fix: never cache wasm bundle

mirkobrombin · mirkobrombin · commit e331624854c7 · 2025-08-21T20:54:09.000+02:00
diff --git a/cmd/rfw/initproj/template/index.html b/cmd/rfw/initproj/template/index.html
@@ -10,7 +10,7 @@
         <script>
             const go = new Go();
             WebAssembly.instantiateStreaming(
-                fetch("/app.wasm"),
+                fetch("/app.wasm?" + Date.now()),
                 go.importObject,
             ).then((result) => {
                 go.run(result.instance);
diff --git a/cmd/rfw/server/server.go b/cmd/rfw/server/server.go
@@ -87,7 +87,7 @@ func (s *Server) Start() error {
 <script src="/dist/client/wasm_exec.js"></script>
 <script>
 const go = new Go();
-WebAssembly.instantiateStreaming(fetch("/dist/client/app.wasm"), go.importObject).then((result) => { go.run(result.instance); });
+WebAssembly.instantiateStreaming( fetch("/dist/client/app.wasm?" + Date.now()), go.importObject, ).then((result) => { go.run(result.instance); });
 </script>
 </body>
 </html>`, rendered)
diff --git a/docs/articles/guide/ssr.md b/docs/articles/guide/ssr.md
@@ -40,7 +40,7 @@ The server should embed the Wasm loader so the client can hydrate the markup:
 <script src="/dist/client/wasm_exec.js"></script>
 <script>
 const go = new Go();
-WebAssembly.instantiateStreaming(fetch("/dist/client/app.wasm"), go.importObject).then((result) => { go.run(result.instance); });
+WebAssembly.instantiateStreaming( fetch("/dist/client/app.wasm?" + Date.now()), go.importObject, ).then((result) => { go.run(result.instance); });});
 </script>
 ```
 
diff --git a/docs/examples/index.html b/docs/examples/index.html
@@ -13,7 +13,7 @@
         <script>
             const go = new Go();
             WebAssembly.instantiateStreaming(
-                fetch("/app.wasm"),
+                fetch("/app.wasm?" + Date.now()),
                 go.importObject,
             ).then((result) => {
                 go.run(result.instance);
diff --git a/docs/index.html b/docs/index.html
@@ -27,7 +27,7 @@
                 },
             });
             WebAssembly.instantiateStreaming(
-                fetch("/app.wasm"),
+                fetch("/app.wasm?" + Date.now()),
                 go.importObject,
             ).then((result) => {
                 go.run(result.instance);
diff --git a/examples/ssr_example/server/main.go b/examples/ssr_example/server/main.go
@@ -37,7 +37,7 @@ func main() {
 			http.Error(w, "render failed", http.StatusInternalServerError)
 			return
 		}
-		fmt.Fprintf(w, "<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n<meta charset=\"UTF-8\">\n<title>SSR Example</title>\n</head>\n<body>\n<div id=\"app\" data-hydrate>%s</div>\n<script src=\"/dist/client/wasm_exec.js\"></script>\n<script>\nconst go = new Go();\nWebAssembly.instantiateStreaming(fetch(\"/dist/client/app.wasm\"), go.importObject).then((result) => { go.run(result.instance); });\n</script>\n</body>\n</html>", rendered)
+		fmt.Fprintf(w, "<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n<meta charset=\"UTF-8\">\n<title>SSR Example</title>\n</head>\n<body>\n<div id=\"app\" data-hydrate>%s</div>\n<script src=\"/dist/client/wasm_exec.js\"></script>\n<script>\nconst go = new Go();\nWebAssembly.instantiateStreaming(fetch(\"/dist/client/app.wasm?\" + Date.now()), go.importObject).then((result) => { go.run(result.instance); });\n</script>\n</body>\n</html>", rendered)
 	})
 
 	log.Println("listening on :8080")

Original file line number	Diff line number	Diff line change
`@@ -37,7 +37,7 @@ func main() {`
`37`	`37`	`http.Error(w, "render failed", http.StatusInternalServerError)`
`38`	`38`	`return`
`39`	`39`	`}`
`40`		`- fmt.Fprintf(w, "<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n<meta charset=\"UTF-8\">\n<title>SSR Example</title>\n</head>\n<body>\n<div id=\"app\" data-hydrate>%s</div>\n<script src=\"/dist/client/wasm_exec.js\"></script>\n<script>\nconst go = new Go();\nWebAssembly.instantiateStreaming(fetch(\"/dist/client/app.wasm\"), go.importObject).then((result) => { go.run(result.instance); });\n</script>\n</body>\n</html>", rendered)`
	`40`	`+ fmt.Fprintf(w, "<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n<meta charset=\"UTF-8\">\n<title>SSR Example</title>\n</head>\n<body>\n<div id=\"app\" data-hydrate>%s</div>\n<script src=\"/dist/client/wasm_exec.js\"></script>\n<script>\nconst go = new Go();\nWebAssembly.instantiateStreaming(fetch(\"/dist/client/app.wasm?\" + Date.now()), go.importObject).then((result) => { go.run(result.instance); });\n</script>\n</body>\n</html>", rendered)`
`41`	`41`	`})`
`42`	`42`
`43`	`43`	`log.Println("listening on :8080")`