1#!/usr/bin/env osascript -l JavaScript
2// A script to close ephemeral Safari tabs.
3//
4// This is a script I run at the end of each working day, to close
5// Safari tabs I've opened that can be safely closed.
6//
7// See https://alexwlchan.net/2022/safari-tabs/
8
9safari = Application("Safari");
10
11// Generates all the window/tab/URLs in Safari.
12//
13// This runs in reverse window/tab index order: that is, windows are returned
14// bottom to top, and tabs from right to left.
15function* tabGenerator() {
16  window_count = safari.windows.length;
17
18  for (window_index = window_count - 1; window_index >= 0; window_index--) {
19    window = safari.windows[window_index];
20
21    tab_count = window.tabs.length;
22
23    for (tab_index = tab_count - 1; tab_index >= 0; tab_index--) {
24      tab = window.tabs[tab_index];
25
26      yield [window_index, tab_index, tab.url()];
27    }
28  }
29}
30
31function isSafeToClose(url) {
32
33  // Sometimes we get a `null` as the URL of a tab; I'm not sure why,
34  // so leave this tab open.
35  if (url === null) { return false; }
36  
37  const urlPrefixes = [
38    "https://chat.openai.com/c/",
39    "http://localhost:3000/",
40    "http://localhost:5000/",
41    "http://localhost:5757/",
42    "http://localhost:5959/",
43    "https://analytics.alexwlchan.net",
44    "https://app.fastmail.com/mail/Inbox/?u=",
45    "https://chat.openai.com/c/",
46    "https://discord.com/",
47    "https://github.com/Flickr-Foundation/",
48    "https://zoom.us/",
49  ];
50  
51  const exactUrls = new Set([
52    "https://alexwlchan.net/",
53    "https://arstechnica.com/",
54    "https://bsky.app/",
55    "https://calendar.google.com/calendar/u/0/r/week",
56    "https://chat.openai.com/",
57    "https://commons.flickr.org/",
58    "https://daringfireball.net/",
59    "https://docs.google.com/document/u/0/",
60    "https://github.com/",
61    "https://github.com/alexwlchan/books.alexwlchan.net",
62    "https://github.com/alexwlchan/scripts",
63    "https://lexies-library-lookup.netlify.app/",
64    "https://www.linkedin.com/feed/",
65    "https://mail.google.com/mail/u/0/#inbox",
66    "https://mail.google.com/mail/u/1/#inbox",
67    "https://mobile.twitter.com/home",
68    "https://news.ycombinator.com/",
69    "https://old.reddit.com/",
70    "https://pinboard.in/u:alexwlchan",
71    "https://remote.com",
72    "https://social.alexwlchan.net/home",
73    "https://social.alexwlchan.net/notifications",
74    "https://twitter.com/home",
75    "https://twitter.com/i/timeline",
76    "https://twitter.com/notifications",
77    "https://www.amazon.co.uk/",
78    "https://www.facebook.com/",
79    "https://www.macrumors.com",
80    "https://www.macrumors.com/",
81    "https://www.operationmincemeat.com",
82    "https://www.theguardian.com/uk",
83    "https://www.youtube.com/",
84    "https://www.youtube.com/?app=desktop",
85    "https://x.com/home",
86    "history://",
87  ]);
88
89  return exactUrls.has(url) || urlPrefixes.find(p => url.startsWith(p));
90}
91
92let closedCount = 0;
93
94var alreadySeenUrls = new Set();
95
96// We can close a tab if:
97//
98//  - it's safe to close, or
99//  - the URL in this tab is open in another tab, so it's a dupe
100//
101for (const [window_index, tab_index, url] of tabGenerator()) {
102  if (isSafeToClose(url)) {
103    console.log(url);
104    safari.windows[window_index].tabs[tab_index].close();
105    closedCount += 1;
106  } else if (alreadySeenUrls.has(url)) {
107    console.log(`${url} (open in another tab)`);
108    safari.windows[window_index].tabs[tab_index].close();
109    closedCount += 1;
110  } else {
111    alreadySeenUrls.add(url);
112  }
113}
114
115const remainingCount = alreadySeenUrls.size;
116
117console.log(`Closed ${closedCount} tab${closedCount !== 1 ? 's' : ''}; ${remainingCount} tab${remainingCount !== 1 ? 's' : ''} left open`)