From ba1e6824e98c52e867d92cfdcb2a6d2a614fd67f Mon Sep 17 00:00:00 2001
From: Wojtek Kosior <koszko@koszko.org>
Date: Wed, 29 Dec 2021 18:05:08 +0100
Subject: refactor yewtu.be URL generation into a js library

---
 content/syoutube/index.json                     |  6 +--
 content/syoutube/youtube.js                     | 61 -------------------------
 content/syoutube/youtube_yewtube_redirection.js | 19 ++++++++
 3 files changed, 22 insertions(+), 64 deletions(-)
 delete mode 100644 content/syoutube/youtube.js
 create mode 100644 content/syoutube/youtube_yewtube_redirection.js

(limited to 'content/syoutube')

diff --git a/content/syoutube/index.json b/content/syoutube/index.json
index 0650c42..4a3171b 100644
--- a/content/syoutube/index.json
+++ b/content/syoutube/index.json
@@ -1,6 +1,6 @@
 {
 "type" : "script",
-"name" : "youtube->yewtu.be",
-"sha256" : "8fade4c6d87cb717289c382f71f1aaa95f8122041eb173d5e1267c13e68c56e1",
-"location" : "youtube.js"
+"name" : "youtube_2_yewtube_redirection",
+"sha256" : "5a6b0495f122459cae22d921c3719bc5c449f30eefcc070e8aa2b27cf4e01b70",
+"location" : "youtube_yewtube_redirection.js"
 }
diff --git a/content/syoutube/youtube.js b/content/syoutube/youtube.js
deleted file mode 100644
index 2486bd4..0000000
--- a/content/syoutube/youtube.js
+++ /dev/null
@@ -1,61 +0,0 @@
-/**
- * Copyright (C) 2021, Wojtek Kosior
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the CC0 1.0 Universal License as published by
- * the Creative Commons Corporation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * CC0 1.0 Universal License for more details.
- * Available under the terms of Creative Commons Zero.
- */
-
-/* Use with https://www.youtube.com/*** */
-
-/* Redirect youtube.com to yewtu.be */
-
-function decode_query_options(url)
-{
-    const query_options = {};
-    const match = /^[^?]*\?(.*)/.exec(url);
-    if (!match)
-	return query_options;
-
-    for (const opt of match[1].split("&")) {
-	const [key, val] =
-	      /^([^=]*)=?(.*)/.exec(opt).splice(1, 2).map(decodeURIComponent);
-	query_options[key] = val;
-    }
-
-    return query_options;
-}
-
-function encode_query_options(query_options)
-{
-    return Object.entries(query_options)
-	.map(ar => ar.map(encodeURIComponent).join("=")).join("&");
-}
-
-function remake_url(youtube_url)
-{
-    const query_options = decode_query_options(youtube_url);
-
-    let endpoint = "";
-
-    const match = /^(?:(?:https?)?\/\/)?[^/]*\/([^?]*)/.exec(youtube_url);
-    if (match)
-	endpoint = match[1];
-
-    if (/^embed\//.test(query_options.v))
-	endpoint = query_options.v;
-
-    if (/^embed\/.+/.test(endpoint))
-	delete query_options.v
-
-    const encoded_options = encode_query_options(query_options);
-    return `https://yewtu.be/${endpoint}?${encoded_options}`;
-}
-
-window.location.href = remake_url(document.URL);
diff --git a/content/syoutube/youtube_yewtube_redirection.js b/content/syoutube/youtube_yewtube_redirection.js
new file mode 100644
index 0000000..308771e
--- /dev/null
+++ b/content/syoutube/youtube_yewtube_redirection.js
@@ -0,0 +1,19 @@
+/**
+ * Copyright (C) 2021, Wojtek Kosior
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the CC0 1.0 Universal License as published by
+ * the Creative Commons Corporation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * CC0 1.0 Universal License for more details.
+ * Available under the terms of Creative Commons Zero.
+ */
+
+/* Use with https://www.youtube.com/*** */
+
+/* Redirect youtube.com to yewtu.be */
+
+window.location.href = make_yewtube_url(document.URL);
-- 
cgit v1.2.3