foster/denoland-deno
1
0
Fork 0
mirror of https://github.com/denoland/deno.git synced 2024-11-04 08:54:20 -05:00
Code Issues Wiki Activity
denoland-deno/cli/js/lib.deno_runtime.d.ts
Luca Casonato b71d5708c6 feat: Deno.create (#3629)
2020-01-08 17:07:03 -05:00

3490 lines
119 KiB
TypeScript
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
/* eslint-disable @typescript-eslint/no-explicit-any */
/* eslint-disable @typescript-eslint/no-empty-interface */
/// <reference no-default-lib="true" />
/// <reference lib="esnext" />
declare namespace Deno {
// @url js/os.d.ts
/** The current process id of the runtime. */
export let pid: number;
/** Reflects the NO_COLOR environment variable: https://no-color.org/ */
export let noColor: boolean;
/** Check if running in terminal.
*
* console.log(Deno.isTTY().stdout);
*/
export function isTTY(): {
stdin: boolean;
stdout: boolean;
stderr: boolean;
};
/** Get the hostname.
* Requires the `--allow-env` flag.
*
* console.log(Deno.hostname());
*/
export function hostname(): string;
/** Exit the Deno process with optional exit code. */
export function exit(code?: number): never;
/** Returns a snapshot of the environment variables at invocation. Mutating a
* property in the object will set that variable in the environment for
* the process. The environment object will only accept `string`s
* as values.
*
* const myEnv = Deno.env();
* console.log(myEnv.SHELL);
* myEnv.TEST_VAR = "HELLO";
* const newEnv = Deno.env();
* console.log(myEnv.TEST_VAR == newEnv.TEST_VAR);
*/
export function env(): {
[index: string]: string;
};
/** Returns the value of an environment variable at invocation.
* If the variable is not present, `undefined` will be returned.
*
* const myEnv = Deno.env();
* console.log(myEnv.SHELL);
* myEnv.TEST_VAR = "HELLO";
* const newEnv = Deno.env();
* console.log(myEnv.TEST_VAR == newEnv.TEST_VAR);
*/
export function env(key: string): string | undefined;
export type DirKind =
| "home"
| "cache"
| "config"
| "executable"
| "data"
| "data_local"
| "audio"
| "desktop"
| "document"
| "download"
| "font"
| "picture"
| "public"
| "template"
| "video";
/**
* Returns the user and platform specific directories.
* Requires the `--allow-env` flag.
* Returns null if there is no applicable directory or if any other error
* occurs.
*
* Argument values: "home", "cache", "config", "executable", "data",
* "data_local", "audio", "desktop", "document", "download", "font", "picture",
* "public", "template", "video"
*
* "cache"
* |Platform | Value | Example |
* | ------- | ----------------------------------- | ---------------------------- |
* | Linux | `$XDG_CACHE_HOME` or `$HOME`/.cache | /home/alice/.cache |
* | macOS | `$HOME`/Library/Caches | /Users/Alice/Library/Caches |
* | Windows | `{FOLDERID_LocalAppData}` | C:\Users\Alice\AppData\Local |
*
* "config"
* |Platform | Value | Example |
* | ------- | ------------------------------------- | -------------------------------- |
* | Linux | `$XDG_CONFIG_HOME` or `$HOME`/.config | /home/alice/.config |
* | macOS | `$HOME`/Library/Preferences | /Users/Alice/Library/Preferences |
* | Windows | `{FOLDERID_RoamingAppData}` | C:\Users\Alice\AppData\Roaming |
*
* "executable"
* |Platform | Value | Example |
* | ------- | --------------------------------------------------------------- | -----------------------|
* | Linux | `XDG_BIN_HOME` or `$XDG_DATA_HOME`/../bin or `$HOME`/.local/bin | /home/alice/.local/bin |
* | macOS | - | - |
* | Windows | - | - |
*
* "data"
* |Platform | Value | Example |
* | ------- | ---------------------------------------- | ---------------------------------------- |
* | Linux | `$XDG_DATA_HOME` or `$HOME`/.local/share | /home/alice/.local/share |
* | macOS | `$HOME`/Library/Application Support | /Users/Alice/Library/Application Support |
* | Windows | `{FOLDERID_RoamingAppData}` | C:\Users\Alice\AppData\Roaming |
*
* "data_local"
* |Platform | Value | Example |
* | ------- | ---------------------------------------- | ---------------------------------------- |
* | Linux | `$XDG_DATA_HOME` or `$HOME`/.local/share | /home/alice/.local/share |
* | macOS | `$HOME`/Library/Application Support | /Users/Alice/Library/Application Support |
* | Windows | `{FOLDERID_LocalAppData}` | C:\Users\Alice\AppData\Local |
*
* "audio"
* |Platform | Value | Example |
* | ------- | ------------------ | -------------------- |
* | Linux | `XDG_MUSIC_DIR` | /home/alice/Music |
* | macOS | `$HOME`/Music | /Users/Alice/Music |
* | Windows | `{FOLDERID_Music}` | C:\Users\Alice\Music |
*
* "desktop"
* |Platform | Value | Example |
* | ------- | -------------------- | ---------------------- |
* | Linux | `XDG_DESKTOP_DIR` | /home/alice/Desktop |
* | macOS | `$HOME`/Desktop | /Users/Alice/Desktop |
* | Windows | `{FOLDERID_Desktop}` | C:\Users\Alice\Desktop |
*
* "document"
* |Platform | Value | Example |
* | ------- | ---------------------- | ------------------------ |
* | Linux | `XDG_DOCUMENTS_DIR` | /home/alice/Documents |
* | macOS | `$HOME`/Documents | /Users/Alice/Documents |
* | Windows | `{FOLDERID_Documents}` | C:\Users\Alice\Documents |
*
* "download"
* |Platform | Value | Example |
* | ------- | ---------------------- | ------------------------ |
* | Linux | `XDG_DOWNLOAD_DIR` | /home/alice/Downloads |
* | macOS | `$HOME`/Downloads | /Users/Alice/Downloads |
* | Windows | `{FOLDERID_Downloads}` | C:\Users\Alice\Downloads |
*
* "font"
* |Platform | Value | Example |
* | ------- | ---------------------------------------------------- | ------------------------------ |
* | Linux | `$XDG_DATA_HOME`/fonts or `$HOME`/.local/share/fonts | /home/alice/.local/share/fonts |
* | macOS | `$HOME/Library/Fonts` | /Users/Alice/Library/Fonts |
* | Windows | – | – |
*
* "picture"
* |Platform | Value | Example |
* | ------- | --------------------- | ----------------------- |
* | Linux | `XDG_PICTURES_DIR` | /home/alice/Pictures |
* | macOS | `$HOME`/Pictures | /Users/Alice/Pictures |
* | Windows | `{FOLDERID_Pictures}` | C:\Users\Alice\Pictures |
*
* "public"
* |Platform | Value | Example |
* | ------- | --------------------- | ------------------- |
* | Linux | `XDG_PUBLICSHARE_DIR` | /home/alice/Public |
* | macOS | `$HOME`/Public | /Users/Alice/Public |
* | Windows | `{FOLDERID_Public}` | C:\Users\Public |
*
* "template"
* |Platform | Value | Example |
* | ------- | ---------------------- | ---------------------------------------------------------- |
* | Linux | `XDG_TEMPLATES_DIR` | /home/alice/Templates |
* | macOS | – | – |
* | Windows | `{FOLDERID_Templates}` | C:\Users\Alice\AppData\Roaming\Microsoft\Windows\Templates |
*
* "video"
* |Platform | Value | Example |
* | ------- | ------------------- | --------------------- |
* | Linux | `XDG_VIDEOS_DIR` | /home/alice/Videos |
* | macOS | `$HOME`/Movies | /Users/Alice/Movies |
* | Windows | `{FOLDERID_Videos}` | C:\Users\Alice\Videos |
*/
export function dir(kind: DirKind): string | null;
/**
* Returns the path to the current deno executable.
* Requires the `--allow-env` flag.
*/
export function execPath(): string;
// @url js/dir.d.ts
/**
* `cwd()` 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.
* throws `NotFound` exception if directory not available
*/
export function cwd(): string;
/**
* `chdir()` Change the current working directory to path.
* throws `NotFound` exception if directory not available
*/
export function chdir(directory: string): void;
// @url js/io.d.ts
export const EOF: unique symbol;
export type EOF = typeof EOF;
export enum SeekMode {
SEEK_START = 0,
SEEK_CURRENT = 1,
SEEK_END = 2
}
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()` 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, `read()` conventionally returns what is available
* instead of waiting for more.
*
* When `read()` encounters end-of-file condition, it returns EOF symbol.
*
* When `read()` encounters an error, it rejects with an error.
*
* Callers should always process the `n` > `0` bytes returned before
* considering the EOF. Doing so correctly handles I/O errors that happen
* after reading some bytes and also both of the allowed EOF behaviors.
*
* Implementations must not retain `p`.
*/
read(p: Uint8Array): Promise<number | EOF>;
}
export interface SyncReader {
readSync(p: Uint8Array): number | EOF;
}
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`) and any error encountered that caused the write to stop
* early. `write()` must return a non-null error if it returns `n` <
* `p.byteLength`. write() must not modify the slice data, even temporarily.
*
* Implementations must not retain `p`.
*/
write(p: Uint8Array): Promise<number>;
}
export interface SyncWriter {
writeSync(p: Uint8Array): number;
}
export interface Closer {
close(): void;
}
export interface Seeker {
/** Seek sets the offset for the next `read()` or `write()` to offset,
* interpreted according to `whence`: `SeekStart` means relative to the start
* of the file, `SeekCurrent` means relative to the current offset, and
* `SeekEnd` means relative to the end. Seek returns the new offset relative
* to the start of the file and an error, if any.
*
* 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.
*/
seek(offset: number, whence: SeekMode): Promise<void>;
}
export interface SyncSeeker {
seekSync(offset: number, whence: SeekMode): void;
}
export interface ReadCloser extends Reader, Closer {}
export interface WriteCloser extends Writer, Closer {}
export interface ReadSeeker extends Reader, Seeker {}
export interface WriteSeeker extends Writer, Seeker {}
export interface ReadWriteCloser extends Reader, Writer, Closer {}
export interface ReadWriteSeeker extends Reader, Writer, Seeker {}
/** Copies from `src` to `dst` until either `EOF` is reached on `src`
* or an error occurs. It returns the number of bytes copied and the first
* error encountered while copying, if any.
*
* Because `copy()` is defined to read from `src` until `EOF`, it does not
* treat an `EOF` from `read()` as an error to be reported.
*/
export function copy(dst: Writer, src: Reader): Promise<number>;
/** Turns `r` into async iterator.
*
* for await (const chunk of toAsyncIterator(reader)) {
* console.log(chunk)
* }
*/
export function toAsyncIterator(r: Reader): AsyncIterableIterator<Uint8Array>;
// @url js/files.d.ts
/** Open a file and return an instance of the `File` object
* synchronously.
*
* const file = Deno.openSync("/foo/bar.txt");
*/
export function openSync(filename: string, mode?: OpenMode): File;
/** Open a file and return an instance of the `File` object.
*
* (async () => {
* const file = await Deno.open("/foo/bar.txt");
* })();
*/
export function open(filename: string, mode?: OpenMode): Promise<File>;
/** Creates a file if none exists or truncates an existing file and returns
* an instance of the `File` object synchronously.
*
* const file = Deno.createSync("/foo/bar.txt");
*/
export function createSync(filename: string): File;
/** Creates a file if none exists or truncates an existing file and returns
* an instance of the `File` object.
*
* const file = await Deno.create("/foo/bar.txt");
*/
export function create(filename: string): Promise<File>;
/** Read synchronously from a file ID into an array buffer.
*
* Return `number | EOF` for the operation.
*
* const file = Deno.openSync("/foo/bar.txt");
* const buf = new Uint8Array(100);
* const nread = Deno.readSync(file.rid, buf);
* const text = new TextDecoder().decode(buf);
*
*/
export function readSync(rid: number, p: Uint8Array): number | EOF;
/** Read from a file ID into an array buffer.
*
* Resolves with the `number | EOF` for the operation.
*
* (async () => {
* const file = await Deno.open("/foo/bar.txt");
* const buf = new Uint8Array(100);
* const nread = await Deno.read(file.rid, buf);
* const text = new TextDecoder().decode(buf);
* })();
*/
export function read(rid: number, p: Uint8Array): Promise<number | EOF>;
/** Write synchronously to the file ID the contents of the array buffer.
*
* Resolves with the number of bytes written.
*
* const encoder = new TextEncoder();
* const data = encoder.encode("Hello world\n");
* const file = Deno.openSync("/foo/bar.txt");
* Deno.writeSync(file.rid, data);
*/
export function writeSync(rid: number, p: Uint8Array): number;
/** Write to the file ID the contents of the array buffer.
*
* Resolves with the number of bytes written.
*
* (async () => {
* const encoder = new TextEncoder();
* const data = encoder.encode("Hello world\n");
* const file = await Deno.open("/foo/bar.txt");
* await Deno.write(file.rid, data);
* })();
*
*/
export function write(rid: number, p: Uint8Array): Promise<number>;
/** Seek a file ID synchronously to the given offset under mode given by `whence`.
