Added quick utility script for making a new rule

package.json

@@ -70,6 +70,7 @@
     },
     "scripts": {
         "eslint": "eslint \"./src/*.ts\" \"./src/**/*.ts\" --report-unused-disable-directives",
+        "new-converter": "node ./script/new-converter",
         "prettier": "prettier \"./src/*.{js,json,ts,xml,yaml}\" \"./src/**/*.{js,json,ts,xml,yaml}\" --ignore-path .prettierignore",
         "prettier:write": "npm run prettier -- --write",
         "test": "jest",

script/new-converter.js

@@ -0,0 +1,63 @@
+const { Command } = require("commander");
+const { promises: fs } = require("fs");
+const { upperFirst, camelCase } = require("lodash");
+
+(async () => {
+    const command = new Command()
+        .option("--eslint [eslint]", "name of the original ESLint rule")
+        .option("--tslint [tslint]", "name of the original TSLint rule");
+
+    const args = command.parse(process.argv).opts();
+
+    for (const arg of ["eslint", "tslint"]) {
+        if (!args[arg]) {
+            throw new Error(`Missing --${arg} option.`);
+        }
+    }
+
+    const tslintPascalCase = upperFirst(camelCase(args.tslint));
+    const plugins = args.eslint.includes("/")
+        ? `
+        plugins: ["${args.eslint.split("/")[0]}"],`
+        : "";
+
+    await fs.writeFile(
+        `./src/converters/lintConfigs/rules/ruleConverters/${args.tslint}.ts`,
+        `
+    import { RuleConverter } from "../ruleConverter";
+
+export const convert${tslintPascalCase}: RuleConverter = () => {
+    return {${plugins}
+        rules: [
+            {
+                ruleName: "${args.eslint}",
+            },
+        ],
+    };
+};
+`.trimLeft(),
+    );
+
+    await fs.writeFile(
+        `./src/converters/lintConfigs/rules/ruleConverters/tests/${args.tslint}.test.ts`,
+        `
+import { convert${tslintPascalCase} } from "../${args.tslint}";
+
+describe(convert${tslintPascalCase}, () => {
+    test("conversion without arguments", () => {
+        const result = convert${tslintPascalCase}({
+            ruleArguments: [],
+        });
+
+        expect(result).toEqual({${plugins.replace("\n", "\n    ")}
+            rules: [
+                {
+                    ruleName: "${args.eslint}",
+                },
+            ],
+        });
+    });
+});
+`.trimLeft(),
+    );
+})();