * line and the containing module looks like a test module. - * - * `fn` can be async if required. Declared function must have a name. - * - * ```ts - * import { assertEquals } from "https://deno.land/std/testing/asserts.ts"; - * - * Deno.test( - * { permissions: { read: true } }, - * function myTestName() { - * assertEquals("hello", "hello"); - * }, - * ); - * - * Deno.test( - * { permissions: { read: false } }, - * async function myOtherTestName() { - * const decoder = new TextDecoder("utf-8"); - * const data = await Deno.readFile("hello_world.txt"); - * assertEquals(decoder.decode(data), "Hello world"); - * }, - * ); - * ``` - * - * @category Testing - */ - export function test( - options: Omit<TestDefinition, "fn" | "name">, - fn: (t: TestContext) => void | Promise<void>, - ): void; - - /** - * The interface for defining a benchmark test using {@linkcode Deno.bench}. - * - * @category Testing - */ - export interface BenchDefinition { - /** The test function which will be benchmarked. */ - fn: () => void | Promise<void>; - /** The name of the test, which will be used in displaying the results. */ - name: string; - /** If truthy, the benchmark test will be ignored/skipped. */ - ignore?: boolean; - /** Group name for the benchmark. - * - * Grouped benchmarks produce a group time summary, where the difference - * in performance between each test of the group is compared. */ - group?: string; - /** Benchmark should be used as the baseline for other benchmarks. - * - * If there are multiple baselines in a group, the first one is used as the - * baseline. */ - baseline?: boolean; - /** If at least one bench has `only` set to true, only run benches that have - * `only` set to `true` and fail the bench suite. */ - only?: boolean; - /** Ensure the bench case does not prematurely cause the process to exit, - * for example via a call to {@linkcode Deno.exit}. Defaults to `true`. */ - sanitizeExit?: boolean; - /** Specifies the permissions that should be used to run the bench. - * - * Set this to `"inherit"` to keep the calling thread's permissions. - * - * Set this to `"none"` to revoke all permissions. - * - * Defaults to "inherit". - */ - permissions?: PermissionOptions; - } - - /** - * Register a benchmark test which will be run when `deno bench` is used on - * the command line and the containing module looks like a bench module. - * - * If the test function (`fn`) returns a promise or is async, the test runner - * will await resolution to consider the test complete. - * - * ```ts - * import { assertEquals } from "https://deno.land/std/testing/asserts.ts"; - * - * Deno.bench({ - * name: "example test", - * fn() { - * assertEquals("world", "world"); - * }, - * }); - * - * Deno.bench({ - * name: "example ignored test", - * ignore: Deno.build.os === "windows", - * fn() { - * // This test is ignored only on Windows machines - * }, - * }); - * - * Deno.bench({ - * name: "example async test", - * async fn() { - * const decoder = new TextDecoder("utf-8"); - * const data = await Deno.readFile("hello_world.txt"); - * assertEquals(decoder.decode(data), "Hello world"); - * } - * }); - * ``` - * - * @category Testing - */ - export function bench(t: BenchDefinition): void; - - /** - * Register a benchmark test which will be run when `deno bench` is used on - * the command line and the containing module looks like a bench module. - * - * If the test function (`fn`) returns a promise or is async, the test runner - * will await resolution to consider the test complete. - * - * ```ts - * import { assertEquals } from "https://deno.land/std/testing/asserts.ts"; - * - * Deno.bench("My test description", () => { - * assertEquals("hello", "hello"); - * }); - * - * Deno.bench("My async test description", async () => { - * const decoder = new TextDecoder("utf-8"); - * const data = await Deno.readFile("hello_world.txt"); - * assertEquals(decoder.decode(data), "Hello world"); - * }); - * ``` - * - * @category Testing - */ - export function bench( - name: string, - fn: () => void | Promise<void>, - ): void; - - /** - * Register a benchmark test which will be run when `deno bench` is used on - * the command line and the containing module looks like a bench module. - * - * If the test function (`fn`) returns a promise or is async, the test runner - * will await resolution to consider the test complete. - * - * ```ts - * import { assertEquals } from "https://deno.land/std/testing/asserts.ts"; - * - * Deno.bench(function myTestName() { - * assertEquals("hello", "hello"); - * }); - * - * Deno.bench(async function myOtherTestName() { - * const decoder = new TextDecoder("utf-8"); - * const data = await Deno.readFile("hello_world.txt"); - * assertEquals(decoder.decode(data), "Hello world"); - * }); - * ``` - * - * @category Testing - */ - export function bench(fn: () => void | Promise<void>): void; - - /** - * Register a benchmark test which will be run when `deno bench` is used on - * the command line and the containing module looks like a bench module. - * - * If the test function (`fn`) returns a promise or is async, the test runner - * will await resolution to consider the test complete. - * - * ```ts - * import { assertEquals } from "https://deno.land/std/testing/asserts.ts"; - * - * Deno.bench( - * "My test description", - * { permissions: { read: true } }, - * () => { - * assertEquals("hello", "hello"); - * } - * ); - * - * Deno.bench( - * "My async test description", - * { permissions: { read: false } }, - * async () => { - * const decoder = new TextDecoder("utf-8"); - * const data = await Deno.readFile("hello_world.txt"); - * assertEquals(decoder.decode(data), "Hello world"); - * } - * ); - * ``` - * - * @category Testing - */ - export function bench( - name: string, - options: Omit<BenchDefinition, "fn" | "name">, - fn: () => void | Promise<void>, - ): void; - - /** - * Register a benchmark test which will be run when `deno bench` is used on - * the command line and the containing module looks like a bench module. - * - * If the test function (`fn`) returns a promise or is async, the test runner - * will await resolution to consider the test complete. - * - * ```ts - * import { assertEquals } from "https://deno.land/std/testing/asserts.ts"; - * - * Deno.bench( - * { name: "My test description", permissions: { read: true } }, - * () => { - * assertEquals("hello", "hello"); - * } - * ); - * - * Deno.bench( - * { name: "My async test description", permissions: { read: false } }, - * async () => { - * const decoder = new TextDecoder("utf-8"); - * const data = await Deno.readFile("hello_world.txt"); - * assertEquals(decoder.decode(data), "Hello world"); - * } - * ); - * ``` - * - * @category Testing - */ - export function bench( - options: Omit<BenchDefinition, "fn">, - fn: () => void | Promise<void>, - ): void; - - /** - * Register a benchmark test which will be run when `deno bench` is used on - * the command line and the containing module looks like a bench module. - * - * If the test function (`fn`) returns a promise or is async, the test runner - * will await resolution to consider the test complete. - * - * ```ts - * import { assertEquals } from "https://deno.land/std/testing/asserts.ts"; - * - * Deno.bench( - * { permissions: { read: true } }, - * function myTestName() { - * assertEquals("hello", "hello"); - * } - * ); - * - * Deno.bench( - * { permissions: { read: false } }, - * async function myOtherTestName() { - * const decoder = new TextDecoder("utf-8"); - * const data = await Deno.readFile("hello_world.txt"); - * assertEquals(decoder.decode(data), "Hello world"); - * } - * ); - * ``` - * - * @category Testing - */ - export function bench( - options: Omit<BenchDefinition, "fn" | "name">, - fn: () => void | Promise<void>, - ): void; - - /** Exit the Deno process with optional exit code. - * - * If no exit code is supplied then Deno will exit with return code of `0`. - * - * In worker contexts this is an alias to `self.close();`. - * - * ```ts - * Deno.exit(5); - * ``` - * - * @category Runtime Environment - */ - export function exit(code?: number): never; - - /** An interface containing methods to interact with the process environment - * variables. - * - * @tags allow-env - * @category Runtime Environment - */ - export interface Env { - /** Retrieve the value of an environment variable. - * - * Returns `undefined` if the supplied environment variable is not defined. - * - * ```ts - * console.log(Deno.env.get("HOME")); // e.g. outputs "/home/alice" - * console.log(Deno.env.get("MADE_UP_VAR")); // outputs "undefined" - * ``` - * - * Requires `allow-env` permission. - * - * @tags allow-env - */ - get(key: string): string | undefined; - - /** Set the value of an environment variable. - * - * ```ts - * Deno.env.set("SOME_VAR", "Value"); - * Deno.env.get("SOME_VAR"); // outputs "Value" - * ``` - * - * Requires `allow-env` permission. - * - * @tags allow-env - */ - set(key: string, value: string): void; - - /** Delete the value of an environment variable. - * - * ```ts - * Deno.env.set("SOME_VAR", "Value"); - * Deno.env.delete("SOME_VAR"); // outputs "undefined" - * ``` - * - * Requires `allow-env` permission. - * - * @tags allow-env - */ - delete(key: string): void; - - /** Returns a snapshot of the environment variables at invocation as a - * simple object of keys and values. - * - * ```ts - * Deno.env.set("TEST_VAR", "A"); - * const myEnv = Deno.env.toObject(); - * console.log(myEnv.SHELL); - * Deno.env.set("TEST_VAR", "B"); - * console.log(myEnv.TEST_VAR); // outputs "A" - * ``` - * - * Requires `allow-env` permission. - * - * @tags allow-env - */ - toObject(): { [index: string]: string }; - } - - /** An interface containing methods to interact with the process environment - * variables. - * - * @tags allow-env - * @category Runtime Environment - */ - export const env: Env; - - /** - * Returns the path to the current deno executable. - * - * ```ts - * console.log(Deno.execPath()); // e.g. "/home/alice/.local/bin/deno" - * ``` - * - * Requires `allow-read` permission. - * - * @tags allow-read - * @category Runtime Environment - */ - export function execPath(): string; - - /** - * Change the current working directory to the specified path. - * - * ```ts - * Deno.chdir("/home/userA"); - * Deno.chdir("../userB"); - * Deno.chdir("C:\\Program Files (x86)\\Java"); - * ``` - * - * Throws {@linkcode Deno.errors.NotFound} if directory not found. - * - * Throws {@linkcode Deno.errors.PermissionDenied} if the user does not have - * operating system file access rights. - * - * Requires `allow-read` permission. - * - * @tags allow-read - * @category Runtime Environment - */ - export function chdir(directory: string | URL): void; - - /** - * Return a string representing the current working directory. - * - * If the current directory can be reached via multiple paths (due to symbolic - * links), `cwd()` may return any one of them. - * - * ```ts - * const currentWorkingDirectory = Deno.cwd(); - * ``` - * - * Throws {@linkcode Deno.errors.NotFound} if directory not available. - * - * Requires `allow-read` permission. - * - * @tags allow-read - * @category Runtime Environment - */ - export function cwd(): string; - - /** - * Creates `newpath` as a hard link to `oldpath`. - * - * ```ts - * await Deno.link("old/name", "new/name"); - * ``` - * - * Requires `allow-read` and `allow-write` permissions. - * - * @tags allow-read, allow-write - * @category File System - */ - export function link(oldpath: string, newpath: string): Promise<void>; - - /** - * Synchronously creates `newpath` as a hard link to `oldpath`. - * - * ```ts - * Deno.linkSync("old/name", "new/name"); - * ``` - * - * Requires `allow-read` and `allow-write` permissions. - * - * @tags allow-read, allow-write - * @category File System - */ - export function linkSync(oldpath: string, newpath: string): void; - - /** - * A enum which defines the seek mode for IO related APIs that support - * seeking. - * - * @category I/O */ - export enum SeekMode { - /* Seek from the start of the file/resource. */ - Start = 0, - /* Seek from the current position within the file/resource. */ - Current = 1, - /* Seek from the end of the current file/resource. */ - End = 2, - } - - /** - * An abstract interface which when implemented provides an interface to read - * bytes into an array buffer asynchronously. - * - * @category I/O */ - export interface Reader { - /** Reads up to `p.byteLength` bytes into `p`. It resolves to the number of - * bytes read (`0` < `n` <= `p.byteLength`) and rejects if any error - * encountered. Even if `read()` resolves to `n` < `p.byteLength`, it may - * use all of `p` as scratch space during the call. If some data is - * available but not `p.byteLength` bytes, `read()` conventionally resolves - * to what is available instead of waiting for more. - * - * When `read()` encounters end-of-file condition, it resolves to EOF - * (`null`). - * - * When `read()` encounters an error, it rejects with an error. - * - * Callers should always process the `n` > `0` bytes returned before - * considering the EOF (`null`). Doing so correctly handles I/O errors that - * happen after reading some bytes and also both of the allowed EOF - * behaviors. - * - * Implementations should not retain a reference to `p`. - * - * Use - * [`itereateReader`](https://deno.land/std/streams/conversion.ts?s=iterateReader) - * from - * [`std/streams/conversion.ts`](https://deno.land/std/streams/conversion.ts) - * to turn a `Reader` into an {@linkcode AsyncIterator}. - */ - read(p: Uint8Array): Promise<number | null>; - } - - /** - * An abstract interface which when implemented provides an interface to read - * bytes into an array buffer synchronously. - * - * @category I/O */ - export interface ReaderSync { - /** Reads up to `p.byteLength` bytes into `p`. It resolves to the number - * of bytes read (`0` < `n` <= `p.byteLength`) and rejects if any error - * encountered. Even if `readSync()` returns `n` < `p.byteLength`, it may use - * all of `p` as scratch space during the call. If some data is available - * but not `p.byteLength` bytes, `readSync()` conventionally returns what is - * available instead of waiting for more. - * - * When `readSync()` encounters end-of-file condition, it returns EOF - * (`null`). - * - * When `readSync()` encounters an error, it throws with an error. - * - * Callers should always process the `n` > `0` bytes returned before - * considering the EOF (`null`). Doing so correctly handles I/O errors that - * happen after reading some bytes and also both of the allowed EOF - * behaviors. - * - * Implementations should not retain a reference to `p`. - * - * Use - * [`itereateReaderSync`](https://deno.land/std/streams/conversion.ts?s=iterateReaderSync) - * from from - * [`std/streams/conversion.ts`](https://deno.land/std/streams/conversion.ts) - * to turn a `ReaderSync` into an {@linkcode Iterator}. - */ - readSync(p: Uint8Array): number | null; - } - - /** - * An abstract interface which when implemented provides an interface to write - * bytes from an array buffer to a file/resource asynchronously. - * - * @category I/O */ - export interface Writer { - /** Writes `p.byteLength` bytes from `p` to the underlying data stream. It - * resolves to the number of bytes written from `p` (`0` <= `n` <= - * `p.byteLength`) or reject with the error encountered that caused the - * write to stop early. `write()` must reject with a non-null error if - * would resolve to `n` < `p.byteLength`. `write()` must not modify the - * slice data, even temporarily. - * - * Implementations should not retain a reference to `p`. - */ - write(p: Uint8Array): Promise<number>; - } - - /** - * An abstract interface which when implemented provides an interface to write - * bytes from an array buffer to a file/resource synchronously. - * - * @category I/O */ - export interface WriterSync { - /** Writes `p.byteLength` bytes from `p` to the underlying data - * stream. It returns the number of bytes written from `p` (`0` <= `n` - * <= `p.byteLength`) and any error encountered that caused the write to - * stop early. `writeSync()` must throw a non-null error if it returns `n` < - * `p.byteLength`. `writeSync()` must not modify the slice data, even - * temporarily. - * - * Implementations should not retain a reference to `p`. - */ - writeSync(p: Uint8Array): number; - } - - /** - * An abstract interface which when implemented provides an interface to close - * files/resources that were previously opened. - * - * @category I/O */ - export interface Closer { - /** Closes the resource, "freeing" the backing file/resource. */ - close(): void; - } - - /** - * An abstract interface which when implemented provides an interface to seek - * within an open file/resource asynchronously. - * - * @category I/O */ - export interface Seeker { - /** Seek sets the offset for the next `read()` or `write()` to offset, - * interpreted according to `whence`: `Start` means relative to the - * start of the file, `Current` means relative to the current offset, - * and `End` means relative to the end. Seek resolves to the new offset - * relative to the start of the file. - * - * Seeking to an offset before the start of the file is an error. Seeking to - * any positive offset is legal, but the behavior of subsequent I/O - * operations on the underlying object is implementation-dependent. - * - * It resolves with the updated offset. - */ - seek(offset: number, whence: SeekMode): Promise<number>; - } - - /** - * An abstract interface which when implemented provides an interface to seek - * within an open file/resource synchronously. - * - * @category I/O */ - export interface SeekerSync { - /** Seek sets the offset for the next `readSync()` or `writeSync()` to - * offset, interpreted according to `whence`: `Start` means relative - * to the start of the file, `Current` means relative to the current - * offset, and `End` means relative to the end. - * - * Seeking to an offset before the start of the file is an error. Seeking to - * any positive offset is legal, but the behavior of subsequent I/O - * operations on the underlying object is implementation-dependent. - * - * It returns the updated offset. - */ - seekSync(offset: number, whence: SeekMode): number; - } - - /** - * Copies from `src` to `dst` until either EOF (`null`) is read from `src` or - * an error occurs. It resolves to the number of bytes copied or rejects with - * the first error encountered while copying. - * - * @deprecated Use - * [`copy`](https://deno.land/std/streams/conversion.ts?s=copy) from - * [`std/streams/conversion.ts`](https://deno.land/std/streams/conversion.ts) - * instead. `Deno.copy` will be removed in the future. - * - * @category I/O - * - * @param src The source to copy from - * @param dst The destination to copy to - * @param options Can be used to tune size of the buffer. Default size is 32kB - */ - export function copy( - src: Reader, - dst: Writer, - options?: { bufSize?: number }, - ): Promise<number>; - - /** - * Turns a Reader, `r`, into an async iterator. - * - * @deprecated Use - * [`iterateReader`](https://deno.land/std/streams/conversion.ts?s=iterateReader) - * from - * [`std/streams/conversion.ts`](https://deno.land/std/streams/conversion.ts) - * instead. `Deno.iter` will be removed in the future. - * - * @category I/O - */ - export function iter( - r: Reader, - options?: { bufSize?: number }, - ): AsyncIterableIterator<Uint8Array>; - - /** - * Turns a ReaderSync, `r`, into an iterator. - * - * @deprecated Use - * [`iterateReaderSync`](https://deno.land/std/streams/conversion.ts?s=iterateReaderSync) - * from - * [`std/streams/conversion.ts`](https://deno.land/std/streams/conversion.ts) - * instead. `Deno.iterSync` will be removed in the future. - * - * @category I/O - */ - export function iterSync( - r: ReaderSync, - options?: { - bufSize?: number; - }, - ): IterableIterator<Uint8Array>; - - /** Open a file and resolve to an instance of {@linkcode Deno.FsFile}. The - * file does not need to previously exist if using the `create` or `createNew` - * open options. It is the caller's responsibility to close the file when - * finished with it. - * - * ```ts - * const file = await Deno.open("/foo/bar.txt", { read: true, write: true }); - * // Do work with file - * Deno.close(file.rid); - * ``` - * - * Requires `allow-read` and/or `allow-write` permissions depending on - * options. - * - * @tags allow-read, allow-write - * @category File System - */ - export function open( - path: string | URL, - options?: OpenOptions, - ): Promise<FsFile>; - - /** Synchronously open a file and return an instance of - * {@linkcode Deno.FsFile}. The file does not need to previously exist if - * using the `create` or `createNew` open options. It is the caller's - * responsibility to close the file when finished with it. - * - * ```ts - * const file = Deno.openSync("/foo/bar.txt", { read: true, write: true }); - * // Do work with file - * Deno.close(file.rid); - * ``` - * - * Requires `allow-read` and/or `allow-write` permissions depending on - * options. - * - * @tags allow-read, allow-write - * @category File System - */ - export function openSync(path: string | URL, options?: OpenOptions): FsFile; - - /** Creates a file if none exists or truncates an existing file and resolves to - * an instance of {@linkcode Deno.FsFile}. - * - * ```ts - * const file = await Deno.create("/foo/bar.txt"); - * ``` - * - * Requires `allow-read` and `allow-write` permissions. - * - * @tags allow-read, allow-write - * @category File System - */ - export function create(path: string | URL): Promise<FsFile>; - - /** Creates a file if none exists or truncates an existing file and returns - * an instance of {@linkcode Deno.FsFile}. - * - * ```ts - * const file = Deno.createSync("/foo/bar.txt"); - * ``` - * - * Requires `allow-read` and `allow-write` permissions. - * - * @tags allow-read, allow-write - * @category File System - */ - export function createSync(path: string | URL): FsFile; - - /** Read from a resource ID (`rid`) into an array buffer (`buffer`). - * - * Resolves to either the number of bytes read during the operation or EOF - * (`null`) if there was nothing more to read. - * - * It is possible for a read to successfully return with `0` bytes. This does - * not indicate EOF. - * - * This function is one of the lowest level APIs and most users should not - * work with this directly, but rather use - * [`readAll()`](https://deno.land/std/streams/conversion.ts?s=readAll) from - * [`std/streams/conversion.ts`](https://deno.land/std/streams/conversion.ts) - * instead. - * - * **It is not guaranteed that the full buffer will be read in a single call.** - * - * ```ts - * // if "/foo/bar.txt" contains the text "hello world": - * const file = await Deno.open("/foo/bar.txt"); - * const buf = new Uint8Array(100); - * const numberOfBytesRead = await Deno.read(file.rid, buf); // 11 bytes - * const text = new TextDecoder().decode(buf); // "hello world" - * Deno.close(file.rid); - * ``` - * - * @category I/O - */ - export function read(rid: number, buffer: Uint8Array): Promise<number | null>; - - /** Synchronously read from a resource ID (`rid`) into an array buffer - * (`buffer`). - * - * Returns either the number of bytes read during the operation or EOF - * (`null`) if there was nothing more to read. - * - * It is possible for a read to successfully return with `0` bytes. This does - * not indicate EOF. - * - * This function is one of the lowest level APIs and most users should not - * work with this directly, but rather use - * [`readAllSync()`](https://deno.land/std/streams/conversion.ts?s=readAllSync) - * from - * [`std/streams/conversion.ts`](https://deno.land/std/streams/conversion.ts) - * instead. - * - * **It is not guaranteed that the full buffer will be read in a single - * call.** - * - * ```ts - * // if "/foo/bar.txt" contains the text "hello world": - * const file = Deno.openSync("/foo/bar.txt"); - * const buf = new Uint8Array(100); - * const numberOfBytesRead = Deno.readSync(file.rid, buf); // 11 bytes - * const text = new TextDecoder().decode(buf); // "hello world" - * Deno.close(file.rid); - * ``` - * - * @category I/O - */ - export function readSync(rid: number, buffer: Uint8Array): number | null; - - /** Write to the resource ID (`rid`) the contents of the array buffer (`data`). - * - * Resolves to the number of bytes written. This function is one of the lowest - * level APIs and most users should not work with this directly, but rather use - * [`writeAll()`](https://deno.land/std/streams/conversion.ts?s=writeAll) from - * [`std/streams/conversion.ts`](https://deno.land/std/streams/conversion.ts) - * instead. - * - * **It is not guaranteed that the full buffer will be written in a single - * call.** - * - * ```ts - * const encoder = new TextEncoder(); - * const data = encoder.encode("Hello world"); - * const file = await Deno.open("/foo/bar.txt", { write: true }); - * const bytesWritten = await Deno.write(file.rid, data); // 11 - * Deno.close(file.rid); - * ``` - * - * @category I/O - */ - export function write(rid: number, data: Uint8Array): Promise<number>; - - /** Synchronously write to the resource ID (`rid`) the contents of the array - * buffer (`data`). - * - * Returns the number of bytes written. This function is one of the lowest - * level APIs and most users should not work with this directly, but rather - * use - * [`writeAllSync()`](https://deno.land/std/streams/conversion.ts?s=writeAllSync) - * from - * [`std/streams/conversion.ts`](https://deno.land/std/streams/conversion.ts) - * instead. - * - * **It is not guaranteed that the full buffer will be written in a single - * call.** - * - * ```ts - * const encoder = new TextEncoder(); - * const data = encoder.encode("Hello world"); - * const file = Deno.openSync("/foo/bar.txt", { write: true }); - * const bytesWritten = Deno.writeSync(file.rid, data); // 11 - * Deno.close(file.rid); - * ``` - * - * @category I/O - */ - export function writeSync(rid: number, data: Uint8Array): number; - - /** Seek a resource ID (`rid`) to the given `offset` under mode given by `whence`. - * The call resolves to the new position within the resource (bytes from the start). - * - * ```ts - * // Given file.rid pointing to file with "Hello world", which is 11 bytes long: - * const file = await Deno.open( - * "hello.txt", - * { read: true, write: true, truncate: true, create: true }, - * ); - * await Deno.write(file.rid, new TextEncoder().encode("Hello world")); - * - * // advance cursor 6 bytes - * const cursorPosition = await Deno.seek(file.rid, 6, Deno.SeekMode.Start); - * console.log(cursorPosition); // 6 - * const buf = new Uint8Array(100); - * await file.read(buf); - * console.log(new TextDecoder().decode(buf)); // "world" - * file.close(); - * ``` - * - * The seek modes work as follows: - * - * ```ts - * // Given file.rid pointing to file with "Hello world", which is 11 bytes long: - * const file = await Deno.open( - * "hello.txt", - * { read: true, write: true, truncate: true, create: true }, - * ); - * await Deno.write(file.rid, new TextEncoder().encode("Hello world")); - * - * // Seek 6 bytes from the start of the file - * console.log(await Deno.seek(file.rid, 6, Deno.SeekMode.Start)); // "6" - * // Seek 2 more bytes from the current position - * console.log(await Deno.seek(file.rid, 2, Deno.SeekMode.Current)); // "8" - * // Seek backwards 2 bytes from the end of the file - * console.log(await Deno.seek(file.rid, -2, Deno.SeekMode.End)); // "9" (e.g. 11-2) - * file.close(); - * ``` - * - * @category I/O - */ - export function seek( - rid: number, - offset: number, - whence: SeekMode, - ): Promise<number>; - - /** Synchronously seek a resource ID (`rid`) to the given `offset` under mode - * given by `whence`. The new position within the resource (bytes from the - * start) is returned. - * - * ```ts - * const file = Deno.openSync( - * "hello.txt", - * { read: true, write: true, truncate: true, create: true }, - * ); - * Deno.writeSync(file.rid, new TextEncoder().encode("Hello world")); - * - * // advance cursor 6 bytes - * const cursorPosition = Deno.seekSync(file.rid, 6, Deno.SeekMode.Start); - * console.log(cursorPosition); // 6 - * const buf = new Uint8Array(100); - * file.readSync(buf); - * console.log(new TextDecoder().decode(buf)); // "world" - * file.close(); - * ``` - * - * The seek modes work as follows: - * - * ```ts - * // Given file.rid pointing to file with "Hello world", which is 11 bytes long: - * const file = Deno.openSync( - * "hello.txt", - * { read: true, write: true, truncate: true, create: true }, - * ); - * Deno.writeSync(file.rid, new TextEncoder().encode("Hello world")); - * - * // Seek 6 bytes from the start of the file - * console.log(Deno.seekSync(file.rid, 6, Deno.SeekMode.Start)); // "6" - * // Seek 2 more bytes from the current position - * console.log(Deno.seekSync(file.rid, 2, Deno.SeekMode.Current)); // "8" - * // Seek backwards 2 bytes from the end of the file - * console.log(Deno.seekSync(file.rid, -2, Deno.SeekMode.End)); // "9" (e.g. 11-2) - * file.close(); - * ``` - * - * @category I/O - */ - export function seekSync( - rid: number, - offset: number, - whence: SeekMode, - ): number; - - /** - * Flushes any pending data and metadata operations of the given file stream - * to disk. - * - * ```ts - * const file = await Deno.open( - * "my_file.txt", - * { read: true, write: true, create: true }, - * ); - * await Deno.write(file.rid, new TextEncoder().encode("Hello World")); - * await Deno.ftruncate(file.rid, 1); - * await Deno.fsync(file.rid); - * console.log(new TextDecoder().decode(await Deno.readFile("my_file.txt"))); // H - * ``` - * - * @category I/O - */ - export function fsync(rid: number): Promise<void>; - - /** - * Synchronously flushes any pending data and metadata operations of the given - * file stream to disk. - * - * ```ts - * const file = Deno.openSync( - * "my_file.txt", - * { read: true, write: true, create: true }, - * ); - * Deno.writeSync(file.rid, new TextEncoder().encode("Hello World")); - * Deno.ftruncateSync(file.rid, 1); - * Deno.fsyncSync(file.rid); - * console.log(new TextDecoder().decode(Deno.readFileSync("my_file.txt"))); // H - * ``` - * - * @category I/O - */ - export function fsyncSync(rid: number): void; - - /** - * Flushes any pending data operations of the given file stream to disk. - * ```ts - * const file = await Deno.open( - * "my_file.txt", - * { read: true, write: true, create: true }, - * ); - * await Deno.write(file.rid, new TextEncoder().encode("Hello World")); - * await Deno.fdatasync(file.rid); - * console.log(new TextDecoder().decode(await Deno.readFile("my_file.txt"))); // Hello World - * ``` - * - * @category I/O - */ - export function fdatasync(rid: number): Promise<void>; - - /** - * Synchronously flushes any pending data operations of the given file stream - * to disk. - * - * ```ts - * const file = Deno.openSync( - * "my_file.txt", - * { read: true, write: true, create: true }, - * ); - * Deno.writeSync(file.rid, new TextEncoder().encode("Hello World")); - * Deno.fdatasyncSync(file.rid); - * console.log(new TextDecoder().decode(Deno.readFileSync("my_file.txt"))); // Hello World - * ``` - * - * @category I/O - */ - export function fdatasyncSync(rid: number): void; - - /** Close the given resource ID (`rid`) which has been previously opened, such - * as via opening or creating a file. Closing a file when you are finished - * with it is important to avoid leaking resources. - * - * ```ts - * const file = await Deno.open("my_file.txt"); - * // do work with "file" object - * Deno.close(file.rid); - * ``` - * - * @category I/O - */ - export function close(rid: number): void; - - /** The Deno abstraction for reading and writing files. - * - * This is the most straight forward way of handling files within Deno and is - * recommended over using the discreet functions within the `Deno` namespace. - * - * ```ts - * const file = await Deno.open("/foo/bar.txt", { read: true }); - * const fileInfo = await file.stat(); - * if (fileInfo.isFile) { - * const buf = new Uint8Array(100); - * const numberOfBytesRead = await file.read(buf); // 11 bytes - * const text = new TextDecoder().decode(buf); // "hello world" - * } - * file.close(); - * ``` - * - * @category File System - */ - export class FsFile - implements - Reader, - ReaderSync, - Writer, - WriterSync, - Seeker, - SeekerSync, - Closer { - /** The resource ID associated with the file instance. The resource ID - * should be considered an opaque reference to resource. */ - readonly rid: number; - /** A {@linkcode ReadableStream} instance representing to the byte contents - * of the file. This makes it easy to interoperate with other web streams - * based APIs. - * - * ```ts - * const file = await Deno.open("my_file.txt", { read: true }); - * const decoder = new TextDecoder(); - * for await (const chunk of file.readable) { - * console.log(decoder.decode(chunk)); - * } - * file.close(); - * ``` - */ - readonly readable: ReadableStream<Uint8Array>; - /** A {@linkcode WritableStream} instance to write the contents of the - * file. This makes it easy to interoperate with other web streams based - * APIs. - * - * ```ts - * const items = ["hello", "world"]; - * const file = await Deno.open("my_file.txt", { write: true }); - * const encoder = new TextEncoder(); - * const writer = file.writable.getWriter(); - * for (const item of items) { - * await writer.write(encoder.encode(item)); - * } - * file.close(); - * ``` - */ - readonly writable: WritableStream<Uint8Array>; - /** The constructor which takes a resource ID. Generally `FsFile` should - * not be constructed directly. Instead use {@linkcode Deno.open} or - * {@linkcode Deno.openSync} to create a new instance of `FsFile`. */ - constructor(rid: number); - /** Write the contents of the array buffer (`p`) to the file. - * - * Resolves to the number of bytes written. - * - * **It is not guaranteed that the full buffer will be written in a single - * call.