How to use the resolve function in resolve

it(`should make ${name} require\'able`, (done) => {
				resolve(name, {basedir: cwd}, (err, res) => {
					assert.ifError(err)
					assert.notEqual(res.indexOf(cwd), -1)
					require(res)
					done()
				})
			})
		})

it(`should make ${target} require\'able`, (done) => {
				resolve(target, {basedir: cwd}, (err, res) => {
					assert.ifError(err)
					assert.notEqual(res.indexOf(cwd), -1)
					require(res)
					done()
				})
			})
		})

new Promise((fulfil, reject) =>
    resolveId(file, opts, (err, contents) => (err ? reject(err) : fulfil(contents)))
  );

return new Promise((resolve, reject) =>
    resolveAsync(name, options, (err, result) => {
      if (err) {
        reject(err);
      } else {
        resolve(result);
      }
    })
  );

const resolveIdAsync = (file, opts) => new Promise((fulfil, reject) => resolveId(file, opts, (err, contents) => err ? reject(err) : fulfil(contents)));

return new Promise((resolve, reject) => {
    requireResolve(request, options, (err, result) => {
      if (err) {
        reject(err);
      } else {
        resolve(result);
      }
    });
  });
}

return new Promise((resolve, reject) => {
    resolveBase(packageName, {basedir: baseDirectory}, (err, resolution) => {
      if (err) {
        reject(err);
      } else {
        resolve(resolution);
      }
    });
  });
}

return new Promise((resolve, reject) =>
    nodeResolveWithCallback(importPath, options, (error, result) => {
      if (error) {
        reject(error);
      } else {
        resolve(result);
      }
    }),
  );