vue hello world项目
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'use strict';
const {promisify} = require('util');
const fs = require('fs');
async function isType(fsStatType, statsMethodName, filePath) {
if (typeof filePath !== 'string') {
throw new TypeError(`Expected a string, got ${typeof filePath}`);
}
try {
const stats = await promisify(fs[fsStatType])(filePath);
return stats[statsMethodName]();
} catch (error) {
if (error.code === 'ENOENT') {
return false;
}
throw error;
}
}
function isTypeSync(fsStatType, statsMethodName, filePath) {
if (typeof filePath !== 'string') {
throw new TypeError(`Expected a string, got ${typeof filePath}`);
}
try {
return fs[fsStatType](filePath)[statsMethodName]();
} catch (error) {
if (error.code === 'ENOENT') {
return false;
}
throw error;
}
}
exports.isFile = isType.bind(null, 'stat', 'isFile');
exports.isDirectory = isType.bind(null, 'stat', 'isDirectory');
exports.isSymlink = isType.bind(null, 'lstat', 'isSymbolicLink');
exports.isFileSync = isTypeSync.bind(null, 'statSync', 'isFile');
exports.isDirectorySync = isTypeSync.bind(null, 'statSync', 'isDirectory');
exports.isSymlinkSync = isTypeSync.bind(null, 'lstatSync', 'isSymbolicLink');