feat(highlightjs): add test

packages/highlightjs/README.md

@@ -5,3 +5,7 @@ This library was generated with [Nx](https://nx.dev).
 ## Building
 
 Run `nx build highlightjs` to build the library.
+
+## Running unit tests
+
+Run `nx test highlightjs` to execute the unit tests via [Vitest](https://vitest.dev/).

packages/highlightjs/src/syntax_highlighting.spec.ts

@@ -0,0 +1,14 @@
+import { describe, it } from "vitest";
+import definitions from "./syntax_highlighting.js";
+
+describe("Syntax highlighting definitions", () => {
+    it("every entry is readable", async () => {
+        for (const [ mime, mapping ] of Object.entries(definitions)) {
+            if (mapping === null) {
+                continue;
+            }
+
+            await mapping.loader;
+        }
+    });
+});

packages/highlightjs/tsconfig.json

@@ -5,6 +5,9 @@
   "references": [
     {
       "path": "./tsconfig.lib.json"
+    },
+    {
+      "path": "./tsconfig.spec.json"
     }
   ]
 }

packages/highlightjs/tsconfig.lib.json

@@ -17,5 +17,19 @@
   "include": [
     "src/**/*.ts"
   ],
-  "references": []
+  "references": [],
+  "exclude": [
+    "vite.config.ts",
+    "vite.config.mts",
+    "vitest.config.ts",
+    "vitest.config.mts",
+    "src/**/*.test.ts",
+    "src/**/*.spec.ts",
+    "src/**/*.test.tsx",
+    "src/**/*.spec.tsx",
+    "src/**/*.test.js",
+    "src/**/*.spec.js",
+    "src/**/*.test.jsx",
+    "src/**/*.spec.jsx"
+  ]
 }

packages/highlightjs/tsconfig.spec.json

@@ -0,0 +1,36 @@
+{
+  "extends": "../../tsconfig.base.json",
+  "compilerOptions": {
+    "outDir": "./out-tsc/vitest",
+    "types": [
+      "vitest/globals",
+      "vitest/importMeta",
+      "vite/client",
+      "node",
+      "vitest"
+    ],
+    "forceConsistentCasingInFileNames": true,
+    "noImplicitOverride": true,
+    "noImplicitReturns": true
+  },
+  "include": [
+    "vite.config.ts",
+    "vite.config.mts",
+    "vitest.config.ts",
+    "vitest.config.mts",
+    "src/**/*.test.ts",
+    "src/**/*.spec.ts",
+    "src/**/*.test.tsx",
+    "src/**/*.spec.tsx",
+    "src/**/*.test.js",
+    "src/**/*.spec.js",
+    "src/**/*.test.jsx",
+    "src/**/*.spec.jsx",
+    "src/**/*.d.ts"
+  ],
+  "references": [
+    {
+      "path": "./tsconfig.lib.json"
+    }
+  ]
+}

packages/highlightjs/vite.config.ts

@@ -1,4 +1,4 @@
-/// <reference types='vitest' />
+
 import { defineConfig } from 'vite';
 import dts from 'vite-plugin-dts';
 import * as path from 'path';
@@ -6,7 +6,7 @@ import * as path from 'path';
 export default defineConfig(() => ({
   root: __dirname,
   cacheDir: '../../node_modules/.vite/packages/highlightjs',
-  plugins: [dts({ entryRoot: 'src', tsconfigPath: path.join(__dirname, 'tsconfig.lib.json') })],
+  plugins: [dts({ entryRoot: 'src', tsconfigPath: path.join(__dirname, 'tsconfig.lib.json') }), ],
   // Uncomment this if you are using workers.
   // worker: {
   //  plugins: [ nxViteTsPaths() ],