Method init

content_scripts/mode_key_handler.js:36–58

(options)

  }

  init(options) {
    const args = Object.assign(options, { keydown: this.onKeydown.bind(this) });
    super.init(args);

    this.commandHandler = options.commandHandler || (function () {});
    this.setKeyMapping(options.keyMapping || {});

    if (options.exitOnEscape) {
      // If we're part way through a command's key sequence, then a first Escape should reset the
      // key state, and only a second Escape should actually exit this mode.
      this.push({
        _name: "key-handler-escape-listener",
        keydown: (event) => {
          if (KeyboardUtils.isEscape(event) && !this.isInResetState()) {
            this.reset();
            return this.suppressEvent;
          } else {
            return this.continueBubbling;
          }
        },
      });
    }
  }

  onKeydown(event) {
    const keyChar = KeyboardUtils.getKeyCharString(event);