Function createTypeEraser

test/fixtures/snapshot/typescript.js:63315–63317

(sources)

            return { kind: kind, mapper1: mapper1, mapper2: mapper2 };
        }
        function createTypeEraser(sources) {
            return createTypeMapper(sources, /*targets*/ undefined);
        }
        /**
         * Maps forward-references to later types parameters to the empty object type.
         * This is used during inference when instantiating type parameter defaults.