696beaee-fe4f-46a3-8046-34c6e5172059

Committed 19 May 2025 02:18AM UTC coverage: 90.193% (-0.02%) from 90.209%

Build # 696beaee-fe4f-46a3-8046-34c6e5172059

Build Type

Pull #3429

circleci

Committed by

xinglu01

Commit Message

Merge branch 'master' of github.com:atinc/ngx-tethys into xl/#TINFR-1469

Pull Request Pull Request #3429: feat(dropdown): migrate to signal for dropdown @wumeimin @luxiaobei

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Branch coverage included in aggregate %.

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88.89

/src/anchor/anchor.component.ts

import { Platform } from '@angular/cdk/platform';
import {
    AfterViewInit,
    ChangeDetectionStrategy,
    ChangeDetectorRef,
    Component,
    ElementRef,
    NgZone,
    OnDestroy,
    Renderer2,
    ViewEncapsulation,
    numberAttribute,
    inject,
    input,
    viewChild,
    output,
    effect,
    computed,
    Signal
} from '@angular/core';
import { Subject, fromEvent } from 'rxjs';
import { takeUntil, throttleTime } from 'rxjs/operators';

import { DOCUMENT, NgClass, NgStyle, NgTemplateOutlet } from '@angular/common';
import { ThyAffix } from 'ngx-tethys/affix';
import { ThyScrollService } from 'ngx-tethys/core';
import { coerceBooleanProperty, getOffset } from 'ngx-tethys/util';
import { ThyAnchorLink } from './anchor-link.component';
import { IThyAnchorComponent, THY_ANCHOR_COMPONENT } from './anchor.token';

interface Section {
    linkComponent: ThyAnchorLink;
    top: number;
}

const sharpMatcherRegx = /#([^#]+)$/;

/**
 * 锚点组件
 * @name thy-anchor
 */
@Component({
    selector: 'thy-anchor',
    exportAs: 'thyAnchor',
    preserveWhitespaces: false,
    template: `
        @if (thyAffix()) {
            <thy-affix [thyOffsetTop]="thyOffsetTop()" [thyContainer]="container()">
                <ng-template [ngTemplateOutlet]="content"></ng-template>
            </thy-affix>
        } @else {
            <ng-template [ngTemplateOutlet]="content"></ng-template>
        }
        <ng-template #content>
            <div
                class="thy-anchor-wrapper"
                [ngClass]="{ 'thy-anchor-wrapper-horizontal': thyDirection() === 'horizontal' }"
                [ngStyle]="wrapperStyle()">
                <div class="thy-anchor">
                    <div class="thy-anchor-ink">
                        <div class="thy-anchor-ink-full" #ink></div>
                    </div>
                    <ng-content></ng-content>
                </div>
            </div>
        </ng-template>
    `,
    encapsulation: ViewEncapsulation.None,
    changeDetection: ChangeDetectionStrategy.OnPush,
    imports: [ThyAffix, NgTemplateOutlet, NgStyle, NgClass],
    providers: [
        {
            provide: THY_ANCHOR_COMPONENT,
            useExisting: ThyAnchor
        }
    ]
})
export class ThyAnchor implements IThyAnchorComponent, OnDestroy, AfterViewInit {
    private document = inject(DOCUMENT);
    private cdr = inject(ChangeDetectorRef);
    private platform = inject(Platform);
    private zone = inject(NgZone);
    private renderer = inject(Renderer2);
    private scrollService = inject(ThyScrollService);

    readonly ink = viewChild.required<ElementRef>('ink');

    /**
     * 固定模式
     */
    readonly thyAffix = input(true, { transform: coerceBooleanProperty });

    /**
     * 锚点区域边界，单位：px
     */
    readonly thyBounds = input(5, { transform: numberAttribute });

    /**
     * 缓冲的偏移量阈值
     */
    readonly thyOffsetTop = input<number, unknown>(undefined, { transform: numberAttribute });

    /**
     * 指定滚动的容器
     */
    readonly thyContainer = input<string | HTMLElement>(undefined);

    /**
     * 设置导航方向
     */
    readonly thyDirection = input<'vertical' | 'horizontal'>('vertical');

    /**
     * 点击项触发
     */
    readonly thyClick = output<ThyAnchorLink>();

