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fix(web): correct childWithDescendant() functionality

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This fix allows for more granular address control when marshalling nodes
across WASM. This is necessary for node methods which accept another
node as a parameter (i.e., `childWithDescendant()`)

(cherry picked from commit 21390af2dd)
This commit is contained in:
Riley Bruins 2025-04-14 22:38:32 -07:00 • committed by Will Lillis
parent 62cc419262
commit 20a5d46b50
4 changed files with 30 additions and 10 deletions
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4
lib/binding_web/src/marshal.ts
View file

@ -34,8 +34,8 @@ export function unmarshalCaptures(
*
* Marshals a {@link Node} to the transfer buffer.
*/
export function marshalNode(node: Node) {
let address = TRANSFER_BUFFER;
export function marshalNode(node: Node, index = 0) {
let address = TRANSFER_BUFFER + index * SIZE_OF_NODE;
C.setValue(address, node.id, 'i32');
address += SIZE_OF_INT;
C.setValue(address, node.startIndex, 'i32');

2
lib/binding_web/src/node.ts
View file

@ -522,7 +522,7 @@ export class Node {
*/
childWithDescendant(descendant: Node): Node | null {
marshalNode(this);
marshalNode(descendant);
marshalNode(descendant, 1);
C._ts_node_child_with_descendant_wasm(this.tree[0]);
return unmarshalNode(this.tree);
}