Function symbolCanBeReferencedAtTypeLocation

test/fixtures/snapshot/typescript.js:135464–135474

True if symbol is a type or a module containing at least one type.

(symbol, checker, seenModules)

        ;
        /** True if symbol is a type or a module containing at least one type. */
        function symbolCanBeReferencedAtTypeLocation(symbol, checker, seenModules) {
            if (seenModules === void 0) { seenModules = new ts.Map(); }
            // Since an alias can be merged with a local declaration, we need to test both the alias and its target.
            // This code used to just test the result of `skipAlias`, but that would ignore any locally introduced meanings.
            return nonAliasCanBeReferencedAtTypeLocation(symbol) || nonAliasCanBeReferencedAtTypeLocation(ts.skipAlias(symbol.exportSymbol || symbol, checker));
            function nonAliasCanBeReferencedAtTypeLocation(symbol) {
                return !!(symbol.flags & 788968 /* SymbolFlags.Type */) || checker.isUnknownSymbol(symbol) ||
                    !!(symbol.flags & 1536 /* SymbolFlags.Module */) && ts.addToSeen(seenModules, ts.getSymbolId(symbol)) &&
                        checker.getExportsOfModule(symbol).some(function (e) { return symbolCanBeReferencedAtTypeLocation(e, checker, seenModules); });
            }
        }
        function isDeprecated(symbol, checker) {
            var declarations = ts.skipAlias(symbol, checker).declarations;
            return !!ts.length(declarations) && ts.every(declarations, ts.isDeprecatedDeclaration);