initial draft

src/js/background.js

@@ -0,0 +1,21 @@
+import DomainCheck from './services/DomainCheck'
+
+chrome.tabs.onUpdated.addListener((tabId, changeInfo, tab) => {
+  // inject files only after the page is fully loaded
+  if (changeInfo.status != 'complete') return
+
+  // inject files only for supported websites
+  const domainCheck = new DomainCheck(tab.url)
+  if (!domainCheck.hasMatch) return
+
+  // inject css + js
+  chrome.tabs.insertCSS(tabId, {file: "/styles.css"}, () => {
+    chrome.tabs.executeScript(tabId, {
+      code: "const div = document.createElement('div'); div.setAttribute('id', 'moco'); document.body.appendChild(div)"
+    }, () => {
+      chrome.tabs.executeScript(tabId, {file: "/popup.js"}, () => {
+        console.log("inejected /popup.js")
+      })
+    })
+  })
+})