CodeQL library for JavaScript/TypeScript
codeql/javascript-all 0.8.12 (changelog, source)
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Member predicate StringOps::ConcatenationNode::getPreviousLeaf

Gets the leaf that is occurs immediately before this leaf in the concatenation tree, if any.

For example, y is the previous leaf from z in x + y + z.

ConcatenationLeaf getPreviousLeaf()