@anywidget/deno - npm Package Compare versions

Comparing version 0.0.5 to 0.1.0

CHANGELOG.md

 # @anywidget/deno
 
+## 0.1.0
+
+### Minor Changes
+
+- Switch to sync API to define widget ([#487](https://github.com/manzt/anywidget/pull/487))
+
 ## 0.0.5
@@ -4,0 +10,0 @@

mod.ts

@@ -1,3 +0,2 @@
-import * as path from "https://deno.land/std@0.203.0/path/mod.ts";
-import mitt, { type Emitter } from "npm:mitt@3";
+import * as path from "jsr:@std/path@0.220.1";
 import { find_data_dir } from "./jupyter_paths.ts";
@@ -113,11 +112,8 @@
 class Model<State> {
-	_state: State;
-	_emitter: Emitter<ChangeEvents<State>>;
+	private _state: State;
+	private _target: EventTarget;
 
 	constructor(state: State) {
 		this._state = state;
-		// types are messed up for mitt.
-		this._emitter = (mitt as unknown as typeof mitt.default)<
-			ChangeEvents<State>
-		>();
+		this._target = new EventTarget();
 	}
@@ -129,3 +125,3 @@ get<K extends keyof State>(key: K): State[K] {
 		// @ts-expect-error can't convince TS that K is a key of State
-		this._emitter.emit(`change:${key}`, value);
+		this._emit(`change:${key}`, value);
 		this._state[key] = value;
@@ -135,6 +131,10 @@ }
 		name: Event,
-		callback: (data: ChangeEvents<State>[Event]) => void,
+		callback: () => void,
 	): void {
-		this._emitter.on(name, callback);
+		this._target.addEventListener(name, callback);
 	}
+
+	private _emit(name: string, data: unknown) {
+		this._target.dispatchEvent(new CustomEvent(name, { detail: data }));
+	}
 }
@@ -172,3 +172,3 @@
 
-export async function widget<State>({
+export function widget<State>({
 	state,
@@ -181,7 +181,10 @@ render,
 	let comm = new Comm({ anywidget_version: version });
-	await comm.init();
-	await comm.send_state({ ...state, _esm: to_esm({ imports, render }) });
+	let init_promise = comm
+		.init()
+		.then(() =>
+			comm.send_state({ ...state, _esm: to_esm({ imports, render }) })
+		);
 	for (let key in state) {
-		model.on(`change:${key}`, (data) => {
-			comm.send_state({ [key]: data });
+		model.on(`change:${key}`, () => {
+			comm.send_state({ [key]: model.get(key) });
 		});
@@ -192,3 +195,6 @@ }
 			if (prop === Symbol.for("Jupyter.display")) {
-				return comm.mimebundle.bind(comm);
+				return async () => {
+					await init_promise;
+					return comm.mimebundle();
+				};
 			}
@@ -195,0 +201,0 @@ return Reflect.get(target, prop, receiver);

package.json

 {
   "name": "@anywidget/deno",
-  "version": "0.0.5",
+  "version": "0.1.0",
   "description": "A stub-package for making releases of the Deno anywidget mod.ts with changesets"
 }

README.md

@@ -12,3 +12,3 @@ # anywidget (deno)
 
-const model = await widget({
+const model = widget({
 	state: { letters: "abcd" },
@@ -15,0 +15,0 @@ imports: `\

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Improved metrics

Total package byte prevSize

18348

increased by0.7%

Lines of code

515

increased by0.98%

No dependency changes