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79 lines
2.2 KiB
TypeScript
79 lines
2.2 KiB
TypeScript
// Loaded from https://raw.githubusercontent.com/denjucks/dex/master/lib/util/fs.js
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import * as path from "../deps/path/mod.ts";
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export const stat = Deno.stat;
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export const readFile = Deno.readFile;
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export const writeFile = Deno.writeFile;
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export const readdir = Deno.readdir;
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/**
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* Converts a file path to a Windows file path. The version of deno I was using
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* returned unix-style paths on Windows systems instead Windows style
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* @todo check if the current version of Deno corrects this issue
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*
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* @param {string} filePath is the file path that will be converted
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* @returns {string} the modified file path
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*/
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function crossPlatformPathConversion(filePath) {
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if (Deno.build.os === "win") {
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filePath = filePath.split("/").join("\\");
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filePath = filePath.substr(1, filePath.length - 1);
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}
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return filePath
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}
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/**
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* Modified mkdirp function using Deno APIs. The NPM mkdirp package creates
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* directories recursively and then returns the first new one created. This
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* function instead returns the absolute path of the directory created or
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* not created. When a directory already exists, mkdirp returns undefined. Given
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* knex is using this function mainly to check if a directory exists and then
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* create one if it doesn't, this function should work as a substitute for mkdirp,
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* despite not having the exact same API.
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*
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* @param {string} dir is the directory that will be created (recursivly)
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* @returns {Promise<string>} returns a Promise with the string of the directory created
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*/
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function mkdirp(dir) {
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const __dirname = crossPlatformPathConversion(new URL(".", import.meta.url).pathname);
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let newDir = path.join(__dirname, startDir);
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return Deno.mkdir(dir, {recursive: true}).then(() => newDir);
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}
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/**
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* Creates a temporary directory and returns it path.
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*
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* @returns {Promise<string>}
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*/
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function createTemp() {
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return Deno.makeTempDir();
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}
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/**
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* Ensures the given path exists.
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* - If the path already exist, it's fine - it does nothing.
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* - If the path doesn't exist, it will create it.
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*
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* @param {string} path
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* @returns {Promise}
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*/
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export function ensureDirectoryExists(dir) {
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return stat(dir).catch(() => mkdirp(dir));
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}
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export default {
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stat,
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readdir,
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readFile,
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writeFile,
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createTemp,
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ensureDirectoryExists,
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};
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