deno.land / std@0.166.0 / fs / ensure_file.ts

ensure_file.ts
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// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.import * as path from "../path/mod.ts";import { ensureDir, ensureDirSync } from "./ensure_dir.ts";import { getFileInfoType, toPathString } from "./_util.ts";
/** * Ensures that the file exists. * If the file that is requested to be created is in directories that do not * exist. * these directories are created. If the file already exists, * it is NOTMODIFIED. * Requires the `--allow-read` and `--allow-write` flag. */export async function ensureFile(filePath: string | URL) { try { // if file exists const stat = await Deno.lstat(filePath); if (!stat.isFile) { throw new Error( `Ensure path exists, expected 'file', got '${getFileInfoType(stat)}'`, ); } } catch (err) { // if file not exists if (err instanceof Deno.errors.NotFound) { // ensure dir exists await ensureDir(path.dirname(toPathString(filePath))); // create file await Deno.writeFile(filePath, new Uint8Array()); return; }
throw err; }}
/** * Ensures that the file exists. * If the file that is requested to be created is in directories that do not * exist, * these directories are created. If the file already exists, * it is NOT MODIFIED. * Requires the `--allow-read` and `--allow-write` flag. */export function ensureFileSync(filePath: string | URL) { try { // if file exists const stat = Deno.lstatSync(filePath); if (!stat.isFile) { throw new Error( `Ensure path exists, expected 'file', got '${getFileInfoType(stat)}'`, ); } } catch (err) { // if file not exists if (err instanceof Deno.errors.NotFound) { // ensure dir exists ensureDirSync(path.dirname(toPathString(filePath))); // create file Deno.writeFileSync(filePath, new Uint8Array()); return; } throw err; }}
std
Deno standard library
GitHub Repositorydenoland/deno_std
GitHub Stars
2458

Version Info

Tagged at
2 months ago