    /**
     * 滚动到某锚点时触发
     */
    readonly thyScroll = output<ThyAnchorLink>();

    visible = false;

    readonly wrapperStyle = computed(() => {
        return {
            'max-height': this.thyOffsetTop() ? `calc(100vh - ${this.thyOffsetTop()}px)` : '100vh'
        };
    });

    readonly container: Signal<HTMLElement | Window> = computed(() => {
        return (
            (typeof this.thyContainer() === 'string'
                ? (this.document.querySelector(this.thyContainer() as string) as HTMLElement)
                : (this.thyContainer() as HTMLElement)) || window
        );
    });

    private links: ThyAnchorLink[] = [];

    private animating = false;

    private destroy$ = new Subject<void>();

    private handleScrollTimeoutID: any = -1;

    registerLink(link: ThyAnchorLink): void {
        this.links.push(link);
    }

    unregisterLink(link: ThyAnchorLink): void {
        this.links.splice(this.links.indexOf(link), 1);
    }

    constructor() {
        effect(() => {
            if (this.thyContainer()) {
                this.registerScrollEvent();
            }
        });
    }

    ngAfterViewInit(): void {
        this.warningPrompt();
        this.registerScrollEvent();
    }

    ngOnDestroy(): void {
        clearTimeout(this.handleScrollTimeoutID);
        this.destroy$.next();
        this.destroy$.complete();
    }

    private warningPrompt() {
        if (this.thyDirection() === 'horizontal') {
            const hasChildren = this.links.some(link =>
                Array.from(link?.elementRef?.nativeElement?.childNodes)?.some((item: HTMLElement) => item?.nodeName === 'THY-ANCHOR-LINK')
            );
            if (hasChildren) {
                console.warn("Anchor link nesting is not supported when 'Anchor' direction is horizontal.");
            }
        }
    }

    private registerScrollEvent(): void {
        if (!this.platform.isBrowser) {
            return;
        }
        this.destroy$.next();
        this.zone.runOutsideAngular(() => {
            fromEvent(this.container(), 'scroll', { passive: true })
                .pipe(throttleTime(50), takeUntil(this.destroy$))
                .subscribe(() => this.handleScroll());
        });
        // Browser would maintain the scrolling position when refreshing.
        // So we have to delay calculation in avoid of getting a incorrect result.
        this.handleScrollTimeoutID = setTimeout(() => this.handleScroll());
    }

    handleScroll(): void {
        if (typeof document === 'undefined' || this.animating) {
            return;
        }
        const container: HTMLElement =
            this.container() instanceof HTMLElement ? (this.container() as HTMLElement) : (this.document as unknown as HTMLElement);

        const sections: Section[] = [];
        const scope = (this.thyOffsetTop() || 0) + this.thyBounds();
        this.links.forEach(linkComponent => {
            const sharpLinkMatch = sharpMatcherRegx.exec(linkComponent.thyHref().toString());
            if (!sharpLinkMatch) {
                return;
            }
            const target = container.querySelector(`#${sharpLinkMatch[1]}`) as HTMLElement;
            if (target) {
                const top = getOffset(target, this.container()).top;
                if (top < scope) {
                    sections.push({
                        top,
                        linkComponent
                    });
                }
            }
        });

        this.visible = !!sections.length;
        if (!this.visible) {
            this.clearActive();
            this.cdr.detectChanges();
        } else {
            const maxSection = sections.reduce((prev, curr) => (curr.top > prev.top ? curr : prev));
            this.handleActive(maxSection.linkComponent);
        }
        this.setVisible();
    }

    private clearActive(): void {
        this.links.forEach(i => {
            i.unsetActive();
        });
    }

    private handleActive(linkComponent: ThyAnchorLink): void {
        this.clearActive();
        linkComponent.setActive();
        const linkNode = linkComponent.getLinkTitleElement();
        const horizontalAnchor = this.thyDirection() === 'horizontal';

        const ink = this.ink();
        ink.nativeElement.style.top = horizontalAnchor ? '' : `${linkNode.offsetTop}px`;
        ink.nativeElement.style.height = horizontalAnchor ? '' : `${linkNode.clientHeight}px`;
        ink.nativeElement.style.left = horizontalAnchor ? `${linkNode.offsetLeft}px` : '';
        ink.nativeElement.style.width = horizontalAnchor ? `${linkNode.clientWidth}px` : '';
        this.visible = true;
        this.setVisible();
        this.thyScroll.emit(linkComponent);
    }

