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denoland-deno/js/make_temp_dir.ts
Ryan Dahl c9614d86c1
Move //libdeno to //core/libdeno (#2015)
Fixes some sed errors introduced in c43cfe.

Unfortunately moving libdeno required splitting build.rs into two parts,
one for cli and one for core.

I've also removed the arm64 build - it's complicating things at this
re-org and we're not even testing it. I need to swing back to it and get
tools/test.py running for it.
2019-03-30 14:45:36 -04:00

70 lines
2.4 KiB
TypeScript

// 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";
export interface MakeTempDirOptions {
dir?: string;
prefix?: string;
suffix?: string;
}
function req({
dir,
prefix,
suffix
}: MakeTempDirOptions): [flatbuffers.Builder, msg.Any, flatbuffers.Offset] {
const builder = flatbuffers.createBuilder();
const fbDir = dir == null ? -1 : builder.createString(dir);
const fbPrefix = prefix == null ? -1 : builder.createString(prefix);
const fbSuffix = suffix == null ? -1 : builder.createString(suffix);
msg.MakeTempDir.startMakeTempDir(builder);
if (dir != null) {
msg.MakeTempDir.addDir(builder, fbDir);
}
if (prefix != null) {
msg.MakeTempDir.addPrefix(builder, fbPrefix);
}
if (suffix != null) {
msg.MakeTempDir.addSuffix(builder, fbSuffix);
}
const inner = msg.MakeTempDir.endMakeTempDir(builder);
return [builder, msg.Any.MakeTempDir, inner];
}
function res(baseRes: null | msg.Base): string {
assert(baseRes != null);
assert(msg.Any.MakeTempDirRes === baseRes!.innerType());
const res = new msg.MakeTempDirRes();
assert(baseRes!.inner(res) != null);
const path = res.path();
assert(path != null);
return path!;
}
/** makeTempDirSync is the synchronous version of `makeTempDir`.
*
* const tempDirName0 = Deno.makeTempDirSync();
* const tempDirName1 = Deno.makeTempDirSync({ prefix: 'my_temp' });
*/
export function makeTempDirSync(options: MakeTempDirOptions = {}): string {
return res(dispatch.sendSync(...req(options)));
}
/** 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 async function makeTempDir(
options: MakeTempDirOptions = {}
): Promise<string> {
return res(await dispatch.sendAsync(...req(options)));
}