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groupBranchesByTypeof()

groupBranchesByTypeof(branches): Map<string, number[]>

Experimental

Groups union branches by their typeof check for optimization. Primitive unions like string | number can use a single typeof check.

Parameters​

branches: UnionBranchMeta[]​

Union branches to analyze

Returns: Map<string, number[]>​

Map of typeof values to branch indices

Since​

2.0.0