Function getBaseConstraintOrType

test/fixtures/snapshot/typescript.js:58942–58944

* This is similar to `getBaseConstraintOfType` except it returns the input type if there's no base constraint, instead of `undefined` * It also doesn't map indexes to `string`, as where this is used this would be unneeded (and likely undesirable)

(type)

         * It also doesn't map indexes to `string`, as where this is used this would be unneeded (and likely undesirable)
         */
        function getBaseConstraintOrType(type) {
            return getBaseConstraintOfType(type) || type;
        }
        function hasNonCircularBaseConstraint(type) {
            return getResolvedBaseConstraint(type) !== circularConstraintType;
        }