Function IsDeprecatedDeclarationWithCachedFlags

internal/ast/utilities.go:1223–1235

IsDeprecatedDeclarationWithCachedFlags is the core logic for IsDeprecatedDeclaration, parameterized on pre-computed combined flags so the checker can supply cached flags.

(declaration *Node, combinedFlags NodeFlags)

// IsDeprecatedDeclarationWithCachedFlags is the core logic for IsDeprecatedDeclaration,
// parameterized on pre-computed combined flags so the checker can supply cached flags.
func IsDeprecatedDeclarationWithCachedFlags(declaration *Node, combinedFlags NodeFlags) bool {
	if combinedFlags&NodeFlagsPossiblyContainsDeprecatedTag == 0 {
		return false
	}
	// Walk up to find the node that directly has the flag, since JSDoc is
	// attached to that node (e.g. VariableStatement, not VariableDeclaration).
	for n := declaration; n != nil; n = n.Parent {
		if n.Flags&NodeFlagsPossiblyContainsDeprecatedTag != 0 {
			return GetJSDocDeprecatedTag(n) != nil
		}
	}
	return false
}

// Gets whether a bound `VariableDeclaration` or `VariableDeclarationList` is part of a `const` declaration.
func IsVarConst(node *Node) bool {