** - * - * ```ts - * const encoder = new TextEncoder(); - * const data = encoder.encode("Hello world"); - * const file = await Deno.open("/foo/bar.txt", { write: true }); - * const bytesWritten = await file.write(data); // 11 - * file.close(); - * ``` - * - * @category I/O - */ - write(p: Uint8Array): Promise<number>; - /** Synchronously write the contents of the array buffer (`p`) to the file. - * - * Returns the number of bytes written. - * - * **It is not guaranteed that the full buffer will be written in a single - * call.** - * - * ```ts - * const encoder = new TextEncoder(); - * const data = encoder.encode("Hello world"); - * const file = Deno.openSync("/foo/bar.txt", { write: true }); - * const bytesWritten = file.writeSync(data); // 11 - * file.close(); - * ``` - */ - writeSync(p: Uint8Array): number; - /** Truncates (or extends) the file to reach the specified `len`. If `len` - * is not specified, then the entire file contents are truncated. - * - * ### Truncate the entire file - * - * ```ts - * const file = await Deno.open("my_file.txt", { write: true }); - * await file.truncate(); - * file.close(); - * ``` - * - * ### Truncate part of the file - * - * ```ts - * // if "my_file.txt" contains the text "hello world": - * const file = await Deno.open("my_file.txt", { write: true }); - * await file.truncate(7); - * const buf = new Uint8Array(100); - * await file.read(buf); - * const text = new TextDecoder().decode(buf); // "hello w" - * file.close(); - * ``` - */ - truncate(len?: number): Promise<void>; - /** Synchronously truncates (or extends) the file to reach the specified - * `len`. If `len` is not specified, then the entire file contents are - * truncated. - * - * ### Truncate the entire file - * - * ```ts - * const file = Deno.openSync("my_file.txt", { write: true }); - * file.truncateSync(); - * file.close(); - * ``` - * - * ### Truncate part of the file - * - * ```ts - * // if "my_file.txt" contains the text "hello world": - * const file = Deno.openSync("my_file.txt", { write: true }); - * file.truncateSync(7); - * const buf = new Uint8Array(100); - * file.readSync(buf); - * const text = new TextDecoder().decode(buf); // "hello w" - * file.close(); - * ``` - */ - truncateSync(len?: number): void; - /** Read the file into an array buffer (`p`). - * - * Resolves to either the number of bytes read during the operation or EOF - * (`null`) if there was nothing more to read. - * - * It is possible for a read to successfully return with `0` bytes. This - * does not indicate EOF. - * - * **It is not guaranteed that the full buffer will be read in a single - * call.** - * - * ```ts - * // if "/foo/bar.txt" contains the text "hello world": - * const file = await Deno.open("/foo/bar.txt"); - * const buf = new Uint8Array(100); - * const numberOfBytesRead = await file.read(buf); // 11 bytes - * const text = new TextDecoder().decode(buf); // "hello world" - * file.close(); - * ``` - */ - read(p: Uint8Array): Promise<number | null>; - /** Synchronously read from the file into an array buffer (`p`). - * - * Returns either the number of bytes read during the operation or EOF - * (`null`) if there was nothing more to read. - * - * It is possible for a read to successfully return with `0` bytes. This - * does not indicate EOF. - * - * **It is not guaranteed that the full buffer will be read in a single - * call.** - * - * ```ts - * // if "/foo/bar.txt" contains the text "hello world": - * const file = Deno.openSync("/foo/bar.txt"); - * const buf = new Uint8Array(100); - * const numberOfBytesRead = file.readSync(buf); // 11 bytes - * const text = new TextDecoder().decode(buf); // "hello world" - * file.close(); - * ``` - */ - readSync(p: Uint8Array): number | null; - /** Seek to the given `offset` under mode given by `whence`. The call - * resolves to the new position within the resource (bytes from the start). - * - * ```ts - * // Given file pointing to file with "Hello world", which is 11 bytes long: - * const file = await Deno.open( - * "hello.txt", - * { read: true, write: true, truncate: true, create: true }, - * ); - * await file.write(new TextEncoder().encode("Hello world")); - * - * // advance cursor 6 bytes - * const cursorPosition = await file.seek(6, Deno.SeekMode.Start); - * console.log(cursorPosition); // 6 - * const buf = new Uint8Array(100); - * await file.read(buf); - * console.log(new TextDecoder().decode(buf)); // "world" - * file.close(); - * ``` - * - * The seek modes work as follows: - * - * ```ts - * // Given file.rid pointing to file with "Hello world", which is 11 bytes long: - * const file = await Deno.open( - * "hello.txt", - * { read: true, write: true, truncate: true, create: true }, - * ); - * await file.write(new TextEncoder().encode("Hello world")); - * - * // Seek 6 bytes from the start of the file - * console.log(await file.seek(6, Deno.SeekMode.Start)); // "6" - * // Seek 2 more bytes from the current position - * console.log(await file.seek(2, Deno.SeekMode.Current)); // "8" - * // Seek backwards 2 bytes from the end of the file - * console.log(await file.seek(-2, Deno.SeekMode.End)); // "9" (e.g. 11-2) - * ``` - */ - seek(offset: number, whence: SeekMode): Promise<number>; - /** Synchronously seek to the given `offset` under mode given by `whence`. - * The new position within the resource (bytes from the start) is returned. - * - * ```ts - * const file = Deno.openSync( - * "hello.txt", - * { read: true, write: true, truncate: true, create: true }, - * ); - * file.writeSync(new TextEncoder().encode("Hello world")); - * - * // advance cursor 6 bytes - * const cursorPosition = file.seekSync(6, Deno.SeekMode.Start); - * console.log(cursorPosition); // 6 - * const buf = new Uint8Array(100); - * file.readSync(buf); - * console.log(new TextDecoder().decode(buf)); // "world" - * file.close(); - * ``` - * - * The seek modes work as follows: - * - * ```ts - * // Given file.rid pointing to file with "Hello world", which is 11 bytes long: - * const file = Deno.openSync( - * "hello.txt", - * { read: true, write: true, truncate: true, create: true }, - * ); - * file.writeSync(new TextEncoder().encode("Hello world")); - * - * // Seek 6 bytes from the start of the file - * console.log(file.seekSync(6, Deno.SeekMode.Start)); // "6" - * // Seek 2 more bytes from the current position - * console.log(file.seekSync(2, Deno.SeekMode.Current)); // "8" - * // Seek backwards 2 bytes from the end of the file - * console.log(file.seekSync(-2, Deno.SeekMode.End)); // "9" (e.g. 11-2) - * file.close(); - * ``` - */ - seekSync(offset: number, whence: SeekMode): number; - /** Resolves to a {@linkcode Deno.FileInfo} for the file. - * - * ```ts - * import { assert } from "https://deno.land/std/testing/asserts.ts"; - * - * const file = await Deno.open("hello.txt"); - * const fileInfo = await file.stat(); - * assert(fileInfo.isFile); - * file.close(); - * ``` - */ - stat(): Promise<FileInfo>; - /** Synchronously returns a {@linkcode Deno.FileInfo} for the file. - * - * ```ts - * import { assert } from "https://deno.land/std/testing/asserts.ts"; - * - * const file = Deno.openSync("hello.txt") - * const fileInfo = file.statSync(); - * assert(fileInfo.isFile); - * file.close(); - * ``` - */ - statSync(): FileInfo; - /** Close the file. Closing a file when you are finished with it is - * important to avoid leaking resources. - * - * ```ts - * const file = await Deno.open("my_file.txt"); - * // do work with "file" object - * file.close(); - * ``` - */ - close(): void; - } - - /** - * The Deno abstraction for reading and writing files. - * - * @deprecated Use {@linkcode Deno.FsFile} instead. `Deno.File` will be - * removed in the future. - * @category File System - */ - export const File: typeof FsFile; - - /** Gets the size of the console as columns/rows. - * - * ```ts - * const { columns, rows } = Deno.consoleSize(); - * ``` - * - * @category I/O - */ - export function consoleSize(): { - columns: number; - rows: number; - }; - - /** @category I/O */ - export interface SetRawOptions { - /** - * The `cbreak` option can be used to indicate that characters that - * correspond to a signal should still be generated. When disabling raw - * mode, this option is ignored. This functionality currently only works on - * Linux and Mac OS. - */ - cbreak: boolean; - } - - /** A reference to `stdin` which can be used to read directly from `stdin`. - * It implements the Deno specific {@linkcode Reader}, {@linkcode ReaderSync}, - * and {@linkcode Closer} interfaces as well as provides a - * {@linkcode ReadableStream} interface. - * - * ### Reading chunks from the readable stream - * - * ```ts - * const decoder = new TextDecoder(); - * for await (const chunk of Deno.stdin.readable) { - * const text = decoder.decode(chunk); - * // do something with the text - * } - * ``` - * - * @category I/O - */ - export const stdin: Reader & ReaderSync & Closer & { - /** The resource ID assigned to `stdin`. This can be used with the discreet - * I/O functions in the `Deno` namespace. */ - readonly rid: number; - /** A readable stream interface to `stdin`. */ - readonly readable: ReadableStream<Uint8Array>; - /** - * Set TTY to be under raw mode or not. In raw mode, characters are read and - * returned as is, without being processed. All special processing of - * characters by the terminal is disabled, including echoing input - * characters. Reading from a TTY device in raw mode is faster than reading - * from a TTY device in canonical mode. - * - * ```ts - * Deno.stdin.setRaw(true, { cbreak: true }); - * ``` - * - * @category I/O - */ - setRaw(mode: boolean, options?: SetRawOptions): void; - }; - /** A reference to `stdout` which can be used to write directly to `stdout`. - * It implements the Deno specific {@linkcode Writer}, {@linkcode WriterSync}, - * and {@linkcode Closer} interfaces as well as provides a - * {@linkcode WritableStream} interface. - * - * These are low level constructs, and the {@linkcode console} interface is a - * more straight forward way to interact with `stdout` and `stderr`. - * - * @category I/O - */ - export const stdout: Writer & WriterSync & Closer & { - /** The resource ID assigned to `stdout`. This can be used with the discreet - * I/O functions in the `Deno` namespace. */ - readonly rid: number; - /** A writable stream interface to `stdout`. */ - readonly writable: WritableStream<Uint8Array>; - }; - /** A reference to `stderr` which can be used to write directly to `stderr`. - * It implements the Deno specific {@linkcode Writer}, {@linkcode WriterSync}, - * and {@linkcode Closer} interfaces as well as provides a - * {@linkcode WritableStream} interface. - * - * These are low level constructs, and the {@linkcode console} interface is a - * more straight forward way to interact with `stdout` and `stderr`. - * - * @category I/O - */ - export const stderr: Writer & WriterSync & Closer & { - /** The resource ID assigned to `stderr`. This can be used with the discreet - * I/O functions in the `Deno` namespace. */ - readonly rid: number; - /** A writable stream interface to `stderr`. */ - readonly writable: WritableStream<Uint8Array>; - }; - - /** - * Options which can be set when doing {@linkcode Deno.open} and - * {@linkcode Deno.openSync}. - * - * @category File System */ - export interface OpenOptions { - /** Defaults to `true`. Sets the option for read access. This option, when `true`, means that - * the file should be read-able if opened. */ - read?: boolean; - /** Defaults to `false`. Sets the option for write access. This option, when `true`, means that - * the file should be write-able if opened. If the file already exists, - * any write calls on it will overwrite its contents, by default without - * truncating it. */ - write?: boolean; - /** Defaults to `false`. Sets the option for the append mode. This option, when `true`, means - * that writes will append to a file instead of overwriting previous - * contents. - * - * Note that setting `{ write: true, append: true }` has the same effect as - * setting only `{ append: true }`. */ - append?: boolean; - /** Defaults to `false`. Sets the option for truncating a previous file. If a file is - * successfully opened with this option set it will truncate the file to `0` - * size if it already exists. The file must be opened with write access - * for truncate to work. */ - truncate?: boolean; - /** Defaults to `false`. Sets the option to allow creating a new file, if one doesn't already - * exist at the specified path. Requires write or append access to be - * used. */ - create?: boolean; - /** Defaults to `false`. If set to `true`, no file, directory, or symlink is - * allowed to exist at the target location. Requires write or append - * access to be used. When createNew is set to `true`, create and truncate - * are ignored. */ - createNew?: boolean; - /** Permissions to use if creating the file (defaults to `0o666`, before - * the process's umask). - * - * Ignored on Windows. */ - mode?: number; - } - - /** - * Options which can be set when using {@linkcode Deno.readFile} or - * {@linkcode Deno.readFileSync}. - * - * @category File System */ - export interface ReadFileOptions { - /** - * An abort signal to allow cancellation of the file read operation. - * If the signal becomes aborted the readFile operation will be stopped - * and the promise returned will be rejected with an AbortError. - */ - signal?: AbortSignal; - } - - /** - * Check if a given resource id (`rid`) is a TTY (a terminal). - * - * ```ts - * // This example is system and context specific - * const nonTTYRid = Deno.openSync("my_file.txt").rid; - * const ttyRid = Deno.openSync("/dev/tty6").rid; - * console.log(Deno.isatty(nonTTYRid)); // false - * console.log(Deno.isatty(ttyRid)); // true - * Deno.close(nonTTYRid); - * Deno.close(ttyRid); - * ``` - * - * @category I/O - */ - export function isatty(rid: number): boolean; - - /** - * A variable-sized buffer of bytes with `read()` and `write()` methods. - * - * @deprecated Use [`Buffer`](https://deno.land/std/io/buffer.ts?s=Buffer) - * from [`std/io/buffer.ts`](https://deno.land/std/io/buffer.ts) instead. - * `Deno.Buffer` will be removed in the future. - * - * @category I/O - */ - export class Buffer implements Reader, ReaderSync, Writer, WriterSync { - constructor(ab?: ArrayBuffer); - /** Returns a slice holding the unread portion of the buffer. - * - * The slice is valid for use only until the next buffer modification (that - * is, only until the next call to a method like `read()`, `write()`, - * `reset()`, or `truncate()`). If `options.copy` is false the slice aliases the buffer content at - * least until the next buffer modification, so immediate changes to the - * slice will affect the result of future reads. - * @param options Defaults to `{ copy: true }` - */ - bytes(options?: { copy?: boolean }): Uint8Array; - /** Returns whether the unread portion of the buffer is empty. */ - empty(): boolean; - /** A read only number of bytes of the unread portion of the buffer. */ - readonly length: number; - /** The read only capacity of the buffer's underlying byte slice, that is, - * the total space allocated for the buffer's data. */ - readonly capacity: number; - /** Discards all but the first `n` unread bytes from the buffer but - * continues to use the same allocated storage. It throws if `n` is - * negative or greater than the length of the buffer. */ - truncate(n: number): void; - /** Resets the buffer to be empty, but it retains the underlying storage for - * use by future writes. `.reset()` is the same as `.truncate(0)`. */ - reset(): void; - /** Reads the next `p.length` bytes from the buffer or until the buffer is - * drained. Returns the number of bytes read. If the buffer has no data to - * return, the return is EOF (`null`). */ - readSync(p: Uint8Array): number | null; - /** Reads the next `p.length` bytes from the buffer or until the buffer is - * drained. Resolves to the number of bytes read. If the buffer has no - * data to return, resolves to EOF (`null`). - * - * NOTE: This methods reads bytes synchronously; it's provided for - * compatibility with `Reader` interfaces. - */ - read(p: Uint8Array): Promise<number | null>; - writeSync(p: Uint8Array): number; - /** NOTE: This methods writes bytes synchronously; it's provided for - * compatibility with `Writer` interface. */ - write(p: Uint8Array): Promise<number>; - /** Grows the buffer's capacity, if necessary, to guarantee space for - * another `n` bytes. After `.grow(n)`, at least `n` bytes can be written to - * the buffer without another allocation. If `n` is negative, `.grow()` will - * throw. If the buffer can't grow it will throw an error. - * - * Based on Go Lang's - * [Buffer.Grow](https://golang.org/pkg/bytes/#Buffer.Grow). */ - grow(n: number): void; - /** Reads data from `r` until EOF (`null`) and appends it to the buffer, - * growing the buffer as needed. It resolves to the number of bytes read. - * If the buffer becomes too large, `.readFrom()` will reject with an error. - * - * Based on Go Lang's - * [Buffer.ReadFrom](https://golang.org/pkg/bytes/#Buffer.ReadFrom). */ - readFrom(r: Reader): Promise<number>; - /** Reads data from `r` until EOF (`null`) and appends it to the buffer, - * growing the buffer as needed. It returns the number of bytes read. If the - * buffer becomes too large, `.readFromSync()` will throw an error. - * - * Based on Go Lang's - * [Buffer.ReadFrom](https://golang.org/pkg/bytes/#Buffer.ReadFrom). */ - readFromSync(r: ReaderSync): number; - } - - /** - * Read Reader `r` until EOF (`null`) and resolve to the content as - * Uint8Array`. - * - * @deprecated Use - * [`readAll`](https://deno.land/std/streams/conversion.ts?s=readAll) from - * [`std/streams/conversion.ts`](https://deno.land/std/streams/conversion.ts) - * instead. `Deno.readAll` will be removed in the future. - * - * @category I/O - */ - export function readAll(r: Reader): Promise<Uint8Array>; - - /** - * Synchronously reads Reader `r` until EOF (`null`) and returns the content - * as `Uint8Array`. - * - * @deprecated Use - * [`readAllSync`](https://deno.land/std/streams/conversion.ts?s=readAllSync) - * from - * [`std/streams/conversion.ts`](https://deno.land/std/streams/conversion.ts) - * instead. `Deno.readAllSync` will be removed in the future. - * - * @category I/O - */ - export function readAllSync(r: ReaderSync): Uint8Array; - - /** - * Write all the content of the array buffer (`arr`) to the writer (`w`). - * - * @deprecated Use - * [`writeAll`](https://deno.land/std/streams/conversion.ts?s=writeAll) from - * [`std/streams/conversion.ts`](https://deno.land/std/streams/conversion.ts) - * instead. `Deno.writeAll` will be removed in the future. - * - * @category I/O - */ - export function writeAll(w: Writer, arr: Uint8Array): Promise<void>; - - /** - * Synchronously write all the content of the array buffer (`arr`) to the - * writer (`w`). - * - * @deprecated Use - * [`writeAllSync`](https://deno.land/std/streams/conversion.ts?s=writeAllSync) - * from - * [`std/streams/conversion.ts`](https://deno.land/std/streams/conversion.ts) - * instead. `Deno.writeAllSync` will be removed in the future. - * - * @category I/O - */ - export function writeAllSync(w: WriterSync, arr: Uint8Array): void; - - /** - * Options which can be set when using {@linkcode Deno.mkdir} and - * {@linkcode Deno.mkdirSync}. - * - * @category File System */ - export interface MkdirOptions { - /** Defaults to `false`. If set to `true`, means that any intermediate - * directories will also be created (as with the shell command `mkdir -p`). - * - * Intermediate directories are created with the same permissions. - * - * When recursive is set to `true`, succeeds silently (without changing any - * permissions) if a directory already exists at the path, or if the path - * is a symlink to an existing directory. */ - recursive?: boolean; - /** Permissions to use when creating the directory (defaults to `0o777`, - * before the process's umask). - * - * Ignored on Windows. */ - mode?: number; - } - - /** Creates a new directory with the specified path. - * - * ```ts - * await Deno.mkdir("new_dir"); - * await Deno.mkdir("nested/directories", { recursive: true }); - * await Deno.mkdir("restricted_access_dir", { mode: 0o700 }); - * ``` - * - * Defaults to throwing error if the directory already exists. - * - * Requires `allow-write` permission. - * - * @tags allow-write - * @category File System - */ - export function mkdir( - path: string | URL, - options?: MkdirOptions, - ): Promise<void>; - - /** Synchronously creates a new directory with the specified path. - * - * ```ts - * Deno.mkdirSync("new_dir"); - * Deno.mkdirSync("nested/directories", { recursive: true }); - * Deno.mkdirSync("restricted_access_dir", { mode: 0o700 }); - * ``` - * - * Defaults to throwing error if the directory already exists. - * - * Requires `allow-write` permission. - * - * @tags allow-write - * @category File System - */ - export function mkdirSync(path: string | URL, options?: MkdirOptions): void; - - /** - * Options which can be set when using {@linkcode Deno.makeTempDir}, - * {@linkcode Deno.makeTempDirSync}, {@linkcode Deno.makeTempFile}, and - * {@linkcode Deno.makeTempFileSync}. - * - * @category File System */ - export interface MakeTempOptions { - /** Directory where the temporary directory should be created (defaults to - * the env variable `TMPDIR`, or the system's default, usually `/tmp`). - * - * Note that if the passed `dir` is relative, the path returned by - * `makeTempFile()` and `makeTempDir()` will also be relative. Be mindful of - * this when changing working directory. */ - dir?: string; - /** String that should precede the random portion of the temporary - * directory's name. */ - prefix?: string; - /** String that should follow the random portion of the temporary - * directory's name. */ - suffix?: string; - } - - /** Creates a new temporary directory in the default directory for temporary - * files, unless `dir` is specified. Other optional options include - * prefixing and suffixing the directory name with `prefix` and `suffix` - * respectively. - * - * This call resolves to the full path to the newly created directory. - * - * Multiple programs calling this function simultaneously will create different - * directories. It is the caller's responsibility to remove the directory when - * no longer needed. - * - * ```ts - * const tempDirName0 = await Deno.makeTempDir(); // e.g. /tmp/2894ea76 - * const tempDirName1 = await Deno.makeTempDir({ prefix: 'my_temp' }); // e.g. /tmp/my_temp339c944d - * ``` - * - * Requires `allow-write` permission. - * - * @tags allow-write - * @category File System - */ - // TODO(ry) Doesn't check permissions. - export function makeTempDir(options?: MakeTempOptions): Promise<string>; - - /** Synchronously creates a new temporary directory in the default directory - * for temporary files, unless `dir` is specified. Other optional options - * include prefixing and suffixing the directory name with `prefix` and - * `suffix` respectively. - * - * The full path to the newly created directory is returned. - * - * Multiple programs calling this function simultaneously will create different - * directories. It is the caller's responsibility to remove the directory when - * no longer needed. - * - * ```ts - * const tempDirName0 = Deno.makeTempDirSync(); // e.g. /tmp/2894ea76 - * const tempDirName1 = Deno.makeTempDirSync({ prefix: 'my_temp' }); // e.g. /tmp/my_temp339c944d - * ``` - * - * Requires `allow-write` permission. - * - * @tags allow-write - * @category File System - */ - // TODO(ry) Doesn't check permissions. - export function makeTempDirSync(options?: MakeTempOptions): string; - - /** Creates a new temporary file in the default directory for temporary - * files, unless `dir` is specified. - * - * Other options include prefixing and suffixing the directory name with - * `prefix` and `suffix` respectively. - * - * This call resolves to the full path to the newly created file. - * - * Multiple programs calling this function simultaneously will create - * different files. It is the caller's responsibility to remove the file when - * no longer needed. - * - * ```ts - * const tmpFileName0 = await Deno.makeTempFile(); // e.g. /tmp/419e0bf2 - * const tmpFileName1 = await Deno.makeTempFile({ prefix: 'my_temp' }); // e.g. /tmp/my_temp754d3098 - * ``` - * - * Requires `allow-write` permission. - * - * @tags allow-write - * @category File System - */ - export function makeTempFile(options?: MakeTempOptions): Promise<string>; - - /** Synchronously creates a new temporary file in the default directory for - * temporary files, unless `dir` is specified. - * - * Other options include prefixing and suffixing the directory name with - * `prefix` and `suffix` respectively. - * - * The full path to the newly created file is returned. - * - * Multiple programs calling this function simultaneously will create - * different files. It is the caller's responsibility to remove the file when - * no longer needed. - * - * ```ts - * const tempFileName0 = Deno.makeTempFileSync(); // e.g. /tmp/419e0bf2 - * const tempFileName1 = Deno.makeTempFileSync({ prefix: 'my_temp' }); // e.g. /tmp/my_temp754d3098 - * ``` - * - * Requires `allow-write` permission. - * - * @tags allow-write - * @category File System - */ - export function makeTempFileSync(options?: MakeTempOptions): string; - - /** Changes the permission of a specific file/directory of specified path. - * Ignores the process's umask. - * - * ```ts - * await Deno.chmod("/path/to/file", 0o666); - * ``` - * - * The mode is a sequence of 3 octal numbers. The first/left-most number - * specifies the permissions for the owner. The second number specifies the - * permissions for the group. The last/right-most number specifies the - * permissions for others. For example, with a mode of 0o764, the owner (7) - * can read/write/execute, the group (6) can read/write and everyone else (4) - * can read only. - * - * | Number | Description | - * | ------ | ----------- | - * | 7 | read, write, and execute | - * | 6 | read and write | - * | 5 | read and execute | - * | 4 | read only | - * | 3 | write and execute | - * | 2 | write only | - * | 1 | execute only | - * | 0 | no permission | - * - * NOTE: This API currently throws on Windows - * - * Requires `allow-write` permission. - * - * @tags allow-write - * @category File System - */ - export function chmod(path: string | URL, mode: number): Promise<void>; - - /** Synchronously changes the permission of a specific file/directory of - * specified path. Ignores the process's umask. - * - * ```ts - * Deno.chmodSync("/path/to/file", 0o666); - * ``` - * - * For a full description, see {@linkcode Deno.chmod}. - * - * NOTE: This API currently throws on Windows - * - * Requires `allow-write` permission. - * - * @tags allow-write - * @category File System - */ - export function chmodSync(path: string | URL, mode: number): void; - - /** Change owner of a regular file or directory. - * - * This functionality is not available on Windows. - * - * ```ts - * await Deno.chown("myFile.txt", 1000, 1002); - * ``` - * - * Requires `allow-write` permission. - * - * Throws Error (not implemented) if executed on Windows. - * - * @tags allow-write - * @category File System - * - * @param path path to the file - * @param uid user id (UID) of the new owner, or `null` for no change - * @param gid group id (GID) of the new owner, or `null` for no change - */ - export function chown( - path: string | URL, - uid: number | null, - gid: number | null, - ): Promise<void>; - - /** Synchronously change owner of a regular file or directory. - * - * This functionality is not available on Windows. - * - * ```ts - * Deno.chownSync("myFile.txt", 1000, 1002); - * ``` - * - * Requires `allow-write` permission. - * - * Throws Error (not implemented) if executed on Windows. - * - * @tags allow-write - * @category File System - * - * @param path path to the file - * @param uid user id (UID) of the new owner, or `null` for no change - * @param gid group id (GID) of the new owner, or `null` for no change - */ - export function chownSync( - path: string | URL, - uid: number | null, - gid: number | null, - ): void; - - /** - * Options which can be set when using {@linkcode Deno.remove} and - * {@linkcode Deno.removeSync}. - * - * @category File System */ - export interface RemoveOptions { - /** Defaults to `false`. If set to `true`, path will be removed even if - * it's a non-empty directory. */ - recursive?: boolean; - } - - /** Removes the named file or directory. - * - * ```ts - * await Deno.remove("/path/to/empty_dir/or/file"); - * await Deno.remove("/path/to/populated_dir/or/file", { recursive: true }); - * ``` - * - * Throws error if permission denied, path not found, or path is a non-empty - * directory and the `recursive` option isn't set to `true`. - * - * Requires `allow-write` permission. - * - * @tags allow-write - * @category File System - */ - export function remove( - path: string | URL, - options?: RemoveOptions, - ): Promise<void>; - - /** Synchronously removes the named file or directory. - * - * ```ts - * Deno.removeSync("/path/to/empty_dir/or/file"); - * Deno.removeSync("/path/to/populated_dir/or/file", { recursive: true }); - * ``` - * - * Throws error if permission denied, path not found, or path is a non-empty - * directory and the `recursive` option isn't set to `true`. - * - * Requires `allow-write` permission. - * - * @tags allow-write - * @category File System - */ - export function removeSync(path: string | URL, options?: RemoveOptions): void; - - /** Synchronously renames (moves) `oldpath` to `newpath`. Paths may be files or - * directories. If `newpath` already exists and is not a directory, - * `renameSync()` replaces it. OS-specific restrictions may apply when - * `oldpath` and `newpath` are in different directories. - * - * ```ts - * Deno.renameSync("old/path", "new/path"); - * ``` - * - * On Unix-like OSes, this operation does not follow symlinks at either path. - * - * It varies between platforms when the operation throws errors, and if so what - * they are. It's always an error to rename anything to a non-empty directory. - * - * Requires `allow-read` and `allow-write` permissions. - * - * @tags allow-read, allow-write - * @category File System - */ - export function renameSync( - oldpath: string | URL, - newpath: string | URL, - ): void; - - /** Renames (moves) `oldpath` to `newpath`. Paths may be files or directories. - * If `newpath` already exists and is not a directory, `rename()` replaces it. - * OS-specific restrictions may apply when `oldpath` and `newpath` are in - * different directories. - * - * ```ts - * await Deno.rename("old/path", "new/path"); - * ``` - * - * On Unix-like OSes, this operation does not follow symlinks at either path. - * - * It varies between platforms when the operation throws errors, and if so - * what they are. It's always an error to rename anything to a non-empty - * directory. - * - * Requires `allow-read` and `allow-write` permissions. - * - * @tags allow-read, allow-write - * @category File System - */ - export function rename( - oldpath: string | URL, - newpath: string | URL, - ): Promise<void>; - - /** Asynchronously reads and returns the entire contents of a file as an UTF-8 - * decoded string. Reading a directory throws an error. - * - * ```ts - * const data = await Deno.readTextFile("hello.txt"); - * console.log(data); - * ``` - * - * Requires `allow-read` permission. - * - * @tags allow-read - * @category File System - */ - export function readTextFile( - path: string | URL, - options?: ReadFileOptions, - ): Promise<string>; - - /** Synchronously reads and returns the entire contents of a file as an UTF-8 - * decoded string. Reading a directory throws an error. - * - * ```ts - * const data = Deno.readTextFileSync("hello.txt"); - * console.log(data); - * ``` - * - * Requires `allow-read` permission. - * - * @tags allow-read - * @category File System - */ - export function readTextFileSync(path: string | URL): string; - - /** Reads and resolves to the entire contents of a file as an array of bytes. - * `TextDecoder` can be used to transform the bytes to string if required. - * Reading a directory returns an empty data array. - * - * ```ts - * const decoder = new TextDecoder("utf-8"); - * const data = await Deno.readFile("hello.txt"); - * console.log(decoder.decode(data)); - * ``` - * - * Requires `allow-read` permission. - * - * @tags allow-read - * @category File System - */ - export function readFile( - path: string | URL, - options?: ReadFileOptions, - ): Promise<Uint8Array>; - - /** Synchronously reads and returns the entire contents of a file as an array - * of bytes. `TextDecoder` can be used to transform the bytes to string if - * required. Reading a directory returns an empty data array. - * - * ```ts - * const decoder = new TextDecoder("utf-8"); - * const data = Deno.readFileSync("hello.txt"); - * console.log(decoder.decode(data)); - * ``` - * - * Requires `allow-read` permission. - * - * @tags allow-read - * @category File System - */ - export function readFileSync(path: string | URL): Uint8Array; - - /** Provides information about a file and is returned by - * {@linkcode Deno.stat}, {@linkcode Deno.lstat}, {@linkcode Deno.statSync}, - * and {@linkcode Deno.lstatSync} or from calling `stat()` and `statSync()` - * on an {@linkcode Deno.FsFile} instance. - * - * @category File System - */ - export interface FileInfo { - /** True if this is info for a regular file. Mutually exclusive to - * `FileInfo.isDirectory` and `FileInfo.isSymlink`. */ - isFile: boolean; - /** True if this is info for a regular directory. Mutually exclusive to - * `FileInfo.isFile` and `FileInfo.isSymlink`. */ - isDirectory: boolean; - /** True if this is info for a symlink. Mutually exclusive to - * `FileInfo.isFile` and `FileInfo.isDirectory`. */ - isSymlink: boolean; - /** The size of the file, in bytes. */ - size: number; - /** The last modification time of the file. This corresponds to the `mtime` - * field from `stat` on Linux/Mac OS and `ftLastWriteTime` on Windows. This - * may not be available on all platforms. */ - mtime: Date | null; - /** The last access time of the file. This corresponds to the `atime` - * field from `stat` on Unix and `ftLastAccessTime` on Windows. This may not - * be available on all platforms. */ - atime: Date | null; - /** The creation time of the file. This corresponds to the `birthtime` - * field from `stat` on Mac/BSD and `ftCreationTime` on Windows. This may - * not be available on all platforms. */ - birthtime: Date | null; - /** ID of the device containing the file. - * - * _Linux/Mac OS only._ */ - dev: number | null; - /** Inode number. - * - * _Linux/Mac OS only._ */ - ino: number | null; - /** **UNSTABLE**: Match behavior with Go on Windows for `mode`. - * - * The underlying raw `st_mode` bits that contain the standard Unix - * permissions for this file/directory. */ - mode: number | null; - /** Number of hard links pointing to this file. - * - * _Linux/Mac OS only._ */ - nlink: number | null; - /** User ID of the owner of this file. - * - * _Linux/Mac OS only._ */ - uid: number | null; - /** Group ID of the owner of this file. - * - * _Linux/Mac OS only._ */ - gid: number | null; - /** Device ID of this file. - * - * _Linux/Mac OS only._ */ - rdev: number | null; - /** Blocksize for filesystem I/O. - * - * _Linux/Mac OS only._ */ - blksize: number | null; - /** Number of blocks allocated to the file, in 512-byte units. - * - * _Linux/Mac OS only._ */ - blocks: number | null; - } - - /** Resolves to the absolute normalized path, with symbolic links resolved. - * - * ```ts - * // e.g. given /home/alice/file.txt and current directory /home/alice - * await Deno.symlink("file.txt", "symlink_file.txt"); - * const realPath = await Deno.realPath("./file.txt"); - * const realSymLinkPath = await Deno.realPath("./symlink_file.txt"); - * console.log(realPath); // outputs "/home/alice/file.txt" - * console.log(realSymLinkPath); // outputs "/home/alice/file.txt" - * ``` - * - * Requires `allow-read` permission for the target path. - * - * Also requires `allow-read` permission for the `CWD` if the target path is - * relative. - * - * @tags allow-read - * @category File System - */ - export function realPath(path: string | URL): Promise<string>; - - /** Synchronously returns absolute normalized path, with symbolic links - * resolved. - * - * ```ts - * // e.g. given /home/alice/file.txt and current directory /home/alice - * Deno.symlinkSync("file.txt", "symlink_file.txt"); - * const realPath = Deno.realPathSync("./file.txt"); - * const realSymLinkPath = Deno.realPathSync("./symlink_file.txt"); - * console.log(realPath); // outputs "/home/alice/file.txt" - * console.log(realSymLinkPath); // outputs "/home/alice/file.txt" - * ``` - * - * Requires `allow-read` permission for the target path. - * - * Also requires `allow-read` permission for the `CWD` if the target path is - * relative. - * - * @tags allow-read - * @category File System - */ - export function realPathSync(path: string | URL): string; - - /** - * Information about a directory entry returned from {@linkcode Deno.readDir} - * and {@linkcode Deno.readDirSync}. - * - * @category File System */ - export interface DirEntry { - /** The file name of the entry. It is just the entity name and does not - * include the full path. */ - name: string; - /** True if this is info for a regular file. Mutually exclusive to - * `DirEntry.isDirectory` and `DirEntry.isSymlink`. */ - isFile: boolean; - /** True if this is info for a regular directory. Mutually exclusive to - * `DirEntry.isFile` and `DirEntry.isSymlink`. */ - isDirectory: boolean; - /** True if this is info for a symlink. Mutually exclusive to - * `DirEntry.isFile` and `DirEntry.isDirectory`. */ - isSymlink: boolean; - } - - /** Reads the directory given by `path` and returns an async iterable of - * {@linkcode Deno.DirEntry}. - * - * ```ts - * for await (const dirEntry of Deno.readDir("/")) { - * console.log(dirEntry.name); - * } - * ``` - * - * Throws error if `path` is not a directory. - * - * Requires `allow-read` permission. - * - * @tags allow-read - * @category File System - */ - export function readDir(path: string | URL): AsyncIterable<DirEntry>; - - /** Synchronously reads the directory given by `path` and returns an iterable - * of `Deno.DirEntry`. - * - * ```ts - * for (const dirEntry of Deno.readDirSync("/")) { - * console.log(dirEntry.name); - * } - * ``` - * - * Throws error if `path` is not a directory. - * - * Requires `allow-read` permission. - * - * @tags allow-read - * @category File System - */ - export function readDirSync(path: string | URL): Iterable<DirEntry>; - - /** Copies the contents and permissions of one file to another specified path, - * by default creating a new file if needed, else overwriting. Fails if target - * path is a directory or is unwritable. - * - * ```ts - * await Deno.copyFile("from.txt", "to.txt"); - * ``` - * - * Requires `allow-read` permission on `fromPath`. - * - * Requires `allow-write` permission on `toPath`. - * - * @tags allow-read, allow-write - * @category File System - */ - export function copyFile( - fromPath: string | URL, - toPath: string | URL, - ): Promise<void>; - - /** Synchronously copies the contents and permissions of one file to another - * specified path, by default creating a new file if needed, else overwriting. - * Fails if target path is a directory or is unwritable. - * - * ```ts - * Deno.copyFileSync("from.txt", "to.txt"); - * ``` - * - * Requires `allow-read` permission on `fromPath`. - * - * Requires `allow-write` permission on `toPath`. - * - * @tags allow-read, allow-write - * @category File System - */ - export function copyFileSync( - fromPath: string | URL, - toPath: string | URL, - ): void; - - /** Resolves to the full path destination of the named symbolic link. - * - * ```ts - * await Deno.symlink("./test.txt", "./test_link.txt"); - * const target = await Deno.readLink("./test_link.txt"); // full path of ./test.txt - * ``` - * - * Throws TypeError if called with a hard link. - * - * Requires `allow-read` permission. - * - * @tags allow-read - * @category File System - */ - export function readLink(path: string | URL): Promise<string>; - - /** Synchronously returns the full path destination of the named symbolic - * link. - * - * ```ts - * Deno.symlinkSync("./test.txt", "./test_link.txt"); - * const target = Deno.readLinkSync("./test_link.txt"); // full path of ./test.txt - * ``` - * - * Throws TypeError if called with a hard link. - * - * Requires `allow-read` permission. - * - * @tags allow-read - * @category File System - */ - export function readLinkSync(path: string | URL): string; - - /** Resolves to a {@linkcode Deno.FileInfo} for the specified `path`. If - * `path` is a symlink, information for the symlink will be returned instead - * of what it points to. - * - * ```ts - * import { assert } from "https://deno.land/std/testing/asserts.ts"; - * const fileInfo = await Deno.lstat("hello.txt"); - * assert(fileInfo.isFile); - * ``` - * - * Requires `allow-read` permission. - * - * @tags allow-read - * @category File System - */ - export function lstat(path: string | URL): Promise<FileInfo>; - - /** Synchronously returns a {@linkcode Deno.FileInfo} for the specified - * `path`. If `path` is a symlink, information for the symlink will be - * returned instead of what it points to. - * - * ```ts - * import { assert } from "https://deno.land/std/testing/asserts.ts"; - * const fileInfo = Deno.lstatSync("hello.txt"); - * assert(fileInfo.isFile); - * ``` - * - * Requires `allow-read` permission. - * - * @tags allow-read - * @category File System - */ - export function lstatSync(path: string | URL): FileInfo; - - /** Resolves to a {@linkcode Deno.FileInfo} for the specified `path`. Will - * always follow symlinks. - * - * ```ts - * import { assert } from "https://deno.land/std/testing/asserts.ts"; - * const fileInfo = await Deno.stat("hello.txt"); - * assert(fileInfo.isFile); - * ``` - * - * Requires `allow-read` permission. - * - * @tags allow-read - * @category File System - */ - export function stat(path: string | URL): Promise<FileInfo>; - - /** Synchronously returns a {@linkcode Deno.FileInfo} for the specified - * `path`. Will always follow symlinks. - * - * ```ts - * import { assert } from "https://deno.land/std/testing/asserts.ts"; - * const fileInfo = Deno.statSync("hello.txt"); - * assert(fileInfo.isFile); - * ``` - * - * Requires `allow-read` permission. - * - * @tags allow-read - * @category File System - */ - export function statSync(path: string | URL): FileInfo; - - /** Options for writing to a file. - * - * @category File System - */ - export interface WriteFileOptions { - /** Defaults to `false`. If set to `true`, will append to a file instead of - * overwriting previous contents. */ - append?: boolean; - /** Sets the option to allow creating a new file, if one doesn't already - * exist at the specified path (defaults to `true`). */ - create?: boolean; - /** Permissions always applied to file. */ - mode?: number; - /** An abort signal to allow cancellation of the file write operation. - * - * If the signal becomes aborted the write file operation will be stopped - * and the promise returned will be rejected with an {@linkcode AbortError}. - */ - signal?: AbortSignal; - } - - /** Write `data` to the given `path`, by default creating a new file if - * needed, else overwriting. - * - * ```ts - * const encoder = new TextEncoder(); - * const data = encoder.encode("Hello world\n"); - * await Deno.writeFile("hello1.txt", data); // overwrite "hello1.txt" or create it - * await Deno.writeFile("hello2.txt", data, { create: false }); // only works if "hello2.txt" exists - * await Deno.writeFile("hello3.txt", data, { mode: 0o777 }); // set permissions on new file - * await Deno.writeFile("hello4.txt", data, { append: true }); // add data to the end of the file - * ``` - * - * Requires `allow-write` permission, and `allow-read` if `options.create` is - * `false`. - * - * @tags allow-read, allow-write - * @category File System - */ - export function writeFile( - path: string | URL, - data: Uint8Array, - options?: WriteFileOptions, - ): Promise<void>; - - /** Synchronously write `data` to the given `path`, by default creating a new - * file if needed, else overwriting. - * - * ```ts - * const encoder = new TextEncoder(); - * const data = encoder.encode("Hello world\n"); - * Deno.writeFileSync("hello1.txt", data); // overwrite "hello1.txt" or create it - * Deno.writeFileSync("hello2.txt", data, { create: false }); // only works if "hello2.txt" exists - * Deno.writeFileSync("hello3.txt", data, { mode: 0o777 }); // set permissions on new file - * Deno.writeFileSync("hello4.txt", data, { append: true }); // add data to the end of the file - * ``` - * - * Requires `allow-write` permission, and `allow-read` if `options.create` is - * `false`. - * - * @tags allow-read, allow-write - * @category File System - */ - export function writeFileSync( - path: string | URL, - data: Uint8Array, - options?: WriteFileOptions, - ): void; - - /** Write string `data` to the given `path`, by default creating a new file if - * needed, else overwriting. - * - * ```ts - * await Deno.writeTextFile("hello1.txt", "Hello world\n"); // overwrite "hello1.txt" or create it - * ``` - * - * Requires `allow-write` permission, and `allow-read` if `options.create` is - * `false`. - * - * @tags allow-read, allow-write - * @category File System - */ - export function writeTextFile( - path: string | URL, - data: string, - options?: WriteFileOptions, - ): Promise<void>; - - /** Synchronously write string `data` to the given `path`, by default creating - * a new file if needed, else overwriting. - * - * ```ts - * Deno.writeTextFileSync("hello1.txt", "Hello world\n"); // overwrite "hello1.txt" or create it - * ``` - * - * Requires `allow-write` permission, and `allow-read` if `options.create` is - * `false`. - * - * @tags allow-read, allow-write - * @category File System - */ - export function writeTextFileSync( - path: string | URL, - data: string, - options?: WriteFileOptions, - ): void; - - /** Truncates (or extends) the specified file, to reach the specified `len`. - * If `len` is not specified then the entire file contents are truncated. - * - * ### Truncate the entire file - * ```ts - * await Deno.truncate("my_file.txt"); - * ``` - * - * ### Truncate part of the file - * - * ``` - * const file = await Deno.makeTempFile(); - * await Deno.writeFile(file, new TextEncoder().encode("Hello World")); - * await Deno.truncate(file, 7); - * const data = await Deno.readFile(file); - * console.log(new TextDecoder().decode(data)); // "Hello W" - * ``` - * - * Requires `allow-write` permission. - * - * @tags allow-write - * @category File System - */ - export function truncate(name: string, len?: number): Promise<void>; - - /** Synchronously truncates (or extends) the specified file, to reach the - * specified `len`. If `len` is not specified then the entire file contents - * are truncated. - * - * ### Truncate the entire file - * - * ```ts - * Deno.truncateSync("my_file.txt"); - * ``` - * - * ### Truncate part of the file - * - * ```ts - * const file = Deno.makeTempFileSync(); - * Deno.writeFileSync(file, new TextEncoder().encode("Hello World")); - * Deno.truncateSync(file, 7); - * const data = Deno.readFileSync(file); - * console.log(new TextDecoder().decode(data)); - * ``` - * - * Requires `allow-write` permission. - * - * @tags allow-write - * @category File System - */ - export function truncateSync(name: string, len?: number): void; - - /** @category Observability */ - export interface OpMetrics { - opsDispatched: number; - opsDispatchedSync: number; - opsDispatchedAsync: number; - opsDispatchedAsyncUnref: number; - opsCompleted: number; - opsCompletedSync: number; - opsCompletedAsync: number; - opsCompletedAsyncUnref: number; - bytesSentControl: number; - bytesSentData: number; - bytesReceived: number; - } - - /** @category Observability */ - export interface Metrics extends OpMetrics { - ops: Record<string, OpMetrics>; - } - - /** Receive metrics from the privileged side of Deno. This is primarily used - * in the development of Deno. _Ops_, also called _bindings_, are the - * go-between between Deno JavaScript sandbox and the rest of Deno. - * - * ```shell - * > console.table(Deno.metrics()) - * ┌─────────────────────────┬────────┐ - * │ (index) │ Values │ - * ├─────────────────────────┼────────┤ - * │ opsDispatched │ 3 │ - * │ opsDispatchedSync │ 2 │ - * │ opsDispatchedAsync │ 1 │ - * │ opsDispatchedAsyncUnref │ 0 │ - * │ opsCompleted │ 3 │ - * │ opsCompletedSync │ 2 │ - * │ opsCompletedAsync │ 1 │ - * │ opsCompletedAsyncUnref │ 0 │ - * │ bytesSentControl │ 73 │ - * │ bytesSentData │ 0 │ - * │ bytesReceived │ 375 │ - * └─────────────────────────┴────────┘ - * ``` - * - * @category Observability - */ - export function metrics(): Metrics; - - /** - * A map of open resources that Deno is tracking. The key is the resource ID - * (_rid_) and the value is its representation. - * - * @category Observability */ - interface ResourceMap { - [rid: number]: unknown; - } - - /** Returns a map of open resource IDs (_rid_) along with their string - * representations. This is an internal API and as such resource - * representation has `unknown` type; that means it can change any time and - * should not be depended upon. - * - * ```ts - * console.log(Deno.resources()); - * // { 0: "stdin", 1: "stdout", 2: "stderr" } - * Deno.openSync('../test.file'); - * console.log(Deno.resources()); - * // { 0: "stdin", 1: "stdout", 2: "stderr", 3: "fsFile" } - * ``` - * - * @category Observability - */ - export function resources(): ResourceMap; - - /** - * Additional information for FsEvent objects with the "other" kind. - * - * - `"rescan"`: rescan notices indicate either a lapse in the events or a - * change in the filesystem such that events received so far can no longer - * be relied on to represent the state of the filesystem now. An - * application that simply reacts to file changes may not care about this. - * An application that keeps an in-memory representation of the filesystem - * will need to care, and will need to refresh that representation directly - * from the filesystem. - * - * @category File System - */ - export type FsEventFlag = "rescan"; - - /** - * Represents a unique file system event yielded by a - * {@linkcode Deno.FsWatcher}. - * - * @category File System */ - export interface FsEvent { - /** The kind/type of the file system event. */ - kind: "any" | "access" | "create" | "modify" | "remove" | "other"; - /** An array of paths that are associated with the file system event. */ - paths: string[]; - /** Any additional flags associated with the event. */ - flag?: FsEventFlag; - } - - /** - * Returned by {@linkcode Deno.watchFs}. It is an async iterator yielding up - * system events. To stop watching the file system by calling `.close()` - * method. - * - * @category File System - */ - export interface FsWatcher extends AsyncIterable<FsEvent> { - /** The resource id. */ - readonly rid: number; - /** Stops watching the file system and closes the watcher resource. */ - close(): void; - /** - * Stops watching the file system and closes the watcher resource. - * - * @deprecated Will be removed in the future. - */ - return?