*
* const file = Deno.openSync("/foo/bar.txt");
* Deno.seekSync(file.rid, 0, 0);
*/
export function seekSync(rid: number, offset: number, whence: SeekMode): void;
/** Seek a file ID to the given offset under mode given by `whence`.
*
* (async () => {
* const file = await Deno.open("/foo/bar.txt");
* await Deno.seek(file.rid, 0, 0);
* })();
*/
export function seek(
rid: number,
offset: number,
whence: SeekMode
): Promise<void>;
/** Close the file ID. */
export function close(rid: number): void;
/** The Deno abstraction for reading and writing files. */
export class File
implements
Reader,
SyncReader,
Writer,
SyncWriter,
Seeker,
SyncSeeker,
Closer {
readonly rid: number;
constructor(rid: number);
write(p: Uint8Array): Promise<number>;
writeSync(p: Uint8Array): number;
read(p: Uint8Array): Promise<number | EOF>;
readSync(p: Uint8Array): number | EOF;
seek(offset: number, whence: SeekMode): Promise<void>;
seekSync(offset: number, whence: SeekMode): void;
close(): void;
}
/** An instance of `File` for stdin. */
export const stdin: File;
/** An instance of `File` for stdout. */
export const stdout: File;
/** An instance of `File` for stderr. */
export const stderr: File;
export type OpenMode =
| "r"
/** Read-write. Start at beginning of file. */
| "r+"
/** Write-only. Opens and truncates existing file or creates new one for
* writing only.
*/
| "w"
/** Read-write. Opens and truncates existing file or creates new one for
* writing and reading.
*/
| "w+"
/** Write-only. Opens existing file or creates new one. Each write appends
* content to the end of file.
*/
| "a"
/** Read-write. Behaves like "a" and allows to read from file. */
| "a+"
/** Write-only. Exclusive create - creates new file only if one doesn't exist
* already.
*/
| "x"
/** Read-write. Behaves like `x` and allows to read from file. */
| "x+";
// @url js/buffer.d.ts
/** A Buffer is a variable-sized buffer of bytes with read() and write()
* methods. Based on https://golang.org/pkg/bytes/#Buffer
*/
export class Buffer implements Reader, SyncReader, Writer, SyncWriter {
private buf;
private off;
constructor(ab?: ArrayBuffer);
/** bytes() 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()). 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.
*/
bytes(): Uint8Array;
/** toString() returns the contents of the unread portion of the buffer
* as a string. Warning - if multibyte characters are present when data is
* flowing through the buffer, this method may result in incorrect strings
* due to a character being split.
*/
toString(): string;
/** empty() returns whether the unread portion of the buffer is empty. */
empty(): boolean;
/** length is a getter that returns the number of bytes of the unread
* portion of the buffer
*/
readonly length: number;
/** Returns the capacity of the buffer's underlying byte slice, that is,
* the total space allocated for the buffer's data.
*/
readonly capacity: number;
/** truncate() 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;
/** reset() 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;
/** _tryGrowByReslice() is a version of grow for the fast-case
* where the internal buffer only needs to be resliced. It returns the index
* where bytes should be written and whether it succeeded.
* It returns -1 if a reslice was not needed.
*/
private _tryGrowByReslice;
private _reslice;
/** readSync() reads the next len(p) bytes from the buffer or until the buffer
* is drained. The return value n is the number of bytes read. If the
* buffer has no data to return, eof in the response will be true.
*/
readSync(p: Uint8Array): number | EOF;
read(p: Uint8Array): Promise<number | EOF>;
writeSync(p: Uint8Array): number;
write(p: Uint8Array): Promise<number>;
/** _grow() grows the buffer to guarantee space for n more bytes.
* It returns the index where bytes should be written.
* If the buffer can't grow it will throw with ErrTooLarge.
*/
private _grow;
/** grow() 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 panic. If
* the buffer can't grow it will throw ErrTooLarge.
* Based on https://golang.org/pkg/bytes/#Buffer.Grow
*/
grow(n: number): void;
/** readFrom() reads data from r until EOF and appends it to the buffer,
* growing the buffer as needed. It returns the number of bytes read. If the
* buffer becomes too large, readFrom will panic with ErrTooLarge.
* Based on https://golang.org/pkg/bytes/#Buffer.ReadFrom
*/
readFrom(r: Reader): Promise<number>;
/** Sync version of `readFrom`
*/
readFromSync(r: SyncReader): number;
}
/** Read `r` until EOF and return the content as `Uint8Array`.
*/
export function readAll(r: Reader): Promise<Uint8Array>;
/** Read synchronously `r` until EOF and return the content as `Uint8Array`.
*/
export function readAllSync(r: SyncReader): Uint8Array;
/** Write all the content of `arr` to `w`.
*/
export function writeAll(w: Writer, arr: Uint8Array): Promise<void>;
/** Write synchronously all the content of `arr` to `w`.
*/
export function writeAllSync(w: SyncWriter, arr: Uint8Array): void;
// @url js/mkdir.d.ts
export interface MkdirOption {
recursive?: boolean;
mode?: number;
}
/** Creates a new directory with the specified path synchronously.
* If `recursive` is set to true, nested directories will be created (also known
* as "mkdir -p").
* `mode` sets permission bits (before umask) on UNIX and does nothing on
* Windows.
*
* Deno.mkdirSync("new_dir");
* Deno.mkdirSync("nested/directories", { recursive: true });
*/
export function mkdirSync(path: string, options?: MkdirOption): void;
/** Deprecated */
export function mkdirSync(
path: string,
recursive?: boolean,
mode?: number
): void;
/** Creates a new directory with the specified path.
* If `recursive` is set to true, nested directories will be created (also known
* as "mkdir -p").
* `mode` sets permission bits (before umask) on UNIX and does nothing on
* Windows.
*
* await Deno.mkdir("new_dir");
* await Deno.mkdir("nested/directories", { recursive: true });
*/
export function mkdir(path: string, options?: MkdirOption): Promise<void>;
/** Deprecated */
export function mkdir(
path: string,
recursive?: boolean,
mode?: number
): Promise<void>;
// @url js/make_temp_dir.d.ts
export interface MakeTempDirOptions {
dir?: string;
prefix?: string;
suffix?: string;
}
/** makeTempDirSync is the synchronous version of `makeTempDir`.
*
* const tempDirName0 = Deno.makeTempDirSync();
* const tempDirName1 = Deno.makeTempDirSync({ prefix: 'my_temp' });
*/
export function makeTempDirSync(options?: MakeTempDirOptions): string;
/** makeTempDir creates a new temporary directory in the directory `dir`, its
* name beginning with `prefix` and ending with `suffix`.
* It returns the full path to the newly created directory.
* If `dir` is unspecified, tempDir uses the default directory for temporary
* files. Multiple programs calling tempDir simultaneously will not choose the
* same directory. It is the caller's responsibility to remove the directory
* when no longer needed.
*
* const tempDirName0 = await Deno.makeTempDir();
* const tempDirName1 = await Deno.makeTempDir({ prefix: 'my_temp' });
*/
export function makeTempDir(options?: MakeTempDirOptions): Promise<string>;
// @url js/chmod.d.ts
/** Changes the permission of a specific file/directory of specified path
* synchronously.
*
* Deno.chmodSync("/path/to/file", 0o666);
*/
export function chmodSync(path: string, mode: number): void;
/** Changes the permission of a specific file/directory of specified path.
*
* await Deno.chmod("/path/to/file", 0o666);
*/
export function chmod(path: string, mode: number): Promise<void>;
// @url js/chown.d.ts
/**
* Change owner of a regular file or directory synchronously. Unix only at the moment.
* @param path path to the file
* @param uid user id of the new owner
* @param gid group id of the new owner
*/
export function chownSync(path: string, uid: number, gid: number): void;
/**
* Change owner of a regular file or directory asynchronously. Unix only at the moment.
* @param path path to the file
* @param uid user id of the new owner
* @param gid group id of the new owner
*/
export function chown(path: string, uid: number, gid: number): Promise<void>;
// @url js/utime.d.ts
/** Synchronously changes the access and modification times of a file system
* object referenced by `filename`. Given times are either in seconds
* (Unix epoch time) or as `Date` objects.
*
* Deno.utimeSync("myfile.txt", 1556495550, new Date());
*/
export function utimeSync(
filename: string,
atime: number | Date,
mtime: number | Date
): void;
/** Changes the access and modification times of a file system object
* referenced by `filename`. Given times are either in seconds
* (Unix epoch time) or as `Date` objects.
*
* await Deno.utime("myfile.txt", 1556495550, new Date());
*/
export function utime(
filename: string,
atime: number | Date,
mtime: number | Date
): Promise<void>;
// @url js/remove.d.ts
export interface RemoveOption {
recursive?: boolean;
}
/** Removes the named file or directory synchronously. Would throw
* error if permission denied, not found, or directory not empty if `recursive`
* set to false.
* `recursive` is set to false by default.
*
* Deno.removeSync("/path/to/dir/or/file", {recursive: false});
*/
export function removeSync(path: string, options?: RemoveOption): void;
/** Removes the named file or directory. Would throw error if
* permission denied, not found, or directory not empty if `recursive` set
* to false.
* `recursive` is set to false by default.
*
* await Deno.remove("/path/to/dir/or/file", {recursive: false});
*/
export function remove(path: string, options?: RemoveOption): Promise<void>;
// @url js/rename.d.ts
/** Synchronously renames (moves) `oldpath` to `newpath`. 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.
*
* Deno.renameSync("old/path", "new/path");
*/
export function renameSync(oldpath: string, newpath: string): void;
/** Renames (moves) `oldpath` to `newpath`. 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.
*
* await Deno.rename("old/path", "new/path");
*/
export function rename(oldpath: string, newpath: string): Promise<void>;
// @url js/read_file.d.ts
/** Read the entire contents of a file synchronously.
*
* const decoder = new TextDecoder("utf-8");
* const data = Deno.readFileSync("hello.txt");
* console.log(decoder.decode(data));
*/
export function readFileSync(filename: string): Uint8Array;
/** Read the entire contents of a file.
*
* const decoder = new TextDecoder("utf-8");
* const data = await Deno.readFile("hello.txt");
* console.log(decoder.decode(data));
*/
export function readFile(filename: string): Promise<Uint8Array>;
// @url js/file_info.d.ts
/** A FileInfo describes a file and is returned by `stat`, `lstat`,
* `statSync`, `lstatSync`.
*/
export interface FileInfo {
/** The size of the file, in bytes. */
len: number;
/** The last modification time of the file. This corresponds to the `mtime`
* field from `stat` on Unix and `ftLastWriteTime` on Windows. This may not
* be available on all platforms.
*/
modified: number | 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.
*/
accessed: number | null;
/** The last access time of the file. This corresponds to the `birthtime`
* field from `stat` on Unix and `ftCreationTime` on Windows. This may not
* be available on all platforms.
*/
created: number | null;
/** The underlying raw st_mode bits that contain the standard Unix permissions
* for this file/directory. TODO Match behavior with Go on windows for mode.
*/
mode: number | null;
/** The file or directory name. */
name: string | null;
/** Returns whether this is info for a regular file. This result is mutually
* exclusive to `FileInfo.isDirectory` and `FileInfo.isSymlink`.
*/
isFile(): boolean;
/** Returns whether this is info for a regular directory. This result is
* mutually exclusive to `FileInfo.isFile` and `FileInfo.isSymlink`.
*/
isDirectory(): boolean;
/** Returns whether this is info for a symlink. This result is
* mutually exclusive to `FileInfo.isFile` and `FileInfo.isDirectory`.
*/
isSymlink(): boolean;
}
// @url js/realpath.d.ts
/** Returns absolute normalized path with symbolic links resolved
* synchronously.
*
* const realPath = Deno.realpathSync("./some/path");
*/
export function realpathSync(path: string): string;
/** Returns absolute normalized path with symbolic links resolved.
*
* const realPath = await Deno.realpath("./some/path");
*/
export function realpath(path: string): Promise<string>;
// @url js/read_dir.d.ts
/** Reads the directory given by path and returns a list of file info
* synchronously.
*
* const files = Deno.readDirSync("/");
*/
export function readDirSync(path: string): FileInfo[];
/** Reads the directory given by path and returns a list of file info.
*
* const files = await Deno.readDir("/");
*/
export function readDir(path: string): Promise<FileInfo[]>;
// @url js/copy_file.d.ts
/** Copies the contents of a file to another by name synchronously.
* Creates a new file if target does not exists, and if target exists,
* overwrites original content of the target file.
*
* It would also copy the permission of the original file
* to the destination.
*
* Deno.copyFileSync("from.txt", "to.txt");
*/
export function copyFileSync(from: string, to: string): void;
/** Copies the contents of a file to another by name.
*
* Creates a new file if target does not exists, and if target exists,
* overwrites original content of the target file.
*
* It would also copy the permission of the original file
* to the destination.
