fix back button on blog

Signed-off-by: Tobias Erbshäußer <tobias@tesoft.dev>

frontend/src/components/blog-article-list.njk

@@ -8,7 +8,7 @@
 
         :host > div {
             display: grid;
-            gap: var(--medium-padding);
+            gap: var(--large-padding);
             grid-template-columns: 1fr;
             grid-template-rows: auto 1fr auto;
         }
@@ -36,13 +36,19 @@
             display: grid;
             grid-template-columns: 1fr;
             grid-template-rows: auto auto auto;
+            padding: var(--medium-padding);
             text-decoration: none;
         }
 
+        .item:hover {
+            background-color: var(--gray);
+            color: unset;
+        }
+
         .item > h3 {
             align-items: center;
             display: grid;
-            gap: var(--medium-padding);
+            gap: var(--large-padding);
             grid-auto-columns: auto;
             grid-auto-flow: column;
             justify-content: start;

frontend/src/components/blog-article-list.ts

@@ -31,7 +31,7 @@ export class TesoftBlogArticleList extends TesoftComponent {
         this.error = shadowRoot.querySelector<TesoftError>("tesoft-error")!;
     }
 
-    async load(page: number, tags: string[], onParametersChange: (page: number, tags: string[]) => void) {
+    async load(page: number, tags: string[]) {
         try {
             this.tagsDiv.innerHTML = "";
             for (const tagName of await this.fetchTags()) {
@@ -45,14 +45,22 @@ export class TesoftBlogArticleList extends TesoftComponent {
 
         this.pagination.addEventListener("update-page", (e) => {
             const page = (e as CustomEvent).detail.page;
-            onParametersChange(page, tags);
-            this.reload(page, tags, onParametersChange);
+            e.stopPropagation();
+
+            this.dispatchEvent(new CustomEvent("update-parameters", {
+                bubbles: true,
+                cancelable: true,
+                composed: true,
+                detail: {
+                    page: page,
+                },
+            }));
         });
 
-        await this.reload(page, tags, onParametersChange);
+        await this.reload(page, tags);
     }
 
-    private async reload(page: number, tags: string[], onParametersChange: (page: number, tags: string[]) => void) {
+    async reload(page: number, tags: string[]) {
         const itemsPerPage = 20;
 
         for (const tag of this.tagsDiv.children as any as TesoftTag[]) {
@@ -67,8 +75,14 @@ export class TesoftBlogArticleList extends TesoftComponent {
                 }
                 const newTags = Array.from(tagSet);
 
-                onParametersChange(page, newTags);
-                this.reload(page, newTags, onParametersChange);
+                this.dispatchEvent(new CustomEvent("update-parameters", {
+                    bubbles: true,
+                    cancelable: true,
+                    composed: true,
+                    detail: {
+                        tags: newTags,
+                    },
+                }));
             };
 
             if (tags.includes(tagName)) {
@@ -120,6 +134,7 @@ export class TesoftBlogArticleList extends TesoftComponent {
                         const tag = document.createElement("tesoft-tag") as TesoftTag;
                         tag.textContent = tagName;
                         tag.selected = "";
+                        tag.small = "";
                         tag.disabled = "";
                         tags.appendChild(tag);
                     }

frontend/src/components/blog-article.njk

@@ -27,7 +27,7 @@
         .header > h1 {
             align-items: center;
             display: grid;
-            gap: var(--medium-padding);
+            gap: var(--large-padding);
             grid-template-columns: auto auto;
             grid-template-rows: auto;
             justify-content: start;

frontend/src/components/tag.njk

@@ -15,6 +15,10 @@
             padding: var(--small-padding) var(--medium-padding);
         }
 
+        :host([small]) tesoft-button::part(children) {
+            padding: 0 var(--small-padding);
+        }
+
         svg {
             height: 2.4rem;
             width: 2.4rem;

frontend/src/components/tag.ts

@@ -58,6 +58,14 @@ export class TesoftTag extends TesoftComponent {
             this.setAttribute("selected", "");
         }
     }
+
+    set small(value: string | null) {
+        if (value === null) {
+            this.removeAttribute("small");
+        } else {
+            this.setAttribute("small", "");
+        }
+    }
 }
 
 customElements.define("tesoft-tag", TesoftTag);

frontend/src/scripts/blog.ts

@@ -61,19 +61,28 @@ class BlogSite {
         this.parameters = parameters;
     }
 
-    load() {
+    async load() {
         if (this.parameters.id === null) {
-            this.blogArticleList.load(this.parameters.page ?? 1, this.parameters.tags, (page, tags) => {
-                this.parameters = new Parameters(
+            this.blogArticleList.addEventListener("update-parameters", (e) => {
+                const {page, tags} = (e as CustomEvent).detail;
+                e.stopPropagation();
+
+                window.history.pushState(
                     null,
-                    page,
-                    tags,
+                    "",
+                    new Parameters(
+                        null,
+                        page ?? this.parameters.page,
+                        tags ?? this.parameters.tags,
+                    ).constructUrl(),
                 );
-                window.history.pushState(null, "", this.parameters.constructUrl());
+                this.reload();
             });
+
+            await this.blogArticleList.load(this.parameters.page ?? 1, this.parameters.tags);
             this.blogArticleList.classList.remove("hidden");
         } else {
-            this.blogArticle.load(this.parameters.id, (tag) => {
+            await this.blogArticle.load(this.parameters.id, (tag) => {
                 return new Parameters(
                     null,
                     null,
@@ -83,14 +92,28 @@ class BlogSite {
             this.blogArticle.classList.remove("hidden");
         }
     }
+
+    async reload() {
+        this.parameters = Parameters.parse(new URLSearchParams(window.location.search));
+
+        await this.blogArticleList.reload(this.parameters.page ?? 1, this.parameters.tags);
+    }
 }
 
 onReady(async () => {
+    const parameters = Parameters.parse(new URLSearchParams(window.location.search));
+
     const blogSite = new BlogSite(
         document.querySelector<TesoftBlogArticle>("tesoft-blog-article")!,
         document.querySelector<TesoftBlogArticleList>("tesoft-blog-article-list")!,
-        Parameters.parse(new URLSearchParams(window.location.search)),
+        parameters,
     );
 
-    blogSite.load();
+    if (parameters.id === null) {
+        window.addEventListener("popstate", async () => {
+            await blogSite.reload();
+        });
+    }
+
+    await blogSite.load();
 });