Function getConstraintFromIndexedAccess

test/fixtures/snapshot/typescript.js:58830–58848

(type)

            return simplified !== type ? simplified : getConstraintOfType(type);
        }
        function getConstraintFromIndexedAccess(type) {
            if (isMappedTypeGenericIndexedAccess(type)) {
                // For indexed access types of the form { [P in K]: E }[X], where K is non-generic and X is generic,
                // we substitute an instantiation of E where P is replaced with X.
                return substituteIndexedMappedType(type.objectType, type.indexType);
            }
            var indexConstraint = getSimplifiedTypeOrConstraint(type.indexType);
            if (indexConstraint && indexConstraint !== type.indexType) {
                var indexedAccess = getIndexedAccessTypeOrUndefined(type.objectType, indexConstraint, type.accessFlags);
                if (indexedAccess) {
                    return indexedAccess;
                }
            }
            var objectConstraint = getSimplifiedTypeOrConstraint(type.objectType);
            if (objectConstraint && objectConstraint !== type.objectType) {
                return getIndexedAccessTypeOrUndefined(objectConstraint, type.indexType, type.accessFlags);
            }
            return undefined;
        }
        function getDefaultConstraintOfConditionalType(type) {
            if (!type.resolvedDefaultConstraint) {
                // An `any` branch of a conditional type would normally be viral - specifically, without special handling here,