*
* await Deno.copyFile("from.txt", "to.txt");
*/
export function copyFile(from: string, to: string): Promise<void>;
// @url js/read_link.d.ts
/** Returns the destination of the named symbolic link synchronously.
*
* const targetPath = Deno.readlinkSync("symlink/path");
*/
export function readlinkSync(name: string): string;
/** Returns the destination of the named symbolic link.
*
* const targetPath = await Deno.readlink("symlink/path");
*/
export function readlink(name: string): Promise<string>;
// @url js/stat.d.ts
interface StatResponse {
isFile: boolean;
isSymlink: boolean;
len: number;
modified: number;
accessed: number;
created: number;
mode: number;
hasMode: boolean;
name: string | null;
}
/** Queries the file system for information on the path provided. If the given
* path is a symlink information about the symlink will be returned.
*
* const fileInfo = await Deno.lstat("hello.txt");
* assert(fileInfo.isFile());
*/
export function lstat(filename: string): Promise<FileInfo>;
/** Queries the file system for information on the path provided synchronously.
* If the given path is a symlink information about the symlink will be
* returned.
*
* const fileInfo = Deno.lstatSync("hello.txt");
* assert(fileInfo.isFile());
*/
export function lstatSync(filename: string): FileInfo;
/** Queries the file system for information on the path provided. `stat` Will
* always follow symlinks.
*
* const fileInfo = await Deno.stat("hello.txt");
* assert(fileInfo.isFile());
*/
export function stat(filename: string): Promise<FileInfo>;
/** Queries the file system for information on the path provided synchronously.
* `statSync` Will always follow symlinks.
*
* const fileInfo = Deno.statSync("hello.txt");
* assert(fileInfo.isFile());
*/
export function statSync(filename: string): FileInfo;
// @url js/link.d.ts
/** Synchronously creates `newname` as a hard link to `oldname`.
*
* Deno.linkSync("old/name", "new/name");
*/
export function linkSync(oldname: string, newname: string): void;
/** Creates `newname` as a hard link to `oldname`.
*
* await Deno.link("old/name", "new/name");
*/
export function link(oldname: string, newname: string): Promise<void>;
// @url js/symlink.d.ts
/** Synchronously creates `newname` as a symbolic link to `oldname`. The type
* argument can be set to `dir` or `file` and is only available on Windows
* (ignored on other platforms).
*
* Deno.symlinkSync("old/name", "new/name");
*/
export function symlinkSync(
oldname: string,
newname: string,
type?: string
): void;
/** Creates `newname` as a symbolic link to `oldname`. The type argument can be
* set to `dir` or `file` and is only available on Windows (ignored on other
* platforms).
*
* await Deno.symlink("old/name", "new/name");
*/
export function symlink(
oldname: string,
newname: string,
type?: string
): Promise<void>;
// @url js/write_file.d.ts
/** Options for writing to a file.
* `perm` would change the file's permission if set.
* `create` decides if the file should be created if not exists (default: true)
* `append` decides if the file should be appended (default: false)
*/
export interface WriteFileOptions {
perm?: number;
create?: boolean;
append?: boolean;
}
/** Write a new file, with given filename and data synchronously.
*
* const encoder = new TextEncoder();
* const data = encoder.encode("Hello world\n");
* Deno.writeFileSync("hello.txt", data);
*/
export function writeFileSync(
filename: string,
data: Uint8Array,
options?: WriteFileOptions
): void;
/** Write a new file, with given filename and data.
*
* const encoder = new TextEncoder();
* const data = encoder.encode("Hello world\n");
* await Deno.writeFile("hello.txt", data);
*/
export function writeFile(
filename: string,
data: Uint8Array,
options?: WriteFileOptions
): Promise<void>;
// @url js/error_stack.d.ts
interface Location {
/** The full url for the module, e.g. `file://some/file.ts` or
* `https://some/file.ts`. */
filename: string;
/** The line number in the file. It is assumed to be 1-indexed. */
line: number;
/** The column number in the file. It is assumed to be 1-indexed. */
column: number;
}
/** Given a current location in a module, lookup the source location and
* return it.
*
* When Deno transpiles code, it keep source maps of the transpiled code. This
* function can be used to lookup the original location. This is automatically
* done when accessing the `.stack` of an error, or when an uncaught error is
* logged. This function can be used to perform the lookup for creating better
* error handling.
*
* **Note:** `line` and `column` are 1 indexed, which matches display
* expectations, but is not typical of most index numbers in Deno.
*
* An example:
*
* const orig = Deno.applySourceMap({
* location: "file://my/module.ts",
* line: 5,
* column: 15
* });
* console.log(`${orig.filename}:${orig.line}:${orig.column}`);
*
*/
export function applySourceMap(location: Location): Location;
// @url js/errors.d.ts
/** A Deno specific error. The `kind` property is set to a specific error code
* which can be used to in application logic.
*
* try {
* somethingThatMightThrow();
* } catch (e) {
* if (
* e instanceof Deno.DenoError &&
* e.kind === Deno.ErrorKind.Overflow
* ) {
* console.error("Overflow error!");
* }
* }
*
*/
export class DenoError<T extends ErrorKind> extends Error {
readonly kind: T;
constructor(kind: T, msg: string);
}
export enum ErrorKind {
NoError = 0,
NotFound = 1,
PermissionDenied = 2,
ConnectionRefused = 3,
ConnectionReset = 4,
ConnectionAborted = 5,
NotConnected = 6,
AddrInUse = 7,
AddrNotAvailable = 8,
BrokenPipe = 9,
AlreadyExists = 10,
WouldBlock = 11,
InvalidInput = 12,
InvalidData = 13,
TimedOut = 14,
Interrupted = 15,
WriteZero = 16,
Other = 17,
UnexpectedEof = 18,
BadResource = 19,
CommandFailed = 20,
EmptyHost = 21,
IdnaError = 22,
InvalidPort = 23,
InvalidIpv4Address = 24,
InvalidIpv6Address = 25,
InvalidDomainCharacter = 26,
RelativeUrlWithoutBase = 27,
RelativeUrlWithCannotBeABaseBase = 28,
SetHostOnCannotBeABaseUrl = 29,
Overflow = 30,
HttpUser = 31,
HttpClosed = 32,
HttpCanceled = 33,
HttpParse = 34,
HttpOther = 35,
TooLarge = 36,
InvalidUri = 37,
InvalidSeekMode = 38,
OpNotAvailable = 39,
WorkerInitFailed = 40,
UnixError = 41,
NoAsyncSupport = 42,
NoSyncSupport = 43,
ImportMapError = 44,
InvalidPath = 45,
ImportPrefixMissing = 46,
UnsupportedFetchScheme = 47,
TooManyRedirects = 48,
Diagnostic = 49,
JSError = 50
}
// @url js/permissions.d.ts
/** Permissions as granted by the caller
* See: https://w3c.github.io/permissions/#permission-registry
*/
export type PermissionName =
| "run"
| "read"
| "write"
| "net"
| "env"
| "plugin"
| "hrtime";
/** https://w3c.github.io/permissions/#status-of-a-permission */
export type PermissionState = "granted" | "denied" | "prompt";
interface RunPermissionDescriptor {
name: "run";
}
interface ReadWritePermissionDescriptor {
name: "read" | "write";
path?: string;
}
interface NetPermissionDescriptor {
name: "net";
url?: string;
}
interface EnvPermissionDescriptor {
name: "env";
}
interface PluginPermissionDescriptor {
name: "plugin";
}
interface HrtimePermissionDescriptor {
name: "hrtime";
}
/** See: https://w3c.github.io/permissions/#permission-descriptor */
type PermissionDescriptor =
| RunPermissionDescriptor
| ReadWritePermissionDescriptor
| NetPermissionDescriptor
| EnvPermissionDescriptor
| PluginPermissionDescriptor
| HrtimePermissionDescriptor;
export class Permissions {
/** Queries the permission.
* const status = await Deno.permissions.query({ name: "read", path: "/etc" });
* if (status.state === "granted") {
* data = await Deno.readFile("/etc/passwd");
* }
*/
query(d: PermissionDescriptor): Promise<PermissionStatus>;
/** Revokes the permission.
* const status = await Deno.permissions.revoke({ name: "run" });
* assert(status.state !== "granted")
*/
revoke(d: PermissionDescriptor): Promise<PermissionStatus>;
/** Requests the permission.
* const status = await Deno.permissions.request({ name: "env" });
* if (status.state === "granted") {
* console.log(Deno.homeDir());
* } else {
* console.log("'env' permission is denied.");
* }
*/
request(desc: PermissionDescriptor): Promise<PermissionStatus>;
}
export const permissions: Permissions;
/** https://w3c.github.io/permissions/#permissionstatus */
export class PermissionStatus {
state: PermissionState;
constructor(state: PermissionState);
}
// @url js/truncate.d.ts
/** Truncates or extends the specified file synchronously, updating the size of
* this file to become size.
*
* Deno.truncateSync("hello.txt", 10);
*/
export function truncateSync(name: string, len?: number): void;
/**
* Truncates or extends the specified file, updating the size of this file to
* become size.
*
* await Deno.truncate("hello.txt", 10);
*/
export function truncate(name: string, len?: number): Promise<void>;
// @url js/plugins.d.ts
export interface AsyncHandler {
(msg: Uint8Array): void;
}
export interface PluginOp {
dispatch(
control: Uint8Array,
zeroCopy?: ArrayBufferView | null
): Uint8Array | null;
setAsyncHandler(handler: AsyncHandler): void;
}
export interface Plugin {
ops: {
[name: string]: PluginOp;
};
}
/** Open and initalize a plugin.
* Requires the `--allow-plugin` flag.
*
* const plugin = Deno.openPlugin("./path/to/some/plugin.so");
* const some_op = plugin.ops.some_op;
* const response = some_op.dispatch(new Uint8Array([1,2,3,4]));
* console.log(`Response from plugin ${response}`);
*/
export function openPlugin(filename: string): Plugin;
// @url js/net.d.ts
type Transport = "tcp";
interface Addr {
transport: Transport;
address: string;
}
export enum ShutdownMode {
// See http://man7.org/linux/man-pages/man2/shutdown.2.html
// Corresponding to SHUT_RD, SHUT_WR, SHUT_RDWR
Read = 0,
Write,
ReadWrite // unused
}
/** Shut down socket send and receive operations.
*
* Matches behavior of POSIX shutdown(3).
*
* const listener = Deno.listen({ port: 80 });
* const conn = await listener.accept();
* Deno.shutdown(conn.rid, Deno.ShutdownMode.Write);
*/
export function shutdown(rid: number, how: ShutdownMode): void;
/** A Listener is a generic network listener for stream-oriented protocols. */
export interface Listener extends AsyncIterator<Conn> {
/** Waits for and resolves to the next connection to the `Listener`. */
accept(): Promise<Conn>;
/** Close closes the listener. Any pending accept promises will be rejected
* with errors.
*/
close(): void;
/** Return the address of the `Listener`. */
addr(): Addr;
[Symbol.asyncIterator](): AsyncIterator<Conn>;
}
export interface Conn extends Reader, Writer, Closer {
/** The local address of the connection. */
localAddr: string;
/** The remote address of the connection. */
remoteAddr: string;
/** The resource ID of the connection. */
rid: number;
/** Shuts down (`shutdown(2)`) the reading side of the TCP connection. Most
* callers should just use `close()`.
*/
closeRead(): void;
/** Shuts down (`shutdown(2)`) the writing side of the TCP connection. Most
* callers should just use `close()`.
*/
closeWrite(): void;
}
export interface ListenOptions {
port: number;
hostname?: string;
transport?: Transport;
}
/** Listen announces on the local transport address.
*
* @param options
* @param options.port The port to connect to. (Required.)
* @param options.hostname A literal IP address or host name that can be
* resolved to an IP address. If not specified, defaults to 0.0.0.0
* @param options.transport Defaults to "tcp". Later we plan to add "tcp4",
* "tcp6", "udp", "udp4", "udp6", "ip", "ip4", "ip6", "unix", "unixgram" and
* "unixpacket".
*
* Examples:
*
* listen({ port: 80 })
* listen({ hostname: "192.0.2.1", port: 80 })
* listen({ hostname: "[2001:db8::1]", port: 80 });
* listen({ hostname: "golang.org", port: 80, transport: "tcp" })
*/
export function listen(options: ListenOptions): Listener;
export interface ListenTLSOptions {
port: number;
hostname?: string;
transport?: Transport;
certFile: string;
keyFile: string;
}
/** Listen announces on the local transport address over TLS (transport layer security).
*
* @param options
* @param options.port The port to connect to. (Required.)
* @param options.hostname A literal IP address or host name that can be
* resolved to an IP address. If not specified, defaults to 0.0.0.0
* @param options.certFile Server certificate file
* @param options.keyFile Server public key file
*
* Examples:
*
* Deno.listenTLS({ port: 443, certFile: "./my_server.crt", keyFile: "./my_server.key" })
*/
export function listenTLS(options: ListenTLSOptions): Listener;
export interface DialOptions {
port: number;
hostname?: string;
transport?: Transport;
}
/** Dial connects to the address on the named transport.
