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razetime/APLchat.js

Last active January 1, 2021 09:30
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Userscript for executing apl code in chat
Raw
APLchat.js
// ==UserScript==
// @name APL chat
// @version 2
// @grant GM_xmlhttpRequest
// @grant GM_listValues
// @match https://chat.stackexchange.com/*
// @run-at document-start
// @require https://gitlab.com/n9n/apl/-/raw/master/apl.js
// ==/UserScript==
// thanks to @cvzi for making it work correctly!
var MutationObserver = window.MutationObserver || window.WebKitMutationObserver;
var observer = new MutationObserver(function(mutations, observer) {
// fired when a mutation occurs
console.log(mutations, observer);
let codes = document.getElementsByTagName("code");
for (let elem of codes) {
if(elem.innerText && !('interpreted' in elem.dataset) && elem.innerText[0] == '⋄') {
elem.dataset.interpreted = true; // see https://developer.mozilla.org/en-US/docs/Learn/HTML/Howto/Use_data_attributes#JavaScript_access
let result = ''
let color = 'red'
// Catch apl error and show it in orange color
try {
result = apl.fmt(apl(elem.innerText)).toString()
} catch(e) {
result = e.toString()
color = 'orange'
}
let tmp = document.createElement("div");
tmp.innerHTML = "<pre style=\"color:"+color+"\">"+result.replace("\n","<br>")+"</pre>";
let parent = elem.parentElement;
parent.appendChild(tmp.firstChild);
//console.log(result);
}
}
});
window.addEventListener('DOMContentLoaded', (event) => {
alert = function() {}; // Prevents ⎕← and ⍞← from trggering alerts
window.alert = function(){};
observer.observe(document, {
subtree: true,
ChildList:true,
attributes: true
});
});
@razetime
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razetime commented Dec 30, 2020 •
edited
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Chrome version:

// ==UserScript==
// @name     APL chat
// @version  2
// @grant    GM_xmlhttpRequest
// @grant    GM_listValues
// @match    https://chat.stackexchange.com/*
// @run-at   document-start
// ==/UserScript==

// thanks to @cvzi for making it work correctly!


var MutationObserver = window.MutationObserver || window.WebKitMutationObserver;

window.onload = function() {
    var observer = new MutationObserver(function(mutations, observer) {
    // fired when a mutation occurs
    console.log(mutations, observer);
    let codes = document.getElementsByTagName("code");
        for (let elem of codes) {
            if(elem.innerText && !('interpreted' in elem.dataset) && elem.innerText[0] == '⋄') {
                elem.dataset.interpreted = true;  // see https://developer.mozilla.org/en-US/docs/Learn/HTML/Howto/Use_data_attributes#JavaScript_access
                let result = ''
                let color = 'red'
                // Catch apl error and show it in orange color
                try {
                    result = apl(elem.innerText).toString()
                } catch(e) {
                    result = e.toString()
                    color = 'orange'
                }
                let tmp = document.createElement("div");
                tmp.innerHTML = "<pre style=\"color:"+color+"\">"+result.replace("\n","<br>")+"</pre>";
                let parent = elem.parentElement;
                parent.appendChild(tmp.firstChild);
                //console.log(result);
            }
        }
});
    /**
 * Minified by jsDelivr using Terser v5.3.5.
 * Original file: /npm/[email protected]/lib/apl.js
 *
 * Do NOT use SRI with dynamically generated files! More information: https://www.jsdelivr.com/using-sri-with-dynamic-files
 */
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