feat: init

node_modules/nuxt/dist/app/components/nuxt-link.js

@@ -0,0 +1,423 @@
+import { computed, defineComponent, h, inject, onBeforeUnmount, onMounted, provide, ref, resolveComponent, shallowRef } from "vue";
+import { hasProtocol, joinURL, parseQuery, withTrailingSlash, withoutTrailingSlash } from "ufo";
+import { preloadRouteComponents } from "../composables/preload.js";
+import { onNuxtReady } from "../composables/ready.js";
+import { encodeRoutePath, navigateTo, resolveRouteObject, useRouter } from "../composables/router.js";
+import { useNuxtApp, useRuntimeConfig } from "../nuxt.js";
+import { cancelIdleCallback, requestIdleCallback } from "../compat/idle-callback.js";
+import { nuxtLinkDefaults } from "#build/nuxt.config.mjs";
+import { hashMode } from "#build/router.options.mjs";
+const firstNonUndefined = (...args) => args.find((arg) => arg !== void 0);
+const NuxtLinkDevKeySymbol = Symbol("nuxt-link-dev-key");
+// @__NO_SIDE_EFFECTS__
+export function defineNuxtLink(options) {
+  const componentName = options.componentName || "NuxtLink";
+  function checkPropConflicts(props, main, sub) {
+    if (import.meta.dev && props[main] !== void 0 && props[sub] !== void 0) {
+      console.warn(`[${componentName}] \`${main}\` and \`${sub}\` cannot be used together. \`${sub}\` will be ignored.`);
+    }
+  }
+  function isHashLinkWithoutHashMode(link) {
+    return !hashMode && typeof link === "string" && link.startsWith("#");
+  }
+  function resolveTrailingSlashBehavior(to, resolve, trailingSlash) {
+    const effectiveTrailingSlash = trailingSlash ?? options.trailingSlash;
+    if (!to || effectiveTrailingSlash !== "append" && effectiveTrailingSlash !== "remove") {
+      return to;
+    }
+    if (typeof to === "string") {
+      return applyTrailingSlashBehavior(to, effectiveTrailingSlash);
+    }
+    const path = "path" in to && to.path !== void 0 ? to.path : resolve(to).path;
+    const resolvedPath = {
+      ...to,
+      name: void 0,
+      // named routes would otherwise always override trailing slash behavior
+      path: applyTrailingSlashBehavior(path, effectiveTrailingSlash)
+    };
+    return resolvedPath;
+  }
+  function useNuxtLink(props) {
+    const router = useRouter();
+    const config = useRuntimeConfig();
+    const hasTarget = computed(() => !!props.target && props.target !== "_self");
+    const isAbsoluteUrl = computed(() => {
+      const path = props.to || props.href || "";
+      return typeof path === "string" && hasProtocol(path, { acceptRelative: true });
+    });
+    const builtinRouterLink = resolveComponent("RouterLink");
+    const useBuiltinLink = builtinRouterLink && typeof builtinRouterLink !== "string" ? builtinRouterLink.useLink : void 0;
+    const isExternal = computed(() => {
+      if (props.external) {
+        return true;
+      }
+      const path = props.to || props.href || "";
+      if (typeof path === "object") {
+        return false;
+      }
+      return path === "" || isAbsoluteUrl.value;
+    });
+    const to = computed(() => {
+      checkPropConflicts(props, "to", "href");
+      const path = props.to || props.href || "";
+      if (isExternal.value) {
+        return path;
+      }
+      return resolveTrailingSlashBehavior(path, router.resolve, props.trailingSlash);
+    });
+    const link = isExternal.value ? void 0 : useBuiltinLink?.({ ...props, to });
+    const href = computed(() => {
+      const effectiveTrailingSlash = props.trailingSlash ?? options.trailingSlash;
+      if (!to.value || isAbsoluteUrl.value || isHashLinkWithoutHashMode(to.value)) {
+        return to.value;
+      }
+      if (isExternal.value) {
+        const path = typeof to.value === "object" && "path" in to.value ? resolveRouteObject(to.value) : to.value;
+        const href2 = typeof path === "object" ? router.resolve(path).href : path;
+        return applyTrailingSlashBehavior(href2, effectiveTrailingSlash);
+      }
+      if (typeof to.value === "object") {
+        return router.resolve(to.value)?.href ?? null;
+      }
+      return applyTrailingSlashBehavior(joinURL(config.app.baseURL, to.value), effectiveTrailingSlash);
+    });
+    return {
+      to,
+      hasTarget,
+      isAbsoluteUrl,
+      isExternal,
+      //
+      href,
+      isActive: link?.isActive ?? computed(() => to.value === router.currentRoute.value.path),
+      isExactActive: link?.isExactActive ?? computed(() => to.value === router.currentRoute.value.path),
+      route: link?.route ?? computed(() => router.resolve(to.value)),
+      async navigate(_e) {
+        await navigateTo(href.value, { replace: props.replace, external: isExternal.value || hasTarget.value });
+      }
+    };
+  }
+  return defineComponent({
+    name: componentName,
+    props: {
+      // Routing
+      to: {
+        type: [String, Object],
+        default: void 0,
+        required: false
+      },
+      href: {
+        type: [String, Object],
+        default: void 0,
+        required: false
+      },
+      // Attributes
+      target: {
+        type: String,
+        default: void 0,
+        required: false
+      },
+      rel: {
+        type: String,
+        default: void 0,
+        required: false
+      },
+      noRel: {
+        type: Boolean,
+        default: void 0,
+        required: false
+      },
+      // Prefetching
+      prefetch: {
+        type: Boolean,
+        default: void 0,
+        required: false
+      },
+      prefetchOn: {
+        type: [String, Object],
+        default: void 0,
+        required: false
+      },
+      noPrefetch: {
+        type: Boolean,
+        default: void 0,