*
* @param options
* @param options.port The port to connect to. (Required.)
* @param options.hostname A literal IP address or host name that can be
* resolved to an IP address. If not specified, defaults to 127.0.0.1
* @param options.transport Defaults to "tcp". Later we plan to add "tcp4",
* "tcp6", "udp", "udp4", "udp6", "ip", "ip4", "ip6", "unix", "unixgram" and
* "unixpacket".
*
* Examples:
*
* dial({ port: 80 })
* dial({ hostname: "192.0.2.1", port: 80 })
* dial({ hostname: "[2001:db8::1]", port: 80 });
* dial({ hostname: "golang.org", port: 80, transport: "tcp" })
*/
export function dial(options: DialOptions): Promise<Conn>;
export interface DialTLSOptions {
port: number;
hostname?: string;
certFile?: string;
}
/**
* dialTLS establishes a secure connection over TLS (transport layer security).
*/
export function dialTLS(options: DialTLSOptions): Promise<Conn>;
// @url js/metrics.d.ts
export interface Metrics {
opsDispatched: number;
opsCompleted: number;
bytesSentControl: number;
bytesSentData: number;
bytesReceived: number;
}
/** Receive metrics from the privileged side of Deno.
*
* > console.table(Deno.metrics())
* ┌──────────────────┬────────┐
* │ (index) │ Values │
* ├──────────────────┼────────┤
* │ opsDispatched │ 9 │
* │ opsCompleted │ 9 │
* │ bytesSentControl │ 504 │
* │ bytesSentData │ 0 │
* │ bytesReceived │ 856 │
* └──────────────────┴────────┘
*/
export function metrics(): Metrics;
// @url js/resources.d.ts
interface ResourceMap {
[rid: number]: string;
}
/** Returns a map of open _file like_ resource ids along with their string
* representation.
*/
export function resources(): ResourceMap;
// @url js/process.d.ts
/** How to handle subprocess stdio.
*
* "inherit" The default if unspecified. The child inherits from the
* corresponding parent descriptor.
*
* "piped" A new pipe should be arranged to connect the parent and child
* subprocesses.
*
* "null" This stream will be ignored. This is the equivalent of attaching the
* stream to /dev/null.
*/
type ProcessStdio = "inherit" | "piped" | "null";
export interface RunOptions {
args: string[];
cwd?: string;
env?: {
[key: string]: string;
};
stdout?: ProcessStdio | number;
stderr?: ProcessStdio | number;
stdin?: ProcessStdio | number;
}
/** Send a signal to process under given PID. Unix only at this moment.
* If pid is negative, the signal will be sent to the process group identified
* by -pid.
* Requires the `--allow-run` flag.
*/
export function kill(pid: number, signo: number): void;
export class Process {
readonly rid: number;
readonly pid: number;
readonly stdin?: WriteCloser;
readonly stdout?: ReadCloser;
readonly stderr?: ReadCloser;
status(): Promise<ProcessStatus>;
/** Buffer the stdout and return it as Uint8Array after EOF.
* You must set stdout to "piped" when creating the process.
* This calls close() on stdout after its done.
*/
output(): Promise<Uint8Array>;
/** Buffer the stderr and return it as Uint8Array after EOF.
* You must set stderr to "piped" when creating the process.
* This calls close() on stderr after its done.
*/
stderrOutput(): Promise<Uint8Array>;
close(): void;
kill(signo: number): void;
}
export interface ProcessStatus {
success: boolean;
code?: number;
signal?: number;
}
/**
* Spawns new subprocess.
*
* Subprocess uses same working directory as parent process unless `opt.cwd`
* is specified.
*
* Environmental variables for subprocess can be specified using `opt.env`
* mapping.
*
* By default subprocess inherits stdio of parent process. To change that
* `opt.stdout`, `opt.stderr` and `opt.stdin` can be specified independently -
* they can be set to either `ProcessStdio` or `rid` of open file.
*/
export function run(opt: RunOptions): Process;
enum LinuxSignal {
SIGHUP = 1,
SIGINT = 2,
SIGQUIT = 3,
SIGILL = 4,
SIGTRAP = 5,
SIGABRT = 6,
SIGBUS = 7,
SIGFPE = 8,
SIGKILL = 9,
SIGUSR1 = 10,
SIGSEGV = 11,
SIGUSR2 = 12,
SIGPIPE = 13,
SIGALRM = 14,
SIGTERM = 15,
SIGSTKFLT = 16,
SIGCHLD = 17,
SIGCONT = 18,
SIGSTOP = 19,
SIGTSTP = 20,
SIGTTIN = 21,
SIGTTOU = 22,
SIGURG = 23,
SIGXCPU = 24,
SIGXFSZ = 25,
SIGVTALRM = 26,
SIGPROF = 27,
SIGWINCH = 28,
SIGIO = 29,
SIGPWR = 30,
SIGSYS = 31
}
enum MacOSSignal {
SIGHUP = 1,
SIGINT = 2,
SIGQUIT = 3,
SIGILL = 4,
SIGTRAP = 5,
SIGABRT = 6,
SIGEMT = 7,
SIGFPE = 8,
SIGKILL = 9,
SIGBUS = 10,
SIGSEGV = 11,
SIGSYS = 12,
SIGPIPE = 13,
SIGALRM = 14,
SIGTERM = 15,
SIGURG = 16,
SIGSTOP = 17,
SIGTSTP = 18,
SIGCONT = 19,
SIGCHLD = 20,
SIGTTIN = 21,
SIGTTOU = 22,
SIGIO = 23,
SIGXCPU = 24,
SIGXFSZ = 25,
SIGVTALRM = 26,
SIGPROF = 27,
SIGWINCH = 28,
SIGINFO = 29,
SIGUSR1 = 30,
SIGUSR2 = 31
}
/** Signals numbers. This is platform dependent.
*/
export const Signal: typeof MacOSSignal | typeof LinuxSignal;
export {};
// @url js/console.d.ts
type ConsoleOptions = Partial<{
showHidden: boolean;
depth: number;
colors: boolean;
indentLevel: number;
}>;
/** 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.
*/
export const customInspect: unique symbol;
/**
* `inspect()` converts input into string that has the same format
* as printed by `console.log(...)`;
*/
export function inspect(value: unknown, options?: ConsoleOptions): string;
// @url js/build.d.ts
export type OperatingSystem = "mac" | "win" | "linux";
export type Arch = "x64" | "arm64";
/** Build related information */
interface BuildInfo {
/** The CPU architecture. */
arch: Arch;
/** The operating system. */
os: OperatingSystem;
}
export const build: BuildInfo;
// @url js/version.d.ts
interface Version {
deno: string;
v8: string;
typescript: string;
}
export const version: Version;
export {};
// @url js/diagnostics.d.ts
/** The log category for a diagnostic message */
export enum DiagnosticCategory {
Log = 0,
Debug = 1,
Info = 2,
Error = 3,
Warning = 4,
Suggestion = 5
}
export interface DiagnosticMessageChain {
message: string;
category: DiagnosticCategory;
code: number;
next?: DiagnosticMessageChain[];
}
export interface DiagnosticItem {
/** A string message summarizing the diagnostic. */
message: string;
/** An ordered array of further diagnostics. */
messageChain?: DiagnosticMessageChain;
/** Information related to the diagnostic. This is present when there is a
* suggestion or other additional diagnostic information */
relatedInformation?: DiagnosticItem[];
/** The text of the source line related to the diagnostic */
sourceLine?: string;
/** The line number that is related to the diagnostic */
lineNumber?: number;
/** The name of the script resource related to the diagnostic */
scriptResourceName?: string;
/** The start position related to the diagnostic */
startPosition?: number;
/** The end position related to the diagnostic */
endPosition?: number;
/** The category of the diagnostic */
category: DiagnosticCategory;
/** A number identifier */
code: number;
/** The the start column of the sourceLine related to the diagnostic */
startColumn?: number;
/** The end column of the sourceLine related to the diagnostic */
endColumn?: number;
}
export interface Diagnostic {
/** An array of diagnostic items. */
items: DiagnosticItem[];
}
// @url js/compiler_api.ts
/** A specific subset TypeScript compiler options that can be supported by
* the Deno TypeScript compiler. */
export interface CompilerOptions {
/** Allow JavaScript files to be compiled. Defaults to `true`. */
allowJs?: boolean;
/** Allow default imports from modules with no default export. This does not
* affect code emit, just typechecking. Defaults to `false`. */
allowSyntheticDefaultImports?: boolean;
/** Allow accessing UMD globals from modules. Defaults to `false`. */
allowUmdGlobalAccess?: boolean;
/** Do not report errors on unreachable code. Defaults to `false`. */
allowUnreachableCode?: boolean;
/** Do not report errors on unused labels. Defaults to `false` */
allowUnusedLabels?: boolean;
/** Parse in strict mode and emit `"use strict"` for each source file.
* Defaults to `true`. */
alwaysStrict?: boolean;
/** Base directory to resolve non-relative module names. Defaults to
* `undefined`. */
baseUrl?: string;
/** Report errors in `.js` files. Use in conjunction with `allowJs`. Defaults
* to `false`. */
checkJs?: boolean;
/** Generates corresponding `.d.ts` file. Defaults to `false`. */
declaration?: boolean;
/** Output directory for generated declaration files. */
declarationDir?: string;
/** Generates a source map for each corresponding `.d.ts` file. Defaults to
* `false`. */
declarationMap?: boolean;
/** Provide full support for iterables in `for..of`, spread and
* destructuring when targeting ES5 or ES3. Defaults to `false`. */
downlevelIteration?: boolean;
/** Emit a UTF-8 Byte Order Mark (BOM) in the beginning of output files.
* Defaults to `false`. */
emitBOM?: boolean;
/** Only emit `.d.ts` declaration files. Defaults to `false`. */
emitDeclarationOnly?: boolean;
/** Emit design-type metadata for decorated declarations in source. See issue
* [microsoft/TypeScript#2577](https://github.com/Microsoft/TypeScript/issues/2577)
* for details. Defaults to `false`. */
emitDecoratorMetadata?: boolean;
/** Emit `__importStar` and `__importDefault` helpers for runtime babel
* ecosystem compatibility and enable `allowSyntheticDefaultImports` for type
* system compatibility. Defaults to `true`. */
esModuleInterop?: boolean;
/** Enables experimental support for ES decorators. Defaults to `false`. */
experimentalDecorators?: boolean;
/** Emit a single file with source maps instead of having a separate file.
* Defaults to `false`. */
inlineSourceMap?: boolean;
/** Emit the source alongside the source maps within a single file; requires
* `inlineSourceMap` or `sourceMap` to be set. Defaults to `false`. */
inlineSources?: boolean;
/** Perform additional checks to ensure that transpile only would be safe.
* Defaults to `false`. */
isolatedModules?: boolean;
/** Support JSX in `.tsx` files: `"react"`, `"preserve"`, `"react-native"`.
* Defaults to `"react"`. */
jsx?: "react" | "preserve" | "react-native";
/** Specify the JSX factory function to use when targeting react JSX emit,
* e.g. `React.createElement` or `h`. Defaults to `React.createElement`. */
jsxFactory?: string;
/** Resolve keyof to string valued property names only (no numbers or
* symbols). Defaults to `false`. */
keyofStringsOnly?: string;
/** Emit class fields with ECMAScript-standard semantics. Defaults to `false`.
* Does not apply to `"esnext"` target. */
useDefineForClassFields?: boolean;
/** The locale to use to show error messages. */
locale?: string;
/** Specifies the location where debugger should locate map files instead of
* generated locations. Use this flag if the `.map` files will be located at
* run-time in a different location than the `.js` files. The location
* specified will be embedded in the source map to direct the debugger where
* the map files will be located. Defaults to `undefined`. */
mapRoot?: string;
/** Specify the module format for the emitted code. Defaults to
* `"esnext"`. */
module?:
| "none"
| "commonjs"
| "amd"
| "system"
| "umd"
| "es6"
| "es2015"
| "esnext";
/** Do not generate custom helper functions like `__extends` in compiled
* output. Defaults to `false`. */
noEmitHelpers?: boolean;
/** Report errors for fallthrough cases in switch statement. Defaults to
* `false`. */
noFallthroughCasesInSwitch?: boolean;
/** Raise error on expressions and declarations with an implied any type.
* Defaults to `true`. */
noImplicitAny?: boolean;
/** Report an error when not all code paths in function return a value.
