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+{

+ "manifest_version": 2,

+ "name": "Geoundo",

+ "version": "1.0",

+ "description": "adds undos for geogrid",

+ "icons": {

+ "48": "icon.svg"

+ },

+

+ "content_scripts": [

+ {

+ "matches": ["*://*.geogridgame.com/*"],

+ "js": ["undo.js"]

+ }

+ ]

+}

+let today = +document.querySelector(".page-title").innerHTML.replace(/[^0-9]+/, "");

+function get() {

+ let c = JSON.parse(localStorage.getItem("userData"));

+ return { data: c[today], raw: c }

+}

+let last = undefined;

+let c = get();

+

+setInterval(() => {

+ let n = get();

+ if (!n.data) return;

+ if (c.data === undefined) {

+ console.log("started")

+ c = n;

+ return;

+ }

+ if (c.data.board.toString() !== n.data.board.toString()) {

+ console.log("change detected")

+ last = c.raw;

+ c = n;

+ console.log("last board stored", c.data.board)

+ }

+}, 500)

+const reset = () => {

+ delete c.raw[today];

+ localStorage.setItem("userData", JSON.stringify(c.raw));

+ window.location.reload();

+};

+

+document.addEventListener('keydown', function (event) {

+ if (event.ctrlKey && event.key === 'z' && c.data !== undefined) {

+ if (last === undefined) {

+ reset()

+ } else {

+ localStorage.setItem("userData", JSON.stringify(last));

+ window.location.reload();

+ }

+ }

+ if (event.altKey && event.key === 'r' && c.data !== undefined) {

+ reset()

+ }

+}); \ No newline at end of file