+        required: false
+      },
+      // Styling
+      activeClass: {
+        type: String,
+        default: void 0,
+        required: false
+      },
+      exactActiveClass: {
+        type: String,
+        default: void 0,
+        required: false
+      },
+      prefetchedClass: {
+        type: String,
+        default: void 0,
+        required: false
+      },
+      // Vue Router's `<RouterLink>` additional props
+      replace: {
+        type: Boolean,
+        default: void 0,
+        required: false
+      },
+      ariaCurrentValue: {
+        type: String,
+        default: void 0,
+        required: false
+      },
+      // Edge cases handling
+      external: {
+        type: Boolean,
+        default: void 0,
+        required: false
+      },
+      // Slot API
+      custom: {
+        type: Boolean,
+        default: void 0,
+        required: false
+      },
+      // Behavior
+      trailingSlash: {
+        type: String,
+        default: void 0,
+        required: false
+      }
+    },
+    useLink: useNuxtLink,
+    setup(props, { slots }) {
+      const router = useRouter();
+      const { to, href, navigate, isExternal, hasTarget, isAbsoluteUrl } = useNuxtLink(props);
+      const prefetched = shallowRef(false);
+      const el = import.meta.server ? void 0 : ref(null);
+      const elRef = import.meta.server ? void 0 : (ref2) => {
+        el.value = props.custom ? ref2?.$el?.nextElementSibling : ref2?.$el;
+      };
+      function shouldPrefetch(mode) {
+        if (import.meta.server) {
+          return;
+        }
+        return !prefetched.value && (typeof props.prefetchOn === "string" ? props.prefetchOn === mode : props.prefetchOn?.[mode] ?? options.prefetchOn?.[mode]) && (props.prefetch ?? options.prefetch) !== false && props.noPrefetch !== true && props.target !== "_blank" && !isSlowConnection();
+      }
+      async function prefetch(nuxtApp = useNuxtApp()) {
+        if (import.meta.server) {
+          return;
+        }
+        if (prefetched.value) {
+          return;
+        }
+        prefetched.value = true;
+        const path = typeof to.value === "string" ? to.value : isExternal.value ? resolveRouteObject(to.value) : router.resolve(to.value).fullPath;
+        const normalizedPath = isExternal.value ? new URL(path, window.location.href).href : path;
+        await Promise.all([
+          nuxtApp.hooks.callHook("link:prefetch", normalizedPath).catch(() => {
+          }),
+          !isExternal.value && !hasTarget.value && preloadRouteComponents(to.value, router).catch(() => {
+          })
+        ]);
+      }
+      if (import.meta.client) {
+        checkPropConflicts(props, "noPrefetch", "prefetch");
+        if (shouldPrefetch("visibility")) {
+          const nuxtApp = useNuxtApp();
+          let idleId;
+          let unobserve = null;
+          onMounted(() => {
+            const observer = useObserver();
+            onNuxtReady(() => {
+              idleId = requestIdleCallback(() => {
+                if (el?.value?.tagName) {
+                  unobserve = observer.observe(el.value, async () => {
+                    unobserve?.();
+                    unobserve = null;
+                    await prefetch(nuxtApp);
+                  });
+                }
+              });
+            });
+          });
+          onBeforeUnmount(() => {
+            if (idleId) {
+              cancelIdleCallback(idleId);
+            }
+            unobserve?.();
+            unobserve = null;
+          });
+        }
+      }
+      if (import.meta.dev && import.meta.server && !props.custom) {
+        const isNuxtLinkChild = inject(NuxtLinkDevKeySymbol, false);
+        if (isNuxtLinkChild) {
+          console.log("[nuxt] [NuxtLink] You can't nest one <a> inside another <a>. This will cause a hydration error on client-side. You can pass the `custom` prop to take full control of the markup.");
+        } else {
+          provide(NuxtLinkDevKeySymbol, true);
+        }
+      }
+      return () => {
+        if (!isExternal.value && !hasTarget.value && !isHashLinkWithoutHashMode(to.value)) {
+          const routerLinkProps = {
+            ref: elRef,
+            to: to.value,
+            activeClass: props.activeClass || options.activeClass,
+            exactActiveClass: props.exactActiveClass || options.exactActiveClass,
+            replace: props.replace,
+            ariaCurrentValue: props.ariaCurrentValue,
+            custom: props.custom
+          };
+          if (!props.custom) {
+            if (import.meta.client) {
+              if (shouldPrefetch("interaction")) {
+                routerLinkProps.onPointerenter = prefetch.bind(null, void 0);
+                routerLinkProps.onFocus = prefetch.bind(null, void 0);
+              }
+              if (prefetched.value) {
+                routerLinkProps.class = props.prefetchedClass || options.prefetchedClass;
+              }
+            }
+            routerLinkProps.rel = props.rel || void 0;
+          }
+          return h(
+            resolveComponent("RouterLink"),
+            routerLinkProps,
+            slots.default
+          );
+        }
+        const target = props.target || null;
+        checkPropConflicts(props, "noRel", "rel");
+        const rel = firstNonUndefined(
+          // converts `""` to `null` to prevent the attribute from being added as empty (`rel=""`)
+          props.noRel ? "" : props.rel,
+          options.externalRelAttribute,
+          /*
+          * A fallback rel of `noopener noreferrer` is applied for external links or links that open in a new tab.
