// 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 } 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) {
    try {
        // if file exists
        const stat = await Deno.lstat(filePath);
        if (!stat.isFile) {
            throw new Error(`Ensure path exists, expected 'file', got '${getFileInfoType(stat)}'`);
        }
    } catch (err) {
        // if file not exists
        if (err instanceof Deno.errors.NotFound) {
            // ensure dir exists
            await ensureDir(path.dirname(filePath));
            // create file
            await Deno.writeFile(filePath, new Uint8Array());
            return;
        }
        throw err;
    }
}
/**
 * Ensures that the file exists.
 * If the file that is requested to be created is in directories that do not
 * exist,
 * these directories are created. If the file already exists,
 * it is NOT MODIFIED.
 * Requires the `--allow-read` and `--allow-write` flag.
 */ export function ensureFileSync(filePath) {
    try {
        // if file exists
        const stat = Deno.lstatSync(filePath);
        if (!stat.isFile) {
            throw new Error(`Ensure path exists, expected 'file', got '${getFileInfoType(stat)}'`);
        }
    } catch (err) {
        // if file not exists
        if (err instanceof Deno.errors.NotFound) {
            // ensure dir exists
            ensureDirSync(path.dirname(filePath));
            // create file
            Deno.writeFileSync(filePath, new Uint8Array());
            return;
        }
        throw err;
    }
}
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