Update / use typescript

2 files changed, 178 insertions, 0 deletions

diff --git a/src/lib/components/post/post.svelte b/src/lib/components/post/post.svelte
new file mode 100644
index 0000000..4e6c28f
--- /dev/null
+++ b/src/lib/components/post/post.svelte
@@ -0,0 +1,50 @@
+<script lang="ts">
+	export let post;
+	export let index = 0;
+	export let count = 1;
+
+	import { _ } from 'svelte-i18n';
+	import Glyph from '$lib/components/glyph/glyph.svelte';
+
+	const timestampToISO = (timestamp) => new Date(timestamp).toISOString();
+</script>
+
+<aside
+	class="post-meta"
+	title={$_('post.metadata_title', { values: { count: index + 1, total: count } })}
+>
+	<Glyph uuid={post.author.id} />
+	<span class="h-card">
+		{$_('post.author_credit')}
+		<a href="/a/{post.author.handle}" class="p-nickname u-url">{post.author.handle}</a>.
+	</span>
+	<time role="presentation" class="dt-published" datetime={timestampToISO(post.created_at)}>
+		<a title={$_('post.permalink_title')} href="/p/{post.id}">
+			{timestampToISO(post.created_at)}
+		</a>
+	</time>
+  {#if post.topic}
+  <span>
+    ({$_('post.topic_location')} <a href="/t/{post.topic.id}">{post.topic.title}</a>.)
+  </span>
+  {/if}
+</aside>
+<article
+	class="e-content"
+	title={$_('post.title', {
+		values: { count: index + 1, total: count, author: post.author.handle }
+	})}
+>
+	{post.text}
+</article>
+<hr />
+
+<style>
+	.post-meta * {
+		vertical-align: top;
+	}
+
+	article {
+		white-space: pre;
+	}
+</style>
diff --git a/src/lib/components/post/post.test.ts b/src/lib/components/post/post.test.ts
new file mode 100644
index 0000000..d43583e
--- /dev/null
+++ b/src/lib/components/post/post.test.ts
@@ -0,0 +1,128 @@
+/**
+ * @jest-environment jsdom
+ */
+
+import '@testing-library/jest-dom/extend-expect';
+
+import { cleanup, render } from '@testing-library/svelte';
+import '$lib/i18n';
+
+import Post from './post.svelte';
+
+const internals = {
+  basicPost: {
+    id: 'e5a19d53-4c9a-4be8-afa5-00942ea3afa4',
+    text: 'This is an example post qwerty',
+    created_at: Date.UTC(2021, 3, 19, 6, 6, 6, 666).valueOf(),
+    author: {
+      handle: 'very_cool_user',
+      id: 'b01bdb48-4b5e-46a4-97f3-6db789bcd33b'
+    },
+    topic: {
+      id: '35d3c3eb-e486-42ef-994c-d8ab1f1e167a',
+      title: 'Parent topic, yes'
+    }
+  },
+  postWithoutTopic: {
+    id: '9e52e38e-9007-4a20-bbf1-cea4e2f950f3',
+    text: 'This is a post without a topic',
+    created_at: Date.UTC(2022, 8, 21, 4, 3, 1, 340).valueOf(),
+    author: {
+      handle: 'my_normal_user',
+      id: '121f8f97-de02-4102-b25d-f34fd619009b'
+    }
+  },
+
+  results: null
+};
+
+describe('Post component', () => {
+
+  beforeEach(() => {
+
+    internals.results = render(Post, { props: {
+      post: internals.basicPost
+    } });
+  });
+
+  test('Should display the text of the post', () => {
+
+    expect(internals.results.getByText('This is an example post qwerty')).toBeVisible();
+  });
+
+  test('Should display date of the post', () => {
+
+    expect(internals.results.getByText('2021-04-19T06:06:06.666Z'))
+      .toBeVisible();
+  });
+
+  test('Date of post should be a permalink to the post', () => {
+
+    expect(internals.results.getByText('2021-04-19T06:06:06.666Z').closest('a'))
+      .toHaveAttribute('href', '/p/e5a19d53-4c9a-4be8-afa5-00942ea3afa4');
+  });
+
+  test('Should display the glyph of the post author', () => {
+
+    const glyphicon = internals.results.getByRole('img');
+
+    expect(glyphicon)
+      .toBeVisible();
+    expect(glyphicon)
+      .toHaveTextContent(/^. . . .$/);
+  });
+
+  test('Should display author handle', () => {
+
+    expect(internals.results.getByText('very_cool_user'))
+      .toBeVisible();
+  });
+
+  test('Author handle should have a permalink to topic', () => {
+
+    expect(internals.results.getByText('very_cool_user').closest('a'))
+      .toHaveAttribute('href', '/a/very_cool_user');
+  });
+
+  test('Should display parent topic title', () => {
+
+    expect(internals.results.getByText('Parent topic, yes'))
+      .toBeVisible();
+  });
+
+  test('Parent topic title should have a permalink to topic', () => {
+
+    expect(internals.results.getByText('Parent topic, yes').closest('a'))
+      .toHaveAttribute('href', '/t/35d3c3eb-e486-42ef-994c-d8ab1f1e167a');
+  });
+
+  test('Parent topic title should have a permalink to topic', () => {
+
+    cleanup();
+    internals.results = render(Post, { props: {
+      post: internals.postWithoutTopic
+    } });
+
+    expect(internals.results.queryByText('Parent topic, yes'))
+      .toBe(null);
+  });
+
+  test('It should default to 1/1 when no index or count is passed', () => {
+
+    expect(internals.results.getByTitle('Post 1 of 1 by very_cool_user'))
+      .toBeVisible();
+  });
+
+  test('Parent topic title should have a permalink to topic', () => {
+
+    cleanup();
+    internals.results = render(Post, { props: {
+      index: 2,
+      count: 5,
+      post: internals.postWithoutTopic
+    } });
+
+    expect(internals.results.getByTitle('Post 3 of 5 by my_normal_user'))
+      .toBeVisible();
+  });
+});