Function checkIndexConstraintForIndexSignature

test/fixtures/snapshot/typescript.js:83863–83885

(type, checkInfo)

            }
        }
        function checkIndexConstraintForIndexSignature(type, checkInfo) {
            var declaration = checkInfo.declaration;
            var indexInfos = getApplicableIndexInfos(type, checkInfo.keyType);
            var interfaceDeclaration = ts.getObjectFlags(type) & 2 /* ObjectFlags.Interface */ ? ts.getDeclarationOfKind(type.symbol, 258 /* SyntaxKind.InterfaceDeclaration */) : undefined;
            var localCheckDeclaration = declaration && getParentOfSymbol(getSymbolOfNode(declaration)) === type.symbol ? declaration : undefined;
            var _loop_29 = function (info) {
                if (info === checkInfo)
                    return "continue";
                var localIndexDeclaration = info.declaration && getParentOfSymbol(getSymbolOfNode(info.declaration)) === type.symbol ? info.declaration : undefined;
                // We check only when (a) the check index signature is declared in the containing type, or (b) the applicable index
                // signature is declared in the containing type, or (c) the containing type is an interface and no base interface contains
                // both index signatures (i.e. the index signatures are declared in separate inherited interfaces).
                var errorNode = localCheckDeclaration || localIndexDeclaration ||
                    (interfaceDeclaration && !ts.some(getBaseTypes(type), function (base) { return !!getIndexInfoOfType(base, checkInfo.keyType) && !!getIndexTypeOfType(base, info.keyType); }) ? interfaceDeclaration : undefined);
                if (errorNode && !isTypeAssignableTo(checkInfo.type, info.type)) {
                    error(errorNode, ts.Diagnostics._0_index_type_1_is_not_assignable_to_2_index_type_3, typeToString(checkInfo.keyType), typeToString(checkInfo.type), typeToString(info.keyType), typeToString(info.type));
                }
            };
            for (var _i = 0, indexInfos_10 = indexInfos; _i < indexInfos_10.length; _i++) {
                var info = indexInfos_10[_i];
                _loop_29(info);
            }
        }
        function checkTypeNameIsReserved(name, message) {
            // TS 1.0 spec (April 2014): 3.6.1
            // The predefined type keywords are reserved and cannot be used as names of user defined types.