Toggle Bookmarklet

summarize.coffee

url = new URL location
{host, searchParams} = url
params =
    summary:  searchParams.get 'summary'
    url: searchParams.get 'url'


# Not summary
if host isnt 'kagi.com'
    # Go to summary
    newUrl = "https://kagi.com/summarizer?summary=summary&url=#{location.href}"
else 
    # Not summary=takeaway
    if params.summary is 'summary'
        # Go to key moments
        url.searchParams.set 'summary', 'takeaway'
        newUrl = url
    else
        # Key moments
        # Go to original url
        newUrl = params.url

location.href = newUrl

toggle.coffee

switch location.host
    when 'news.ycombinator.com'
        location.href = location.href.replace /.*item\?id=/, '//hw.leftium.com/#/item/'
    when 'hn.leftium.com', 'hw.leftium.com'
        location.href = location.href.replace /.*\//, '//news.ycombinator.com/item?id='

    when 'kagi.com'
        url = location.href
        url = url.replace 'kagi.com', 'google.com'
        window.open url, '_blank'

    when 'www.google.com'
        url = location.href
        url = url.replace 'www.google.com', 'kagi.com'
        window.open url, '_blank'

    when 'mail.google.com'
        url = location.href
        if url.includes '-label%3Asub'
            location.href = 'https://mail.google.com/mail/u/0/?zx=kxekeso7ocxx#label/Sub'
        else
            location.href = 'https://mail.google.com/mail/u/0/?zx=kxekeso7ocxx#search/-label%3Asub'

    when 'docs.google.com'
        location.href= "//g.leftium.com?u=#{location.href}"
    when 'g.leftium.com'
        location.href = decodeURIComponent(location.href.replace /.*u=/, '')

How to use:

1. Modify as desired.
2. Compile CoffeeScript to JavaScript at https://coffeescript.org/#try
3. Generate bookmarklet with tool like: https://caiorss.github.io/bookmarklet-maker/
4. Add (drag) to browser bookmarks bar.

Tip: mail.google.com toggles between important and unimportant emails, as tagged by this simple method: https://blog.leftium.com/2023/11/automatic-inbox-cleanup-with-two-simple.html