Function writeFile

lib/internal/vfs/setup.js:588–590

(path, data, options)

      return undefined;
    },
    writeFile(path, data, options) {
      return vfsOp(path, (vfs, n) => vfs.promises.writeFile(n, data, options).then(() => true));
    },
    appendFile(path, data, options) {
      return vfsOp(path, (vfs, n) => vfs.promises.appendFile(n, data, options).then(() => true));
    },