chore: add test project rollup-import

Author: EqualMa

.eslintrc.js

@@ -8,9 +8,16 @@ module.exports = {
   extends: [
     //
     "eslint:recommended",
+    "plugin:jest/recommended",
     "plugin:prettier/recommended",
   ],
   overrides: [
+    {
+      files: ["*.mjs", "rollup*.config.js", "test.js"],
+      parserOptions: {
+        sourceType: "module",
+      },
+    },
     {
       files: "*.ts",
       parser: "@typescript-eslint/parser",
@@ -21,6 +28,7 @@ module.exports = {
       plugins: ["prettier", "@typescript-eslint"],
       extends: [
         "eslint:recommended",
+        "plugin:jest/recommended",
         "plugin:@typescript-eslint/eslint-recommended",
         "plugin:@typescript-eslint/recommended",
         "plugin:prettier/recommended",

jest.config.js

@@ -7,4 +7,9 @@ module.exports = {
     },
   },
   modulePathIgnorePatterns: ["dist", "jest-ignore"],
+  projects: [
+    //
+    "<rootDir>",
+    "<rootDir>/test-projects/*",
+  ],
 };

package.json

@@ -38,7 +38,7 @@
     "@semantic-release/changelog": "^5.0.1",
     "@semantic-release/exec": "^5.0.0",
     "@semantic-release/git": "^9.0.0",
-    "@types/jest": "^26.0.24",
+    "@types/jest": "^27.0.2",
     "@types/node": "^16.11.6",
     "@types/rimraf": "^3.0.1",
     "@typescript-eslint/eslint-plugin": "^4.28.3",
@@ -47,6 +47,7 @@
     "builtin-modules": "^3.2.0",
     "eslint": "^7.31.0",
     "eslint-config-prettier": "^8.3.0",
+    "eslint-plugin-jest": "^25.2.2",
     "eslint-plugin-prettier": "^3.4.0",
     "husky": "^7.0.1",
     "jest": "^27.0.6",
@@ -91,6 +92,7 @@
     "access": "public"
   },
   "workspaces": [
+    "test-projects/*",
     "test/built-pkg/jest-ignore"
   ],
   "packageManager": "[email protected]"

src/util/test-mod.ts

@@ -0,0 +1,15 @@
+/**
+ * This module is only for testing
+ */
+
+import * as path from "path";
+
+export const MESSAGE = "This module is only for testing";
+
+export function hello(name = "world"): string {
+  return `Hello ${name}!`;
+}
+
+export function testPathDelimiter(): string {
+  return path.delimiter;
+}

test-projects/rollup-import/index.mjs

@@ -0,0 +1,3 @@
+import * as testMod from "tlibjs-dist/util/test-mod";
+
+export { testMod };

test-projects/rollup-import/package.json

@@ -0,0 +1,11 @@
+{
+  "private": true,
+  "dependencies": {
+    "tlibjs-dist": "link:../../dist"
+  },
+  "devDependencies": {
+    "@rollup/plugin-node-resolve": "^13.0.6",
+    "core-js": "^3.19.0",
+    "rollup": "^2.58.3"
+  }
+}

test-projects/rollup-import/test.js

@@ -0,0 +1,36 @@
+import * as path from "path";
+import { posix as pp } from "path";
+import { rollup } from "rollup";
+import nodeResolve from "@rollup/plugin-node-resolve";
+
+const FORMATS = ["esm", "cjs"];
+
+test("rollup build", async () => {
+  const bundle = await rollup({
+    input: path.join(__dirname, "./index.mjs"),
+    plugins: [nodeResolve()],
+  });
+
+  expect(
+    bundle.watchFiles.map((f) => pp.relative(__dirname, f)),
+  ).toMatchSnapshot("watchFiles");
+
+  const outputs = await Promise.all(
+    FORMATS.map((format) =>
+      bundle.generate({ format }).then((out) => {
+        const outs = out.output.map((output) => {
+          return {
+            type: output.type,
+            name: output.name,
+            fileName: output.fileName,
+            code: output.type === "chunk" ? output.code : null,
+          };
+        });
+
+        return [format, outs];
+      }),
+    ),
+  );
+
+  expect(Object.fromEntries(outputs)).toMatchSnapshot("outputs");
+});