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refactor: Make InsertionMarkerPreviewer's block serialization amenable to subclassing. (#9282)

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This commit is contained in:
Aaron Dodson
2025-08-06 12:45:17 -07:00
committed by GitHub
parent 44e78b1456
commit af57a3eaa3
1 changed files with 17 additions and 3 deletions
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20
core/insertion_marker_previewer.ts
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@@ -150,8 +150,17 @@ export class InsertionMarkerPreviewer implements IConnectionPreviewer {
return markerConn;
}
private createInsertionMarker(origBlock: BlockSvg) {
const blockJson = blocks.save(origBlock, {
/**
* Transforms the given block into a JSON representation used to construct an
* insertion marker.
*
* @param block The block to serialize and use as an insertion marker.
* @returns A JSON-formatted string corresponding to a serialized
* representation of the given block suitable for use as an insertion
* marker.
*/
protected serializeBlockToInsertionMarker(block: BlockSvg) {
const blockJson = blocks.save(block, {
addCoordinates: false,
addInputBlocks: false,
addNextBlocks: false,
@@ -160,10 +169,15 @@ export class InsertionMarkerPreviewer implements IConnectionPreviewer {
if (!blockJson) {
throw new Error(
`Failed to serialize source block. ${origBlock.toDevString()}`,
`Failed to serialize source block. ${block.toDevString()}`,
);
}
return blockJson;
}
private createInsertionMarker(origBlock: BlockSvg) {
const blockJson = this.serializeBlockToInsertionMarker(origBlock);
const result = blocks.append(blockJson, this.workspace) as BlockSvg;
// Turn shadow blocks that are created programmatically during