Use ts.getParseTreeNode before getSourceFile to handle transformer output #1010
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AST Nodes transformed with a TS transformer did not set the parent of the new or updated node, causing getSourceFile() to return undefined.
ts.getParseTreeNodewill try to look up the original node if no parent is available. If no 'original' node was found, it returns the node itself or undefined.I also ran a npm audit fix.