    private setVisible(): void {
        const visible = this.visible;
        const visibleClassname = 'visible';
        const ink = this.ink();
        if (ink) {
            if (visible) {
                this.renderer.addClass(ink.nativeElement, visibleClassname);
            } else {
                this.renderer.removeClass(ink.nativeElement, visibleClassname);
            }
        }
    }

    handleScrollTo(linkComponent: ThyAnchorLink): void {
        const container: HTMLElement =
            this.container() instanceof HTMLElement ? (this.container() as HTMLElement) : (this.document as unknown as HTMLElement);
        const linkElement: HTMLElement = container.querySelector(linkComponent.thyHref());
        if (!linkElement) {
            return;
        }

        this.animating = true;
        const containerScrollTop = this.scrollService.getScroll(this.container());
        const elementOffsetTop = getOffset(linkElement, this.container()).top;
        const targetScrollTop = containerScrollTop + elementOffsetTop - (this.thyOffsetTop() || 0);
        this.scrollService.scrollTo(this.container(), targetScrollTop, undefined, () => {
            this.animating = false;
        });
        this.handleActive(linkComponent);
        this.thyClick.emit(linkComponent);
    }
}

1	import { Platform } from '@angular/cdk/platform';
2	import {
3	AfterViewInit,
4	ChangeDetectionStrategy,
5	ChangeDetectorRef,
6	Component,
7	ElementRef,
8	NgZone,
9	OnDestroy,
10	Renderer2,
11	ViewEncapsulation,
12	numberAttribute,	1✔
13	inject,
14	input,
15	viewChild,
16	output,
17	effect,	1✔
18	computed,
19	Signal	48✔
20	} from '@angular/core';
21	import { Subject, fromEvent } from 'rxjs';
22	import { takeUntil, throttleTime } from 'rxjs/operators';	48✔
23
24	import { DOCUMENT, NgClass, NgStyle, NgTemplateOutlet } from '@angular/common';
25	import { ThyAffix } from 'ngx-tethys/affix';	11✔
26	import { ThyScrollService } from 'ngx-tethys/core';	11✔
27	import { coerceBooleanProperty, getOffset } from 'ngx-tethys/util';	11✔
28	import { ThyAnchorLink } from './anchor-link.component';	11✔
29	import { IThyAnchorComponent, THY_ANCHOR_COMPONENT } from './anchor.token';	11✔
30		11✔
31	interface Section {	11✔
32	linkComponent: ThyAnchorLink;	11✔
33	top: number;	11✔
34	}	11✔
35		11✔
36	const sharpMatcherRegx = /#([^#]+)$/;	11✔
37		11✔
38	/**	11✔
39	* 锚点组件	11✔
40	* @name thy-anchor	11✔
41	*/	11✔
42	@Component({	11!
43	selector: 'thy-anchor',
44	exportAs: 'thyAnchor',
45	preserveWhitespaces: false,	11✔
46	template: `	11✔
47	@if (thyAffix()) {
48	<thy-affix [thyOffsetTop]="thyOffsetTop()" [thyContainer]="container()">
49	<ng-template [ngTemplateOutlet]="content"></ng-template>
50	</thy-affix>	11✔
51	} @else {	11✔
52	<ng-template [ngTemplateOutlet]="content"></ng-template>	11✔
53	}	11✔
54	<ng-template #content>	11✔
55	<div	11✔
56	class="thy-anchor-wrapper"	1✔
57	[ngClass]="{ 'thy-anchor-wrapper-horizontal': thyDirection() === 'horizontal' }"
58	[ngStyle]="wrapperStyle()">
59	<div class="thy-anchor">
60	<div class="thy-anchor-ink">
61	<div class="thy-anchor-ink-full" #ink></div>	11✔
62	</div>	11✔
63	<ng-content></ng-content>
64	</div>
65	</div>	11✔
66	</ng-template>	11✔
67	`,	11✔
68	encapsulation: ViewEncapsulation.None,
69	changeDetection: ChangeDetectionStrategy.OnPush,
70	imports: [ThyAffix, NgTemplateOutlet, NgStyle, NgClass],	11✔
71	providers: [	25✔
72	{	5✔
