How to use formatToJSFunc method of rod Package

Best Rod code snippet using rod.formatToJSFunc

page_eval.go

Source:page_eval.go

...95func (e *EvalOptions) ByPromise() *EvalOptions {96	e.AwaitPromise = true97	return e98}99func (e *EvalOptions) formatToJSFunc() string {100	js := strings.TrimSpace(e.JS)101	if detectJSFunction(js) {102		return fmt.Sprintf(`function() { return (%s).apply(this, arguments) }`, js)103	}104	return fmt.Sprintf(`function() { return %s }`, js)105}106// Eval is just a shortcut for Page.Evaluate with AwaitPromise set true.107func (p *Page) Eval(js string, jsArgs ...interface{}) (*proto.RuntimeRemoteObject, error) {108	return p.Evaluate(Eval(js, jsArgs...).ByPromise())109}110// Evaluate js on the page.111func (p *Page) Evaluate(opts *EvalOptions) (res *proto.RuntimeRemoteObject, err error) {112	var backoff utils.Sleeper113	// js context will be invalid if a frame is reloaded or not ready, then the isNilContextErr114	// will be true, then we retry the eval again.115	for {116		res, err = p.evaluate(opts)117		if err != nil && errors.Is(err, cdp.ErrCtxNotFound) {118			if opts.ThisObj != nil {119				return nil, &ErrObjectNotFound{opts.ThisObj}120			}121			if backoff == nil {122				backoff = utils.BackoffSleeper(30*time.Millisecond, 3*time.Second, nil)123			} else {124				_ = backoff(p.ctx)125			}126			p.unsetJSCtxID()127			continue128		}129		return130	}131}132func (p *Page) evaluate(opts *EvalOptions) (*proto.RuntimeRemoteObject, error) {133	args, err := p.formatArgs(opts)134	if err != nil {135		return nil, err136	}137	req := proto.RuntimeCallFunctionOn{138		AwaitPromise:        opts.AwaitPromise,139		ReturnByValue:       opts.ByValue,140		UserGesture:         opts.UserGesture,141		FunctionDeclaration: opts.formatToJSFunc(),142		Arguments:           args,143	}144	if opts.ThisObj == nil {145		req.ObjectID, err = p.getJSCtxID()146		if err != nil {147			return nil, err148		}149	} else {150		req.ObjectID = opts.ThisObj.ObjectID151	}152	res, err := req.Call(p)153	if err != nil {154		return nil, err155	}...

formatToJSFunc

Using AI Code Generation

1import (2func main() {3	browser := rod.New().Connect()4	page := browser.Page("")5	page.Eval(`document.querySelector('input[name="q"]').value="rod"`)6	page.Keyboard.Press("Enter")7	page.WaitLoad()8	fmt.Println(page.MustElement("h3").MustText())9}10import (11func main() {12	browser := rod.New().Connect()13	page := browser.Page("")14	page.Eval(`document.querySelector('input[name="q"]').value="rod"`)15	page.Keyboard.Press("Enter")16	page.WaitLoad()17	fmt.Println(page.MustElement("h3").MustText())18}19import (20func main() {21	browser := rod.New().Connect()22	page := browser.Page("")23	page.Eval(`document.querySelector('input[name="q"]').value="rod"`)24	page.Keyboard.Press("Enter")25	page.WaitLoad()26	fmt.Println(page.MustElement("h3").MustText())27}28import (29func main() {30	browser := rod.New().Connect()31	page := browser.Page("")32	page.Eval(`document.querySelector('input[name="q"]').value="rod"`)33	page.Keyboard.Press("Enter")34	page.WaitLoad()35	fmt.Println(page.MustElement("h3").MustText())36}37import (38func main() {39	browser := rod.New().Connect()40	page := browser.Page("")41	page.Eval(`document.querySelector('input[name="q"]').value="rod"`)42	page.Keyboard.Press("Enter")43	page.WaitLoad()44	fmt.Println(page.MustElement("

formatToJSFunc

Using AI Code Generation

1import (2func main() {3	fmt.Println(runtime.GOOS)4	fmt.Println(runtime.GOARCH)5}6import (7func main() {8	fmt.Println(runtime.GOOS)9	fmt.Println(runtime.GOARCH)10}

formatToJSFunc

Using AI Code Generation

1import (2func main() {3	browser := rod.New().MustConnect()4	title := page.MustEval(`() => document.title`).String()5	fmt.Println(title)6	title = page.MustEval(`() => document.title`).String()7	fmt.Println(title)8	title = page.MustEval(`() => document.title`).String()9	fmt.Println(title)10	title = page.MustEval(`() => document.title`).String()11	fmt.Println(title)12}13import (14func main() {15	browser := rod.New().MustConnect()16	title := page.MustEval(`() => document.title`).String()17	fmt.Println(title)18	title = page.MustEval(`() => document.title`).String()19	fmt.Println(title)20	title = page.MustEval(`() => document.title`).String()21	fmt.Println(title)22	title = page.MustEval(`() => document.title`).String()23	fmt.Println(title)24	title = page.MustEval(`() => document.title`).String()25	fmt.Println(title)26}27import (28func main() {29	browser := rod.New().MustConnect()30	title := page.MustEval(`() => document.title`).String()31	fmt.Println(title)32	title = page.MustEval(`() => document.title`).String()33	fmt.Println(title)

formatToJSFunc

Using AI Code Generation

1func main() {2    r := rod.New()3    d := date.New()4    r.JS = d.FormatToJSFunc()5    r.JS()6}7func main() {8    r := rod.New()9    d := date.New()10    r.JS = d.FormatToJSFunc()11    r.JS()12}13func main() {14    r := rod.New()15    d := date.New()16    r.JS = d.FormatToJSFunc()17    r.JS()18}19func main() {20    r := rod.New()21    d := date.New()22    r.JS = d.FormatToJSFunc()

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