Add special case for remark-prism (#232)

package.json

@@ -103,10 +103,13 @@
     "phantomjs-prebuilt": "^2.1.16",
     "playwright-core": "^1.11.1",
     "polyfill-library": "3.93.0",
+    "prismjs": "^1.24.1",
     "pug": "^3.0.1",
     "react": "^16.8.6",
     "react-dom": "^16.8.6",
     "redis": "^3.1.1",
+    "remark-parse": "^10.0.0",
+    "remark-prism": "^1.3.6",
     "rxjs": "^6.5.2",
     "saslprep": "^1.0.3",
     "semver": "^7.1.1",
@@ -120,6 +123,7 @@
     "twilio": "^3.33.0",
     "typescript": "^3.9.6",
     "uglify-js": "^3.6.0",
+    "unified": "^10.1.0",
     "vm2": "^3.8.2",
     "vue": "^2.6.10",
     "vue-server-renderer": "^2.6.10",

src/utils/special-cases.ts

@@ -82,6 +82,17 @@ const specialCases: Record<string, (o: SpecialCaseOpts) => void> = {
       emitAssetDirectory(resolve(dirname(id), '..', 'bin'));
     }
   },
+  'remark-prism' ({ id, emitAssetDirectory }) {
+    const file = 'remark-prism/src/highlight.js';
+    if (id.endsWith(file)) {
+      try {
+        const node_modules = id.slice(0, -file.length);
+        emitAssetDirectory(resolve(node_modules, 'prismjs', 'components'));
+      } catch (e) {
+        // fail silently
+      }
+    }
+  },
   'semver' ({ id, emitAsset }) {
     if (id.endsWith('semver/index.js')) {
       // See https://github.com/npm/node-semver/blob/master/CHANGELOG.md#710

test/integration/remark-prism.mjs

@@ -0,0 +1,7 @@
+import { unified } from 'unified';
+import parse from 'remark-parse';
+import prism from 'remark-prism';
+
+const engine = unified().use(parse).use(prism);
+const ast = engine.parse('# markdown');
+engine.runSync(ast);