Fix implied constraints in conditional types#22989
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| function getConstrainedTypeVariable(typeVariable: TypeVariable, node: Node) { | ||
| let constraints: Type[]; | ||
| while (isPartOfTypeNode(node)) { | ||
| while (node && !isStatement(node)) { |
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Is isExpression preferable to isStatement here?
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No, there might not be an enclosing expression anywhere in the parent chain.
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We could additionally check for !isExpression(node) but it isn't really necessary, we'll eventually hit a statement (which could be a declaration statement) or the very top node.
mhegazy
approved these changes
Mar 29, 2018
RyanCavanaugh
approved these changes
Mar 29, 2018
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Fixes #22985.