support manual canvas snapshotting (#108)

See highlight/highlight#6139
highlight · Jul 28, 2023 · 7d8da02 · 7d8da02
1 parent 1a07a00
commit 7d8da02
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Showing 3 changed files with 197 additions and 165 deletions.
diff --git a/packages/rrweb/src/record/index.ts b/packages/rrweb/src/record/index.ts
@@ -320,6 +320,7 @@ function record<T = eventWithTime>(
     blockSelector,
     mirror,
     sampling: sampling?.canvas?.fps,
+    samplingManual: sampling?.canvas?.fpsManual,
     clearWebGLBuffer: sampling?.canvas?.clearWebGLBuffer,
     initialSnapshotDelay: sampling?.canvas?.initialSnapshotDelay,
     dataURLOptions,
@@ -668,6 +669,13 @@ record.takeFullSnapshot = (isCheckout?: boolean) => {
   takeFullSnapshot(isCheckout);
 };
 
+record.snapshotCanvas = async (element: HTMLCanvasElement) => {
+  if (!canvasManager) {
+    throw new Error('canvas manager is not initialized');
+  }
+  await canvasManager.snapshot(element);
+};
+
 record.mirror = mirror;
 
 export default record;