Webworker

eyg/public/.gitignore

@@ -1 +1 @@
-bundle.js
+*.js

eyg/src/atelier/worker.gleam

@@ -0,0 +1,12 @@
+import gleam/io
+import eygir/decode
+import eyg/runtime/standard
+
+pub fn infer(data) {
+  io.debug(Ok("foo111111111111"))
+  // io.debug()
+  case decode.decoder(data) {
+    Ok(source) -> standard.infer(source)
+    Error(_) -> todo("need to not send")
+  }
+}

eyg/src/browser_ffi.js

@@ -20,3 +20,18 @@ export function listenKeypress(dispatch) {
     dispatch(event.key);
   });
 }
+
+export function startWorker(path) {
+  return new Worker(path);
+}
+
+export function postMessage(worker, message) {
+  worker.postMessage(message);
+}
+
+export function onMessage(worker, callback) {
+  worker.addEventListener("message", function (msg) {
+    console.log("message from worker received in main:", msg);
+    callback(msg.data);
+  });
+}

eyg/src/plinth/browser.gleam

@@ -0,0 +1,2 @@
+pub external fn log(any) -> Nil =
+  "" "console.log"

eyg/src/plinth/browser/worker.gleam

@@ -0,0 +1,13 @@
+import gleam/dynamic.{Dynamic}
+import gleam/json.{Json}
+
+external type Worker
+
+external fn start_worker(String) -> Worker =
+  "../../browser_ffi.js" "startWorker"
+
+external fn post_message(Worker, Json) -> Nil =
+  "../../browser_ffi.js" "postMessage"
+
+external fn on_message(Worker, fn(Dynamic) -> Nil) -> Nil =
+  "../../browser_ffi.js" "onMessage"

eyg/src/worker.js

@@ -0,0 +1,6 @@
+import { infer } from "./atelier/worker.mjs";
+// build as es
+self.onmessage = function (msg) {
+  console.log("received msg: ", msg);
+  self.postMessage(infer(msg.data));
+};

language.Dockerfile

@@ -34,4 +34,8 @@ WORKDIR /opt/app/eyg
 # RUN npx rollup -f iife -i ./build/dev/javascript/eyg/bundle.js -o public/bundle.js
 # CMD gleam run web
 
-# gleam format && gleam build && npx rollup -f iife -i ./build/dev/javascript/eyg/bundle.js -o public/bundle.js && gleam run web
+# gleam format && \
+# gleam build && \
+# npx rollup -f iife -i ./build/dev/javascript/eyg/bundle.js -o public/bundle.js && \
+# npx rollup -f iife -i ./build/dev/javascript/eyg/worker.js -o public/worker.js && \
+# gleam run web