Function getBaseConstraint

test/fixtures/snapshot/typescript.js:58993–58996

(t)

                return t.immediateBaseConstraint;
            }
            function getBaseConstraint(t) {
                var c = getImmediateBaseConstraint(t);
                return c !== noConstraintType && c !== circularConstraintType ? c : undefined;
            }
            function computeBaseConstraint(t) {
                if (t.flags & 262144 /* TypeFlags.TypeParameter */) {
                    var constraint = getConstraintFromTypeParameter(t);