@tanstack/vue-router/dist/esm/link.js

Modern and scalable routing for Vue applications

import { useRouter } from "./useRouter.js";
import { useIntersectionObserver } from "./utils.js";
import { deepEqual, exactPathTest, hasKeys, isDangerousProtocol, preloadWarning, removeTrailingSlash } from "@tanstack/router-core";
import * as Vue from "vue";
import { isServer } from "@tanstack/router-core/isServer";
import { useStore } from "@tanstack/vue-store";
//#region src/link.tsx
var timeoutMap = /* @__PURE__ */ new WeakMap();
function useLinkProps(options) {
	return useLinkPropsImpl(() => options);
}
function useLinkPropsImpl(getOptions) {
	const router = useRouter();
	let renderFetchedHref;
	if (!router) {
		console.warn("useRouter must be used inside a <RouterProvider> component!");
		return Vue.computed(() => ({}));
	}
	const type = Vue.computed(() => {
		const options = getOptions();
		try {
			new URL(`${options.to}`);
			return "external";
		} catch {
			return "internal";
		}
	});
	const ref = Vue.ref(null);
	if (isServer ?? router.isServer) {
		const options = getOptions();
		if (type.value === "external") return Vue.ref(getExternalLinkProps(options, router, ref));
		const next = router.buildLocation(options);
		const href = getHref(options, router, next);
		const isActive = getIsActive(router.stores.location.get(), next, options.activeOptions, router);
		const { resolvedActiveProps, resolvedInactiveProps, resolvedClassName, resolvedStyle } = resolveStyleProps(options, isActive);
		const result = combineResultProps({
			href,
			options,
			isActive,
			resolvedActiveProps,
			resolvedInactiveProps,
			resolvedClassName,
			resolvedStyle
		});
		return Vue.ref(result);
	}
	const currentLocation = type.value === "external" ? Vue.shallowRef(router.stores.location.get()) : useStore(router.stores.location, (l) => l, { equal: (prev, next) => prev.href === next.href });
	if (type.value === "external") Vue.watchEffect((onCleanup) => {
		if (type.value === "external") return;
		const subscription = router.stores.location.subscribe((location) => {
			if (currentLocation.value.href !== location.href) currentLocation.value = location;
		});
		onCleanup(() => subscription.unsubscribe());
	});
	const next = Vue.computed(() => {
		const options = getOptions();
		const opts = {
			_fromLocation: currentLocation.value,
			...options
		};
		return router.buildLocation(opts);
	});
	const preload = Vue.computed(() => {
		const options = getOptions();
		if (type.value === "external" || options.reloadDocument || options.disabled) return false;
		return options.preload ?? router.options.defaultPreload;
	});
	const preloadDelay = Vue.computed(() => getOptions().preloadDelay ?? router.options.defaultPreloadDelay ?? 0);
	const isActive = Vue.computed(() => {
		const options = getOptions();
		return getIsActive(currentLocation.value, next.value, options.activeOptions, router);
	});
	const doPreload = () => {
		const options = getOptions();
		return router.preloadRoute({
			...options,
			_builtLocation: next.value
		}).catch((err) => {
			console.warn(err);
			console.warn(preloadWarning);
		});
	};
	let pendingPreload;
	const enqueuePreload = (e) => {
		if (!e) {
			clearTimeout(timeoutMap.get(ref));
			timeoutMap.delete(ref);
			pendingPreload = void 0;
			return;
		}
		const isIntersecting = e.isIntersecting;
		const preloadMode = isIntersecting === void 0 ? "intent" : "viewport";
		if (preload.value !== preloadMode || isIntersecting === false) {
			if (isIntersecting === false && pendingPreload === "viewport") {
				clearTimeout(timeoutMap.get(ref));
				timeoutMap.delete(ref);
				pendingPreload = void 0;
			}
			return;
		}
		if (!preloadDelay.value) {
			doPreload();
			return;
		}
		if (!timeoutMap.has(ref)) {
