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c390291687
PiperOrigin-RevId: 576601342
50 lines
1.3 KiB
TypeScript
50 lines
1.3 KiB
TypeScript
/**
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* @license
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* Copyright 2023 Google LLC
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* SPDX-License-Identifier: Apache-2.0
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*/
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import {Harness} from '../testing/harness.js';
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import {Chip} from './internal/chip.js';
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/**
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* Test harness for chips.
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*/
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export class ChipHarness extends Harness<Chip> {
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action: 'primary' | 'trailing' = 'primary';
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protected override async getInteractiveElement() {
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await this.element.updateComplete;
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const {primaryId} = this.element as unknown as {primaryId: string};
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const primaryAction =
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primaryId &&
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this.element.renderRoot.querySelector<HTMLElement>(`#${primaryId}`);
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// Retrieve MultiActionChip's trailingAction
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const {trailingAction} = this.element as {
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trailingAction?: HTMLElement | null;
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};
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// Default to trailing action if there isn't a primary action and the user
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// didn't explicitly set `harness.action = 'trailing'` (remove-only input
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// chips).
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if (this.action === 'trailing' || !primaryAction) {
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if (!trailingAction) {
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throw new Error(
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'`ChipHarness.action` is "trailing", but the chip does not have a trailing action.',
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);
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}
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return trailingAction;
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}
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if (!primaryAction) {
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throw new Error(
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'`ChipHarness.action` is "primary", but the chip does not have a primary action.',
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);
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}
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return primaryAction;
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}
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}
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