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72 lines
2.5 KiB
TypeScript
72 lines
2.5 KiB
TypeScript
// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
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import * as msg from "gen/msg_generated";
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import * as flatbuffers from "./flatbuffers";
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import * as dispatch from "./dispatch";
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import { assert } from "./util";
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export interface MakeTempDirOptions {
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dir?: string;
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prefix?: string;
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suffix?: string;
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}
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/** makeTempDirSync is the synchronous version of `makeTempDir`.
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*
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* import { makeTempDirSync } from "deno";
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* const tempDirName0 = makeTempDirSync();
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* const tempDirName1 = makeTempDirSync({ prefix: 'my_temp' });
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*/
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export function makeTempDirSync(options: MakeTempDirOptions = {}): string {
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return res(dispatch.sendSync(...req(options)));
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}
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/** makeTempDir creates a new temporary directory in the directory `dir`, its
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* name beginning with `prefix` and ending with `suffix`.
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* It returns the full path to the newly created directory.
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* If `dir` is unspecified, tempDir uses the default directory for temporary
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* files. Multiple programs calling tempDir simultaneously will not choose the
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* same directory. It is the caller's responsibility to remove the directory
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* when no longer needed.
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*
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* import { makeTempDir } from "deno";
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* const tempDirName0 = await makeTempDir();
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* const tempDirName1 = await makeTempDir({ prefix: 'my_temp' });
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*/
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export async function makeTempDir(
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options: MakeTempDirOptions = {}
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): Promise<string> {
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return res(await dispatch.sendAsync(...req(options)));
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}
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function req({
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dir,
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prefix,
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suffix
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}: MakeTempDirOptions): [flatbuffers.Builder, msg.Any, flatbuffers.Offset] {
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const builder = flatbuffers.createBuilder();
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const fbDir = dir == null ? -1 : builder.createString(dir);
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const fbPrefix = prefix == null ? -1 : builder.createString(prefix);
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const fbSuffix = suffix == null ? -1 : builder.createString(suffix);
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msg.MakeTempDir.startMakeTempDir(builder);
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if (dir != null) {
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msg.MakeTempDir.addDir(builder, fbDir);
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}
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if (prefix != null) {
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msg.MakeTempDir.addPrefix(builder, fbPrefix);
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}
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if (suffix != null) {
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msg.MakeTempDir.addSuffix(builder, fbSuffix);
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}
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const inner = msg.MakeTempDir.endMakeTempDir(builder);
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return [builder, msg.Any.MakeTempDir, inner];
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}
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function res(baseRes: null | msg.Base): string {
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assert(baseRes != null);
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assert(msg.Any.MakeTempDirRes === baseRes!.innerType());
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const res = new msg.MakeTempDirRes();
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assert(baseRes!.inner(res) != null);
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const path = res.path();
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assert(path != null);
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return path!;
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}
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