feat: use vue-tsc generate vue declarations

package.json

@@ -57,18 +57,24 @@
     "sass": "^1.70.0",
     "typescript": "^5.3.3",
     "unbuild": "^2.0.0",
+    "vue": "^3.3.4",
+    "vue-tsc": "^1.8.5",
     "vitest": "^1.2.1"
   },
   "peerDependencies": {
     "sass": "^1.69.7",
-    "typescript": ">=5.3.3"
+    "typescript": ">=5.3.3",
+    "vue-tsc": "^1.8.5"
   },
   "peerDependenciesMeta": {
     "sass": {
       "optional": true
     },
     "typescript": {
       "optional": true
+    },
+    "vue-tsc": {
+      "optional": true
     }
   },
   "packageManager": "[email protected]"

src/make.ts

@@ -9,6 +9,7 @@ import {
   Loader,
 } from "./loader";
 import { getDeclarations } from "./utils/dts";
+import { getVueDeclarations } from "./utils/vue-dts";
 import { LoaderName } from "./loaders";
 
 export interface MkdistOptions extends LoaderOptions {
@@ -76,13 +77,11 @@ export async function mkdist(
   // Generate declarations
   const dtsOutputs = outputs.filter((o) => o.declaration && !o.skip);
   if (dtsOutputs.length > 0) {
-    const declarations = await getDeclarations(
-      new Map(dtsOutputs.map((o) => [o.srcPath, o.contents || ""])),
-      {
-        addRelativeDeclarationExtensions:
-          options.addRelativeDeclarationExtensions,
-      },
-    );
+    const vfs = new Map(dtsOutputs.map((o) => [o.srcPath, o.contents || ""]));
+    const declarations = Object.create(null);
+    for (const loader of [getVueDeclarations, getDeclarations]) {
+      Object.assign(declarations, await loader(vfs, options));
+    }
     for (const output of dtsOutputs) {
       output.contents = declarations[output.srcPath] || "";
     }

src/utils/dts.ts

@@ -37,6 +37,14 @@ export async function getDeclarations(
   const program = ts.createProgram(inputFiles, compilerOptions, tsHost);
   await program.emit();
 
+  return extractDeclarations(vfs, inputFiles, opts);
+}
+
+export function extractDeclarations(
+  vfs: Map<string, string>,
+  inputFiles: string[],
+  opts?: GetDeclarationsOptions,
+) {
   const output: Record<string, string> = {};
 
   for (const filename of inputFiles) {
@@ -60,6 +68,8 @@ export async function getDeclarations(
       }
     }
     output[filename] = contents;
+
+    vfs.delete(filename);
   }
 
   return output;