/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
/** @typedef {import("./Resolver").FileSystem} FileSystem */
/** @typedef {import("./Resolver").SyncFileSystem} SyncFileSystem */
/**
* @param {SyncFileSystem} fs file system implementation
* @constructor
*/
function SyncAsyncFileSystemDecorator(fs) {
this.fs = fs;
/** @type {FileSystem["lstat"] | undefined} */
this.lstat = undefined;
/** @type {SyncFileSystem["lstatSync"] | undefined} */
this.lstatSync = undefined;
const lstatSync = fs.lstatSync;
if (lstatSync) {
this.lstat = (arg, options, callback) => {
let result;
try {
result = lstatSync.call(fs, arg);
} catch (e) {
// @ts-ignore
return (callback || options)(e);
}
// @ts-ignore
(callback || options)(null, result);
};
this.lstatSync = (arg, options) => lstatSync.call(fs, arg, options);
}
// @ts-ignore
this.stat = (arg, options, callback) => {
let result;
try {
result = callback ? fs.statSync(arg, options) : fs.statSync(arg);
} catch (e) {
return (callback || options)(e);
}
(callback || options)(null, result);
};
/** @type {SyncFileSystem["statSync"]} */
this.statSync = (arg, options) => fs.statSync(arg, options);
// @ts-ignore
this.readdir = (arg, options, callback) => {
let result;
try {
result = fs.readdirSync(arg);
} catch (e) {
return (callback || options)(e);
}
(callback || options)(null, result);
};
/** @type {SyncFileSystem["readdirSync"]} */
this.readdirSync = (arg, options) => fs.readdirSync(arg, options);
// @ts-ignore
this.readFile = (arg, options, callback) => {
let result;
try {
result = fs.readFileSync(arg);
} catch (e) {
return (callback || options)(e);
}
(callback || options)(null, result);
};
/** @type {SyncFileSystem["readFileSync"]} */
this.readFileSync = (arg, options) => fs.readFileSync(arg, options);
// @ts-ignore
this.readlink = (arg, options, callback) => {
let result;
try {
result = fs.readlinkSync(arg);
} catch (e) {
return (callback || options)(e);
}
(callback || options)(null, result);
};
/** @type {SyncFileSystem["readlinkSync"]} */
this.readlinkSync = (arg, options) => fs.readlinkSync(arg, options);
/** @type {FileSystem["readJson"] | undefined} */
this.readJson = undefined;
/** @type {SyncFileSystem["readJsonSync"] | undefined} */
this.readJsonSync = undefined;
const readJsonSync = fs.readJsonSync;
if (readJsonSync) {
this.readJson = (arg, options, callback) => {
let result;
try {
result = readJsonSync.call(fs, arg);
} catch (e) {
// @ts-ignore
return (callback || options)(e);
}
(callback || options)(null, result);
};
this.readJsonSync = (arg, options) => readJsonSync.call(fs, arg, options);
}
}
module.exports = SyncAsyncFileSystemDecorator;