(value?: any): Promise<IteratorResult<FsEvent>>; - [Symbol.asyncIterator](): AsyncIterableIterator<FsEvent>; - } - - /** Watch for file system events against one or more `paths`, which can be - * files or directories. These paths must exist already. One user action (e.g. - * `touch test.file`) can generate multiple file system events. Likewise, - * one user action can result in multiple file paths in one event (e.g. `mv - * old_name.txt new_name.txt`). - * - * The recursive option is `true` by default and, for directories, will watch - * the specified directory and all sub directories. - * - * Note that the exact ordering of the events can vary between operating - * systems. - * - * ```ts - * const watcher = Deno.watchFs("/"); - * for await (const event of watcher) { - * console.log(">>>> event", event); - * // { kind: "create", paths: [ "/foo.txt" ] } - * } - * ``` - * - * Call `watcher.close()` to stop watching. - * - * ```ts - * const watcher = Deno.watchFs("/"); - * - * setTimeout(() => { - * watcher.close(); - * }, 5000); - * - * for await (const event of watcher) { - * console.log(">>>> event", event); - * } - * ``` - * - * Requires `allow-read` permission. - * - * @tags allow-read - * @category File System - */ - export function watchFs( - paths: string | string[], - options?: { recursive: boolean }, - ): FsWatcher; - - /** Options which can be used with {@linkcode Deno.run}. - * - * @category Sub Process */ - export interface RunOptions { - /** Arguments to pass. - * - * _Note_: the first element needs to be a path to the executable that is - * being run. */ - cmd: readonly string[] | [string | URL, ...string[]]; - /** The current working directory that should be used when running the - * sub-process. */ - cwd?: string; - /** Any environment variables to be set when running the sub-process. */ - env?: Record<string, string>; - /** By default subprocess inherits `stdout` of parent process. To change - * this this option can be set 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 - * 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`. - */ - stdout?: "inherit" | "piped" | "null" | number; - /** By default subprocess inherits `stderr` of parent process. To change - * this this option can be set 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 - * 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`. - */ - stderr?: "inherit" | "piped" | "null" | number; - /** By default subprocess inherits `stdin` of parent process. To change - * this this option can be set 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 from 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`. - */ - stdin?: "inherit" | "piped" | "null" | number; - } - - /** The status resolved from the `.status()` method of a - * {@linkcode Deno.Process} instance. - * - * If `success` is `true`, then `code` will be `0`, but if `success` is - * `false`, the sub-process exit code will be set in `code`. - * - * @category Sub Process */ - export type ProcessStatus = - | { - success: true; - code: 0; - signal?: undefined; - } - | { - success: false; - code: number; - signal?: number; - }; - - /** - * Represents an instance of a sub process that is returned from - * {@linkcode Deno.run} which can be used to manage the sub-process. - * - * @category Sub Process */ - export class Process<T extends RunOptions = RunOptions> { - /** The resource ID of the sub-process. */ - readonly rid: number; - /** The operating system's process ID for the sub-process. */ - readonly pid: number; - /** A reference to the sub-processes `stdin`, which allows interacting with - * the sub-process at a low level. */ - readonly stdin: T["stdin"] extends "piped" ? Writer & Closer & { - writable: WritableStream<Uint8Array>; - } - : (Writer & Closer & { writable: WritableStream<Uint8Array> }) | null; - /** A reference to the sub-processes `stdout`, which allows interacting with - * the sub-process at a low level. */ - readonly stdout: T["stdout"] extends "piped" ? Reader & Closer & { - readable: ReadableStream<Uint8Array>; - } - : (Reader & Closer & { readable: ReadableStream<Uint8Array> }) | null; - /** A reference to the sub-processes `stderr`, which allows interacting with - * the sub-process at a low level. */ - readonly stderr: T["stderr"] extends "piped" ? Reader & Closer & { - readable: ReadableStream<Uint8Array>; - } - : (Reader & Closer & { readable: ReadableStream<Uint8Array> }) | null; - /** Wait for the process to exit and return its exit status. - * - * Calling this function multiple times will return the same status. - * - * The `stdin` reference to the process will be closed before waiting to - * avoid a deadlock. - * - * If `stdout` and/or `stderr` were set to `"piped"`, they must be closed - * manually before the process can exit. - * - * To run process to completion and collect output from both `stdout` and - * `stderr` use: - * - * ```ts - * const p = Deno.run({ cmd: [ "echo", "hello world" ], stderr: 'piped', stdout: 'piped' }); - * const [status, stdout, stderr] = await Promise.all([ - * p.status(), - * p.output(), - * p.stderrOutput() - * ]); - * p.close(); - * ``` - */ - status(): Promise<ProcessStatus>; - /** Buffer the stdout until EOF and return it as `Uint8Array`. - * - * You must set `stdout` to `"piped"` when creating the process. - * - * This calls `close()` on stdout after its done. */ - output(): Promise<Uint8Array>; - /** Buffer the stderr until EOF and return it as `Uint8Array`. - * - * You must set `stderr` to `"piped"` when creating the process. - * - * This calls `close()` on stderr after its done. */ - stderrOutput(): Promise<Uint8Array>; - /** Clean up resources associated with the sub-process instance. */ - close(): void; - /** Send a signal to process. - * Default signal is `"SIGTERM"`. - * - * ```ts - * const p = Deno.run({ cmd: [ "sleep", "20" ]}); - * p.kill("SIGTERM"); - * p.close(); - * ``` - */ - kill(signo?: Signal): void; - } - - /** Operating signals which can be listened for or sent to sub-processes. What - * signals and what their standard behaviors are OS dependent. - * - * @category Runtime Environment */ - export type Signal = - | "SIGABRT" - | "SIGALRM" - | "SIGBREAK" - | "SIGBUS" - | "SIGCHLD" - | "SIGCONT" - | "SIGEMT" - | "SIGFPE" - | "SIGHUP" - | "SIGILL" - | "SIGINFO" - | "SIGINT" - | "SIGIO" - | "SIGKILL" - | "SIGPIPE" - | "SIGPROF" - | "SIGPWR" - | "SIGQUIT" - | "SIGSEGV" - | "SIGSTKFLT" - | "SIGSTOP" - | "SIGSYS" - | "SIGTERM" - | "SIGTRAP" - | "SIGTSTP" - | "SIGTTIN" - | "SIGTTOU" - | "SIGURG" - | "SIGUSR1" - | "SIGUSR2" - | "SIGVTALRM" - | "SIGWINCH" - | "SIGXCPU" - | "SIGXFSZ"; - - /** Registers the given function as a listener of the given signal event. - * - * ```ts - * Deno.addSignalListener( - * "SIGTERM", - * () => { - * console.log("SIGTERM!") - * } - * ); - * ``` - * - * _Note_: On Windows only `"SIGINT"` (CTRL+C) and `"SIGBREAK"` (CTRL+Break) - * are supported. - * - * @category Runtime Environment - */ - export function addSignalListener(signal: Signal, handler: () => void): void; - - /** Removes the given signal listener that has been registered with - * {@linkcode Deno.addSignalListener}. - * - * ```ts - * const listener = () => { - * console.log("SIGTERM!") - * }; - * Deno.addSignalListener("SIGTERM", listener); - * Deno.removeSignalListener("SIGTERM", listener); - * ``` - * - * _Note_: On Windows only `"SIGINT"` (CTRL+C) and `"SIGBREAK"` (CTRL+Break) - * are supported. - * - * @category Runtime Environment - */ - export function removeSignalListener( - signal: Signal, - handler: () => void, - ): void; - - /** 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<T extends RunOptions = RunOptions>(opt: T): Process<T>; - - /** Option which can be specified when performing {@linkcode Deno.inspect}. - * - * @category Console and Debugging */ - export interface InspectOptions { - /** Stylize output with ANSI colors. Defaults to `false`. */ - colors?: boolean; - /** Try to fit more than one entry of a collection on the same line. - * Defaults to `true`. */ - compact?: boolean; - /** Traversal depth for nested objects. Defaults to `4`. */ - depth?: number; - /** The maximum number of iterable entries to print. Defaults to `100`. */ - iterableLimit?: number; - /** Show a Proxy's target and handler. Defaults to `false`. */ - showProxy?: boolean; - /** Sort Object, Set and Map entries by key. Defaults to `false`. */ - sorted?: boolean; - /** Add a trailing comma for multiline collections. Defaults to `false`. */ - trailingComma?: boolean; - /*** Evaluate the result of calling getters. Defaults to `false`. */ - getters?: boolean; - /** Show an object's non-enumerable properties. Defaults to `false`. */ - showHidden?: boolean; - /** The maximum length of a string before it is truncated with an - * ellipsis. */ - strAbbreviateSize?: number; - } - - /** Converts the input into a string that has the same format as printed by - * `console.log()`. - * - * ```ts - * const obj = { - * a: 10, - * b: "hello", - * }; - * const objAsString = Deno.inspect(obj); // { a: 10, b: "hello" } - * console.log(obj); // prints same value as objAsString, e.g. { a: 10, b: "hello" } - * ``` - * - * A custom inspect functions can be registered on objects, via the symbol - * `Symbol.for("Deno.customInspect")`, to control and customize the output - * of `inspect()` or when using `console` logging: - * - * ```ts - * class A { - * x = 10; - * y = "hello"; - * [Symbol.for("Deno.customInspect")]() { - * return `x=${this.x}, y=${this.y}`; - * } - * } - * - * const inStringFormat = Deno.inspect(new A()); // "x=10, y=hello" - * console.log(inStringFormat); // prints "x=10, y=hello" - * ``` - * - * A depth can be specified by using the `depth` option: - * - * ```ts - * Deno.inspect({a: {b: {c: {d: 'hello'}}}}, {depth: 2}); // { a: { b: [Object] } } - * ``` - * - * @category Console and Debugging - */ - export function inspect(value: unknown, options?: InspectOptions): string; - - /** The name of a privileged feature which needs permission. - * - * @category Permissions - */ - export type PermissionName = - | "run" - | "read" - | "write" - | "net" - | "env" - | "sys" - | "ffi" - | "hrtime"; - - /** The current status of the permission: - * - * - `"granted"` - the permission has been granted. - * - `"denied"` - the permission has been explicitly denied. - * - `"prompt"` - the permission has not explicitly granted nor denied. - * - * @category Permissions - */ - export type PermissionState = "granted" | "denied" | "prompt"; - - /** The permission descriptor for the `allow-run` permission, which controls - * access to what sub-processes can be executed by Deno. The option `command` - * allows scoping the permission to a specific executable. - * - * **Warning, in practice, `allow-run` is effectively the same as `allow-all` - * in the sense that malicious code could execute any arbitrary code on the - * host.** - * - * @category Permissions */ - export interface RunPermissionDescriptor { - name: "run"; - /** The `allow-run` permission can be scoped to a specific executable, - * which would be relative to the start-up CWD of the Deno CLI. */ - command?: string | URL; - } - - /** The permission descriptor for the `allow-read` permissions, which controls - * access to reading resources from the local host. The option `path` allows - * scoping the permission to a specific path (and if the path is a directory - * any sub paths). - * - * Permission granted under `allow-read` only allows runtime code to attempt - * to read, the underlying operating system may apply additional permissions. - * - * @category Permissions */ - export interface ReadPermissionDescriptor { - name: "read"; - /** The `allow-read` permission can be scoped to a specific path (and if - * the path is a directory, any sub paths). */ - path?: string | URL; - } - - /** The permission descriptor for the `allow-write` permissions, which - * controls access to writing to resources from the local host. The option - * `path` allow scoping the permission to a specific path (and if the path is - * a directory any sub paths). - * - * Permission granted under `allow-write` only allows runtime code to attempt - * to write, the underlying operating system may apply additional permissions. - * - * @category Permissions */ - export interface WritePermissionDescriptor { - name: "write"; - /** The `allow-write` permission can be scoped to a specific path (and if - * the path is a directory, any sub paths). */ - path?: string | URL; - } - - /** The permission descriptor for the `allow-net` permissions, which controls - * access to opening network ports and connecting to remote hosts via the - * network. The option `host` allows scoping the permission for outbound - * connection to a specific host and port. - * - * @category Permissions */ - export interface NetPermissionDescriptor { - name: "net"; - /** Optional host string of the form `"<hostname>[:<port>]"`. Examples: - * - * "github.com" - * "deno.land:8080" - */ - host?: string; - } - - /** The permission descriptor for the `allow-env` permissions, which controls - * access to being able to read and write to the process environment variables - * as well as access other information about the environment. The option - * `variable` allows scoping the permission to a specific environment - * variable. - * - * @category Permissions */ - export interface EnvPermissionDescriptor { - name: "env"; - /** Optional environment variable name (e.g. `PATH`). */ - variable?: string; - } - - /** The permission descriptor for the `allow-sys` permissions, which controls - * access to sensitive host system information, which malicious code might - * attempt to exploit. The option `kind` allows scoping the permission to a - * specific piece of information. - * - * @category Permissions */ - export interface SysPermissionDescriptor { - name: "sys"; - /** The specific information to scope the permission to. */ - kind?: - | "loadavg" - | "hostname" - | "systemMemoryInfo" - | "networkInterfaces" - | "osRelease" - | "uid" - | "gid"; - } - - /** The permission descriptor for the `allow-ffi` permissions, which controls - * access to loading _foreign_ code and interfacing with it via the - * [Foreign Function Interface API](https://deno.land/manual/runtime/ffi_api) - * available in Deno. The option `path` allows scoping the permission to a - * specific path on the host. - * - * @category Permissions */ - export interface FfiPermissionDescriptor { - name: "ffi"; - /** Optional path on the local host to scope the permission to. */ - path?: string | URL; - } - - /** The permission descriptor for the `allow-hrtime` permission, which - * controls if the runtime code has access to high resolution time. High - * resolution