Experimentally use clang's C preprocessor to filter #ifdef's out of the generated sqlite3-api.js, the goal being to see if we can feasibly use cpp to include ES6 module-specific code in the main code base and conditionally filter it out.

FossilOrigin-Name: 718a6d371e61359d73c8f80afdb248e3d9b4d8df4c4e5c122ac884344e31035b

1 files changed, 8 insertions, 3 deletions

diff --git a/ext/wasm/api/sqlite3-api-opfs.js b/ext/wasm/api/sqlite3-api-opfs.js
index 86285df1d..3cb5c8a3e 100644
--- a/ext/wasm/api/sqlite3-api-opfs.js
+++ b/ext/wasm/api/sqlite3-api-opfs.js
@@ -166,7 +166,12 @@ const installOpfsVfs = function callee(options){
       opfsVfs.dispose();
       return promiseReject_(err);
     };
-    const W = new Worker(options.proxyUri);
+    const W =
+#ifdef SQLITE_JS_ESM
+    new Worker(new URL(options.proxyUri, import.meta.url));
+#else
+    new Worker(options.proxyUri);
+#endif
     W._originalOnError = W.onerror /* will be restored later */;
     W.onerror = function(err){
       // The error object doesn't contain any useful info when the
@@ -566,7 +571,7 @@ const installOpfsVfs = function callee(options){
         const ndx = Math.random() * (f._n * 64) % f._n | 0;
         a[i] = f._chars[ndx];
       }
-      return a.join('');
+      return a.join("");
     };
 
     /**
@@ -1155,7 +1160,7 @@ const installOpfsVfs = function callee(options){
             be set here.
           */
           //"pragma cache_size=-8388608;"
-        ].join('')
+        ].join("")
       );
     }