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silverbullet/web/collab.ts
2022-10-25 18:50:07 +02:00

58 lines
1.5 KiB
TypeScript

import { Extension, WebsocketProvider, Y, yCollab } from "./deps.ts";
const userColors = [
{ color: "#30bced", light: "#30bced33" },
{ color: "#6eeb83", light: "#6eeb8333" },
{ color: "#ffbc42", light: "#ffbc4233" },
{ color: "#ecd444", light: "#ecd44433" },
{ color: "#ee6352", light: "#ee635233" },
{ color: "#9ac2c9", light: "#9ac2c933" },
{ color: "#8acb88", light: "#8acb8833" },
{ color: "#1be7ff", light: "#1be7ff33" },
];
export class CollabState {
ydoc: Y.Doc;
collabProvider: WebsocketProvider;
ytext: Y.Text;
yundoManager: Y.UndoManager;
constructor(serverUrl: string, token: string, username: string) {
this.ydoc = new Y.Doc();
this.collabProvider = new WebsocketProvider(
serverUrl,
token,
this.ydoc,
);
this.collabProvider.on("status", (e: any) => {
console.log("Collab status change", e);
});
this.collabProvider.on("sync", (e: any) => {
console.log("Sync status", e);
});
this.ytext = this.ydoc.getText("codemirror");
this.yundoManager = new Y.UndoManager(this.ytext);
const randomColor =
userColors[Math.floor(Math.random() * userColors.length)];
this.collabProvider.awareness.setLocalStateField("user", {
name: username,
color: randomColor.color,
colorLight: randomColor.light,
});
}
stop() {
this.collabProvider.destroy();
}
collabExtension(): Extension {
return yCollab(this.ytext, this.collabProvider.awareness, {
undoManager: this.yundoManager,
});
}
}