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stat.ts
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stat.ts
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// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
import * as msg from "gen/cli/msg_generated";
import * as flatbuffers from "./flatbuffers";
import * as dispatch from "./dispatch";
import { assert } from "./util";
import { FileInfo, FileInfoImpl } from "./file_info";
function req(
filename: string,
lstat: boolean
): [flatbuffers.Builder, msg.Any, flatbuffers.Offset] {
const builder = flatbuffers.createBuilder();
const filename_ = builder.createString(filename);
const inner = msg.Stat.createStat(builder, filename_, lstat);
return [builder, msg.Any.Stat, inner];
}
function res(baseRes: null | msg.Base): FileInfo {
assert(baseRes != null);
assert(msg.Any.StatRes === baseRes!.innerType());
const res = new msg.StatRes();
assert(baseRes!.inner(res) != null);
return new FileInfoImpl(res);
}
/** 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 async function lstat(filename: string): Promise<FileInfo> {
return res(await dispatch.sendAsync(...req(filename, true)));
}
/** 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 {
return res(dispatch.sendSync(...req(filename, true)));
}
/** 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 async function stat(filename: string): Promise<FileInfo> {
return res(await dispatch.sendAsync(...req(filename, false)));
}
/** 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 {
return res(dispatch.sendSync(...req(filename, false)));
}