Method copyFile

lib/internal/vfs/provider.js:387–398

* Copies a file. * @param {string} src Source path * @param {string} dest Destination path * @param {number} [mode] Copy mode flags * @returns {Promise }

(src, dest, mode)

   * @returns {Promise<void>}
   */
  async copyFile(src, dest, mode) {
    if (this.readonly) {
      throw createEROFS('copyfile', dest);
    }
    if ((mode & COPYFILE_EXCL) !== 0) {
      if (await this.exists(dest)) {
        throw createEEXIST('copyfile', dest);
      }
    }
    const content = await this.readFile(src);
    await this.writeFile(dest, content);
  }

  /**
   * Copies a file synchronously.