deno/js/dir.ts

35 lines
1.2 KiB
TypeScript

// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
import * as msg from "gen/cli/msg_generated";
import { assert } from "./util";
import * as flatbuffers from "./flatbuffers";
import { sendSync } from "./dispatch";
/**
* `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 {
const builder = flatbuffers.createBuilder();
msg.Cwd.startCwd(builder);
const inner = msg.Cwd.endCwd(builder);
const baseRes = sendSync(builder, msg.Any.Cwd, inner);
assert(baseRes != null);
assert(msg.Any.CwdRes === baseRes!.innerType());
const res = new msg.CwdRes();
assert(baseRes!.inner(res) != null);
return res.cwd()!;
}
/**
* `chdir()` Change the current working directory to path.
* throws `NotFound` exception if directory not available
*/
export function chdir(directory: string): void {
const builder = flatbuffers.createBuilder();
const directory_ = builder.createString(directory);
const inner = msg.Chdir.createChdir(builder, directory_);
sendSync(builder, msg.Any.Chdir, inner);
}