preload the WASM file even though the version is undefined. (#5618)

preload the WASM file even though the version is undefined

Author: TrickyPi

docs/repl/stores/rollup.ts

@@ -37,8 +37,12 @@ function getRollupJsUrl({ type, version }: RollupRequest) {
 function getRollupWasmFileUrl({ type, version }: RollupRequest) {
 	if (type === 'pr') {
 		return getFullUrlFromAWS(version, ROLLUP_WASM_FILE);
-	} else if (type === 'version' && version && isRollupVersionAtLeast(version, 4, 0)) {
-		return getFullUrlFromUnpkg(version, ROLLUP_WASM_FILE);
+	} else if (type === 'version') {
+		if (!version) {
+			return getFullUrlFromUnpkg(undefined, ROLLUP_WASM_FILE);
+		} else if (isRollupVersionAtLeast(version, 4, 0)) {
+			return getFullUrlFromUnpkg(version, ROLLUP_WASM_FILE);
+		}
 	}
 }