protected _keyPress()

in src/Terminal.ts [1580:1613]

• 27 lines of code
• 13 McCabe index (conditional complexity)

  protected _keyPress(ev: KeyboardEvent): boolean {
    let key;

    if (this._customKeyEventHandler && this._customKeyEventHandler(ev) === false) {
      return false;
    }

    this.cancel(ev);

    if (ev.charCode) {
      key = ev.charCode;
    } else if (ev.which === null || ev.which === undefined) {
      key = ev.keyCode;
    } else if (ev.which !== 0 && ev.charCode !== 0) {
      key = ev.which;
    } else {
      return false;
    }

    if (!key || (
      (ev.altKey || ev.ctrlKey || ev.metaKey) && !this._isThirdLevelShift(this.browser, ev)
    )) {
      return false;
    }

    key = String.fromCharCode(key);

    this.emit('keypress', key, ev);
    this.emit('key', key, ev);
    this.showCursor();
    this.handler(key);

    return true;
  }