			const scheduledHref = next.value.href;
			pendingPreload = preloadMode;
			timeoutMap.set(ref, setTimeout(() => {
				timeoutMap.delete(ref);
				pendingPreload = void 0;
				if (preload.value === preloadMode && next.value.href === scheduledHref) doPreload();
			}, preloadDelay.value));
		}
	};
	useIntersectionObserver(ref, enqueuePreload, () => preload.value !== "viewport");
	Vue.watchEffect(() => {
		if (preload.value !== "render") return;
		const nextHref = next.value.href;
		if (nextHref && renderFetchedHref !== nextHref) {
			renderFetchedHref = nextHref;
			doPreload();
		}
	});
	const handleClick = (e) => {
		if (type.value === "external") return;
		const options = getOptions();
		const elementTarget = e.currentTarget?.getAttribute("target");
		const effectiveTarget = options.target !== void 0 ? options.target : elementTarget;
		if (!options.disabled && !(e.metaKey || e.altKey || e.ctrlKey || e.shiftKey) && !e.defaultPrevented && (!effectiveTarget || effectiveTarget === "_self") && e.button === 0) {
			if (options.reloadDocument) return;
			e.preventDefault();
			router.navigate({
				...options,
				replace: options.replace,
				resetScroll: options.resetScroll,
				hashScrollIntoView: options.hashScrollIntoView,
				startTransition: options.startTransition,
				viewTransition: options.viewTransition,
				ignoreBlocker: options.ignoreBlocker
			});
		}
	};
	const handleTouchStart = () => {
		if (preload.value === "intent") doPreload();
	};
	const handleLeave = () => {
		if (pendingPreload === "intent") {
			clearTimeout(timeoutMap.get(ref));
			timeoutMap.delete(ref);
			pendingPreload = void 0;
		}
	};
	function composeEventHandlers(getUserHandler, handler) {
		return (event) => {
			getUserHandler()?.(event);
			handler(event);
		};
	}
	const resolvedStyleProps = Vue.computed(() => {
		return resolveStyleProps(getOptions(), isActive.value);
	});
	const href = Vue.computed(() => {
		return getHref(getOptions(), router, next.value);
	});
	const staticEventHandlers = {
		onClick: composeEventHandlers(() => getOptions().onClick, handleClick),
		onBlur: composeEventHandlers(() => getOptions().onBlur, handleLeave),
		onFocus: composeEventHandlers(() => getOptions().onFocus, enqueuePreload),
		onMouseenter: composeEventHandlers(() => getLinkEventHandlers(getOptions()).onMouseenter, enqueuePreload),
		onMouseover: composeEventHandlers(() => getLinkEventHandlers(getOptions()).onMouseover, enqueuePreload),
		onMouseleave: composeEventHandlers(() => getLinkEventHandlers(getOptions()).onMouseleave, handleLeave),
		onMouseout: composeEventHandlers(() => getLinkEventHandlers(getOptions()).onMouseout, handleLeave),
		onTouchstart: composeEventHandlers(() => getLinkEventHandlers(getOptions()).onTouchstart, handleTouchStart)
	};
	return Vue.computed(() => {
		const options = getOptions();
		if (type.value === "external") return getExternalLinkProps(options, router, ref, staticEventHandlers);
		const { resolvedActiveProps, resolvedInactiveProps, resolvedClassName, resolvedStyle } = resolvedStyleProps.value;
		return combineResultProps({
			href: href.value,
			options,
			ref,
			staticEventHandlers,
			isActive: isActive.value,
			resolvedActiveProps,
			resolvedInactiveProps,
			resolvedClassName,
			resolvedStyle
		});
	});
}
function resolveStyleProps(options, isActive) {
	const activeProps = options.activeProps || (() => ({ class: "active" }));
	const resolvedActiveProps = (isActive ? typeof activeProps === "function" ? activeProps() : activeProps : {}) || {
		class: void 0,
		style: void 0
	};
	const inactiveProps = options.inactiveProps || (() => ({}));
	const resolvedInactiveProps = (isActive ? {} : typeof inactiveProps === "function" ? inactiveProps() : inactiveProps) || {
		class: void 0,
