Substack - dark-on-light

Substack - change journal themes to dark-on-light

Ajankohdalta 10.8.2024. Katso uusin versio.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name           Substack - dark-on-light
// @namespace      Violentmonkey Scripts
// @match          *://*.substack.com/*
// @exclude-match  *://substack.com/*
// @version        1.4
// @author         jez9999
// @description    Substack - change journal themes to dark-on-light
// @require        https://code.jquery.com/jquery-3.6.0.min.js
// @run-at         document-body
// @grant          none
// @license        MIT
// ==/UserScript==

(function() {
    'use strict';

    // ********************
    // Reminder: set the following in Violentmonkey advanced settings for Editor:
    // "tabSize": 4,
    // "indentUnit": 4,
    // "autoCloseBrackets": false,
    //
    // Also, bear in mind there appears to be a bug in Violentmonkey where after a while, MutationObserver's
    // stop being debuggable and the whole browser needs restarting before it'll work again.
    // ********************

    // Allow strings for HTML/CSS/etc. trusted injections
	if (window.trustedTypes && window.trustedTypes.createPolicy && !window.trustedTypes.defaultPolicy) {
        window.trustedTypes.createPolicy('default', {
            createHTML: string => string,
            createScriptURL: string => string,
            createScript: string => string
        });
    }

    var utils = {};
    utils.jq = jQuery.noConflict( true );
    utils.isUnspecified = function(input) {
        return ((typeof input === "undefined") || (input === null));
    }
    utils.isSpecified = function(input) {
        return ((typeof input !== "undefined") && (input !== null));
    }

    // Add styling to DOM
    var sheet = document.createElement('style');
    sheet.innerHTML = `
        :root {
            --web_bg_color: #f3f3f3 !important;
            --print_on_web_bg_color: #000000 !important;
            --cover_bg_color: #ffffff !important;
            --print_secondary_on_web_bg_color: #666666 !important;
            --background_contrast_1: #ffffff !important;
            --background_contrast_2: #f5f4f4 !important;
            --background_contrast_3: #e9e9e9 !important;
            --background_contrast_4: #dbdbdb !important;
            --background_contrast_5: #cacaca !important;
            --print_on_pop: #ffffff !important;
            --cover_print_primary: #000000 !important;
            --cover_print_secondary: #cacaca !important;
            --cover_border_color: #000000 !important;
            --input_background: #e9e9e9 !important;
            --cover_input_background: #e9e9e9 !important;
            --tooltip_background: #dbdbdb !important;
            --selected_comment_background_color: #f5f4f4 !important;
        }
    `;
    document.head.appendChild(sheet);
})();