Chris@0: const chalk = require('chalk');
Chris@0: const fs = require('fs');
Chris@0: const log = require('./log');
Chris@0: const compile = require('./compile');
Chris@0: 
Chris@0: module.exports = (filePath) => {
Chris@0:   log(`'${filePath}' is being checked.`);
Chris@0:   // Transform the file.
Chris@0:   compile(filePath, function check(code) {
Chris@0:     const fileName = filePath.slice(0, -7);
Chris@0:     fs.readFile(`${fileName}.js`, function read(err, data) {
Chris@0:       if (err) {
Chris@0:         log(chalk.red(err));
Chris@0:         process.exitCode = 1;
Chris@0:         return;
Chris@0:       }
Chris@0:       if (code !== data.toString()) {
Chris@0:         log(chalk.red(`'${filePath}' is not updated.`));
Chris@0:         process.exitCode = 1;
Chris@0:       }
Chris@0:     });
Chris@0:   });
Chris@0: }