* Defaults to `false`. */
noImplicitReturns?: boolean;
/** Raise error on `this` expressions with an implied `any` type. Defaults to
* `true`. */
noImplicitThis?: boolean;
/** Do not emit `"use strict"` directives in module output. Defaults to
* `false`. */
noImplicitUseStrict?: boolean;
/** Do not add triple-slash references or module import targets to the list of
* compiled files. Defaults to `false`. */
noResolve?: boolean;
/** Disable strict checking of generic signatures in function types. Defaults
* to `false`. */
noStrictGenericChecks?: boolean;
/** Report errors on unused locals. Defaults to `false`. */
noUnusedLocals?: boolean;
/** Report errors on unused parameters. Defaults to `false`. */
noUnusedParameters?: boolean;
/** Redirect output structure to the directory. This only impacts
* `Deno.compile` and only changes the emitted file names. Defaults to
* `undefined`. */
outDir?: string;
/** List of path mapping entries for module names to locations relative to the
* `baseUrl`. Defaults to `undefined`. */
paths?: Record<string, string[]>;
/** Do not erase const enum declarations in generated code. Defaults to
* `false`. */
preserveConstEnums?: boolean;
/** Remove all comments except copy-right header comments beginning with
* `/*!`. Defaults to `true`. */
removeComments?: boolean;
/** Include modules imported with `.json` extension. Defaults to `true`. */
resolveJsonModule?: boolean;
/** Specifies the root directory of input files. Only use to control the
* output directory structure with `outDir`. Defaults to `undefined`. */
rootDir?: string;
/** List of _root_ folders whose combined content represent the structure of
* the project at runtime. Defaults to `undefined`. */
rootDirs?: string[];
/** Generates corresponding `.map` file. Defaults to `false`. */
sourceMap?: boolean;
/** Specifies the location where debugger should locate TypeScript files
* instead of source locations. Use this flag if the sources will be located
* at run-time in a different location than that at design-time. The location
* specified will be embedded in the sourceMap to direct the debugger where
* the source files will be located. Defaults to `undefined`. */
sourceRoot?: string;
/** Enable all strict type checking options. Enabling `strict` enables
* `noImplicitAny`, `noImplicitThis`, `alwaysStrict`, `strictBindCallApply`,
* `strictNullChecks`, `strictFunctionTypes` and
* `strictPropertyInitialization`. Defaults to `true`. */
strict?: boolean;
/** Enable stricter checking of the `bind`, `call`, and `apply` methods on
* functions. Defaults to `true`. */
strictBindCallApply?: boolean;
/** Disable bivariant parameter checking for function types. Defaults to
* `true`. */
strictFunctionTypes?: boolean;
/** Ensure non-undefined class properties are initialized in the constructor.
* This option requires `strictNullChecks` be enabled in order to take effect.
* Defaults to `true`. */
strictPropertyInitialization?: boolean;
/** In strict null checking mode, the `null` and `undefined` values are not in
* the domain of every type and are only assignable to themselves and `any`
* (the one exception being that `undefined` is also assignable to `void`). */
strictNullChecks?: boolean;
/** Suppress excess property checks for object literals. Defaults to
* `false`. */
suppressExcessPropertyErrors?: boolean;
/** Suppress `noImplicitAny` errors for indexing objects lacking index
* signatures. */
suppressImplicitAnyIndexErrors?: boolean;
/** Specify ECMAScript target version. Defaults to `esnext`. */
target?:
| "es3"
| "es5"
| "es6"
| "es2015"
| "es2016"
| "es2017"
| "es2018"
| "es2019"
| "es2020"
| "esnext";
/** List of names of type definitions to include. Defaults to `undefined`. */
types?: string[];
}
/** The results of a transpile only command, where the `source` contains the
* emitted source, and `map` optionally contains the source map.
*/
export interface TranspileOnlyResult {
source: string;
map?: string;
}
/** Takes a set of TypeScript sources and resolves with a map where the key was
* the original file name provided in sources and the result contains the
* `source` and optionally the `map` from the transpile operation. This does no
* type checking and validation, it effectively "strips" the types from the
* file.
*
* const results = await Deno.transpileOnly({
* "foo.ts": `const foo: string = "foo";`
* });
*
* @param sources A map where the key is the filename and the value is the text
* to transpile. The filename is only used in the transpile and
* not resolved, for example to fill in the source name in the
* source map.
* @param options An option object of options to send to the compiler. This is
* a subset of ts.CompilerOptions which can be supported by Deno.
* Many of the options related to type checking and emitting
* type declaration files will have no impact on the output.
*/
export function transpileOnly(
sources: Record<string, string>,
options?: CompilerOptions
): Promise<Record<string, TranspileOnlyResult>>;
/** Takes a root module name, any optionally a record set of sources. Resolves
* with a compiled set of modules. If just a root name is provided, the modules
* will be resolved as if the root module had been passed on the command line.
*
* If sources are passed, all modules will be resolved out of this object, where
* the key is the module name and the value is the content. The extension of
* the module name will be used to determine the media type of the module.
*
* const [ maybeDiagnostics1, output1 ] = await Deno.compile("foo.ts");
*
* const [ maybeDiagnostics2, output2 ] = await Deno.compile("/foo.ts", {
* "/foo.ts": `export * from "./bar.ts";`,
* "/bar.ts": `export const bar = "bar";`
* });
*
* @param rootName The root name of the module which will be used as the
* "starting point". If no `sources` is specified, Deno will
* resolve the module externally as if the `rootName` had been
* specified on the command line.
* @param sources An optional key/value map of sources to be used when resolving
* modules, where the key is the module name, and the value is
* the source content. The extension of the key will determine
* the media type of the file when processing. If supplied,
* Deno will not attempt to resolve any modules externally.
* @param options An optional object of options to send to the compiler. This is
* a subset of ts.CompilerOptions which can be supported by Deno.
*/
export function compile(
rootName: string,
sources?: Record<string, string>,
options?: CompilerOptions
): Promise<[Diagnostic[] | undefined, Record<string, string>]>;
/** Takes a root module name, and optionally a record set of sources. Resolves
* with a single JavaScript string that is like the output of a `deno bundle`
* command. If just a root name is provided, the modules will be resolved as if
* the root module had been passed on the command line.
*
* If sources are passed, all modules will be resolved out of this object, where
* the key is the module name and the value is the content. The extension of the
* module name will be used to determine the media type of the module.
*
* const [ maybeDiagnostics1, output1 ] = await Deno.bundle("foo.ts");
*
* const [ maybeDiagnostics2, output2 ] = await Deno.bundle("/foo.ts", {
* "/foo.ts": `export * from "./bar.ts";`,
* "/bar.ts": `export const bar = "bar";`
* });
*
* @param rootName The root name of the module which will be used as the
* "starting point". If no `sources` is specified, Deno will
* resolve the module externally as if the `rootName` had been
* specified on the command line.
* @param sources An optional key/value map of sources to be used when resolving
* modules, where the key is the module name, and the value is
* the source content. The extension of the key will determine
* the media type of the file when processing. If supplied,
* Deno will not attempt to resolve any modules externally.
* @param options An optional object of options to send to the compiler. This is
* a subset of ts.CompilerOptions which can be supported by Deno.
*/
export function bundle(
rootName: string,
sources?: Record<string, string>,
options?: CompilerOptions
): Promise<[Diagnostic[] | undefined, string]>;
// @url js/deno.d.ts
export const args: string[];
}
// @url js/globals.ts
declare interface Window {
window: Window & typeof globalThis;
atob: typeof __textEncoding.atob;
btoa: typeof __textEncoding.btoa;
fetch: typeof __fetch.fetch;
clearTimeout: typeof __timers.clearTimeout;
clearInterval: typeof __timers.clearInterval;
console: __console.Console;
setTimeout: typeof __timers.setTimeout;
setInterval: typeof __timers.setInterval;
location: __domTypes.Location;
onload: Function | undefined;
onunload: Function | undefined;
crypto: Crypto;
Blob: typeof __blob.DenoBlob;
File: __domTypes.DomFileConstructor;
CustomEvent: typeof __customEvent.CustomEvent;
Event: typeof __event.Event;
EventTarget: typeof __eventTarget.EventTarget;
URL: typeof __url.URL;
URLSearchParams: typeof __urlSearchParams.URLSearchParams;
Headers: __domTypes.HeadersConstructor;
FormData: __domTypes.FormDataConstructor;
TextEncoder: typeof __textEncoding.TextEncoder;
TextDecoder: typeof __textEncoding.TextDecoder;
Request: __domTypes.RequestConstructor;
Response: typeof __fetch.Response;
performance: __performanceUtil.Performance;
onmessage: (e: { data: any }) => void;
workerMain: typeof __workers.workerMain;
workerClose: typeof __workers.workerClose;
postMessage: typeof __workers.postMessage;
Worker: typeof __workers.WorkerImpl;
addEventListener: (
type: string,
callback: (event: __domTypes.Event) => void | null,
options?: boolean | __domTypes.AddEventListenerOptions | undefined
) => void;
dispatchEvent: (event: __domTypes.Event) => boolean;
removeEventListener: (
type: string,
callback: (event: __domTypes.Event) => void | null,
options?: boolean | __domTypes.EventListenerOptions | undefined
) => void;
queueMicrotask: (task: () => void) => void;
Deno: typeof Deno;
}
declare const window: Window & typeof globalThis;
declare const atob: typeof __textEncoding.atob;
declare const btoa: typeof __textEncoding.btoa;
declare const fetch: typeof __fetch.fetch;
declare const clearTimeout: typeof __timers.clearTimeout;
declare const clearInterval: typeof __timers.clearInterval;
declare const console: __console.Console;
declare const setTimeout: typeof __timers.setTimeout;
declare const setInterval: typeof __timers.setInterval;
declare const location: __domTypes.Location;
declare const onload: Function | undefined;
declare const onunload: Function | undefined;
declare const crypto: Crypto;
declare const Blob: typeof __blob.DenoBlob;
declare const File: __domTypes.DomFileConstructor;
declare const CustomEventInit: typeof __customEvent.CustomEventInit;
declare const CustomEvent: typeof __customEvent.CustomEvent;
declare const EventInit: typeof __event.EventInit;
declare const Event: typeof __event.Event;
declare const EventListener: typeof __eventTarget.EventListener;
declare const EventTarget: typeof __eventTarget.EventTarget;
declare const URL: typeof __url.URL;
declare const URLSearchParams: typeof __urlSearchParams.URLSearchParams;
declare const Headers: __domTypes.HeadersConstructor;
declare const FormData: __domTypes.FormDataConstructor;
declare const TextEncoder: typeof __textEncoding.TextEncoder;
declare const TextDecoder: typeof __textEncoding.TextDecoder;
declare const Request: __domTypes.RequestConstructor;
declare const Response: typeof __fetch.Response;
declare const performance: __performanceUtil.Performance;
declare let onmessage: (e: { data: any }) => void;
declare const workerMain: typeof __workers.workerMain;
declare const workerClose: typeof __workers.workerClose;
declare const postMessage: typeof __workers.postMessage;
declare const Worker: typeof __workers.WorkerImpl;
declare const addEventListener: (
type: string,
callback: (event: __domTypes.Event) => void | null,
options?: boolean | __domTypes.AddEventListenerOptions | undefined
) => void;
declare const dispatchEvent: (event: __domTypes.Event) => boolean;
declare const removeEventListener: (
type: string,
callback: (event: __domTypes.Event) => void | null,
options?: boolean | __domTypes.EventListenerOptions | undefined
) => void;
declare type Blob = __domTypes.Blob;
declare type Body = __domTypes.Body;
declare type File = __domTypes.DomFile;
declare type CustomEventInit = __domTypes.CustomEventInit;
declare type CustomEvent = __domTypes.CustomEvent;
declare type EventInit = __domTypes.EventInit;
declare type Event = __domTypes.Event;
declare type EventListener = __domTypes.EventListener;
declare type EventTarget = __domTypes.EventTarget;
declare type URL = __url.URL;
declare type URLSearchParams = __domTypes.URLSearchParams;
declare type Headers = __domTypes.Headers;
declare type FormData = __domTypes.FormData;
declare type TextEncoder = __textEncoding.TextEncoder;
declare type TextDecoder = __textEncoding.TextDecoder;
declare type Request = __domTypes.Request;
declare type Response = __domTypes.Response;
declare type Worker = __workers.Worker;
declare interface ImportMeta {
url: string;
main: boolean;
}
declare interface Crypto {
readonly subtle: null;
getRandomValues: <
T extends
| Int8Array
| Uint8Array
| Uint8ClampedArray
| Int16Array
| Uint16Array
| Int32Array
| Uint32Array
>(
typedArray: T
) => T;
}
declare namespace __domTypes {
// @url js/dom_types.d.ts
export type BufferSource = ArrayBufferView | ArrayBuffer;
export type HeadersInit =
| Headers
| Array<[string, string]>
| Record<string, string>;
export type URLSearchParamsInit =
| string
| string[][]
| Record<string, string>;
type BodyInit =
| Blob
| BufferSource
| FormData
| URLSearchParams
| ReadableStream
| string;
export type RequestInfo = Request | string;
type ReferrerPolicy =
| ""
| "no-referrer"
| "no-referrer-when-downgrade"
| "origin-only"
| "origin-when-cross-origin"
| "unsafe-url";
export type BlobPart = BufferSource | Blob | string;
export type FormDataEntryValue = DomFile | string;
export interface DomIterable<K, V> {
keys(): IterableIterator<K>;
values(): IterableIterator<V>;
entries(): IterableIterator<[K, V]>;
[Symbol.iterator](): IterableIterator<[K, V]>;
forEach(
callback: (value: V, key: K, parent: this) => void,
thisArg?: any
): void;
}
type EndingType = "transparent" | "native";
export interface BlobPropertyBag {
type?: string;
ending?: EndingType;
}
interface AbortSignalEventMap {
abort: ProgressEvent;
}
export enum NodeType {
ELEMENT_NODE = 1,
TEXT_NODE = 3,
DOCUMENT_FRAGMENT_NODE = 11
}
export const eventTargetHost: unique symbol;
export const eventTargetListeners: unique symbol;
export const eventTargetMode: unique symbol;
export const eventTargetNodeType: unique symbol;
export interface EventTarget {
[eventTargetHost]: EventTarget | null;
[eventTargetListeners]: { [type in string]: EventListener[] };
[eventTargetMode]: string;
[eventTargetNodeType]: NodeType;
addEventListener(
type: string,
callback: (event: Event) => void | null,
options?: boolean | AddEventListenerOptions
): void;
dispatchEvent(event: Event): boolean;
removeEventListener(
type: string,
callback?: (event: Event) => void | null,
options?: EventListenerOptions | boolean
): void;
}
export interface ProgressEventInit extends EventInit {
lengthComputable?: boolean;
loaded?: number;
total?: number;
}
export interface URLSearchParams extends DomIterable<string, string> {
/**
* Appends a specified key/value pair as a new search parameter.