		style: void 0
	};
	const classes = [
		options.class,
		resolvedActiveProps?.class,
		resolvedInactiveProps?.class
	].filter(Boolean);
	const resolvedClassName = classes.length ? classes.join(" ") : void 0;
	const result = {};
	if (options.style) Object.assign(result, options.style);
	if (resolvedActiveProps?.style) Object.assign(result, resolvedActiveProps.style);
	if (resolvedInactiveProps?.style) Object.assign(result, resolvedInactiveProps.style);
	return {
		resolvedActiveProps,
		resolvedInactiveProps,
		resolvedClassName,
		resolvedStyle: hasKeys(result) ? result : void 0
	};
}
function combineResultProps({ href, options, isActive, resolvedActiveProps, resolvedInactiveProps, resolvedClassName, resolvedStyle, ref, staticEventHandlers }) {
	const result = {
		...getPropsSafeToSpread(options),
		ref,
		...staticEventHandlers,
		href,
		disabled: options._asChild ? !!options.disabled : void 0,
		target: options.target
	};
	if (resolvedStyle) result.style = resolvedStyle;
	if (resolvedClassName) result.class = resolvedClassName;
	if (options.disabled) {
		result.role = "link";
		result["aria-disabled"] = true;
	}
	if (isActive) {
		result["data-status"] = "active";
		result["aria-current"] = "page";
	}
	for (const key of Object.keys(resolvedActiveProps)) if (key !== "class" && key !== "style") result[key] = resolvedActiveProps[key];
	for (const key of Object.keys(resolvedInactiveProps)) if (key !== "class" && key !== "style") result[key] = resolvedInactiveProps[key];
	return result;
}
function getExternalLinkProps(options, router, ref, staticEventHandlers) {
	const dangerous = isDangerousProtocol(options.to, router.protocolAllowlist);
	if (dangerous && process.env.NODE_ENV !== "production") console.warn(`Blocked Link with dangerous protocol: ${options.to}`);
	const eventHandlers = getLinkEventHandlers(options);
	const result = {
		...getPropsSafeToSpread(options),
		ref,
		href: dangerous || options.disabled ? void 0 : options.to,
		target: options.target,
		disabled: options._asChild ? !!options.disabled : void 0,
		style: options.style,
		class: options.class,
		onClick: staticEventHandlers?.onClick ?? options.onClick,
		onBlur: staticEventHandlers?.onBlur ?? options.onBlur,
		onFocus: staticEventHandlers?.onFocus ?? options.onFocus,
		onMouseenter: staticEventHandlers?.onMouseenter ?? eventHandlers.onMouseenter,
		onMouseleave: staticEventHandlers?.onMouseleave ?? eventHandlers.onMouseleave,
		onMouseover: staticEventHandlers?.onMouseover ?? eventHandlers.onMouseover,
		onMouseout: staticEventHandlers?.onMouseout ?? eventHandlers.onMouseout,
		onTouchstart: staticEventHandlers?.onTouchstart ?? eventHandlers.onTouchstart
	};
	if (options.disabled) {
		result.role = "link";
		result["aria-disabled"] = true;
	}
	for (const key of Object.keys(result)) if (result[key] === void 0) delete result[key];
	return result;
}
function getLinkEventHandlers(options) {
	return {
		onMouseenter: options.onMouseEnter ?? options.onMouseenter,
		onMouseleave: options.onMouseLeave ?? options.onMouseleave,
		onMouseover: options.onMouseOver ?? options.onMouseover,
		onMouseout: options.onMouseOut ?? options.onMouseout,
		onTouchstart: options.onTouchStart ?? options.onTouchstart
	};
}
var getPropsSafeToSpread = (options) => {
