flow-build/src/utils/checkRequiredFiles.js

打包工具

/**
 * 检测文件是否存在
 */
"use strict";

var fs = require("fs");
var path = require("path");
var chalk = require("chalk");

/**
 * @param {array} files 
 */
function checkRequiredFiles(files) {
    var currentFilePath;
    try {
        files.forEach(filePath => {
            currentFilePath = filePath;
            fs.accessSync(filePath, fs.F_OK);
        });
        return true;
    } catch (err) {
        var dirName = path.dirname(currentFilePath);
        var fileName = path.basename(currentFilePath);
        console.log(chalk.red("Could not find a required file."));
        console.log(chalk.red("  Name: ") + chalk.cyan(fileName));
        console.log(chalk.red("  Searched in: ") + chalk.cyan(dirName));
        return false;
    }
}

module.exports = checkRequiredFiles;