Method _startEditing

src/material/chips/chip-row.ts:194–219

(event?: Event)

  }

  private _startEditing(event?: Event) {
    if (
      !this.primaryAction ||
      (this.removeIcon &&
        !!event &&
        this._getSourceAction(event.target as Node) === this.removeIcon)
    ) {
      return;
    }

    // The value depends on the DOM so we need to extract it before we flip the flag.
    const value = this.value;

    this._isEditing = this._editStartPending = true;

    // Defer initializing the input until after it has been added to the DOM.
    afterNextRender(
      () => {
        this._getEditInput().initialize(value);

        // Necessary when using edit icon to prevent edit from aborting
        setTimeout(() => this._ngZone.run(() => (this._editStartPending = false)));
      },
      {injector: this._injector},
    );
  }

  private _onEditFinish() {
    this._isEditing = this._editStartPending = false;