Added converter for no-duplicate-imports rule (#199)

* feat: added no-duplicate-imports converter

* feat: add notices for no-duplicate-imports

Author: asponda

src/rules/converters.ts

@@ -38,6 +38,7 @@ import { convertNoConstantCondition } from "./converters/no-constant-condition";
 import { convertNoConstruct } from "./converters/no-construct";
 import { convertNoControlRegex } from "./converters/no-control-regex";
 import { convertNoDebugger } from "./converters/no-debugger";
+import { convertNoDuplicateImports } from "./converters/no-duplicate-imports";
 import { convertNoDuplicateSuper } from "./converters/no-duplicate-super";
 import { convertNoDuplicateSwitchCase } from "./converters/no-duplicate-switch-case";
 import { convertNoEmpty } from "./converters/no-empty";
@@ -140,6 +141,7 @@ export const converters = new Map([
     ["no-conditional-assignment", convertNoConditionalAssignment],
     ["no-construct", convertNoConstruct],
     ["no-debugger", convertNoDebugger],
+    ["no-duplicate-imports", convertNoDuplicateImports],
     ["no-duplicate-super", convertNoDuplicateSuper],
     ["no-duplicate-switch-case", convertNoDuplicateSwitchCase],
     ["no-empty-interface", convertNoEmptyInterface],

src/rules/converters/no-duplicate-imports.ts

@@ -0,0 +1,14 @@
+import { RuleConverter } from "../converter";
+
+export const convertNoDuplicateImports: RuleConverter = tslintRule => {
+    return {
+        rules: [
+            {
+                ...(tslintRule.ruleArguments.includes("allow-namespace-imports") && {
+                    notices: ["ESLint does not support optional config allow-namespace-imports."],
+                }),
+                ruleName: "no-duplicate-imports",
+            },
+        ],
+    };
+};

src/rules/converters/tests/no-duplicate-imports.test.ts

@@ -0,0 +1,32 @@
+import { convertNoDuplicateImports } from "../no-duplicate-imports";
+
+describe(convertNoDuplicateImports, () => {
+    test("conversion without arguments", () => {
+        const result = convertNoDuplicateImports({
+            ruleArguments: [],
+        });
+
+        expect(result).toEqual({
+            rules: [
+                {
+                    ruleName: "no-duplicate-imports",
+                },
+            ],
+        });
+    });
+
+    test("conversion with allow-namespace-imports argument", () => {
+        const result = convertNoDuplicateImports({
+            ruleArguments: ["allow-namespace-imports"],
+        });
+
+        expect(result).toEqual({
+            rules: [
+                {
+                    notices: ["ESLint does not support optional config allow-namespace-imports."],
+                    ruleName: "no-duplicate-imports",
+                },
+            ],
+        });
+    });
+});