1#!/usr/bin/env osascript -l JavaScript
2// A script to close Safari tabs.
3//
4// This is a script I run when I see high memory usage in Activity Monitor --
5// it shows me the URL but no easy way to jump to the tab.  If I recognise
6// the URL and I know I can close it safely, this script lets me do that
7// quickly.
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      if (tab.url() !== null) {
27        yield [window_index, tab_index, tab.url(), tab.name()];
28      }
29    }
30  }
31}
32
33
34function run(argv) {
35  let closedCount = 0;
36  let remainingCount = 0;
37
38  for (const [window_index, tab_index, url, title] of tabGenerator()) {
39    for (i = 0; i < argv.length; i++) {
40      const searchFragment = argv[i];
41
42      if (url.includes(searchFragment)) {
43        console.log(`${url} (${title})`);
44        safari.windows[window_index].tabs[tab_index].close();
45        closedCount += 1;
46        break;
47      } else {
48        remainingCount += 1;
49      }
50    }
51  }
52
53  console.log(`Closed ${closedCount} tab${closedCount !== 1 ? 's' : ''}; ${remainingCount} tab${remainingCount !== 1 ? 's' : ''} left open`)
54}