73	provide: THY_ANCHOR_COMPONENT,	1✔
74	useExisting: ThyAnchor
75	}
76	]
77	})
78	export class ThyAnchor implements IThyAnchorComponent, OnDestroy, AfterViewInit {	12!
79	private document = inject(DOCUMENT);	×
80	private cdr = inject(ChangeDetectorRef);
81	private platform = inject(Platform);	12✔
82	private zone = inject(NgZone);	12✔
83	private renderer = inject(Renderer2);	12✔
84	private scrollService = inject(ThyScrollService);
UNCOV 85		×
86	readonly ink = viewChild.required<ElementRef>('ink');
87
88	/**
89	* 固定模式	12✔
90	*/
91	readonly thyAffix = input(true, { transform: coerceBooleanProperty });
92		5✔
93	/**	1✔
94	* 锚点区域边界，单位：px
95	*/	4✔
96	readonly thyBounds = input(5, { transform: numberAttribute });	4✔
97		4!
98	/**	4✔
99	* 缓冲的偏移量阈值	12✔
100	*/	12!
101	readonly thyOffsetTop = input<number, unknown>(undefined, { transform: numberAttribute });	×
102
103	/**	12✔
104	* 指定滚动的容器	12✔
105	*/	10✔
106	readonly thyContainer = input<string \| HTMLElement>(undefined);	10✔
107		4✔
108	/**
109	* 设置导航方向
110	*/
111	readonly thyDirection = input<'vertical' \| 'horizontal'>('vertical');
112
113	/**
114	* 点击项触发	4✔
115	*/	4!
116	readonly thyClick = output<ThyAnchorLink>();	×
117		×
118	/**
119	* 滚动到某锚点时触发
120	*/	4!
121	readonly thyScroll = output<ThyAnchorLink>();	4✔
122
123	visible = false;	4✔
124
125	readonly wrapperStyle = computed(() => {
126	return {	6✔
127	'max-height': this.thyOffsetTop() ? `calc(100vh - ${this.thyOffsetTop()}px)` : '100vh'	22✔
128	};
129	});
130
131	readonly container: Signal<HTMLElement \| Window> = computed(() => {	6✔
132	return (	6✔
133	(typeof this.thyContainer() === 'string'	6✔
134	? (this.document.querySelector(this.thyContainer() as string) as HTMLElement)	6✔
135	: (this.thyContainer() as HTMLElement)) \|\| window	6✔
136	);	6✔
137	});	6✔
138		6✔
139	private links: ThyAnchorLink[] = [];	6✔
140		6✔
141	private animating = false;	6✔
142		6✔
143	private destroy$ = new Subject<void>();
144
145	private handleScrollTimeoutID: any = -1;	10✔
146		10✔
147	registerLink(link: ThyAnchorLink): void {	10✔
148	this.links.push(link);	10!
149	}	10!
150		10✔
151	unregisterLink(link: ThyAnchorLink): void {
152	this.links.splice(this.links.indexOf(link), 1);
153	}	×
154
155	constructor() {
156	effect(() => {
157	if (this.thyContainer()) {
158	this.registerScrollEvent();	3!
159	}	3✔
160	});	3✔
161	}	1✔
162
163	ngAfterViewInit(): void {	2✔
164	this.warningPrompt();	2✔
165	this.registerScrollEvent();	2✔
166	}	2!
167		2✔
168	ngOnDestroy(): void {	2✔
169	clearTimeout(this.handleScrollTimeoutID);
170	this.destroy$.next();	2✔
171	this.destroy$.complete();	2✔
172	}
173		1✔
174	private warningPrompt() {	1✔
175	if (this.thyDirection() === 'horizontal') {
176	const hasChildren = this.links.some(link =>
177	Array.from(link?.elementRef?.nativeElement?.childNodes)?.some((item: HTMLElement) => item?.nodeName === 'THY-ANCHOR-LINK')
178	);
179	if (hasChildren) {
180	console.warn("Anchor link nesting is not supported when 'Anchor' direction is horizontal.");
181	}
182	}
183	}
184
185	private registerScrollEvent(): void {	1✔
186	if (!this.platform.isBrowser) {
187	return;
188	}
189	this.destroy$.next();
190	this.zone.runOutsideAngular(() => {
191	fromEvent(this.container(), 'scroll', { passive: true })
192	.pipe(throttleTime(50), takeUntil(this.destroy$))
193	.subscribe(() => this.handleScroll());
194	});
195	// Browser would maintain the scrolling position when refreshing.
