Allow create-typescript-app in .ts files

Author: JoshuaKGoldberg

.eslintrc.cjs

@@ -37,7 +37,7 @@ module.exports = {
 			files: ["**/*.ts"],
 			parser: "@typescript-eslint/parser",
 			rules: {
-				// These off-by-default rules work well for this repo and we like them on.
+				// These off-/differently-configured-by-default rules work well for this repo and we like them on.
 				"jsdoc/informative-docs": "error",
 				"logical-assignment-operators": [
 					"error",
@@ -53,6 +53,15 @@ module.exports = {
 				"jsdoc/require-returns": "off",
 			},
 		},
+		{
+			files: "**/*.md/*.ts",
+			rules: {
+				"n/no-missing-import": [
+					"error",
+					{ allowModules: ["create-typescript-app"] },
+				],
+			},
+		},
 		{
 			excludedFiles: ["**/*.md/*.ts"],
 			extends: [

src/steps/writing/creation/createESLintRC.test.ts

@@ -74,6 +74,15 @@ describe("createESLintRC", () => {
 				        \\"operator-assignment\\": \\"error\\",
 				      },
 				    },
+				    {
+				      files: \\"**/*.md/*.ts\\",
+				      rules: {
+				        \\"n/no-missing-import\\": [
+				          \\"error\\",
+				          { allowModules: [\\"create-typescript-app\\"] },
+				        ],
+				      },
+				    },
 				    {
 				      extends: [\\"plugin:@typescript-eslint/recommended-type-checked\\"],
 				      files: [\\"**/*.ts\\"],
@@ -149,6 +158,15 @@ describe("createESLintRC", () => {
 				        \\"jsdoc/require-returns\\": \\"off\\",
 				      },
 				    },
+				    {
+				      files: \\"**/*.md/*.ts\\",
+				      rules: {
+				        \\"n/no-missing-import\\": [
+				          \\"error\\",
+				          { allowModules: [\\"create-typescript-app\\"] },
+				        ],
+				      },
+				    },
 				    {
 				      excludedFiles: [\\"**/*.md/*.ts\\"],
 				      extends: [

src/steps/writing/creation/createESLintRC.ts

@@ -75,6 +75,15 @@ module.exports = {
 				}
 			},
 		},
+		{
+			files: "**/*.md/*.ts",
+			rules: {
+				"n/no-missing-import": [
+					"error",
+					{ allowModules: ["create-typescript-app"] },
+				],
+			},
+		},
 		{
 			${
 				options.excludeLintMd