Add missing converter: no-null-keyword (#202)

* Add missing converter: no-null-keyword

Add converter for #173

* Add notice null type handling #173

* Fixup: unintended line merging

Author: da-snap

src/rules/converters.ts

@@ -63,6 +63,7 @@ import { convertNoMisusedNew } from "./converters/no-misused-new";
 import { convertNoMultilineString } from "./converters/no-multiline-string";
 import { convertNoNamespace } from "./converters/no-namespace";
 import { convertNoNonNullAssertion } from "./converters/no-non-null-assertion";
+import { convertNoNullKeyword } from "./converters/no-null-keyword";
 import { convertNoObjectLiteralTypeAssertion } from "./converters/no-object-literal-type-assertion";
 import { convertNoOctalLiteral } from "./converters/no-octal-literal";
 import { convertNoParameterProperties } from "./converters/no-parameter-properties";
@@ -186,6 +187,7 @@ export const converters = new Map([
     ["no-multiline-string", convertNoMultilineString],
     ["no-namespace", convertNoNamespace],
     ["no-non-null-assertion", convertNoNonNullAssertion],
+    ["no-null-keyword", convertNoNullKeyword],
     ["no-object-literal-type-assertion", convertNoObjectLiteralTypeAssertion],
     ["no-octal-literal", convertNoOctalLiteral],
     ["no-parameter-properties", convertNoParameterProperties],

src/rules/converters/no-null-keyword.ts

@@ -0,0 +1,13 @@
+import { RuleConverter } from "../converter";
+
+export const convertNoNullKeyword: RuleConverter = () => {
+    return {
+        notices: ["Null types will no longer be handled."],
+        rules: [
+            {
+                ruleName: "no-null/no-null",
+            },
+        ],
+        plugins: ["no-null"],
+    };
+};

src/rules/converters/tests/no-null-keyword.test.ts

@@ -0,0 +1,19 @@
+import { convertNoNullKeyword } from "../no-null-keyword";
+
+describe(convertNoNullKeyword, () => {
+    test("conversion without arguments", () => {
+        const result = convertNoNullKeyword({
+            ruleArguments: [],
+        });
+
+        expect(result).toEqual({
+            notices: ["Null types will no longer be handled."],
+            rules: [
+                {
+                    ruleName: "no-null/no-null",
+                },
+            ],
+            plugins: ["no-null"],
+        });
+    });
+});