Function findSpanEnd

test/fixtures/snapshot/typescript.js:27076–27082

(array, test, start)

            return ts.singleOrUndefined(nodes) || createBlock(nodes);
        }
        function findSpanEnd(array, test, start) {
            var i = start;
            while (i < array.length && test(array[i])) {
                i++;
            }
            return i;
        }
        function mergeLexicalEnvironment(statements, declarations) {
            if (!ts.some(declarations)) {
                return statements;