automerge-classic
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Published
20 hours ago •
automerge
automerge
rollup can't find wasm exports
I can't get automerge running in browser with rollup.
none of the exports from the wasm file will be recognized -> [name] is not exported by node_modules/@automerge/automerge-wasm/bundler/automerge_wasm_bg.wasm e.g.: automerge_generateSyncMessage is not exported by ...
what is missing for rollup
src/index.mjs
import * as Automerge from "@automerge/automerge";
export default () => {
let doc = Automerge.init();
let actorId = Automerge.getActorId(doc);
console.log("Automerge", actorId);
}
automerge.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Automerge</title>
</head>
<body>
<h1>Automerge</h1>
<script type="module">
import main from "./dist/browser/src/index.js";
main();
</script>
</body>
</html>
rollup.config.js
import { nodeResolve } from '@rollup/plugin-node-resolve';
import { wasm } from '@rollup/plugin-wasm';
import commonjs from '@rollup/plugin-commonjs';
export default {
input: 'src/index.mjs',
output: {
sourcemap: true,
preserveModules: true,
dir: 'dist/browser',
format: 'es'
},
plugins: [
commonjs(),
nodeResolve({
browser: true,
extensions: [".js", ".mjs", ".ts", ".wasm"],
exportConditions: ["module"],
mainFields: ["main", "module", "browser"]
}),
wasm({
targetEnv: "browser"
}),
]
};
This looks to me like an issue with Rollup's wasm plugin rather than automerge specifically. Although I appreciate that the state of wasm module support in the JS ecosystem is quite frustrating at the moment.