	const { activeProps: _activeProps, inactiveProps: _inactiveProps, activeOptions: _activeOptions, to: _to, preload: _preload, preloadDelay: _preloadDelay, preloadIntentProximity: _preloadIntentProximity, hashScrollIntoView: _hashScrollIntoView, replace: _replace, startTransition: _startTransition, resetScroll: _resetScroll, viewTransition: _viewTransition, children: _children, target: _target, disabled: _disabled, style: _style, class: _class, onClick: _onClick, onBlur: _onBlur, onFocus: _onFocus, onMouseEnter: _onMouseEnter, onMouseenter: _onMouseenter, onMouseLeave: _onMouseLeave, onMouseleave: _onMouseleave, onMouseOver: _onMouseOver, onMouseover: _onMouseover, onMouseOut: _onMouseOut, onMouseout: _onMouseout, onTouchStart: _onTouchStart, onTouchstart: _onTouchstart, ignoreBlocker: _ignoreBlocker, params: _params, search: _search, hash: _hash, state: _state, mask: _mask, reloadDocument: _reloadDocument, unsafeRelative: _unsafeRelative, _asChild: __asChild, from: _from, additionalProps: _additionalProps, ...propsSafeToSpread } = options;
	return propsSafeToSpread;
};
function getIsActive(loc, nextLoc, activeOptions, router) {
	if (activeOptions?.exact) {
		if (!exactPathTest(loc.pathname, nextLoc.pathname, router.basepath)) return false;
	} else {
		const currentPath = removeTrailingSlash(loc.pathname, router.basepath);
		const nextPath = removeTrailingSlash(nextLoc.pathname, router.basepath);
		if (!(currentPath.startsWith(nextPath) && (currentPath.length === nextPath.length || currentPath[nextPath.length] === "/"))) return false;
	}
	if (activeOptions?.includeSearch ?? true) {
		if (!deepEqual(loc.search, nextLoc.search, {
			partial: !activeOptions?.exact,
			ignoreUndefined: !activeOptions?.explicitUndefined
		})) return false;
	}
	if (activeOptions?.includeHash) return loc.hash === nextLoc.hash;
	return true;
}
function getHref(options, router, nextLocation) {
	if (options.disabled) return;
	const location = nextLocation?.maskedLocation ?? nextLocation;
	const publicHref = location?.publicHref;
	if (!publicHref) return void 0;
	if (location?.external) return publicHref;
	return router.history.createHref(publicHref) || "/";
}
function createLink(Comp) {
	return Vue.defineComponent({
		name: "CreatedLink",
		inheritAttrs: false,
		setup(_, { attrs, slots }) {
			return () => Vue.h(LinkImpl, {
				...attrs,
				_asChild: Comp
			}, slots);
		}
	});
}
var LinkImpl = Vue.defineComponent({
	name: "Link",
	inheritAttrs: false,
	props: [
		"_asChild",
		"to",
		"preload",
		"preloadDelay",
		"preloadIntentProximity",
		"activeProps",
		"inactiveProps",
		"activeOptions",
		"from",
		"search",
		"params",
		"hash",
		"state",
		"mask",
		"reloadDocument",
		"disabled",
		"additionalProps",
		"viewTransition",
		"resetScroll",
		"startTransition",
		"hashScrollIntoView",
		"replace",
		"ignoreBlocker",
		"target"
	],
	setup(props, { attrs, slots }) {
		const attrsSnapshot = Vue.shallowRef({ ...attrs });
		Vue.onBeforeUpdate(() => {
			const keys = Object.keys(attrs);
			const previous = attrsSnapshot.value;
			if (keys.length !== Object.keys(previous).length || keys.some((key) => !Object.is(attrs[key], previous[key]))) attrsSnapshot.value = { ...attrs };
		});
		const allProps = Vue.computed(() => ({
			...props,
			...attrsSnapshot.value
		}));
		const linkPropsSource = useLinkPropsImpl(() => allProps.value);
		return () => {
			const Component = props._asChild || "a";
			const linkProps = Vue.unref(linkPropsSource);
			const isActive = linkProps["data-status"] === "active";
			const slotContent = slots.default ? slots.default({ isActive }) : [];
			if (Component === "svg") {
				const svgLinkProps = { ...linkProps };
				delete svgLinkProps.class;
				return Vue.h("svg", {}, [Vue.h("a", svgLinkProps, slotContent)]);
			}
			if (typeof Component !== "string") return Vue.h(Component, {
				...linkProps,
				children: slotContent
			}, slotContent);
			return Vue.h(Component, linkProps, slotContent);
		};
	}
});
/**
* Link component with proper TypeScript generics support
*/
var Link = LinkImpl;
var linkOptions = (options) => {
	return options;
};
//#endregion
export { Link, createLink, linkOptions, useLinkProps };

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