*/
append(name: string, value: string): void;
/**
* Deletes the given search parameter, and its associated value,
* from the list of all search parameters.
*/
delete(name: string): void;
/**
* Returns the first value associated to the given search parameter.
*/
get(name: string): string | null;
/**
* Returns all the values association with a given search parameter.
*/
getAll(name: string): string[];
/**
* Returns a Boolean indicating if such a search parameter exists.
*/
has(name: string): boolean;
/**
* Sets the value associated to a given search parameter to the given value.
* If there were several values, delete the others.
*/
set(name: string, value: string): void;
/**
* Sort all key/value pairs contained in this object in place
* and return undefined. The sort order is according to Unicode
* code points of the keys.
*/
sort(): void;
/**
* Returns a query string suitable for use in a URL.
*/
toString(): string;
/**
* Iterates over each name-value pair in the query
* and invokes the given function.
*/
forEach(
callbackfn: (value: string, key: string, parent: this) => void,
thisArg?: any
): void;
}
export interface EventListener {
handleEvent(event: Event): void;
readonly callback: (event: Event) => void | null;
readonly options: boolean | AddEventListenerOptions;
}
export interface EventInit {
bubbles?: boolean;
cancelable?: boolean;
composed?: boolean;
}
export interface CustomEventInit extends EventInit {
detail?: any;
}
export enum EventPhase {
NONE = 0,
CAPTURING_PHASE = 1,
AT_TARGET = 2,
BUBBLING_PHASE = 3
}
export interface EventPath {
item: EventTarget;
itemInShadowTree: boolean;
relatedTarget: EventTarget | null;
rootOfClosedTree: boolean;
slotInClosedTree: boolean;
target: EventTarget | null;
touchTargetList: EventTarget[];
}
export interface Event {
readonly type: string;
target: EventTarget | null;
currentTarget: EventTarget | null;
composedPath(): EventPath[];
eventPhase: number;
stopPropagation(): void;
stopImmediatePropagation(): void;
readonly bubbles: boolean;
readonly cancelable: boolean;
preventDefault(): void;
readonly defaultPrevented: boolean;
readonly composed: boolean;
isTrusted: boolean;
readonly timeStamp: Date;
dispatched: boolean;
readonly initialized: boolean;
inPassiveListener: boolean;
cancelBubble: boolean;
cancelBubbleImmediately: boolean;
path: EventPath[];
relatedTarget: EventTarget | null;
}
export interface CustomEvent extends Event {
readonly detail: any;
initCustomEvent(
type: string,
bubbles?: boolean,
cancelable?: boolean,
detail?: any | null
): void;
}
export interface DomFile extends Blob {
readonly lastModified: number;
readonly name: string;
}
export interface DomFileConstructor {
new (
bits: BlobPart[],
filename: string,
options?: FilePropertyBag
): DomFile;
prototype: DomFile;
}
export interface FilePropertyBag extends BlobPropertyBag {
lastModified?: number;
}
interface ProgressEvent extends Event {
readonly lengthComputable: boolean;
readonly loaded: number;
readonly total: number;
}
export interface EventListenerOptions {
capture: boolean;
}
export interface AddEventListenerOptions extends EventListenerOptions {
once: boolean;
passive: boolean;
}
interface AbortSignal extends EventTarget {
readonly aborted: boolean;
onabort: ((this: AbortSignal, ev: ProgressEvent) => any) | null;
addEventListener<K extends keyof AbortSignalEventMap>(
type: K,
listener: (this: AbortSignal, ev: AbortSignalEventMap[K]) => any,
options?: boolean | AddEventListenerOptions
): void;
addEventListener(
type: string,
listener: EventListener,
options?: boolean | AddEventListenerOptions
): void;
removeEventListener<K extends keyof AbortSignalEventMap>(
type: K,
listener: (this: AbortSignal, ev: AbortSignalEventMap[K]) => any,
options?: boolean | EventListenerOptions
): void;
removeEventListener(
type: string,
listener: EventListener,
options?: boolean | EventListenerOptions
): void;
}
export interface ReadableStream {
readonly locked: boolean;
cancel(): Promise<void>;
getReader(): ReadableStreamReader;
tee(): [ReadableStream, ReadableStream];
}
export interface ReadableStreamReader {
cancel(): Promise<void>;
read(): Promise<any>;
releaseLock(): void;
}
export interface FormData extends DomIterable<string, FormDataEntryValue> {
append(name: string, value: string | Blob, fileName?: string): void;
delete(name: string): void;
get(name: string): FormDataEntryValue | null;
getAll(name: string): FormDataEntryValue[];
has(name: string): boolean;
set(name: string, value: string | Blob, fileName?: string): void;
}
export interface FormDataConstructor {
new (): FormData;
prototype: FormData;
}
/** A blob object represents a file-like object of immutable, raw data. */
export interface Blob {
/** The size, in bytes, of the data contained in the `Blob` object. */
readonly size: number;
/** A string indicating the media type of the data contained in the `Blob`.
* If the type is unknown, this string is empty.
*/
readonly type: string;
/** Returns a new `Blob` object containing the data in the specified range of
* bytes of the source `Blob`.
*/
slice(start?: number, end?: number, contentType?: string): Blob;
}
export interface Body {
/** A simple getter used to expose a `ReadableStream` of the body contents. */
readonly body: ReadableStream | null;
/** Stores a `Boolean` that declares whether the body has been used in a
* response yet.
*/
readonly bodyUsed: boolean;
/** Takes a `Response` stream and reads it to completion. It returns a promise
* that resolves with an `ArrayBuffer`.
*/
arrayBuffer(): Promise<ArrayBuffer>;
/** Takes a `Response` stream and reads it to completion. It returns a promise
* that resolves with a `Blob`.
*/
blob(): Promise<Blob>;
/** Takes a `Response` stream and reads it to completion. It returns a promise
* that resolves with a `FormData` object.
*/
formData(): Promise<FormData>;
/** Takes a `Response` stream and reads it to completion. It returns a promise
* that resolves with the result of parsing the body text as JSON.
*/
json(): Promise<any>;
/** Takes a `Response` stream and reads it to completion. It returns a promise
* that resolves with a `USVString` (text).
*/
text(): Promise<string>;
}
export interface Headers extends DomIterable<string, string> {
/** Appends a new value onto an existing header inside a `Headers` object, or
* adds the header if it does not already exist.
*/
append(name: string, value: string): void;
/** Deletes a header from a `Headers` object. */
delete(name: string): void;
/** Returns an iterator allowing to go through all key/value pairs
* contained in this Headers object. The both the key and value of each pairs
* are ByteString objects.
*/
entries(): IterableIterator<[string, string]>;
/** Returns a `ByteString` sequence of all the values of a header within a
* `Headers` object with a given name.
*/
get(name: string): string | null;
/** Returns a boolean stating whether a `Headers` object contains a certain
* header.
*/
has(name: string): boolean;
/** Returns an iterator allowing to go through all keys contained in
* this Headers object. The keys are ByteString objects.
*/
keys(): IterableIterator<string>;
/** Sets a new value for an existing header inside a Headers object, or adds
* the header if it does not already exist.
*/
set(name: string, value: string): void;
/** Returns an iterator allowing to go through all values contained in
* this Headers object. The values are ByteString objects.
*/
values(): IterableIterator<string>;
forEach(
callbackfn: (value: string, key: string, parent: this) => void,
thisArg?: any
): void;
/** The Symbol.iterator well-known symbol specifies the default
* iterator for this Headers object
*/
[Symbol.iterator](): IterableIterator<[string, string]>;
}
export interface HeadersConstructor {
new (init?: HeadersInit): Headers;
prototype: Headers;
}
type RequestCache =
| "default"
| "no-store"
| "reload"
| "no-cache"
| "force-cache"
| "only-if-cached";
type RequestCredentials = "omit" | "same-origin" | "include";
type RequestDestination =
| ""
| "audio"
| "audioworklet"
| "document"
| "embed"
| "font"
| "image"
| "manifest"
| "object"
| "paintworklet"
| "report"
| "script"
| "sharedworker"
| "style"
| "track"
| "video"
| "worker"
| "xslt";
type RequestMode = "navigate" | "same-origin" | "no-cors" | "cors";
type RequestRedirect = "follow" | "error" | "manual";
type ResponseType =
| "basic"
| "cors"
| "default"
| "error"
| "opaque"
| "opaqueredirect";
export interface RequestInit {
body?: BodyInit | null;
cache?: RequestCache;
credentials?: RequestCredentials;
headers?: HeadersInit;
integrity?: string;
keepalive?: boolean;
method?: string;
mode?: RequestMode;
redirect?: RequestRedirect;
referrer?: string;
referrerPolicy?: ReferrerPolicy;
signal?: AbortSignal | null;
window?: any;
}
export interface ResponseInit {
headers?: HeadersInit;
status?: number;
statusText?: string;
}
export interface RequestConstructor {
new (input: RequestInfo, init?: RequestInit): Request;
prototype: Request;
}
export interface Request extends Body {
/** Returns the cache mode associated with request, which is a string
* indicating how the the request will interact with the browser's cache when
* fetching.
*/
readonly cache?: RequestCache;
/** Returns the credentials mode associated with request, which is a string
* indicating whether credentials will be sent with the request always, never,
* or only when sent to a same-origin URL.
*/
readonly credentials?: RequestCredentials;
/** Returns the kind of resource requested by request, (e.g., `document` or
* `script`).
*/
readonly destination?: RequestDestination;
/** Returns a Headers object consisting of the headers associated with
* request.
*
* Note that headers added in the network layer by the user agent
* will not be accounted for in this object, (e.g., the `Host` header).
*/
readonly headers: Headers;
/** Returns request's subresource integrity metadata, which is a cryptographic
* hash of the resource being fetched. Its value consists of multiple hashes
* separated by whitespace. [SRI]
*/
readonly integrity?: string;
/** Returns a boolean indicating whether or not request is for a history
* navigation (a.k.a. back-forward navigation).
*/
readonly isHistoryNavigation?: boolean;
/** Returns a boolean indicating whether or not request is for a reload
* navigation.
*/
readonly isReloadNavigation?: boolean;
/** Returns a boolean indicating whether or not request can outlive the global
* in which it was created.
*/
readonly keepalive?: boolean;
/** Returns request's HTTP method, which is `GET` by default. */
readonly method: string;
/** Returns the mode associated with request, which is a string indicating
* whether the request will use CORS, or will be restricted to same-origin
* URLs.
*/
readonly mode?: RequestMode;
/** Returns the redirect mode associated with request, which is a string
* indicating how redirects for the request will be handled during fetching.
*
* A request will follow redirects by default.
*/
readonly redirect?: RequestRedirect;
/** Returns the referrer of request. Its value can be a same-origin URL if
* explicitly set in init, the empty string to indicate no referrer, and
* `about:client` when defaulting to the global's default.
*
* This is used during fetching to determine the value of the `Referer`
* header of the request being made.
*/
readonly referrer?: string;
/** Returns the referrer policy associated with request. This is used during
* fetching to compute the value of the request's referrer.
*/
readonly referrerPolicy?: ReferrerPolicy;
/** Returns the signal associated with request, which is an AbortSignal object
* indicating whether or not request has been aborted, and its abort event
* handler.
*/
readonly signal?: AbortSignal;
/** Returns the URL of request as a string. */
readonly url: string;
clone(): Request;
}
export interface Response extends Body {
/** Contains the `Headers` object associated with the response. */
readonly headers: Headers;
/** Contains a boolean stating whether the response was successful (status in
* the range 200-299) or not.
*/
readonly ok: boolean;
/** Indicates whether or not the response is the result of a redirect; that
* is, its URL list has more than one entry.
*/
readonly redirected: boolean;
/** Contains the status code of the response (e.g., `200` for a success). */
readonly status: number;
/** Contains the status message corresponding to the status code (e.g., `OK`
* for `200`).
