Method add

src/material/chips/chip-grid.spec.ts:1207–1223

(event: MatChipInputEvent)

  addOnBlur: boolean = true;

  add(event: MatChipInputEvent): void {
    const value = (event.value || '').trim();

    // Add our foods
    if (value) {
      this.foods.update(current => [
        ...current,
        {
          value: `${value.toLowerCase()}-${current.length}`,
          viewValue: value,
        },
      ]);
    }

    // Reset the input value
    event.chipInput!.clear();
  }

  remove(food: any): void {
    const index = this.foods().indexOf(food);