feat: add internalWasmUrl option (#323)

denoland · Jul 19, 2023 · 45c5006 · 45c5006
1 parent e44d964
commit 45c5006
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Showing 2 changed files with 7 additions and 1 deletion.
diff --git a/mod.ts b/mod.ts
@@ -169,6 +169,8 @@ export interface BuildOptions {
   filterDiagnostic?: (diagnostic: ts.Diagnostic) => boolean;
   /** Action to do after emitting and before running tests. */
   postBuild?: () => void | Promise<void>;
+  /** Custom Wasm URL for the internal Wasm module used by dnt. */
+  internalWasmUrl?: string;
 }
 
 /** Builds the specified Deno module to an npm package using the TypeScript compiler. */
@@ -539,6 +541,7 @@ export async function build(options: BuildOptions): Promise<void> {
       mappings: options.mappings,
       target: scriptTarget,
       importMap: options.importMap,
+      internalWasmUrl: options.internalWasmUrl,
     });
   }
 

diff --git a/transform.ts b/transform.ts
@@ -68,6 +68,7 @@ export interface TransformOptions {
   target: ScriptTarget;
   /// Path or url to the import map.
   importMap?: string;
+  internalWasmUrl?: string;
 }
 
 /** Dependency in a package.json file. */
@@ -122,7 +123,9 @@ export async function transform(
       ? undefined
       : valueToUrl(options.importMap),
   };
-  const wasmFuncs = await instantiate();
+  const wasmFuncs = await instantiate({
+    url: options.internalWasmUrl ? new URL(options.internalWasmUrl) : undefined,
+  });
   return wasmFuncs.transform(newOptions);
 }