code: function env(file, inject) {
      const envs = {};
      if (!path.isAbsolute(file)) {
          file = path.resolve(process.cwd(), file);
      }
      if (fs.existsSync(file) && fs.lstatSync(file).isFile()) {
          const content = fs.readFileSync(file, 'utf8');
          content.split('\n').forEach(line => {
              const kv = line.match(/^\s*([\w.-]+)\s*=\s*(.*)?\s*$/);
              if (kv) {
                  const k = kv[1];
                  let v = kv[2] || '';
                  if (
                      v &&
                      v.length > 0 &&
                      v.charAt(0) === '"' &&
                      v.charAt(v.length - 1) === '"'
                  ) {
                      v = v.replace(/\\n/gm, '\n');
                  }
                  v = v.replace(/(^['"]|['"]$)/g, '').trim();
                  envs[k] = v;
              }
          });
      }
  
      if (inject) {
          Object.keys(envs).forEach(k => {
              if (!(k in process.env)) {
                  process.env[k] = envs[k];
              }
          });
      }
  
      return envs;
  }
docs: Read envs from file path
  
  @param {string} file
  @param {boolean} [inject]
  @returns {{[x: string]: string}}