8000 fix: ensure parent pointers are correctly set for transformed nodes by ChouUn · Pull Request #1613 · TypeScriptToLua/TypeScriptToLua · GitHub
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fix: ensure parent pointers are correctly set for transformed nodes #1613

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fix: ensure parent pointers are correctly set for transformed nodes #1613

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11 changes: 6 additions & 5 deletions src/transformation/pre-transformers/using-transformer.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -10,21 +10,22 @@ export function usingTransformer(context: TransformationContext): ts.Transformer
if (hasUsings) {
// Recurse visitor into updated block to find further usings
const updatedBlock = ts.factory.updateBlock(node, newStatements);
const result = ts.visitEachChild(updatedBlock, visit, ctx);
const visitedBlock = ts.visitEachChild(updatedBlock, visit, ctx);

// Set all the synthetic node parents to something that makes sense
const parent: ts.Node[] = [updatedBlock];
const parent: ts.Node[] = [];
function setParent(node2: ts.Node): ts.Node {
ts.setParent(node2, parent[parent.length - 1]);
parent.push(node2);
ts.visitEachChild(node2, setParent, ctx);
parent.pop();
return node2;
}
ts.visitEachChild(updatedBlock, setParent, ctx);
ts.setParent(updatedBlock, node.parent);
parent.push(visitedBlock);
ts.visitEachChild(visitedBlock, setParent, ctx);
ts.setParent(visitedBlock, node.parent);

return result;
return visitedBlock;
}
}
return ts.visitEachChild(node, visit, ctx);
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