196	// So we have to delay calculation in avoid of getting a incorrect result.
197	this.handleScrollTimeoutID = setTimeout(() => this.handleScroll());
198	}
199
200	handleScroll(): void {
201	if (typeof document === 'undefined' \|\| this.animating) {
202	return;
203	}
204	const container: HTMLElement =
205	this.container() instanceof HTMLElement ? (this.container() as HTMLElement) : (this.document as unknown as HTMLElement);
206
207	const sections: Section[] = [];
208	const scope = (this.thyOffsetTop() \|\| 0) + this.thyBounds();
209	this.links.forEach(linkComponent => {
210	const sharpLinkMatch = sharpMatcherRegx.exec(linkComponent.thyHref().toString());
211	if (!sharpLinkMatch) {
212	return;
213	}
214	const target = container.querySelector(`#${sharpLinkMatch[1]}`) as HTMLElement;
215	if (target) {
216	const top = getOffset(target, this.container()).top;
217	if (top < scope) {
218	sections.push({
219	top,
220	linkComponent
221	});
222	}
223	}
224	});
225
226	this.visible = !!sections.length;
227	if (!this.visible) {
228	this.clearActive();
229	this.cdr.detectChanges();
230	} else {
231	const maxSection = sections.reduce((prev, curr) => (curr.top > prev.top ? curr : prev));
232	this.handleActive(maxSection.linkComponent);
233	}
234	this.setVisible();
235	}
236
237	private clearActive(): void {
238	this.links.forEach(i => {
239	i.unsetActive();
240	});
241	}
242
243	private handleActive(linkComponent: ThyAnchorLink): void {
244	this.clearActive();
245	linkComponent.setActive();
246	const linkNode = linkComponent.getLinkTitleElement();
247	const horizontalAnchor = this.thyDirection() === 'horizontal';
248
249	const ink = this.ink();
250	ink.nativeElement.style.top = horizontalAnchor ? '' : `${linkNode.offsetTop}px`;
251	ink.nativeElement.style.height = horizontalAnchor ? '' : `${linkNode.clientHeight}px`;
252	ink.nativeElement.style.left = horizontalAnchor ? `${linkNode.offsetLeft}px` : '';
253	ink.nativeElement.style.width = horizontalAnchor ? `${linkNode.clientWidth}px` : '';
254	this.visible = true;
255	this.setVisible();
256	this.thyScroll.emit(linkComponent);
257	}
258
259	private setVisible(): void {
260	const visible = this.visible;
261	const visibleClassname = 'visible';
262	const ink = this.ink();
263	if (ink) {
264	if (visible) {
265	this.renderer.addClass(ink.nativeElement, visibleClassname);
266	} else {
267	this.renderer.removeClass(ink.nativeElement, visibleClassname);
268	}
269	}
270	}
271
272	handleScrollTo(linkComponent: ThyAnchorLink): void {
273	const container: HTMLElement =
274	this.container() instanceof HTMLElement ? (this.container() as HTMLElement) : (this.document as unknown as HTMLElement);
275	const linkElement: HTMLElement = container.querySelector(linkComponent.thyHref());
276	if (!linkElement) {
277	return;
278	}
279
280	this.animating = true;
281	const containerScrollTop = this.scrollService.getScroll(this.container());
282	const elementOffsetTop = getOffset(linkElement, this.container()).top;
283	const targetScrollTop = containerScrollTop + elementOffsetTop - (this.thyOffsetTop() \|\| 0);
284	this.scrollService.scrollTo(this.container(), targetScrollTop, undefined, () => {
285	this.animating = false;
286	});
287	this.handleActive(linkComponent);
288	this.thyClick.emit(linkComponent);
289	}
290	}

atinc / ngx-tethys / 696beaee-fe4f-46a3-8046-34c6e5172059

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