debug模式
- backtrace, bt - Print backtrace of current execution frame显示调用栈,不包括require
- restart 快速重启
- repl 交互式
c继续
module.exports与exports
exports.camelCaseKeys = require(‘./camel_case_keys’);
module.exports = entry;
require.resolve
fs.readFileSync(path.join(__dirname, './assets/some-file.txt'));
等同于fs.readFileSync(require.resolve('./assets/some-file.txt'));
- 省略了一道检查文件是否存在的工序 (fs.exists).