Function getModuleInstanceStateWorker

internal/ast/utilities.go:2333–2385

(node *Node, ancestors []*Node, visited map[NodeId]ModuleInstanceState)

}

func getModuleInstanceStateWorker(node *Node, ancestors []*Node, visited map[NodeId]ModuleInstanceState) ModuleInstanceState {
	// A module is uninstantiated if it contains only
	switch node.Kind {
	case KindInterfaceDeclaration, KindTypeAliasDeclaration, KindJSTypeAliasDeclaration:
		return ModuleInstanceStateNonInstantiated
	case KindEnumDeclaration:
		if IsEnumConst(node) {
			return ModuleInstanceStateConstEnumOnly
		}
	case KindImportDeclaration, KindJSImportDeclaration, KindImportEqualsDeclaration:
		if !HasSyntacticModifier(node, ModifierFlagsExport) {
			return ModuleInstanceStateNonInstantiated
		}
	case KindExportDeclaration:
		decl := node.AsExportDeclaration()
		if decl.ModuleSpecifier == nil && decl.ExportClause != nil && decl.ExportClause.Kind == KindNamedExports {
			state := ModuleInstanceStateNonInstantiated
			ancestors = pushAncestor(ancestors, node)
			ancestors = pushAncestor(ancestors, decl.ExportClause)
			for _, specifier := range decl.ExportClause.Elements() {
				specifierState := getModuleInstanceStateForAliasTarget(specifier, ancestors, visited)
				if specifierState > state {
					state = specifierState
				}
				if state == ModuleInstanceStateInstantiated {
					return state
				}
			}
			return state
		}
	case KindModuleBlock:
		state := ModuleInstanceStateNonInstantiated
		ancestors = pushAncestor(ancestors, node)
		node.ForEachChild(func(n *Node) bool {
			childState := getModuleInstanceStateCached(n, ancestors, visited)
			switch childState {
			case ModuleInstanceStateNonInstantiated:
				return false
			case ModuleInstanceStateConstEnumOnly:
				state = ModuleInstanceStateConstEnumOnly
				return false
			case ModuleInstanceStateInstantiated:
				state = ModuleInstanceStateInstantiated
				return true
			}
			panic("Unhandled case in getModuleInstanceStateWorker")
		})
		return state
	case KindModuleDeclaration:
		return getModuleInstanceState(node, ancestors, visited)
	}
	return ModuleInstanceStateInstantiated
}

func getModuleInstanceStateForAliasTarget(node *Node, ancestors []*Node, visited map[NodeId]ModuleInstanceState) ModuleInstanceState {
	name := node.PropertyNameOrName()