time is consider sensitive information, because it can be used - * by malicious code to gain information about the host that it might - * otherwise have access to. - * - * @category Permissions */ - export interface HrtimePermissionDescriptor { - name: "hrtime"; - } - - /** Permission descriptors which define a permission and can be queried, - * requested, or revoked. - * - * View the specifics of the individual descriptors for more information about - * each permission kind. - * - * @category Permissions - */ - export type PermissionDescriptor = - | RunPermissionDescriptor - | ReadPermissionDescriptor - | WritePermissionDescriptor - | NetPermissionDescriptor - | EnvPermissionDescriptor - | SysPermissionDescriptor - | FfiPermissionDescriptor - | HrtimePermissionDescriptor; - - /** The interface which defines what event types are supported by - * {@linkcode PermissionStatus} instances. - * - * @category Permissions */ - export interface PermissionStatusEventMap { - "change": Event; - } - - /** An {@linkcode EventTarget} returned from the {@linkcode Deno.permissions} - * API which can provide updates to any state changes of the permission. - * - * @category Permissions */ - export class PermissionStatus extends EventTarget { - // deno-lint-ignore no-explicit-any - onchange: ((this: PermissionStatus, ev: Event) => any) | null; - readonly state: PermissionState; - addEventListener<K extends keyof PermissionStatusEventMap>( - type: K, - listener: ( - this: PermissionStatus, - ev: PermissionStatusEventMap[K], - ) => any, - options?: boolean | AddEventListenerOptions, - ): void; - addEventListener( - type: string, - listener: EventListenerOrEventListenerObject, - options?: boolean | AddEventListenerOptions, - ): void; - removeEventListener<K extends keyof PermissionStatusEventMap>( - type: K, - listener: ( - this: PermissionStatus, - ev: PermissionStatusEventMap[K], - ) => any, - options?: boolean | EventListenerOptions, - ): void; - removeEventListener( - type: string, - listener: EventListenerOrEventListenerObject, - options?: boolean | EventListenerOptions, - ): void; - } - - /** - * Deno's permission management API. - * - * The class which provides the interface for the {@linkcode Deno.permissions} - * global instance and is based on the web platform - * [Permissions API](https://developer.mozilla.org/en-US/docs/Web/API/Permissions_API), - * though some proposed parts of the API which are useful in a server side - * runtime context were removed or abandoned in the web platform specification - * which is why it was chosen to locate it in the {@linkcode Deno} namespace - * instead. - * - * By default, if the `stdin`/`stdout` is TTY for the Deno CLI (meaning it can - * send and receive text), then the CLI will prompt the user to grant - * permission when an un-granted permission is requested. This behavior can - * be changed by using the `--no-prompt` command at startup. When prompting - * the CLI will request the narrowest permission possible, potentially making - * it annoying to the user. The permissions APIs allow the code author to - * request a wider set of permissions at one time in order to provide a better - * user experience. - * - * @category Permissions */ - export class Permissions { - /** Resolves to the current status of a permission. - * - * Note, if the permission is already granted, `request()` will not prompt - * the user again, therefore `query()` is only necessary if you are going - * to react differently existing permissions without wanting to modify them - * or prompt the user to modify them. - * - * ```ts - * const status = await Deno.permissions.query({ name: "read", path: "/etc" }); - * console.log(status.state); - * ``` - */ - query(desc: PermissionDescriptor): Promise<PermissionStatus>; - - /** Revokes a permission, and resolves to the state of the permission. - * - * ```ts - * import { assert } from "https://deno.land/std/testing/asserts.ts"; - * - * const status = await Deno.permissions.revoke({ name: "run" }); - * assert(status.state !== "granted") - * ``` - */ - revoke(desc: PermissionDescriptor): Promise<PermissionStatus>; - - /** Requests the permission, and resolves to the state of the permission. - * - * If the permission is already granted, the user will not be prompted to - * grant the permission again. - * - * ```ts - * const status = await Deno.permissions.request({ name: "env" }); - * if (status.state === "granted") { - * console.log("'env' permission is granted."); - * } else { - * console.log("'env' permission is denied."); - * } - * ``` - */ - request(desc: PermissionDescriptor): Promise<PermissionStatus>; - } - - /** Deno's permission management API. - * - * It is a singleton instance of the {@linkcode Permissions} object and is - * based on the web platform - * [Permissions API](https://developer.mozilla.org/en-US/docs/Web/API/Permissions_API), - * though some proposed parts of the API which are useful in a server side - * runtime context were removed or abandoned in the web platform specification - * which is why it was chosen to locate it in the {@linkcode Deno} namespace - * instead. - * - * By default, if the `stdin`/`stdout` is TTY for the Deno CLI (meaning it can - * send and receive text), then the CLI will prompt the user to grant - * permission when an un-granted permission is requested. This behavior can - * be changed by using the `--no-prompt` command at startup. When prompting - * the CLI will request the narrowest permission possible, potentially making - * it annoying to the user. The permissions APIs allow the code author to - * request a wider set of permissions at one time in order to provide a better - * user experience. - * - * Requesting already granted permissions will not prompt the user and will - * return that the permission was granted. - * - * ### Querying - * - * ```ts - * const status = await Deno.permissions.query({ name: "read", path: "/etc" }); - * console.log(status.state); - * ``` - * - * ### Revoking - * - * ```ts - * import { assert } from "https://deno.land/std/testing/asserts.ts"; - * - * const status = await Deno.permissions.revoke({ name: "run" }); - * assert(status.state !== "granted") - * ``` - * - * ### Requesting - * - * ```ts - * const status = await Deno.permissions.request({ name: "env" }); - * if (status.state === "granted") { - * console.log("'env' permission is granted."); - * } else { - * console.log("'env' permission is denied."); - * } - * ``` - * - * @category Permissions - */ - export const permissions: Permissions; - - /** Information related to the build of the current Deno runtime. - * - * Users are discouraged from code branching based on this information, as - * assumptions about what is available in what build environment might change - * over time. Developers should specifically sniff out the features they - * intend to use. - * - * The intended use for the information is for logging and debugging purposes. - * - * @category Runtime Environment - */ - export const build: { - /** The [LLVM](https://llvm.org/) target triple, which is the combination - * of `${arch}-${vendor}-${os}` and represent the specific build target that - * the current runtime was built for. */ - target: string; - /** Instruction set architecture that the Deno CLI was built for. */ - arch: "x86_64" | "aarch64"; - /** The operating system that the Deno CLI was built for. `"darwin"` is - * also known as OSX or MacOS. */ - os: "darwin" | "linux" | "windows"; - /** The computer vendor that the Deno CLI was built for. */ - vendor: string; - /** Optional environment flags that were set for this build of Deno CLI. */ - env?: string; - }; - - /** Version information related to the current Deno CLI runtime environment. - * - * Users are discouraged from code branching based on this information, as - * assumptions about what is available in what build environment might change - * over time. Developers should specifically sniff out the features they - * intend to use. - * - * The intended use for the information is for logging and debugging purposes. - * - * @category Runtime Environment - */ - export const version: { - /** Deno CLI's version. For example: `"1.26.0"`. */ - deno: string; - /** The V8 version used by Deno. For example: `"10.7.100.0"`. - * - * V8 is the underlying JavaScript runtime platform that Deno is built on - * top of. */ - v8: string; - /** The TypeScript version used by Deno. For example: `"4.8.3"`. - * - * A version of the TypeScript type checker and language server is built-in - * to the Deno CLI. */ - typescript: string; - }; - - /** Returns the script arguments to the program. - * - * Give the following command line invocation of Deno: - * - * ```sh - * deno run --allow-read https://deno.land/std/examples/cat.ts /etc/passwd - * ``` - * - * Then `Deno.args` will contain: - * - * ``` - * [ "/etc/passwd" ] - * ``` - * - * If you are looking for a structured way to parse arguments, there is the - * [`std/flags`](https://deno.land/std/flags) module as part of the Deno - * standard library. - * - * @category Runtime Environment - */ - export const args: string[]; - - /** - * A symbol which can be used as a key for a custom method which will be - * called when `Deno.inspect()` is called, or when the object is logged to - * the console. - * - * @deprecated This symbol is deprecated since 1.9. Use - * `Symbol.for("Deno.customInspect")` instead. - * - * @category Console and Debugging - */ - export const customInspect: unique symbol; - - /** The URL of the entrypoint module entered from the command-line. It - * requires read permission to the CWD. - * - * Also see {@linkcode ImportMeta} for other related information. - * - * @tags allow-read - * @category Runtime Environment - */ - export const mainModule: string; - - /** Options that can be used with {@linkcode symlink} and - * {@linkcode symlinkSync}. - * - * @category File System */ - export interface SymlinkOptions { - /** If the symbolic link should be either a file or directory. This option - * only applies to Windows and is ignored on other operating systems. */ - type: "file" | "dir"; - } - - /** - * Creates `newpath` as a symbolic link to `oldpath`. - * - * The `options.type` parameter can be set to `"file"` or `"dir"`. This - * argument is only available on Windows and ignored on other platforms. - * - * ```ts - * await Deno.symlink("old/name", "new/name"); - * ``` - * - * Requires full `allow-read` and `allow-write` permissions. - * - * @tags allow-read, allow-write - * @category File System - */ - export function symlink( - oldpath: string | URL, - newpath: string | URL, - options?: SymlinkOptions, - ): Promise<void>; - - /** - * Creates `newpath` as a symbolic link to `oldpath`. - * - * The `options.type` parameter can be set to `"file"` or `"dir"`. This - * argument is only available on Windows and ignored on other platforms. - * - * ```ts - * Deno.symlinkSync("old/name", "new/name"); - * ``` - * - * Requires full `allow-read` and `allow-write` permissions. - * - * @tags allow-read, allow-write - * @category File System - */ - export function symlinkSync( - oldpath: string | URL, - newpath: string | URL, - options?: SymlinkOptions, - ): void; - - /** - * Truncates or extends the specified file stream, to reach the specified - * `len`. - * - * If `len` is not specified then the entire file contents are truncated as if - * `len` was set to `0`. - * - * If the file previously was larger than this new length, the extra data is - * lost. - * - * If the file previously was shorter, it is extended, and the extended part - * reads as null bytes ('\0'). - * - * ### Truncate the entire file - * - * ```ts - * const file = await Deno.open( - * "my_file.txt", - * { read: true, write: true, create: true } - * ); - * await Deno.ftruncate(file.rid); - * ``` - * - * ### Truncate part of the file - * - * ```ts - * const file = await Deno.open( - * "my_file.txt", - * { read: true, write: true, create: true } - * ); - * await Deno.write(file.rid, new TextEncoder().encode("Hello World")); - * await Deno.ftruncate(file.rid, 7); - * const data = new Uint8Array(32); - * await Deno.read(file.rid, data); - * console.log(new TextDecoder().decode(data)); // Hello W - * ``` - * - * @category File System - */ - export function ftruncate(rid: number, len?: number): Promise<void>; - - /** - * Synchronously truncates or extends the specified file stream, to reach the - * specified `len`. - * - * If `len` is not specified then the entire file contents are truncated as if - * `len` was set to `0`. - * - * If the file previously was larger than this new length, the extra data is - * lost. - * - * If the file previously was shorter, it is extended, and the extended part - * reads as null bytes ('\0'). - * - * ### Truncate the entire file - * - * ```ts - * const file = Deno.openSync( - * "my_file.txt", - * { read: true, write: true, truncate: true, create: true } - * ); - * Deno.ftruncateSync(file.rid); - * ``` - * - * ### Truncate part of the file - * - * ```ts - * const file = Deno.openSync( - * "my_file.txt", - * { read: true, write: true, create: true } - * ); - * Deno.writeSync(file.rid, new TextEncoder().encode("Hello World")); - * Deno.ftruncateSync(file.rid, 7); - * Deno.seekSync(file.rid, 0, Deno.SeekMode.Start); - * const data = new Uint8Array(32); - * Deno.readSync(file.rid, data); - * console.log(new TextDecoder().decode(data)); // Hello W - * ``` - * - * @category File System - */ - export function ftruncateSync(rid: number, len?: number): void; - - /** - * Synchronously changes the access (`atime`) and modification (`mtime`) times - * of a file stream resource referenced by `rid`. Given times are either in - * seconds (UNIX epoch time) or as `Date` objects. - * - * ```ts - * const file = Deno.openSync("file.txt", { create: true, write: true }); - * Deno.futimeSync(file.rid, 1556495550, new Date()); - * ``` - * - * @category File System - */ - export function futimeSync( - rid: number, - atime: number | Date, - mtime: number | Date, - ): void; - - /** - * Changes the access (`atime`) and modification (`mtime`) times of a file - * stream resource referenced by `rid`. Given times are either in seconds - * (UNIX epoch time) or as `Date` objects. - * - * ```ts - * const file = await Deno.open("file.txt", { create: true, write: true }); - * await Deno.futime(file.rid, 1556495550, new Date()); - * ``` - * - * @category File System - */ - export function futime( - rid: number, - atime: number | Date, - mtime: number | Date, - ): Promise<void>; - - /** - * Returns a `Deno.FileInfo` for the given file stream. - * - * ```ts - * import { assert } from "https://deno.land/std/testing/asserts.ts"; - * - * const file = await Deno.open("file.txt", { read: true }); - * const fileInfo = await Deno.fstat(file.rid); - * assert(fileInfo.isFile); - * ``` - * - * @category File System - */ - export function fstat(rid: number): Promise<FileInfo>; - - /** - * Synchronously returns a {@linkcode Deno.FileInfo} for the given file - * stream. - * - * ```ts - * import { assert } from "https://deno.land/std/testing/asserts.ts"; - * - * const file = Deno.openSync("file.txt", { read: true }); - * const fileInfo = Deno.fstatSync(file.rid); - * assert(fileInfo.isFile); - * ``` - * - * @category File System - */ - export function fstatSync(rid: number): FileInfo; - - /** - * Synchronously changes the access (`atime`) and modification (`mtime`) times - * of a file system object referenced by `path`. Given times are either in - * seconds (UNIX epoch time) or as `Date` objects. - * - * ```ts - * Deno.utimeSync("myfile.txt", 1556495550, new Date()); - * ``` - * - * Requires `allow-write` permission. - * - * @tags allow-write - * @category File System - */ - export function utimeSync( - path: string | URL, - atime: number | Date, - mtime: number | Date, - ): void; - - /** - * Changes the access (`atime`) and modification (`mtime`) times of a file - * system object referenced by `path`. Given times are either in seconds - * (UNIX epoch time) or as `Date` objects. - * - * ```ts - * await Deno.utime("myfile.txt", 1556495550, new Date()); - * ``` - * - * Requires `allow-write` permission. - * - * @tags allow-write - * @category File System - */ - export function utime( - path: string | URL, - atime: number | Date, - mtime: number | Date, - ): Promise<void>; - - /** The event yielded from an {@linkcode HttpConn} which represents an HTTP - * request from a remote client. - * - * @category HTTP Server */ - export interface RequestEvent { - /** The request from the client in the form of the web platform - * {@linkcode Request}. */ - readonly request: Request; - /** The method to be used to respond to the event. The response needs to - * either be an instance of {@linkcode Response} or a promise that resolves - * with an instance of `Response`. - * - * When the response is successfully processed then the promise returned - * will be resolved. If there are any issues with sending the response, - * the promise will be rejected. */ - respondWith(r: Response | PromiseLike<Response>): Promise<void>; - } - - /** The async iterable that is returned from {@linkcode Deno.serveHttp} which - * yields up {@linkcode RequestEvent} events, representing individual - * requests on the HTTP server connection. - * - * @category HTTP Server */ - export interface HttpConn extends AsyncIterable<RequestEvent> { - /** The resource ID associated with this connection. Generally users do not - * need to be aware of this identifier. */ - readonly rid: number; - - /** An alternative to the async iterable interface which provides promises - * which resolve with either a {@linkcode RequestEvent} when there is - * another request or `null` when the client has closed the connection. */ - nextRequest(): Promise<RequestEvent | null>; - /** Initiate a server side closure of the connection, indicating to the - * client that you refuse to accept any more requests on this connection. - * - * Typically the client closes the connection, which will result in the - * async iterable terminating or the `nextRequest()` method returning - * `null`. */ - close(): void; - } - - /** - * Provides an interface to handle HTTP request and responses over TCP or TLS - * connections. The method returns an {@linkcode HttpConn} which yields up - * {@linkcode RequestEvent} events, which utilize the web platform standard - * {@linkcode Request} and {@linkcode Response} objects to handle the request. - * - * ```ts - * const conn = Deno.listen({ port: 80 }); - * const httpConn = Deno.serveHttp(await conn.accept()); - * const e = await httpConn.nextRequest(); - * if (e) { - * e.respondWith(new Response("Hello World")); - * } - * ``` - * - * Alternatively, you can also use the async iterator approach: - * - * ```ts - * async function handleHttp(conn: Deno.Conn) { - * for await (const e of Deno.serveHttp(conn)) { - * e.respondWith(new Response("Hello World")); - * } - * } - * - * for await (const conn of Deno.listen({ port: 80 })) { - * handleHttp(conn); - * } - * ``` - * - * If `httpConn.nextRequest()` encounters an error or returns `null` then the - * underlying {@linkcode HttpConn} resource is closed automatically. - * - * Also see the experimental Flash HTTP server {@linkcode Deno.serve} which - * provides a ground up rewrite of handling of HTTP requests and responses - * within the Deno CLI. - * - * Note that this function *consumes* the given connection passed to it, thus - * the original connection will be unusable after calling this. Additionally, - * you need to ensure that the connection is not being used elsewhere when - * calling this function in order for the connection to be consumed properly. - * - * For instance, if there is a `Promise` that is waiting for read operation on - * the connection to complete, it is considered that the connection is being - * used elsewhere. In such a case, this function will fail. - * - * @category HTTP Server - */ - export function serveHttp(conn: Conn): HttpConn; - - /** The object that is returned from a {@linkcode Deno.upgradeWebSocket} - * request. - * - * @category Web Sockets */ - export interface WebSocketUpgrade { - /** The response object that represents the HTTP response to the client, - * which should be used to the {@linkcode RequestEvent} `.respondWith()` for - * the upgrade to be successful. */ - response: Response; - /** The {@linkcode WebSocket} interface to communicate to the client via a - * web socket. */ - socket: WebSocket; - } - - /** Options which can be set when performing a - * {@linkcode Deno.upgradeWebSocket} upgrade of a {@linkcode Request} - * - * @category Web Sockets */ - export interface UpgradeWebSocketOptions { - /** Sets the `.protocol` property on the client side web socket to the - * value provided here, which should be one of the strings specified in the - * `protocols` parameter when requesting the web socket. This is intended - * for clients and servers to specify sub-protocols to use to communicate to - * each other. */ - protocol?: string; - /** If the client does not respond to this frame with a - * `pong` within the timeout specified, the connection is deemed - * unhealthy and is closed. The `close` and `error` event will be emitted. - * - * The default is 120 seconds. Set to `0` to disable timeouts. */ - idleTimeout?: number; - } - - /** - * Upgrade an incoming HTTP request to a WebSocket. - * - * Given a {@linkcode Request}, returns a pair of {@linkcode WebSocket} and - * {@linkcode Response} instances. The original request must be responded to - * with the returned response for the websocket upgrade to be successful. - * - * ```ts - * const conn = Deno.listen({ port: 80 }); - * const httpConn = Deno.serveHttp(await conn.accept()); - * const e = await httpConn.nextRequest(); - * if (e) { - * const { socket, response } = Deno.upgradeWebSocket(e.request); - * socket.onopen = () => { - * socket.send("Hello World!"); - * }; - * socket.onmessage = (e) => { - * console.log(e.data); - * socket.close(); - * }; - * socket.onclose = () => console.log("WebSocket has been closed."); - * socket.onerror = (e) => console.error("WebSocket error:", e); - * e.respondWith(response); - * } - * ``` - * - * If the request body is disturbed (read from) before the upgrade is - * completed, upgrading fails. - * - * This operation does not yet consume the request or open the websocket. This - * only happens once the returned response has been passed to `respondWith()`. - * - * @category Web Sockets - */ - export function upgradeWebSocket( - request: Request, - options?: UpgradeWebSocketOptions, - ): WebSocketUpgrade; - - /** Send a signal to process under given `pid`. The value and meaning of the - * `signal` to the process is operating system and process dependant. - * {@linkcode Signal} provides the most common signals. Default signal - * is `"SIGTERM"`. - * - * The term `kill` is adopted from the UNIX-like command line command `kill` - * which also signals processes. - * - * If `pid` is negative, the signal will be sent to the process group - * identified by `pid`. An error will be thrown if a negative `pid` is used on - * Windows. - * - * ```ts - * const p = Deno.run({ - * cmd: ["sleep", "10000"] - * }); - * - * Deno.kill(p.pid, "SIGINT"); - * ``` - * - * Requires `allow-run` permission. - * - * @tags allow-run - * @category Sub Process - */ - export function kill(pid: number, signo?: Signal): void; - - /** The type of the resource record to resolve via DNS using - * {@linkcode Deno.resolveDns}. - * - * Only the listed types are supported currently. - * - * @category Network - */ - export type RecordType = - | "A" - | "AAAA" - | "ANAME" - | "CAA" - | "CNAME" - | "MX" - | "NAPTR" - | "NS" - | "PTR" - | "SOA" - | "SRV" - | "TXT"; - - /** - * Options which can be set when using {@linkcode Deno.resolveDns}. - * - * @category Network */ - export interface ResolveDnsOptions { - /** The name server to be used for lookups. - * - * If not specified, defaults to the system configuration. For example - * `/etc/resolv.conf` on Unix-like systems. */ - nameServer?: { - /** The IP address of the name server. */ - ipAddr: string; - /** The port number the query will be sent to. - * - * If not specified, defaults to `53`. */ - port?: number; - }; - } - - /** If {@linkcode Deno.resolveDns} is called with `"CAA"` record type - * specified, it will resolve with an array of objects with this interface. - * - * @category Network - */ - export interface CAARecord { - /** If `true`, indicates that the corresponding property tag **must** be - * understood if the semantics of the CAA record are to be correctly - * interpreted by an issuer. - * - * Issuers **must not** issue certificates for a domain if the relevant CAA - * Resource Record set contains unknown property tags that have `critical` - * set. */ - critical: boolean; - /** An string that represents the identifier of the property represented by - * the record. */ - tag: string; - /** The value associated with the tag. */ - value: string; - } - - /** If {@linkcode Deno.resolveDns} is called with `"MX"` record type - * specified, it will return an array of objects with this interface. - * - * @category Network */ - export interface MXRecord { - /** A priority value, which is a relative value compared to the other - * preferences of MX records for the domain. */ - preference: number; - /** The server that mail should be delivered to. */ - exchange: string; - } - - /** If {@linkcode Deno.resolveDns} is called with `"NAPTR"` record type - * specified, it will return an array of objects with this interface. - * - * @category Network */ - export interface NAPTRRecord { - order: number; - preference: number; - flags: string; - services: string; - regexp: string; - replacement: string; - } - - /** If {@linkcode Deno.resolveDns} is called with `"SOA"` record type - * specified, it will return an array of objects with this interface. - * - * @category Network */ - export interface SOARecord { - mname: string; - rname: string; - serial: number; - refresh: number; - retry: number; - expire: number; - minimum: number; - } - - /** If {@linkcode Deno.resolveDns} is called with `"SRV"` record type - * specified, it will return an array of objects with this interface. - * - * @category Network - */ - export interface SRVRecord { - priority: number; - weight: number; - port: number; - target: string; - } - - /** - * Performs DNS resolution against the given query, returning resolved - * records. - * - * Fails in the cases such as: - * - * - the query is in invalid format. - * - the options have an invalid parameter. For example `nameServer.port` is - * beyond the range of 16-bit unsigned integer. - * - the request timed out. - * - * ```ts - * const a = await Deno.resolveDns("example.com", "A"); - * - * const aaaa = await Deno.resolveDns("example.com", "AAAA", { - * nameServer: { ipAddr: "8.8.8.8", port: 53 }, - * }); - * ``` - * - * Requires `allow-net` permission. - * - * @tags allow-net - * @category Network - */ - export function resolveDns( - query: string, - recordType: "A" | "AAAA" | "ANAME" | "CNAME" | "NS" | "PTR", - options?: ResolveDnsOptions, - ): Promise<string[]>; - - /** - * Performs DNS resolution against the given query, returning resolved - * records. - * - * Fails in the cases such as: - * - * - the query is in invalid format. - * - the options have an invalid parameter. For example `nameServer.port` is - * beyond the range of 16-bit unsigned integer. - * - the request timed out. - * - * ```ts - * const a = await Deno.resolveDns("example.com", "A"); - * - * const aaaa = await Deno.resolveDns("example.com", "AAAA", { - * nameServer: { ipAddr: "8.8.8.8", port: 53 }, - * }); - * ``` - * - * Requires `allow-net` permission. - * - * @tags allow-net - * @category Network - */ - export function resolveDns( - query: string, - recordType: "CAA", - options?: ResolveDnsOptions, - ): Promise<CAARecord[]>; - - /** - * Performs DNS resolution against the given query, returning resolved - * records. - * - * Fails in the cases such as: - * - * - the query is in invalid format. - * - the options have an invalid parameter. For example `nameServer.port` is - * beyond the range of 16-bit unsigned integer. - * - the request timed out. - * - * ```ts - * const a = await Deno.resolveDns("example.com", "A"); - * - * const aaaa = await Deno.resolveDns("example.com", "AAAA", { - * nameServer: { ipAddr: "8.8.8.8", port: 53 }, - * }); - * ``` - * - * Requires `allow-net` permission. - * - * @tags allow-net - * @category Network - */ - export function resolveDns( - query: string, - recordType: "MX", - options?: ResolveDnsOptions, - ): Promise<MXRecord[]>; - - /** - * Performs DNS resolution against the given query, returning resolved - * records. - * - * Fails in the cases such as: - * - * - the query is in invalid format. - * - the options have an invalid parameter. For example `nameServer.port` is - * beyond the range of 16-bit unsigned integer. - * - the request timed out. - * - * ```ts - * const a = await Deno.resolveDns("example.com", "A"); - * - * const aaaa = await Deno.resolveDns("example.com", "AAAA", { - * nameServer: { ipAddr: "8.8.8.8", port: 53 }, - * }); - * ``` - * - * Requires `allow-net` permission. - * - * @tags allow-net - * @category Network - */ - export function resolveDns( - query: string, - recordType: "NAPTR", - options?: ResolveDnsOptions, - ): Promise<NAPTRRecord[]>; - - /** - * Performs DNS resolution against the given query, returning resolved - * records. - * - * Fails in the cases such as: - * - * - the query is in invalid format. - * - the options have an invalid parameter. For example `nameServer.port` is - * beyond the range of 16-bit unsigned integer. - * - the request timed out. - * - * ```ts - * const a = await Deno.resolveDns("example.com", "A"); - * - * const aaaa = await Deno.resolveDns("example.com", "AAAA", { - * nameServer: { ipAddr: "8.8.8.8", port: 53 }, - * }); - * ``` - * - * Requires `allow-net` permission. - * - * @tags allow-net - * @category Network - */ - export function resolveDns( - query: string, - recordType: "SOA", - options?: ResolveDnsOptions, - ): Promise<SOARecord[]>; - - /** - * Performs DNS resolution against the given query, returning resolved - * records. - * - * Fails in the cases such as: - * - * - the query is in invalid format. - * - the options have an invalid parameter. For example `nameServer.port` is - * beyond the range of 16-bit unsigned integer. - * - the request timed out. - * - * ```ts - * const a = await Deno.resolveDns("example.com", "A"); - * - * const aaaa = await Deno.resolveDns("example.com", "AAAA", { - * nameServer: { ipAddr: "8.8.8.8", port: 53 }, - * }); - * ``` - * - * Requires `allow-net` permission. - * - * @tags allow-net - * @category Network - */ - export function resolveDns( - query: string, - recordType: "SRV", - options?: ResolveDnsOptions, - ): Promise<SRVRecord[]>; - - /** - * Performs DNS resolution against the given query, returning resolved - * records. - * - * Fails in the cases such as: - * - * - the query is in invalid format. - * - the options have an invalid parameter. For example `nameServer.port` is - * beyond the range of 16-bit unsigned integer. - * - the request timed out. - * - * ```ts - * const a = await Deno.resolveDns("example.com", "A"); - * - * const aaaa = await Deno.resolveDns("example.com", "AAAA", { - * nameServer: { ipAddr: "8.8.8.8", port: 53 }, - * }); - * ``` - * - * Requires `allow-net` permission. - * - * @tags allow-net - * @category Network - */ - export function resolveDns( - query: string, - recordType: "TXT", - options?: ResolveDnsOptions, - ): Promise<string[][]>; - - /** - * Performs DNS resolution against the given query, returning resolved - * records. - * - * Fails in the cases such as: - * - * - the query is in invalid format. - * - the options have an invalid parameter. For example `nameServer.port` is - * beyond the range of 16-bit unsigned integer. - * - the request timed out. - * - * ```ts - * const a = await Deno.resolveDns("example.com", "A"); - * - * const aaaa = await Deno.resolveDns("example.com", "AAAA", { - * nameServer: { ipAddr: "8.8.8.8", port: 53 }, - * }); - * ``` - * - * Requires `allow-net` permission. - * - * @tags allow-net - * @category Network - */ - export function resolveDns( - query: string, - recordType: RecordType, - options?: ResolveDnsOptions, - ): Promise< - | string[] - | CAARecord[] - | MXRecord[] - | NAPTRRecord[] - | SOARecord[] - | SRVRecord[] - | string[][] - >; - - /** - * Make the timer of the given `id` block the event loop from finishing. - * - * @category Timers - */ - export function refTimer(id: number): void; - - /** - * Make the timer of the given `id` not block the event loop from finishing. - * - * @category Timers - */ - export function unrefTimer(id: number): void; - - /** - * Returns the user id of the process on POSIX platforms. Returns null on Windows. - * - * ```ts - * console.log(Deno.uid()); - * ``` - * - * Requires `allow-sys` permission. - * - * @tags allow-sys - * @category Runtime Environment - */ - export function uid(): number | null; - - /** - * Returns the group id of the process on POSIX platforms. Returns null on windows. - * - * ```ts - * console.log(Deno.gid()); - * ``` - * - * Requires `allow-sys` permission. - * - * @tags allow-sys - * @category Runtime Environment - */ - export function gid(): number | null; -} |