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Justin Halsall aab4c553cb docs: revamp installation docs for esm and umd (#1788 )

* docs: revamp installation docs for esm and umd

Document recommended install paths across the main guides and package
READMEs for rrweb, @rrweb/all, @rrweb/record, @rrweb/replay, and
rrweb-player.

Clarify three usage modes: bundler/npm, browser no-build with
import maps and +esm, and legacy UMD fallback.

* Apply suggestions from code review

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Apply formatting changes

* Apply suggestion from @eoghanmurray

Co-authored-by: Eoghan Murray <eoghan@getthere.ie>

* Apply formatting changes

* docs(all): streamline README usage section

Move the guide link next to the import example and remove the
duplicated Usage section to keep docs concise and easier to scan.

* docs(readme): update gzip size badges in zh-cn readme

* docs(plugins): update readme imports to scoped esm packages

Replace `rrweb` default imports and `rrweb.Replayer` usage with
`@rrweb/record` `record` and `@rrweb/replay` `Replayer` in plugin
usage examples.

Also update canvas WebRTC plugin imports to scoped `@rrweb/*`
package names to keep docs aligned with current package structure.

* docs: update docs to prefer scoped esm packages

replace `rrweb` default import examples with `@rrweb/record` and
`@rrweb/replay` across recipes and guides in en/zh-CN.

clarify package selection for new integrations, add `@rrweb/all`
convenience guidance, and refresh CDN/style import snippets for ESM and legacy UMD compatibility.

---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Co-authored-by: Eoghan Murray <eoghan@getthere.ie>

2026-04-01 12:00:00 +08:00

13 KiB

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rrweb canvas webrtc plugin

Plugin that live streams contents of canvas elements via webrtc

Example of live streaming via `yarn live-stream`

https://user-images.githubusercontent.com/4106/186701616-fd71a107-5d53-423c-ba09-0395a3a0252f.mov

Instructions

Record side

// Record side

import { record } from '@rrweb/record';
import { RRWebPluginCanvasWebRTCRecord } from '@rrweb/rrweb-plugin-canvas-webrtc-record';

const webRTCRecordPlugin = new RRWebPluginCanvasWebRTCRecord({
  signalSendCallback: (msg) => {
    // provides webrtc sdp offer signal & connect message
    // make sure you send this to the replayer's `webRTCReplayPlugin.signalReceive(signal)`
    sendSignalToReplayer(msg); // example of function that sends the signal to the replayer
  },
});

record({
  emit: (event) => {
    // send these events to the `replayer.addEvent(event)`, how you do that is up to you
    // you can send them to a server for example which can then send them to the replayer
    sendEventToReplayer(event); // example of function that sends the event to the replayer
  },
  plugins: [
    // add the plugin to the list of plugins, and initialize it via `.initPlugin()`
    webRTCRecordPlugin.initPlugin(),
  ],
  recordCanvas: false, // we don't want canvas recording turned on, we're going to do that via the plugin
});

Replay Side

// Replay side
import { Replayer } from '@rrweb/replay';
import { RRWebPluginCanvasWebRTCReplay } from '@rrweb/rrweb-plugin-canvas-webrtc-replay';

const webRTCReplayPlugin = new RRWebPluginCanvasWebRTCReplay({
  canvasFoundCallback(canvas, context) {
    console.log('canvas', canvas);
    // send the canvas id to `webRTCRecordPlugin.setupStream(id)`, how you do that is up to you
    // you can send them to a server for example which can then send them to the replayer
    sendCanvasIdToRecordScript(context.id); // example of function that sends the id to the record script
  },
  signalSendCallback(signal) {
    // provides webrtc sdp offer signal & connect message
    // make sure you send this to the record script's `webRTCRecordPlugin.signalReceive(signal)`
    sendSignalToRecordScript(signal); // example of function that sends the signal to the record script
  },
});

const replayer = new Replayer([], {
  UNSAFE_replayCanvas: true, // turn canvas replay on!
  liveMode: true, // live mode is needed to stream events to the replayer
  plugins: [webRTCReplayPlugin.initPlugin()],
});
replayer.startLive(); // start the replayer in live mode

replayer.addEvent(event); // call this whenever an event is received from the record script