Extend Node.js compatibility.

whitequark · whitequark · commit 88d976d4201b · 2025-10-21T00:22:17.000Z
diff --git a/lib/api.js b/lib/api.js
@@ -23,7 +23,12 @@ async function fetchObject(obj, fetchFn) {
 }
 
 function fetchWebAssembly(url) {
-    return fetch(url).then(WebAssembly.compileStreaming);
+    if (WebAssembly.compileStreaming !== undefined) {
+        return fetch(url).then(WebAssembly.compileStreaming);
+    } else {
+        // Node doesn't have `{compile,instantiate}Streaming`.
+        return fetch(url).then((resp) => resp.arrayBuffer()).then(WebAssembly.compile);
+    }
 }
 
 function fetchUint8Array(url) {

Original file line number	Diff line number	Diff line change
`@@ -23,7 +23,12 @@ async function fetchObject(obj, fetchFn) {`
`23`	`23`	`}`
`24`	`24`
`25`	`25`	`function fetchWebAssembly(url) {`
`26`		`- return fetch(url).then(WebAssembly.compileStreaming);`
	`26`	`+ if (WebAssembly.compileStreaming !== undefined) {`
	`27`	`+ return fetch(url).then(WebAssembly.compileStreaming);`
	`28`	`+ } else {`
	`29`	+ // Node doesn't have `{compile,instantiate}Streaming`.
	`30`	`+ return fetch(url).then((resp) => resp.arrayBuffer()).then(WebAssembly.compile);`
	`31`	`+ }`
`27`	`32`	`}`
`28`	`33`
`29`	`34`	`function fetchUint8Array(url) {`