*/
readonly statusText: string;
readonly trailer: Promise<Headers>;
/** Contains the type of the response (e.g., `basic`, `cors`). */
readonly type: ResponseType;
/** Contains the URL of the response. */
readonly url: string;
/** Creates a clone of a `Response` object. */
clone(): Response;
}
export interface Location {
/**
* Returns a DOMStringList object listing the origins of the ancestor browsing
* contexts, from the parent browsing context to the top-level browsing
* context.
*/
readonly ancestorOrigins: string[];
/**
* Returns the Location object's URL's fragment (includes leading "#" if
* non-empty).
* Can be set, to navigate to the same URL with a changed fragment (ignores
* leading "#").
*/
hash: string;
/**
* Returns the Location object's URL's host and port (if different from the
* default port for the scheme). Can be set, to navigate to the same URL with
* a changed host and port.
*/
host: string;
/**
* Returns the Location object's URL's host. Can be set, to navigate to the
* same URL with a changed host.
*/
hostname: string;
/**
* Returns the Location object's URL. Can be set, to navigate to the given
* URL.
*/
href: string;
/** Returns the Location object's URL's origin. */
readonly origin: string;
/**
* Returns the Location object's URL's path.
* Can be set, to navigate to the same URL with a changed path.
*/
pathname: string;
/**
* Returns the Location object's URL's port.
* Can be set, to navigate to the same URL with a changed port.
*/
port: string;
/**
* Returns the Location object's URL's scheme.
* Can be set, to navigate to the same URL with a changed scheme.
*/
protocol: string;
/**
* Returns the Location object's URL's query (includes leading "?" if
* non-empty). Can be set, to navigate to the same URL with a changed query
* (ignores leading "?").
*/
search: string;
/**
* Navigates to the given URL.
*/
assign(url: string): void;
/**
* Reloads the current page.
*/
reload(): void;
/** @deprecated */
reload(forcedReload: boolean): void;
/**
* Removes the current page from the session history and navigates to the
* given URL.
*/
replace(url: string): void;
}
}
declare namespace __blob {
// @url js/blob.d.ts
export const bytesSymbol: unique symbol;
export const blobBytesWeakMap: WeakMap<__domTypes.Blob, Uint8Array>;
export class DenoBlob implements __domTypes.Blob {
private readonly [bytesSymbol];
readonly size: number;
readonly type: string;
/** A blob object represents a file-like object of immutable, raw data. */
constructor(
blobParts?: __domTypes.BlobPart[],
options?: __domTypes.BlobPropertyBag
);
slice(start?: number, end?: number, contentType?: string): DenoBlob;
}
}
declare namespace __console {
// @url js/console.d.ts
type ConsoleOptions = Partial<{
showHidden: boolean;
depth: number;
colors: boolean;
indentLevel: number;
}>;
export class CSI {
static kClear: string;
static kClearScreenDown: string;
}
const isConsoleInstance: unique symbol;
export class Console {
private printFunc;
indentLevel: number;
[isConsoleInstance]: boolean;
/** Writes the arguments to stdout */
log: (...args: unknown[]) => void;
/** Writes the arguments to stdout */
debug: (...args: unknown[]) => void;
/** Writes the arguments to stdout */
info: (...args: unknown[]) => void;
/** Writes the properties of the supplied `obj` to stdout */
dir: (
obj: unknown,
options?: Partial<{
showHidden: boolean;
depth: number;
colors: boolean;
indentLevel: number;
}>
) => void;
/** From MDN:
* Displays an interactive tree of the descendant elements of
* the specified XML/HTML element. If it is not possible to display
* as an element the JavaScript Object view is shown instead.
* The output is presented as a hierarchical listing of expandable
* nodes that let you see the contents of child nodes.
*
* Since we write to stdout, we can't display anything interactive
* we just fall back to `console.dir`.
*/
dirxml: (
obj: unknown,
options?: Partial<{
showHidden: boolean;
depth: number;
colors: boolean;
indentLevel: number;
}>
) => void;
/** Writes the arguments to stdout */
warn: (...args: unknown[]) => void;
/** Writes the arguments to stdout */
error: (...args: unknown[]) => void;
/** Writes an error message to stdout if the assertion is `false`. If the
* assertion is `true`, nothing happens.
*
* ref: https://console.spec.whatwg.org/#assert
*/
assert: (condition?: boolean, ...args: unknown[]) => void;
count: (label?: string) => void;
countReset: (label?: string) => void;
table: (data: unknown, properties?: string[] | undefined) => void;
time: (label?: string) => void;
timeLog: (label?: string, ...args: unknown[]) => void;
timeEnd: (label?: string) => void;
group: (...label: unknown[]) => void;
groupCollapsed: (...label: unknown[]) => void;
groupEnd: () => void;
clear: () => void;
trace: (...args: unknown[]) => void;
static [Symbol.hasInstance](instance: Console): boolean;
}
/** 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.
*/
export const customInspect: unique symbol;
/**
* `inspect()` converts input into string that has the same format
* as printed by `console.log(...)`;
*/
export function inspect(value: unknown, options?: ConsoleOptions): string;
}
declare namespace __event {
// @url js/event.d.ts
export const eventAttributes: WeakMap<object, any>;
export class EventInit implements __domTypes.EventInit {
bubbles: boolean;
cancelable: boolean;
composed: boolean;
constructor({
bubbles,
cancelable,
composed
}?: {
bubbles?: boolean | undefined;
cancelable?: boolean | undefined;
composed?: boolean | undefined;
});
}
export class Event implements __domTypes.Event {
isTrusted: boolean;
private _canceledFlag;
private _dispatchedFlag;
private _initializedFlag;
private _inPassiveListenerFlag;
private _stopImmediatePropagationFlag;
private _stopPropagationFlag;
private _path;
constructor(type: string, eventInitDict?: __domTypes.EventInit);
readonly bubbles: boolean;
cancelBubble: boolean;
cancelBubbleImmediately: boolean;
readonly cancelable: boolean;
readonly composed: boolean;
currentTarget: __domTypes.EventTarget;
readonly defaultPrevented: boolean;
dispatched: boolean;
eventPhase: number;
readonly initialized: boolean;
inPassiveListener: boolean;
path: __domTypes.EventPath[];
relatedTarget: __domTypes.EventTarget;
target: __domTypes.EventTarget;
readonly timeStamp: Date;
readonly type: string;
/** Returns the event’s path (objects on which listeners will be
* invoked). This does not include nodes in shadow trees if the
* shadow root was created with its ShadowRoot.mode closed.
*
* event.composedPath();
*/
composedPath(): __domTypes.EventPath[];
/** Cancels the event (if it is cancelable).
* See https://dom.spec.whatwg.org/#set-the-canceled-flag
*
* event.preventDefault();
*/
preventDefault(): void;
/** Stops the propagation of events further along in the DOM.
*
* event.stopPropagation();
*/
stopPropagation(): void;
/** For this particular event, no other listener will be called.
* Neither those attached on the same element, nor those attached
* on elements which will be traversed later (in capture phase,
* for instance).
*
* event.stopImmediatePropagation();
*/
stopImmediatePropagation(): void;
}
}
declare namespace __customEvent {
// @url js/custom_event.d.ts
export const customEventAttributes: WeakMap<object, any>;
export class CustomEventInit extends __event.EventInit
implements __domTypes.CustomEventInit {
detail: any;
constructor({
bubbles,
cancelable,
composed,
detail
}: __domTypes.CustomEventInit);
}
export class CustomEvent extends __event.Event
implements __domTypes.CustomEvent {
constructor(type: string, customEventInitDict?: __domTypes.CustomEventInit);
readonly detail: any;
initCustomEvent(
type: string,
bubbles?: boolean,
cancelable?: boolean,
detail?: any
): void;
readonly [Symbol.toStringTag]: string;
}
}
declare namespace __eventTarget {
// @url js/event_target.d.ts
export class EventListenerOptions implements __domTypes.EventListenerOptions {
_capture: boolean;
constructor({ capture }?: { capture?: boolean | undefined });
readonly capture: boolean;
}
export class AddEventListenerOptions extends EventListenerOptions
implements __domTypes.AddEventListenerOptions {
_passive: boolean;
_once: boolean;
constructor({
capture,
passive,
once
}?: {
capture?: boolean | undefined;
passive?: boolean | undefined;
once?: boolean | undefined;
});
readonly passive: boolean;
readonly once: boolean;
}
export class EventListener implements __domTypes.EventListener {
allEvents: __domTypes.Event[];
atEvents: __domTypes.Event[];
bubbledEvents: __domTypes.Event[];
capturedEvents: __domTypes.Event[];
private _callback;
private _options;
constructor(
callback: (event: __domTypes.Event) => void | null,
options: boolean | __domTypes.AddEventListenerOptions
);
handleEvent(event: __domTypes.Event): void;
readonly callback: (event: __domTypes.Event) => void | null;
readonly options: __domTypes.AddEventListenerOptions | boolean;
}
export const eventTargetAssignedSlot: unique symbol;
export const eventTargetHasActivationBehavior: unique symbol;
export class EventTarget implements __domTypes.EventTarget {
[__domTypes.eventTargetHost]: __domTypes.EventTarget | null;
[__domTypes.eventTargetListeners]: {
[type in string]: __domTypes.EventListener[];
};
[__domTypes.eventTargetMode]: string;
[__domTypes.eventTargetNodeType]: __domTypes.NodeType;
private [eventTargetAssignedSlot];
private [eventTargetHasActivationBehavior];
addEventListener(
type: string,
callback: (event: __domTypes.Event) => void | null,
options?: __domTypes.AddEventListenerOptions | boolean
): void;
removeEventListener(
type: string,
callback: (event: __domTypes.Event) => void | null,
options?: __domTypes.EventListenerOptions | boolean
): void;
dispatchEvent(event: __domTypes.Event): boolean;
readonly [Symbol.toStringTag]: string;
}
}
declare namespace __io {
// @url js/io.d.ts
export enum SeekMode {
SEEK_START = 0,
SEEK_CURRENT = 1,
SEEK_END = 2
}
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()` 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, `read()` conventionally returns what is available
* instead of waiting for more.
*
* When `read()` encounters end-of-file condition, it returns EOF symbol.
*
* When `read()` encounters an error, it rejects with an error.
*
* Callers should always process the `n` > `0` bytes returned before
* considering the EOF. Doing so correctly handles I/O errors that happen
* after reading some bytes and also both of the allowed EOF behaviors.
*
* Implementations must not retain `p`.
*/
read(p: Uint8Array): Promise<number | Deno.EOF>;
}
export interface SyncReader {
readSync(p: Uint8Array): number | Deno.EOF;
}
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`) and any error encountered that caused the write to stop
* early. `write()` must return a non-null error if it returns `n` <
* `p.byteLength`. write() must not modify the slice data, even temporarily.
*
* Implementations must not retain `p`.
*/
write(p: Uint8Array): Promise<number>;
}
export interface SyncWriter {
writeSync(p: Uint8Array): number;
}
export interface Closer {
close(): void;
}
export interface Seeker {
/** Seek sets the offset for the next `read()` or `write()` to offset,
* interpreted according to `whence`: `SeekStart` means relative to the start
* of the file, `SeekCurrent` means relative to the current offset, and
* `SeekEnd` means relative to the end. Seek returns the new offset relative
* to the start of the file and an error, if any.
*
* 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.
*/
seek(offset: number, whence: SeekMode): Promise<void>;
}
export interface SyncSeeker {
seekSync(offset: number, whence: SeekMode): void;
}
export interface ReadCloser extends Reader, Closer {}
export interface WriteCloser extends Writer, Closer {}
export interface ReadSeeker extends Reader, Seeker {}
export interface WriteSeeker extends Writer, Seeker {}
export interface ReadWriteCloser extends Reader, Writer, Closer {}
export interface ReadWriteSeeker extends Reader, Writer, Seeker {}
/** Copies from `src` to `dst` until either `EOF` is reached on `src`
* or an error occurs. It returns the number of bytes copied and the first
* error encountered while copying, if any.
*
* Because `copy()` is defined to read from `src` until `EOF`, it does not
* treat an `EOF` from `read()` as an error to be reported.
*/
export function copy(dst: Writer, src: Reader): Promise<number>;
/** Turns `r` into async iterator.
