writingMode(mode) {
    let WRITING_MODE = Object(_utils_core__WEBPACK_IMPORTED_MODULE_1__["prefixed"])("writing-mode");

    if (mode && this.documentElement) {
      this.documentElement.style[WRITING_MODE] = mode;
    }

    return this.window.getComputedStyle(this.documentElement)[WRITING_MODE] || '';
  }
Set the writingMode of the text
@param {string} [mode="horizontal-tb"] "horizontal-tb" | "vertical-rl" | "vertical-lr"