Created
November 26, 2016 00:58
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// ==UserScript== | |
// @name no light fonts | |
// @namespace http://ikeran.org | |
// @description prevents sites from using font-weight below 400 | |
// @include * | |
// @version 1 | |
// @grant none | |
// ==/UserScript== | |
(function() { | |
let min = 14; // px | |
let max = 18; // px | |
let hdrMax = 32; // px | |
function fixFonts(elem) { | |
if (!elem) return; | |
let fs = window.getComputedStyle(elem, null).fontSize; | |
let size = parseInt(fs); | |
if (size < min) { | |
size = min; | |
} | |
let t = elem.tagName.toLowerCase(); | |
if (t == "h1" || t == "h2") { | |
if (size > hdrMax) { | |
size = hdrMax; | |
} | |
} else if (size > max) { | |
size = max; | |
} | |
size = "" + size + "px"; | |
elem.style.fontSize = size; | |
let kids = elem.children; | |
for (let i = 0; i < kids.length; i++) { | |
fixFonts(kids[i]); | |
} | |
} | |
var forbidFontWeight = function() { | |
document.body.style.setProperty("font-weight", "400", "important"); | |
} | |
var NAME = "dhasenan-font-weight"; | |
fixFonts(document.body); | |
var cache = localStorage.getItem(NAME); | |
if (cache) { | |
if (cache.isSafe) | |
return; | |
else | |
forbidFontWeight(); | |
} | |
var elements = document.getElementsByTag('*'); | |
for (var i = 0 ; i < elements.length; i++) { | |
if (window.getComputedStyle(elements[i]).getPropertyValue("font-weight") < 400) { | |
localStorage.setItem(NAME, {isSafe: false}); | |
forbidFontWeight(); | |
} | |
} | |
})(); |
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