*
* for await (const chunk of toAsyncIterator(reader)) {
* console.log(chunk)
* }
*/
export function toAsyncIterator(r: Reader): AsyncIterableIterator<Uint8Array>;
}
declare namespace __fetch {
// @url js/fetch.d.ts
class Body
implements __domTypes.Body, __domTypes.ReadableStream, __io.ReadCloser {
private rid;
readonly contentType: string;
bodyUsed: boolean;
private _bodyPromise;
private _data;
readonly locked: boolean;
readonly body: null | Body;
constructor(rid: number, contentType: string);
private _bodyBuffer;
arrayBuffer(): Promise<ArrayBuffer>;
blob(): Promise<__domTypes.Blob>;
formData(): Promise<__domTypes.FormData>;
json(): Promise<any>;
text(): Promise<string>;
read(p: Uint8Array): Promise<number | Deno.EOF>;
close(): void;
cancel(): Promise<void>;
getReader(): __domTypes.ReadableStreamReader;
tee(): [__domTypes.ReadableStream, __domTypes.ReadableStream];
[Symbol.asyncIterator](): AsyncIterableIterator<Uint8Array>;
}
export class Response implements __domTypes.Response {
readonly url: string;
readonly status: number;
statusText: string;
readonly type = "basic";
readonly redirected: boolean;
headers: __domTypes.Headers;
readonly trailer: Promise<__domTypes.Headers>;
bodyUsed: boolean;
readonly body: Body;
constructor(
url: string,
status: number,
headersList: Array<[string, string]>,
rid: number,
redirected_: boolean,
body_?: null | Body
);
arrayBuffer(): Promise<ArrayBuffer>;
blob(): Promise<__domTypes.Blob>;
formData(): Promise<__domTypes.FormData>;
json(): Promise<any>;
text(): Promise<string>;
readonly ok: boolean;
clone(): __domTypes.Response;
}
/** Fetch a resource from the network. */
export function fetch(
input: __domTypes.Request | __url.URL | string,
init?: __domTypes.RequestInit
): Promise<Response>;
}
declare namespace __textEncoding {
// @url js/text_encoding.d.ts
export function atob(s: string): string;
/** Creates a base-64 ASCII string from the input string. */
export function btoa(s: string): string;
export interface TextDecodeOptions {
stream?: false;
}
export interface TextDecoderOptions {
fatal?: boolean;
ignoreBOM?: boolean;
}
export class TextDecoder {
private _encoding;
/** Returns encoding's name, lowercased. */
readonly encoding: string;
/** Returns `true` if error mode is "fatal", and `false` otherwise. */
readonly fatal: boolean;
/** Returns `true` if ignore BOM flag is set, and `false` otherwise. */
readonly ignoreBOM = false;
constructor(label?: string, options?: TextDecoderOptions);
/** Returns the result of running encoding's decoder. */
decode(
input?: __domTypes.BufferSource,
options?: TextDecodeOptions
): string;
readonly [Symbol.toStringTag]: string;
}
interface TextEncoderEncodeIntoResult {
read: number;
written: number;
}
export class TextEncoder {
/** Returns "utf-8". */
readonly encoding = "utf-8";
/** Returns the result of running UTF-8's encoder. */
encode(input?: string): Uint8Array;
encodeInto(input: string, dest: Uint8Array): TextEncoderEncodeIntoResult;
readonly [Symbol.toStringTag]: string;
}
}
declare namespace __timers {
// @url js/timers.d.ts
export type Args = unknown[];
/** Sets a timer which executes a function once after the timer expires. */
export function setTimeout(
cb: (...args: Args) => void,
delay?: number,
...args: Args
): number;
/** Repeatedly calls a function , with a fixed time delay between each call. */
export function setInterval(
cb: (...args: Args) => void,
delay?: number,
...args: Args
): number;
export function clearTimeout(id?: number): void;
export function clearInterval(id?: number): void;
}
declare namespace __urlSearchParams {
// @url js/url_search_params.d.ts
export class URLSearchParams {
private params;
private url;
constructor(init?: string | string[][] | Record<string, string>);
private updateSteps;
/** Appends a specified key/value pair as a new search parameter.
*
* searchParams.append('name', 'first');
* searchParams.append('name', 'second');
*/
append(name: string, value: string): void;
/** Deletes the given search parameter and its associated value,
* from the list of all search parameters.
*
* searchParams.delete('name');
*/
delete(name: string): void;
/** Returns all the values associated with a given search parameter
* as an array.
*
* searchParams.getAll('name');
*/
getAll(name: string): string[];
/** Returns the first value associated to the given search parameter.
*
* searchParams.get('name');
*/
get(name: string): string | null;
/** Returns a Boolean that indicates whether a parameter with the
* specified name exists.
*
* searchParams.has('name');
*/
has(name: string): boolean;
/** Sets the value associated with a given search parameter to the
* given value. If there were several matching values, this method
* deletes the others. If the search parameter doesn't exist, this
* method creates it.
*
* searchParams.set('name', 'value');
*/
set(name: string, value: string): void;
/** Sort all key/value pairs contained in this object in place and
* return undefined. The sort order is according to Unicode code
* points of the keys.
*
* searchParams.sort();
*/
sort(): void;
/** Calls a function for each element contained in this object in
* place and return undefined. Optionally accepts an object to use
* as this when executing callback as second argument.
*
* searchParams.forEach((value, key, parent) => {
* console.log(value, key, parent);
* });
*
*/
forEach(
callbackfn: (value: string, key: string, parent: this) => void,
thisArg?: any
): void;
/** Returns an iterator allowing to go through all keys contained
* in this object.
*
* for (const key of searchParams.keys()) {
* console.log(key);
* }
*/
keys(): IterableIterator<string>;
/** Returns an iterator allowing to go through all values contained
* in this object.
*
* for (const value of searchParams.values()) {
* console.log(value);
* }
*/
values(): IterableIterator<string>;
/** Returns an iterator allowing to go through all key/value
* pairs contained in this object.
*
* for (const [key, value] of searchParams.entries()) {
* console.log(key, value);
* }
*/
entries(): IterableIterator<[string, string]>;
/** Returns an iterator allowing to go through all key/value
* pairs contained in this object.
*
* for (const [key, value] of searchParams[Symbol.iterator]()) {
* console.log(key, value);
* }
*/
[Symbol.iterator](): IterableIterator<[string, string]>;
/** Returns a query string suitable for use in a URL.
*
* searchParams.toString();
*/
toString(): string;
private _handleStringInitialization;
private _handleArrayInitialization;
}
}
declare namespace __url {
// @url js/url.d.ts
export interface URL {
hash: string;
host: string;
hostname: string;
href: string;
readonly origin: string;
password: string;
pathname: string;
port: string;
protocol: string;
search: string;
readonly searchParams: __urlSearchParams.URLSearchParams;
username: string;
toString(): string;
toJSON(): string;
}
export const URL: {
prototype: URL;
new (url: string, base?: string | URL): URL;
createObjectURL(object: __domTypes.Blob): string;
revokeObjectURL(url: string): void;
};
}
declare namespace __workers {
// @url js/workers.d.ts
export function encodeMessage(data: any): Uint8Array;
export function decodeMessage(dataIntArray: Uint8Array): any;
export let onmessage: (e: { data: any }) => void;
export function postMessage(data: any): void;
export function getMessage(): Promise<any>;
export let isClosing: boolean;
export function workerClose(): void;
export function workerMain(): Promise<void>;
export interface Worker {
onerror?: () => void;
onmessage?: (e: { data: any }) => void;
onmessageerror?: () => void;
postMessage(data: any): void;
closed: Promise<void>;
}
export interface WorkerOptions {}
/** Extended Deno Worker initialization options.
* `noDenoNamespace` hides global `window.Deno` namespace for
* spawned worker and nested workers spawned by it (default: false).
*/
export interface DenoWorkerOptions extends WorkerOptions {
noDenoNamespace?: boolean;
}
export class WorkerImpl implements Worker {
private readonly id;
private isClosing;
private readonly isClosedPromise;
onerror?: () => void;
onmessage?: (data: any) => void;
onmessageerror?: () => void;
constructor(specifier: string, options?: DenoWorkerOptions);
readonly closed: Promise<void>;
postMessage(data: any): void;
private run;
}
}
declare namespace __performanceUtil {
// @url js/performance.d.ts
export class Performance {
/** Returns a current time from Deno's start in milliseconds.
*
* Use the flag --allow-hrtime return a precise value.
*
* const t = performance.now();
* console.log(`${t} ms since start!`);
*/
now(): number;
}
}
// @url js/lib.web_assembly.d.ts
// This follows the WebIDL at: https://webassembly.github.io/spec/js-api/
// And follow on WebIDL at: https://webassembly.github.io/spec/web-api/
/* eslint-disable @typescript-eslint/no-unused-vars, @typescript-eslint/no-explicit-any */
declare namespace WebAssembly {
interface WebAssemblyInstantiatedSource {
module: Module;
instance: Instance;
}
/** Compiles a `WebAssembly.Module` from WebAssembly binary code. This
* function is useful if it is necessary to a compile a module before it can
* be instantiated (otherwise, the `WebAssembly.instantiate()` function
* should be used). */
function compile(bufferSource: __domTypes.BufferSource): Promise<Module>;
/** Compiles a `WebAssembly.Module` directly from a streamed underlying
* source. This function is useful if it is necessary to a compile a module
* before it can be instantiated (otherwise, the
* `WebAssembly.instantiateStreaming()` function should be used). */
function compileStreaming(
source: Promise<__domTypes.Response>
): Promise<Module>;
/** Takes the WebAssembly binary code, in the form of a typed array or
* `ArrayBuffer`, and performs both compilation and instantiation in one step.
* The returned `Promise` resolves to both a compiled `WebAssembly.Module` and
* its first `WebAssembly.Instance`. */
function instantiate(
bufferSource: __domTypes.BufferSource,
importObject?: object
): Promise<WebAssemblyInstantiatedSource>;
/** Takes an already-compiled `WebAssembly.Module` and returns a `Promise`
* that resolves to an `Instance` of that `Module`. This overload is useful if
* the `Module` has already been compiled. */
function instantiate(
module: Module,
importObject?: object
): Promise<Instance>;
/** Compiles and instantiates a WebAssembly module directly from a streamed
* underlying source. This is the most efficient, optimized way to load wasm
* code. */
function instantiateStreaming(
source: Promise<__domTypes.Response>,
importObject?: object
): Promise<WebAssemblyInstantiatedSource>;
/** Validates a given typed array of WebAssembly binary code, returning
* whether the bytes form a valid wasm module (`true`) or not (`false`). */
function validate(bufferSource: __domTypes.BufferSource): boolean;
type ImportExportKind = "function" | "table" | "memory" | "global";
interface ModuleExportDescriptor {
name: string;
kind: ImportExportKind;
}
interface ModuleImportDescriptor {
module: string;
name: string;
kind: ImportExportKind;
}
class Module {
constructor(bufferSource: __domTypes.BufferSource);
/** Given a `Module` and string, returns a copy of the contents of all
* custom sections in the module with the given string name. */
static customSections(
moduleObject: Module,
sectionName: string
): ArrayBuffer;
/** Given a `Module`, returns an array containing descriptions of all the
* declared exports. */
static exports(moduleObject: Module): ModuleExportDescriptor[];
/** Given a `Module`, returns an array containing descriptions of all the
* declared imports. */
static imports(moduleObject: Module): ModuleImportDescriptor[];
}
class Instance<T extends object = { [key: string]: any }> {
constructor(module: Module, importObject?: object);
/** An object containing as its members all the functions exported from the
* WebAssembly module instance, to allow them to be accessed and used by
* JavaScript. */
readonly exports: T;
}
interface MemoryDescriptor {
initial: number;
maximum?: number;
}
class Memory {
constructor(descriptor: MemoryDescriptor);
/** An accessor property that returns the buffer contained in the memory. */
readonly buffer: ArrayBuffer;
/** Increases the size of the memory instance by a specified number of
* WebAssembly pages (each one is 64KB in size). */
grow(delta: number): number;
}
type TableKind = "anyfunc";
interface TableDescriptor {
element: TableKind;
initial: number;
maximum?: number;
}
class Table {
constructor(descriptor: TableDescriptor);
/** Returns the length of the table, i.e. the number of elements. */
readonly length: number;
/** Accessor function — gets the element stored at a given index. */
get(index: number): (...args: any[]) => any;
/** Increases the size of the Table instance by a specified number of
* elements. */
grow(delta: number): number;
/** Sets an element stored at a given index to a given value. */
set(index: number, value: (...args: any[]) => any): void;
}
interface GlobalDescriptor {
value: string;
mutable?: boolean;
}
/** Represents a global variable instance, accessible from both JavaScript and
* importable/exportable across one or more `WebAssembly.Module` instances.
* This allows dynamic linking of multiple modules. */
class Global {
constructor(descriptor: GlobalDescriptor, value?: any);
/** Old-style method that returns the value contained inside the global
* variable. */
valueOf(): any;
/** The value contained inside the global variable — this can be used to
* directly set and get the global's value. */
value: any;
}
/** Indicates an error during WebAssembly decoding or validation */
class CompileError extends Error {
constructor(message: string, fileName?: string, lineNumber?: string);
}
/** Indicates an error during module instantiation (besides traps from the
* start function). */
class LinkError extends Error {
constructor(message: string, fileName?: string, lineNumber?: string);
}
/** Is thrown whenever WebAssembly specifies a trap. */
class RuntimeError extends Error {
constructor(message: string, fileName?: string, lineNumber?: string);
}
}
// Catch-all for JSX elements.
// See https://www.typescriptlang.org/docs/handbook/jsx.html#intrinsic-elements
declare namespace JSX {
interface IntrinsicElements {
[elemName: string]: any;
}
}
View git blame Copy permalink