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denoland-deno/cli/js/stat.ts
dubiousjim acf0958e94
Rename name/filename arguments to path (#4227)
There's a lot of variation in doc comments and internal code about
whether the first parameter to file system calls is `path` or `name` or
`filename`. For consistency, have made it always be `path`.
2020-03-06 11:29:23 -05:00

84 lines
2.2 KiB
TypeScript

// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
import { sendSync, sendAsync } from "./dispatch_json.ts";
import { FileInfo, FileInfoImpl } from "./file_info.ts";
/** @internal */
export interface StatResponse {
isFile: boolean;
isSymlink: boolean;
len: number;
modified: number;
accessed: number;
created: number;
name: string | null;
// Unix only members
dev: number;
ino: number;
mode: number;
nlink: number;
uid: number;
gid: number;
rdev: number;
blksize: number;
blocks: number;
}
/** Resolves to a `Deno.FileInfo` for the specified `path`. If `path` is a
* symlink, information for the symlink will be returned.
*
* const fileInfo = await Deno.lstat("hello.txt");
* assert(fileInfo.isFile());
*
* Requires `allow-read` permission. */
export async function lstat(path: string): Promise<FileInfo> {
const res = (await sendAsync("op_stat", {
path,
lstat: true
})) as StatResponse;
return new FileInfoImpl(res);
}
/** Synchronously returns a `Deno.FileInfo` for the specified `path`. If
* `path` is a symlink, information for the symlink will be returned.
*
* const fileInfo = Deno.lstatSync("hello.txt");
* assert(fileInfo.isFile());
*
* Requires `allow-read` permission. */
export function lstatSync(path: string): FileInfo {
const res = sendSync("op_stat", {
path,
lstat: true
}) as StatResponse;
return new FileInfoImpl(res);
}
/** Resolves to a `Deno.FileInfo` for the specified `path`. Will always
* follow symlinks.
*
* const fileInfo = await Deno.stat("hello.txt");
* assert(fileInfo.isFile());
*
* Requires `allow-read` permission. */
export async function stat(path: string): Promise<FileInfo> {
const res = (await sendAsync("op_stat", {
path,
lstat: false
})) as StatResponse;
return new FileInfoImpl(res);
}
/** Synchronously returns a `Deno.FileInfo` for the specified `path`. Will
* always follow symlinks.
*
* const fileInfo = Deno.statSync("hello.txt");
* assert(fileInfo.isFile());
*
* Requires `allow-read` permission. */
export function statSync(path: string): FileInfo {
const res = sendSync("op_stat", {
path,
lstat: false
}) as StatResponse;
return new FileInfoImpl(res);
}