From 81ea45e5cf91274505cbcf8e6d01a5949e5736a9 Mon Sep 17 00:00:00 2001
From: Renoir Boulanger <contribs@renoirboulanger.com>
Date: Wed, 30 Oct 2024 14:45:00 -0400
Subject: [PATCH] WIP

---
 static/assets/js/link-manipulation.mjs | 120 +++++++++++++++++++++++++
 static/main.mjs                        |  13 +++
 2 files changed, 133 insertions(+)
 create mode 100644 static/assets/js/link-manipulation.mjs

diff --git a/static/assets/js/link-manipulation.mjs b/static/assets/js/link-manipulation.mjs
new file mode 100644
index 0000000000..528a9469e7
--- /dev/null
+++ b/static/assets/js/link-manipulation.mjs
@@ -0,0 +1,120 @@
+
+/**
+ * @typedef {Object} RouteComponent
+ * @property {string} path - Route path pattern
+ * @property {Object} regex - Regular expression matchers
+ * @property {Object} components - Route components
+ * @property {Object} instances - Component instances
+ * @property {string} name - Route name
+ * @property {Object} meta - Route metadata
+ * @property {Object} props - Route properties
+ */
+
+/**
+ * @typedef {Object} RouteObject
+ * @property {string} name - Name identifier for the route
+ * @property {Object} meta - Metadata associated with the route
+ * @property {string} path - Raw path string
+ * @property {string} hash - URL hash fragment
+ * @property {Object} query - Query parameters
+ * @property {Object} params - Route parameters
+ * @property {string} params.pathMatch - Matched path string
+ * @property {string} fullPath - Complete path including parameters
+ * @property {RouteComponent[]} matched - Array of matched route components
+ */
+
+/**
+ * Something to do when Vue router navigates.
+ *
+ * I had an idea about this, but I forgotten it.
+ * Probably something to do with external links and white list.
+ *
+ * @param {RouteObject} _r
+ */
+const onNavigateVueRouteChange = (_r) => {
+  const { path = '' } = _r
+  console.log(`navigated to ${path}\n`, _r)
+}
+
+
+/**
+ * Things to do client-side with links.
+ *
+ * @param {WindowProxy} w
+ */
+const main = (w) => {
+  const { console, location } = w
+
+  /**
+   * Handle click on anchor, but only for external links.
+   * That should be separate from Vue's Router events.
+   *
+   * @param {MouseEvent} _evt
+   */
+  const onNavigateNativeAnchor = (_evt) => {
+    if (_evt.target.tagName !== 'A') {
+      return
+    }
+    if (Reflect.has(_evt.target, '__vue__')) {
+      // Do nothing when it's Vue, let's use onNavigateVueRouteChange
+      return
+    }
+    const _href = _evt.target.getAttribute('href')
+    // console.log(`onNavigateNativeAnchor\n`, { href: _href, target: _evt.target })
+  }
+
+  /**
+   *
+   * @param {HTMLAnchorElement} a
+   */
+  const maybeAppendSlash = (a) => {
+    const href = a.getAttribute('href')
+    if (/\/$/.test(href) === false) {
+      a.setAttribute('href', href + '/')
+    }
+  }
+
+  /**
+   * When not on renoirboulanger.com, show the canonical link.
+   *
+   * @param {HTMLAnchorElement} a
+   */
+  const unHideCanonicalLinkOnNonProduction = (a) => {
+    if (/^renoirboulanger\.com/.test(location.hostname)) {
+      // Hostname is renoirboulanger.com therefore it is production
+      return;
+    }
+    const href = a.getAttribute('href')
+    if (
+      href.startsWith('https://renoirboulanger.com') &&
+      a.classList.contains('canonical-link')
+    ) {
+      a.classList.remove('hidden')
+    }
+  }
+
+  const forEachAnchorElements = (e) => {
+    maybeAppendSlash(e)
+    unHideCanonicalLinkOnNonProduction(e)
+  }
+  [...w.document.querySelectorAll('a')].forEach((a) => forEachAnchorElements(a))
+
+  /** ---------------------------------------------------------------------- */
+
+  /**
+   * https://stackoverflow.com/questions/46402809/vuejs-event-on-route-change
+   *
+   * $router.history.listen((newLocation) => {console.log(newLocation);})
+   */
+  if (Reflect.has(w, '__nuxt') === true) {
+    const history = w.__nuxt.__vue__._router.history
+    if (history) {
+      history.listen(onNavigateVueRouteChange)
+    }
+  }
+
+  w.document.addEventListener('click', onNavigateNativeAnchor);
+
+}
+
+export default main
diff --git a/static/main.mjs b/static/main.mjs
index 53f2f6f104..765406dfbf 100644
--- a/static/main.mjs
+++ b/static/main.mjs
@@ -5,6 +5,17 @@
  */
 const SITE_ROOT_BASE_URL = await import.meta.url?.replace('main.mjs', '')
 
+const forEachFn = (e) => {
+  let href = e.getAttribute('href')
+  if (/\/$/.test(href) === false) {
+    e.setAttribute('href', href + '/')
+  }
+  href = e.getAttribute('href')
+  const textContent = e.textContent.trim()
+  console.log(textContent, { href })
+}
+// [...document.querySelectorAll('a')].forEach((a) => forEachFn(a))
+
 const main = async () => {
   await Promise.resolve()
   try {
@@ -15,6 +26,8 @@ const main = async () => {
     const message = `We could not load our elements from ./assets/js/register-elements.mjs, let's fail gracefully. Error message: ` + _e
     console.warn(message)
   }
+  const { default: linkManipulation } = await import('./assets/js/link-manipulation.mjs')
+  linkManipulation(window)
 }