Bundle browser script, add package exports, add sourcemaps

scripts/replace.js

@@ -0,0 +1,27 @@
+const { readFile, writeFile } = require("fs/promises");
+const { dirname, resolve } = require("path");
+
+main();
+
+async function main() {
+  const root = dirname(__dirname);
+
+  const wasmJsPath = resolve(root, "dist/ffprobe-wasm.mjs");
+
+  let content = await readFile(wasmJsPath, { encoding: "utf8" });
+
+  content = `\
+import initWasmInstance from "./ffprobe-wasm.wasm";
+const initWasm = (info) =>
+  initWasmInstance(info).then((exports) => ({ instance: { exports } }));
+${content}`;
+
+  content = content.replace(`import.meta.url`, `''`);
+
+  content = content.replace(
+    `instantiateAsync().catch(readyPromiseReject)`,
+    `initWasm(info).then(receiveInstantiatedSource, readyPromiseReject)`
+  );
+
+  await writeFile(wasmJsPath, content, { encoding: "utf8" });
+}