jakelazaroff.com
a proof of concept realtime collaborative text editor using atproto as a sync server
jake.tngl.io/y-pds/
Deploy to tangled sites
author
Jake Lazaroff
date
(Mar 27, 2026, 10:10 PM -0400)
commit
1d1ca555
1d1ca555a7003b7cf82a03beb911ab33ff35133a
parent
ff3d8ad0
ff3d8ad0a2a4ea6f1517c8da4b935b3bdf4d16bc
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callback.html
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callback.html
···
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const params = new URLSearchParams(location.hash.slice(1));
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finalizeAuthorization(params)
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.then((agent) => {
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.then(agent => {
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localStorage.setItem("ypds:did", agent.session.info.sub);
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window.location.assign("/");
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window.location.assign("/y-pds/");
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})
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.catch((err) => console.error(err));
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.catch(err => console.error(err));
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</script>
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client-metadata.json
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client-metadata.json
···
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{
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"client_id": "https://ff10-66-108-106-210.ngrok-free.app/client-metadata.json",
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"client_uri": "https://ff10-66-108-106-210.ngrok-free.app",
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"redirect_uris": ["https://ff10-66-108-106-210.ngrok-free.app/callback.html"],
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"client_id": "https://jake.tngl.io/y-pds/client-metadata.json",
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"client_uri": "https://jake.tngl.io/y-pds",
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"redirect_uris": ["https://jake.tngl.io/y-pds/callback.html"],
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"application_type": "native",
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"client_name": "atrtc demo",
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"dpop_bound_access_tokens": true,
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"grant_types": ["authorization_code", "refresh_token"],
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"response_types": ["code"],
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"scope": "atproto repo?collection=com.jakelazaroff.ypds.doc&collection=com.jakelazaroff.ypds.update&collection=com.jakelazaroff.ypds.awareness&collection=com.jakelazaroff.ypds.snapshot",
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"scope": "atproto repo?collection=jake.tngl.io.ypds.doc&collection=jake.tngl.io.ypds.update&collection=jake.tngl.io.ypds.awareness&collection=jake.tngl.io.ypds.snapshot",
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"token_endpoint_auth_method": "none"
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}
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index.html
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index.html
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y-pds.js
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y-pds.js
···
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import * as Y from "yjs";
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import { Awareness, encodeAwarenessUpdate, applyAwarenessUpdate } from "y-protocols/awareness";
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export const DOC_COLLECTION = "com.jakelazaroff.ypds.doc";
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export const UPDATE_COLLECTION = "com.jakelazaroff.ypds.update";
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export const AWARENESS_COLLECTION = "com.jakelazaroff.ypds.awareness";
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export const DOC_COLLECTION = "jake.tngl.io.ypds.doc";
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export const UPDATE_COLLECTION = "jake.tngl.io.ypds.update";
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export const AWARENESS_COLLECTION = "jake.tngl.io.ypds.awareness";
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const encode = (/** @type {Uint8Array} */ update) => btoa(String.fromCharCode(...update));
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const decode = (/** @type {string} */ b64) => Uint8Array.from(atob(b64), c => c.charCodeAt(0));