basant307/AI_Governance_Project

1'use strict';2const fs = require('fs');3const path = require('path');4const {promisify} = require('util');5const semverGte = require('semver/functions/gte');6 7const useNativeRecursiveOption = semverGte(process.version, '10.12.0');8 9// https://github.com/nodejs/node/issues/898710// https://github.com/libuv/libuv/pull/108811const checkPath = pth => {12	if (process.platform === 'win32') {13		const pathHasInvalidWinCharacters = /[<>:"|?*]/.test(pth.replace(path.parse(pth).root, ''));14 15		if (pathHasInvalidWinCharacters) {16			const error = new Error(`Path contains invalid characters: ${pth}`);17			error.code = 'EINVAL';18			throw error;19		}20	}21};22 23const processOptions = options => {24	const defaults = {25		mode: 0o777,26		fs27	};28 29	return {30		...defaults,31		...options32	};33};34 35const permissionError = pth => {36	// This replicates the exception of `fs.mkdir` with native the37	// `recusive` option when run on an invalid drive under Windows.38	const error = new Error(`operation not permitted, mkdir '${pth}'`);39	error.code = 'EPERM';40	error.errno = -4048;41	error.path = pth;42	error.syscall = 'mkdir';43	return error;44};45 46const makeDir = async (input, options) => {47	checkPath(input);48	options = processOptions(options);49 50	const mkdir = promisify(options.fs.mkdir);51	const stat = promisify(options.fs.stat);52 53	if (useNativeRecursiveOption && options.fs.mkdir === fs.mkdir) {54		const pth = path.resolve(input);55 56		await mkdir(pth, {57			mode: options.mode,58			recursive: true59		});60 61		return pth;62	}63 64	const make = async pth => {65		try {66			await mkdir(pth, options.mode);67 68			return pth;69		} catch (error) {70			if (error.code === 'EPERM') {71				throw error;72			}73 74			if (error.code === 'ENOENT') {75				if (path.dirname(pth) === pth) {76					throw permissionError(pth);77				}78 79				if (error.message.includes('null bytes')) {80					throw error;81				}82 83				await make(path.dirname(pth));84 85				return make(pth);86			}87 88			try {89				const stats = await stat(pth);90				if (!stats.isDirectory()) {91					throw new Error('The path is not a directory');92				}93			} catch {94				throw error;95			}96 97			return pth;98		}99	};100 101	return make(path.resolve(input));102};103 104module.exports = makeDir;105 106module.exports.sync = (input, options) => {107	checkPath(input);108	options = processOptions(options);109 110	if (useNativeRecursiveOption && options.fs.mkdirSync === fs.mkdirSync) {111		const pth = path.resolve(input);112 113		fs.mkdirSync(pth, {114			mode: options.mode,115			recursive: true116		});117 118		return pth;119	}120 121	const make = pth => {122		try {123			options.fs.mkdirSync(pth, options.mode);124		} catch (error) {125			if (error.code === 'EPERM') {126				throw error;127			}128 129			if (error.code === 'ENOENT') {130				if (path.dirname(pth) === pth) {131					throw permissionError(pth);132				}133 134				if (error.message.includes('null bytes')) {135					throw error;136				}137 138				make(path.dirname(pth));139				return make(pth);140			}141 142			try {143				if (!options.fs.statSync(pth).isDirectory()) {144					throw new Error('The path is not a directory');145				}146			} catch {147				throw error;148			}149		}150 151		return pth;152	};153 154	return make(path.resolve(input));155};156