fix: copy dts files (#888)

package.json

@@ -30,6 +30,7 @@
     "lint:css": "stylelint demo/**/*.html",
     "build": "npm-run-all --parallel build:*",
     "build:esbuild": "tsx scripts/build.ts",
+    "build:copy-dts": "tsx scripts/copy-dts.ts",
     "build:tsc": "tsc --emitDeclarationOnly --isolatedModules -p tsconfig.build.json",
     "start": "vite",
     "test": "karma start karma.config.cjs",

scripts/copy-dts.ts

@@ -0,0 +1,17 @@
+import { constants, copyFile, mkdir } from 'node:fs/promises';
+import { glob } from 'glob';
+
+const root = new URL('../', import.meta.url);
+const src = new URL('./src/', root);
+const dist = new URL('./dist/', root);
+
+await mkdir(dist, { recursive: true });
+
+const files = await glob(['**/*.d.ts'], { cwd: src });
+await Promise.all(
+  files.map(async (f) => {
+    const file = new URL(f, dist);
+    await mkdir(new URL('./', file), { recursive: true });
+    return await copyFile(new URL(f, src), file, constants.COPYFILE_FICLONE);
+  }),
+);