jsdoc/test/specs/documentation/arrowfunction.js

describe('arrow functions', () => {
    const docSet = jsdoc.getDocSetFromFile('test/fixtures/arrowfunction.js');
    const increment = docSet.getByLongname('increment')[0];
    const print = docSet.getByLongname('print')[0];
    const name = docSet.getByLongname('<anonymous>#name');

    it('should use the correct name and longname', () => {
        expect(increment).toBeDefined();
        expect(increment.name).toBe('increment');
    });

    it('should allow function parameters to be documented', () => {
        expect(increment.params.length).toBe(1);
        expect(increment.params[0].name).toBe('n');
    });

    it('should support inline comments on parameters', () => {
        expect(print.params.length).toBe(1);
        expect(print.params[0].type.names[0]).toBe('*');
    });

    // TODO: we currently use the wrong longname in this case; see
    // `module:jsdoc/src/astnode.nodeToValue` and the comment on `case Syntax.MethodDefinition` for
    // details
    xit('should use the correct longname for members of a class returned by an arrow function',
        () => {
            expect(name.length).toBe(2);
        });
});