initial commit of actions

github/codeql-action-v1/node_modules/eslint-plugin-github/lib/rules/prefer-observers.js

@@ -0,0 +1,28 @@
+const observerMap = {
+  scroll: 'IntersectionObserver',
+  resize: 'ResizeObserver'
+}
+module.exports = {
+  meta: {
+    type: 'suggestion',
+    docs: {
+      description: 'disallow poorly performing event listeners',
+      url: require('../url')(module)
+    },
+    schema: []
+  },
+
+  create(context) {
+    return {
+      ['CallExpression[callee.property.name="addEventListener"]']: function (node) {
+        const [name] = node.arguments
+        if (name.type !== 'Literal') return
+        if (!(name.value in observerMap)) return
+        context.report({
+          node,
+          message: `Avoid using "${name.value}" event listener. Consider using ${observerMap[name.value]} instead`
+        })
+      }
+    }
+  }
+}