zoro-cli/src/handlePath.js

const path = require('path');
const fs = require('fs-extra');

const cwd = process.cwd();

module.exports = function handlePath({ file, override }) {
  let fromName;
  let toName;
  if (typeof file === 'object') {
    fromName = file.from;
    toName = file.to;
  } else {
    fromName = file;
    toName = file;
  }
  const to = path.join(cwd, toName);
  let pathExist = false;
  return fs
    .pathExists(to)
    .then(exists => {
      pathExist = exists;
      // backup file if exist and override
      if (exists && override) {
        const backup = path.join(cwd, `backup/${toName}.${+new Date()}.backup`);
        console.warn(`backup ${toName} to ${backup}`);
        return fs.copy(to, backup);
      }
    })
    .then(() => {
      if (!pathExist || override) {
        // copy file
        const from = path.join(__dirname, `../res/configs/${fromName}`);
        console.log(`copy ${from} to ${to}`);
        return fs.copy(from, to);
      }
      console.log(`skip ${toName}`);
    });
};