Method _keydown

src/material/chips/chip-input.ts:160–171

Utility method to make host definition/tests more clear.

(event: KeyboardEvent)

  /** Utility method to make host definition/tests more clear. */
  _keydown(event: KeyboardEvent) {
    if (this.empty && event.keyCode === BACKSPACE) {
      // Ignore events where the user is holding down backspace
      // so that we don't accidentally remove too many chips.
      if (!event.repeat) {
        this._chipGrid._focusLastChip();
      }
      event.preventDefault();
    } else {
      this._emitChipEnd(event);
    }
  }

  /** Checks to see if the blur should emit the (chipEnd) event. */
  _blur() {