Add a button to minimize the contents of a file in Bitbucket pull requests

add_bitbucket_minimize.js

(() => {
    const fileHeading = $(".diff-container .heading").find(".aui-buttons:first");
    const minimizeButton = $("<button>").addClass('aui-button').text('Minimize');

    minimizeButton.click(function (element) {
        const fileContents = $(element.target).closest('div.diff-container').find(".diff-content-container");
        fileContents.toggle();
    });

    fileHeading.append(minimizeButton);
})();

// Bookmarklet => javascript:(function(){var b=$(".diff-container .heading").find(".aui-buttons:first"),a=$("<button>").addClass("aui-button").text("Minimize");a.click(function(a){$(a.target).closest("div.diff-container").find(".diff-content-container").toggle()});b.append(a)})();