Update rules

src/custom/no-useless-import-alias.ts

@@ -0,0 +1,45 @@
+import type { Rule } from 'eslint';
+import type { Position } from 'estree';
+
+const rule: Rule.RuleModule = {
+  meta: {
+    type: 'problem',
+    docs: {
+      description:
+        "Ban useless import aliasing like `import { abc as abc } from 'module'`",
+      category: 'Best Practices',
+      recommended: true,
+    },
+    fixable: 'code',
+  },
+  create(context) {
+    return {
+      ImportDeclaration(node) {
+        if (node.specifiers.length === 0) return;
+
+        for (const specifier of node.specifiers) {
+          if (specifier.type !== 'ImportSpecifier') continue;
+
+          const { imported, local } = specifier;
+          if (
+            imported.name === local.name &&
+            !arePositionsEqual(imported.loc!.start, local.loc!.start)
+          ) {
+            context.report({
+              node: specifier,
+              message: `Useless aliasing of '${imported.name}'?`,
+              fix(fixer) {
+                return fixer.removeRange([imported.range![1], local.range![1]]);
+              },
+            });
+          }
+        }
+      },
+    };
+  },
+};
+
+const arePositionsEqual = (a: Position, b: Position) =>
+  a.line === b.line && a.column === b.column;
+
+export default rule;