Function getModuleInstanceStateWorker

test/fixtures/snapshot/typescript.js:44560–44631

(node, visited)

        return result;
    }
    function getModuleInstanceStateWorker(node, visited) {
        // A module is uninstantiated if it contains only
        switch (node.kind) {
            // 1. interface declarations, type alias declarations
            case 258 /* SyntaxKind.InterfaceDeclaration */:
            case 259 /* SyntaxKind.TypeAliasDeclaration */:
                return 0 /* ModuleInstanceState.NonInstantiated */;
            // 2. const enum declarations
            case 260 /* SyntaxKind.EnumDeclaration */:
                if (ts.isEnumConst(node)) {
                    return 2 /* ModuleInstanceState.ConstEnumOnly */;
                }
                break;
            // 3. non-exported import declarations
            case 266 /* SyntaxKind.ImportDeclaration */:
            case 265 /* SyntaxKind.ImportEqualsDeclaration */:
                if (!(ts.hasSyntacticModifier(node, 1 /* ModifierFlags.Export */))) {
                    return 0 /* ModuleInstanceState.NonInstantiated */;
                }
                break;
            // 4. Export alias declarations pointing at only uninstantiated modules or things uninstantiated modules contain
            case 272 /* SyntaxKind.ExportDeclaration */:
                var exportDeclaration = node;
                if (!exportDeclaration.moduleSpecifier && exportDeclaration.exportClause && exportDeclaration.exportClause.kind === 273 /* SyntaxKind.NamedExports */) {
                    var state = 0 /* ModuleInstanceState.NonInstantiated */;
                    for (var _i = 0, _a = exportDeclaration.exportClause.elements; _i < _a.length; _i++) {
                        var specifier = _a[_i];
                        var specifierState = getModuleInstanceStateForAliasTarget(specifier, visited);
                        if (specifierState > state) {
                            state = specifierState;
                        }
                        if (state === 1 /* ModuleInstanceState.Instantiated */) {
                            return state;
                        }
                    }
                    return state;
                }
                break;
            // 5. other uninstantiated module declarations.
            case 262 /* SyntaxKind.ModuleBlock */: {
                var state_1 = 0 /* ModuleInstanceState.NonInstantiated */;
                ts.forEachChild(node, function (n) {
                    var childState = getModuleInstanceStateCached(n, visited);
                    switch (childState) {
                        case 0 /* ModuleInstanceState.NonInstantiated */:
                            // child is non-instantiated - continue searching
                            return;
                        case 2 /* ModuleInstanceState.ConstEnumOnly */:
                            // child is const enum only - record state and continue searching
                            state_1 = 2 /* ModuleInstanceState.ConstEnumOnly */;
                            return;
                        case 1 /* ModuleInstanceState.Instantiated */:
                            // child is instantiated - record state and stop
                            state_1 = 1 /* ModuleInstanceState.Instantiated */;
                            return true;
                        default:
                            ts.Debug.assertNever(childState);
                    }