Merge pull request #30923 from storybookjs/kasper/unicode-esbuild

Core: Prebundle jsdoc-type-pratt-parser again

code/builders/builder-vite/src/optimizeDeps.ts

@@ -71,7 +71,6 @@ const INCLUDE_CANDIDATES = [
   'fast-deep-equal',
   'html-tags',
   'isobject',
-  'jsdoc-type-pratt-parser', // TODO: Remove this once it's converted to ESM: https://github.com/jsdoc-type-pratt-parser/jsdoc-type-pratt-parser/issues/173
   'loader-utils',
   'lodash/camelCase.js',
   'lodash/camelCase',

code/core/package.json

@@ -511,7 +511,6 @@
     "better-opn": "^3.0.2",
     "esbuild": "^0.18.0 || ^0.19.0 || ^0.20.0 || ^0.21.0 || ^0.22.0 || ^0.23.0 || ^0.24.0 || ^0.25.0",
     "esbuild-register": "^3.5.0",
-    "jsdoc-type-pratt-parser": "^4.0.0",
     "polished": "^4.2.2",
     "recast": "^0.23.5",
     "semver": "^7.6.2",
@@ -599,6 +598,7 @@
     "globby": "^14.0.1",
     "jiti": "^1.21.6",
     "js-yaml": "^4.1.0",
+    "jsdoc-type-pratt-parser": "^4.0.0",
     "lazy-universal-dotenv": "^4.0.0",
     "leven": "^4.0.0",
     "markdown-to-jsx": "^7.7.2",

code/core/scripts/prep.ts

@@ -106,6 +106,17 @@ async function run() {
       outdir: 'dist',
       sourcemap: false,
       treeShaking: true,
+      supported: {
+        // This is an ES2018 feature, but esbuild is really strict here.
+        // Since not all browser support the latest Unicode characters.
+        //
+        // Also this feature only works in combination with a Regex polyfill that we don't load.
+        //
+        // The Hermes engine of React Native doesn't support this feature,
+        // but leaving the regex alone, actually allows Hermes to do its own thing,
+        // without us having to load a RegExp polyfill.
+        'regexp-unicode-property-escapes': true,
+      },
     } satisfies EsbuildContextOptions;
 
     const browserEsbuildOptions = {