From f10a8308d9f6bfb907c8a2458cbf78b4cfad88d2 Mon Sep 17 00:00:00 2001
From: Aryan Goharzad <arrygoo@gmail.com>
Date: Thu, 19 Jan 2023 13:53:11 -0500
Subject: Fixes youtube embed issues (#50)

* fixes youtube embed

* move extractMetaHtml test to its own file

* tests cleanup

* Add fallback for youtube meta data

* lint

* Check for youtube in the url domain

* use hostname instead of full url to check for link domain

* checks only for domain
---
 __tests__/lib/extractMetaHtml.test.ts | 70 +++++++++++++++++++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100644 __tests__/lib/extractMetaHtml.test.ts

(limited to '__tests__/lib/extractMetaHtml.test.ts')

diff --git a/__tests__/lib/extractMetaHtml.test.ts b/__tests__/lib/extractMetaHtml.test.ts
new file mode 100644
index 000000000..4ac653db0
--- /dev/null
+++ b/__tests__/lib/extractMetaHtml.test.ts
@@ -0,0 +1,70 @@
+import {extractHtmlMeta} from '../../src/lib/extractHtmlMeta'
+import {exampleComHtml} from './__mocks__/exampleComHtml'
+import {youtubeHTML} from './__mocks__/youtubeHtml'
+
+describe('extractHtmlMeta', () => {
+  const cases = [
+    ['', {}],
+    ['nothing', {}],
+    ['<title>title</title>', {title: 'title'}],
+    ['<title> aSd!@#AC </title>', {title: 'aSd!@#AC'}],
+    ['<title>\n  title\n  </title>', {title: 'title'}],
+    ['<meta name="title" content="meta title">', {title: 'meta title'}],
+    [
+      '<meta name="description" content="meta description">',
+      {description: 'meta description'},
+    ],
+    ['<meta property="og:title" content="og title">', {title: 'og title'}],
+    [
+      '<meta property="og:description" content="og description">',
+      {description: 'og description'},
+    ],
+    [
+      '<meta property="og:image" content="https://ogimage.com/foo.png">',
+      {image: 'https://ogimage.com/foo.png'},
+    ],
+    [
+      '<meta property="twitter:title" content="twitter title">',
+      {title: 'twitter title'},
+    ],
+    [
+      '<meta property="twitter:description" content="twitter description">',
+      {description: 'twitter description'},
+    ],
+    [
+      '<meta property="twitter:image" content="https://twitterimage.com/foo.png">',
+      {image: 'https://twitterimage.com/foo.png'},
+    ],
+    ['<meta\n  name="title"\n  content="meta title"\n>', {title: 'meta title'}],
+  ]
+
+  it.each(cases)(
+    'given the html tag %p, returns %p',
+    (input, expectedResult) => {
+      const output = extractHtmlMeta(input)
+      expect(output).toEqual(expectedResult)
+    },
+  )
+
+  it('extracts title and description from a generic HTML page', () => {
+    const input = exampleComHtml
+    const expectedOutput = {
+      title: 'Example Domain',
+      description: 'An example website',
+    }
+    const output = extractHtmlMeta(input)
+    expect(output).toEqual(expectedOutput)
+  })
+
+  it('extracts title and description from a generic youtube page', () => {
+    const input = youtubeHTML
+    const expectedOutput = {
+      title: 'HD Video (1080p) with Relaxing Music of Native American Shamans',
+      description:
+        'Stunning HD Video ( 1080p ) of Patagonian Nature with Relaxing Native American Shamanic Music. HD footage used from ',
+      image: 'https://i.ytimg.com/vi/x6UITRjhijI/sddefault.jpg',
+    }
+    const output = extractHtmlMeta(input)
+    expect(output).toEqual(expectedOutput)
+  })
+})
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