Function tryGetModuleNameFromAmbientModule

test/fixtures/snapshot/typescript.js:122336–122380

(moduleSymbol, checker)

            return sortedPaths;
        }
        function tryGetModuleNameFromAmbientModule(moduleSymbol, checker) {
            var _a;
            var decl = (_a = moduleSymbol.declarations) === null || _a === void 0 ? void 0 : _a.find(function (d) { return ts.isNonGlobalAmbientModule(d) && (!ts.isExternalModuleAugmentation(d) || !ts.isExternalModuleNameRelative(ts.getTextOfIdentifierOrLiteral(d.name))); });
            if (decl) {
                return decl.name.text;
            }
            // the module could be a namespace, which is export through "export=" from an ambient module.
            /**
             * declare module "m" {
             *     namespace ns {
             *         class c {}
             *     }
             *     export = ns;
             * }
             */
            // `import {c} from "m";` is valid, in which case, `moduleSymbol` is "ns", but the module name should be "m"
            var ambientModuleDeclareCandidates = ts.mapDefined(moduleSymbol.declarations, function (d) {
                var _a, _b, _c, _d;
                if (!ts.isModuleDeclaration(d))
                    return;
                var topNamespace = getTopNamespace(d);
                if (!(((_a = topNamespace === null || topNamespace === void 0 ? void 0 : topNamespace.parent) === null || _a === void 0 ? void 0 : _a.parent)
                    && ts.isModuleBlock(topNamespace.parent) && ts.isAmbientModule(topNamespace.parent.parent) && ts.isSourceFile(topNamespace.parent.parent.parent)))
                    return;
                var exportAssignment = (_d = (_c = (_b = topNamespace.parent.parent.symbol.exports) === null || _b === void 0 ? void 0 : _b.get("export=")) === null || _c === void 0 ? void 0 : _c.valueDeclaration) === null || _d === void 0 ? void 0 : _d.expression;
                if (!exportAssignment)
                    return;
                var exportSymbol = checker.getSymbolAtLocation(exportAssignment);
                if (!exportSymbol)
                    return;
                var originalExportSymbol = (exportSymbol === null || exportSymbol === void 0 ? void 0 : exportSymbol.flags) & 2097152 /* SymbolFlags.Alias */ ? checker.getAliasedSymbol(exportSymbol) : exportSymbol;
                if (originalExportSymbol === d.symbol)
                    return topNamespace.parent.parent;
                function getTopNamespace(namespaceDeclaration) {
                    while (namespaceDeclaration.flags & 4 /* NodeFlags.NestedNamespace */) {
                        namespaceDeclaration = namespaceDeclaration.parent;
                    }
                    return namespaceDeclaration;
                }
            });
            var ambientModuleDeclare = ambientModuleDeclareCandidates[0];
            if (ambientModuleDeclare) {
                return ambientModuleDeclare.name.text;
            }
        }
        function tryGetModuleNameFromPaths(relativeToBaseUrlWithIndex, relativeToBaseUrl, paths) {
            for (var key in paths) {
                for (var _i = 0, _a = paths[key]; _i < _a.length; _i++) {