Initial commit

frontend/webapp/node_modules/eslint-plugin-react/lib/rules/no-is-mounted.js

@@ -0,0 +1,61 @@
+/**
+ * @fileoverview Prevent usage of isMounted
+ * @author Joe Lencioni
+ */
+
+'use strict';
+
+const docsUrl = require('../util/docsUrl');
+const getAncestors = require('../util/eslint').getAncestors;
+const report = require('../util/report');
+
+// ------------------------------------------------------------------------------
+// Rule Definition
+// ------------------------------------------------------------------------------
+
+const messages = {
+  noIsMounted: 'Do not use isMounted',
+};
+
+/** @type {import('eslint').Rule.RuleModule} */
+module.exports = {
+  meta: {
+    docs: {
+      description: 'Disallow usage of isMounted',
+      category: 'Best Practices',
+      recommended: true,
+      url: docsUrl('no-is-mounted'),
+    },
+
+    messages,
+
+    schema: [],
+  },
+
+  create(context) {
+    return {
+      CallExpression(node) {
+        const callee = node.callee;
+        if (callee.type !== 'MemberExpression') {
+          return;
+        }
+        if (
+          callee.object.type !== 'ThisExpression'
+          || !('name' in callee.property)
+          || callee.property.name !== 'isMounted'
+        ) {
+          return;
+        }
+        const ancestors = getAncestors(context, node);
+        for (let i = 0, j = ancestors.length; i < j; i++) {
+          if (ancestors[i].type === 'Property' || ancestors[i].type === 'MethodDefinition') {
+            report(context, messages.noIsMounted, 'noIsMounted', {
+              node: callee,
+            });
+            break;
+          }
+        }
+      },
+    };
+  },
+};