Removes ?? from interpolation to support web

src/system/string.ts

@@ -114,7 +114,7 @@ export function getTokensFromTemplate(template: string) {
 }
 
 // eslint-disable-next-line no-template-curly-in-string
-const tokenSanitizeReplacement = "$${this.$1 ?? ''}";
+const tokenSanitizeReplacement = "$${$1=this.$1,($1 == null ? '' : $1)}";
 const interpolationMap = new Map<string, Function>();
 
 export function interpolate(template: string, context: object | undefined): string {
@@ -138,7 +138,7 @@ const AsyncFunction = Object.getPrototypeOf(async function () {
 
 const tokenSanitizeReplacementAsync =
 	// eslint-disable-next-line no-template-curly-in-string
-	"$${$1=this.$1,($1 != null && typeof $1.then === 'function' ? await $1 : $1) ?? ''}";
+	"$${$1=this.$1,($1 == null ? '' : typeof $1.then === 'function' ? (($1 = await $1),$1 == null ? '' : $1) : $1)}";
 
 const interpolationAsyncMap = new Map<string, typeof AsyncFunction>();