Method reset

content_scripts/mode_key_handler.js:30–34

(countPrefix)

  // Reset the key state, optionally retaining the count provided.
  reset(countPrefix) {
    if (countPrefix == null) countPrefix = 0;
    this.countPrefix = countPrefix;
    this.keyState = [this.keyMapping];
  }

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