feat: lucide icon and latex formulas

src/App.vue

@@ -1,3 +1,27 @@
+<script setup lang="ts">
+import hljs from 'highlight.js'
+import { createIcons, icons } from 'lucide'
+import { onMounted, onUpdated, nextTick } from 'vue'
+
+async function update() {
+  setTimeout(async () => {
+    await nextTick()
+    hljs.highlightAll()
+    createIcons({
+      icons,
+      nameAttr: 'icon',
+      attrs: {
+        width: '1.1em',
+        height: '1.1em',
+      },
+    })
+  }, 100)
+}
+
+onMounted(update)
+onUpdated(update)
+</script>
+
 <template>
-  <RouterView />
+  <RouterView @vue:mounted="update" @vue:updated="update" />
 </template>

src/components/PageFooter.vue

@@ -4,7 +4,7 @@ import { REPOSITORY, NAME, VERSION } from '@/lib/meta'
 
 <template>
   <template v-if="$route.fullPath != '/'">
-    <RouterLink to="/">Back to home</RouterLink>
+    <RouterLink to="/"><i icon="undo-2"></i> Back to home</RouterLink>
   </template>
   <hr />
   <footer>

src/lib/articles.ts

@@ -1,5 +1,6 @@
 import type { MarkdownData, Article, ArticleMetadata } from '@interfaces'
 import { dateFromParts } from './dates'
+import katex from 'katex'
 
 function parseMetadata(
   srcAttributes: Record<string, unknown>,
@@ -18,8 +19,26 @@ function parseMetadata(
   }
 }
 
+const LATEX_REGEX = /\$\$((?:(?!\$\$)[\s\S])*)\$\$/m
+const INLINE_LATEX_REGEX = /\$([^$\n]*)\$/
+
 function transformHtml(srcHtml: string, pathPrefix: string): string {
-  return srcHtml.replaceAll('./', pathPrefix + '/')
+  let html: string = srcHtml.replaceAll('="./', '="' + pathPrefix + '/')
+  let match: RegExpExecArray | null
+  do {
+    match = LATEX_REGEX.exec(html)
+    if (match && match[1]) {
+      console.log(match)
+      html = html.replace(match[0], katex.renderToString(match[1]))
+    }
+  } while (match && match[1])
+  do {
+    match = INLINE_LATEX_REGEX.exec(html)
+    if (match && match[1]) {
+      html = html.replace(match[0], katex.renderToString(match[1]))
+    }
+  } while (match && match[1])
+  return html
 }
 
 export async function loadArticle(date: Date): Promise<Article | null> {

src/lib/strings.ts

@@ -0,0 +1,5 @@
+export function stripHTML(html: string): string {
+  const div = document.createElement('div')
+  div.innerHTML = html
+  return div.textContent || div.innerText || ''
+}

src/style.scss

@@ -1,2 +1,3 @@
-@import 'highlight.js/scss/arduino-light.scss';
-@import '@articles/style.scss';
+@use 'highlight.js/scss/arduino-light.scss';
+@use '@articles/style.scss';
+@use 'katex/dist/katex.min.css';

src/views/ArticleView.vue

@@ -1,13 +1,13 @@
 <script setup lang="ts">
 import type { Article } from '@interfaces'
-import { ref, onBeforeMount, onUpdated } from 'vue'
+import { ref, onBeforeMount } from 'vue'
 import { loadArticle } from '@lib/articles'
 import { useRoute, onBeforeRouteUpdate, type RouteLocation } from 'vue-router'
 import NotFoundView from './NotFoundView.vue'
 import { dateFromParts, simpleDateFormat } from '@lib/dates'
 import { SIGNATURE, TITLE } from '@lib/meta'
 import PageFooter from '@components/PageFooter.vue'
-import hljs from 'highlight.js'
+import { stripHTML } from '@/lib/strings'
 
 const article = ref<Article | null>(null)
 const loading = ref<boolean>(true)
@@ -22,16 +22,13 @@ async function loadPage(target: RouteLocation) {
       target.params.day as string,
     ),
   )
-  window.document.title = TITLE + ' — ' + (article.value?.metadata.title ?? 'Not Found')
+  window.document.title =
+    stripHTML(TITLE) + ' — ' + stripHTML(article.value?.metadata.title ?? 'Not Found')
   loading.value = false
 }
 
 onBeforeMount(() => loadPage(route))
 onBeforeRouteUpdate(loadPage)
-
-onUpdated(() => {
-  hljs.highlightAll()
-})
 </script>
 
 <template>
@@ -45,7 +42,7 @@ onUpdated(() => {
     <main class="article">
       <div class="header">
         <RouterLink class="link-home" to="/">↑</RouterLink>
-        <h1>{{ article.metadata.title }}</h1>
+        <h1 v-html="article.metadata.title"></h1>
         <span class="time">
           <span>{{ article.metadata.draft ? 'Drafted on' : 'Published on' }}</span>
           {{ simpleDateFormat(article.metadata.date) }}

src/views/HomeView.vue

@@ -5,23 +5,24 @@ import type { ArticleMetadata } from '@interfaces'
 import { simpleDateFormat } from '@lib/dates'
 import { TITLE } from '@lib/meta'
 import PageFooter from '@components/PageFooter.vue'
+import { stripHTML } from '@/lib/strings'
 
 const articles = ref<ArticleMetadata[]>([])
 
 onBeforeMount(async () => {
   const newArticles = await listArticles()
   articles.value.splice(0, articles.value.length, ...newArticles)
-  window.document.title = TITLE + ' — Home'
+  window.document.title = stripHTML(TITLE) + ' — Home'
 })
 </script>
 
 <template>
   <main>
-    <h1 class="title">{{ TITLE }}</h1>
+    <h1 class="title" v-html="TITLE"></h1>
     <template v-for="(metadata, index) in articles" v-bind:key="index">
       <div v-if="!metadata.draft && metadata.path" class="article">
         <RouterLink :to="metadata.path">
-          <h3>{{ metadata.title }}</h3>
+          <h3 v-html="metadata.title"></h3>
           <span class="time"
             ><span>Published on</span>&nbsp;&nbsp;{{ simpleDateFormat(metadata.date) }}</span
           >

src/views/NotFoundView.vue

@@ -1,10 +1,11 @@
 <script setup lang="ts">
 import { TITLE } from '@/lib/meta'
+import { stripHTML } from '@/lib/strings'
 import PageFooter from '@components/PageFooter.vue'
 import { onBeforeMount } from 'vue'
 
 onBeforeMount(() => {
-  window.document.title = TITLE + ' — Not Found'
+  window.document.title = stripHTML(TITLE) + ' — Not Found'
 })
 </script>
 
@@ -14,5 +15,3 @@ onBeforeMount(() => {
     <PageFooter />
   </main>
 </template>
-
-<style scoped></style>