+          * This solves a reverse tabnapping security flaw in browsers pre-2021 as well as improving privacy.
+          */
+          isAbsoluteUrl.value || hasTarget.value ? "noopener noreferrer" : ""
+        ) || null;
+        if (props.custom) {
+          if (!slots.default) {
+            return null;
+          }
+          return slots.default({
+            href: href.value,
+            navigate,
+            prefetch,
+            get route() {
+              if (!href.value) {
+                return void 0;
+              }
+              const url = new URL(href.value, import.meta.client ? window.location.href : "http://localhost");
+              return {
+                path: url.pathname,
+                fullPath: url.pathname,
+                get query() {
+                  return parseQuery(url.search);
+                },
+                hash: url.hash,
+                params: {},
+                name: void 0,
+                matched: [],
+                redirectedFrom: void 0,
+                meta: {},
+                href: href.value
+              };
+            },
+            rel,
+            target,
+            isExternal: isExternal.value || hasTarget.value,
+            isActive: false,
+            isExactActive: false
+          });
+        }
+        return h("a", {
+          ref: el,
+          href: href.value || null,
+          // converts `""` to `null` to prevent the attribute from being added as empty (`href=""`)
+          rel,
+          target,
+          onClick: async (event) => {
+            if (isExternal.value || hasTarget.value) {
+              return;
+            }
+            event.preventDefault();
+            try {
+              const encodedHref = encodeRoutePath(href.value);
+              return await (props.replace ? router.replace(encodedHref) : router.push(encodedHref));
+            } finally {
+              if (import.meta.client && isHashLinkWithoutHashMode(to.value)) {
+                const rawHash = to.value.slice(1);
+                let hash = rawHash;
+                try {
+                  hash = decodeURIComponent(rawHash);
+                } catch {
+                }
+                const el2 = document.getElementById(hash);
+                el2?.focus();
+              }
+            }
+          }
+        }, slots.default?.());
+      };
+    }
+  });
+}
+export default /* @__PURE__ */ defineNuxtLink(nuxtLinkDefaults);
+function applyTrailingSlashBehavior(to, trailingSlash) {
+  const normalizeFn = trailingSlash === "append" ? withTrailingSlash : withoutTrailingSlash;
+  const hasProtocolDifferentFromHttp = hasProtocol(to) && !to.startsWith("http");
+  if (hasProtocolDifferentFromHttp) {
+    return to;
+  }
+  return normalizeFn(to, true);
+}
+function useObserver() {
+  if (import.meta.server) {
+    return;
+  }
+  const nuxtApp = useNuxtApp();
+  if (nuxtApp._observer) {
+    return nuxtApp._observer;
+  }
+  let observer = null;
+  const callbacks = /* @__PURE__ */ new Map();
+  const observe = (element, callback) => {
+    observer ||= new IntersectionObserver((entries) => {
+      for (const entry of entries) {
+        const callback2 = callbacks.get(entry.target);
+        const isVisible = entry.isIntersecting || entry.intersectionRatio > 0;
+        if (isVisible && callback2) {
+          callback2();
+        }
+      }
+    });
+    callbacks.set(element, callback);
+    observer.observe(element);
+    return () => {
+      callbacks.delete(element);
+      observer?.unobserve(element);
+      if (callbacks.size === 0) {
+        observer?.disconnect();
+        observer = null;
+      }
+    };
+  };
+  const _observer = nuxtApp._observer = {
+    observe
+  };
+  return _observer;
+}
+const IS_2G_RE = /2g/;
+function isSlowConnection() {
+  if (import.meta.server) {
+    return;
+  }
+  const cn = navigator.connection;
+  if (cn && (cn.saveData || IS_2G_RE.test(cn.effectiveType))) {
+    return true;
+  }
+  return false;
+}