initial commit of actions

github/codeql-action-v1/node_modules/eslint-plugin-github/lib/rules/require-passive-events.js

@@ -0,0 +1,27 @@
+const passiveEventListenerNames = new Set(['touchstart', 'touchmove', 'wheel', 'mousewheel'])
+
+const propIsPassiveTrue = prop => prop.key && prop.key.name === 'passive' && prop.value && prop.value.value === true
+
+module.exports = {
+  meta: {
+    type: 'suggestion',
+    docs: {
+      description: 'enforce marking high frequency event handlers as passive',
+      url: require('../url')(module)
+    },
+    schema: []
+  },
+
+  create(context) {
+    return {
+      ['CallExpression[callee.property.name="addEventListener"]']: function (node) {
+        const [name, listener, options] = node.arguments
+        if (!listener) return
+        if (name.type !== 'Literal') return
+        if (!passiveEventListenerNames.has(name.value)) return
+        if (options && options.type === 'ObjectExpression' && options.properties.some(propIsPassiveTrue)) return
+        context.report({node, message: `High Frequency Events like "${name.value}" should be \`passive: true\``})
+      }
+    }
+  }
+}