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How to use ByPromise method of rod Package
Best Rod code snippet using rod.ByPromise
page_eval.go
Source:page_eval.go 
...90func (e *EvalOptions) ByUser() *EvalOptions {91 e.UserGesture = true92 return e93}94// ByPromise enables AwaitPromise.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)...
dev_helpers.go
Source:dev_helpers.go
...99 top,100 width,101 height,102 msg,103 ).ByPromise())104 remove = func() {105 _, _ = p.root.Evaluate(evalHelper(js.RemoveOverlay, id))106 }107 return108}109func (p *Page) tryTrace(typ TraceType, msg ...interface{}) func() {110 if !p.browser.trace {111 return func() {}112 }113 msg = append([]interface{}{typ}, msg...)114 msg = append(msg, p)115 p.browser.logger.Println(msg...)116 return p.Overlay(0, 0, 500, 0, fmt.Sprint(msg))117}118func (p *Page) tryTraceQuery(opts *EvalOptions) func() {119 if !p.browser.trace {120 return func() {}121 }122 p.browser.logger.Println(TraceTypeQuery, opts, p)123 msg := fmt.Sprintf("<code>%s</code>", html.EscapeString(opts.String()))124 return p.Overlay(0, 0, 500, 0, msg)125}126func (p *Page) tryTraceReq(includes, excludes []string) func(map[proto.NetworkRequestID]string) {127 if !p.browser.trace {128 return func(map[proto.NetworkRequestID]string) {}129 }130 msg := map[string][]string{131 "includes": includes,132 "excludes": excludes,133 }134 p.browser.logger.Println(TraceTypeWaitRequestsIdle, msg, p)135 cleanup := p.Overlay(0, 0, 500, 0, utils.MustToJSON(msg))136 ch := make(chan map[string]string)137 update := func(list map[proto.NetworkRequestID]string) {138 clone := map[string]string{}139 for k, v := range list {140 clone[string(k)] = v141 }142 ch <- clone143 }144 go func() {145 var waitlist map[string]string146 t := time.NewTicker(time.Second)147 for {148 select {149 case <-p.ctx.Done():150 t.Stop()151 cleanup()152 return153 case waitlist = <-ch:154 case <-t.C:155 p.browser.logger.Println(TraceTypeWaitRequests, p, waitlist)156 }157 }158 }()159 return update160}161// Overlay msg on the element162func (el *Element) Overlay(msg string) (removeOverlay func()) {163 id := utils.RandString(8)164 _, _ = el.Evaluate(evalHelper(js.ElementOverlay,165 id,166 msg,167 ).ByPromise())168 removeOverlay = func() {169 _, _ = el.Evaluate(evalHelper(js.RemoveOverlay, id))170 }171 return172}173func (el *Element) tryTrace(typ TraceType, msg ...interface{}) func() {174 if !el.page.browser.trace {175 return func() {}176 }177 msg = append([]interface{}{typ}, msg...)178 msg = append(msg, el)179 el.page.browser.logger.Println(msg...)180 return el.Overlay(fmt.Sprint(msg))181}182func (m *Mouse) initMouseTracer() {183 _, _ = m.page.Evaluate(evalHelper(js.InitMouseTracer, m.id, assets.MousePointer).ByPromise())184}185func (m *Mouse) updateMouseTracer() bool {186 res, err := m.page.Evaluate(evalHelper(js.UpdateMouseTracer, m.id, m.x, m.y))187 if err != nil {188 return true189 }190 return res.Value.Bool()191}192// Serve a port, if host is empty a random port will be used.193func serve(host string) (string, *http.ServeMux, func() error) {194 if host == "" {195 host = "127.0.0.1:0"196 }197 mux := http.NewServeMux()...
ByPromise
Using AI Code Generation
1import (2func main() {3 browser := rod.New().Connect()4 page := browser.Page("")5 page.WaitLoad()6 title := page.Eval(`document.title`).String()7 fmt.Println(title)8 url := page.Eval(`location.href`).String()9 fmt.Println(url)10 links := page.Eval(`document.querySelectorAll('a')`).Object()11 fmt.Println(links)12 linkText := page.Eval(`document.querySelector('a').innerText`).String()13 fmt.Println(linkText)14 linkHref := page.Eval(`document.querySelector('a').href`).String()15 fmt.Println(linkHref)16 linkInnerHTML := page.Eval(`document.querySelector('a').innerHTML`).String()17 fmt.Println(linkInnerHTML)18 linkOuterHTML := page.Eval(`document.querySelector('a').outerHTML`).String()19 fmt.Println(linkOuterHTML)20 cookies := page.Eval(`document.cookie`).String()21 fmt.Println(cookies)22 html := page.Eval(`document.documentElement.outerHTML`).String()23 fmt.Println(html)24 text := page.Eval(`document.documentElement.textContent`).String()25 fmt.Println(text)26 text2 := page.Eval(`
ByPromise
Using AI Code Generation
1import (2func main() {3 browser := rod.New().MustConnect()4 page.MustElement("input[name=q]").MustInput("rod")5 page.MustElement("input[name=q]").MustPress(proto.InputKeyEventEnter)6 page.MustScreenshot("2.png")7}8import (9func main() {10 browser := rod.New().MustConnect()11 page.MustElement("input[name=q]").MustInput("rod")12 page.MustElement("input[name=q]").MustPress(proto.InputKeyEventEnter)13 page.MustScreenshot("3.png")14}15import (16func main() {17 browser := rod.New().MustConnect()18 page.MustElement("input[name=q]").MustInput("rod")19 page.MustElement("input[name=q]").MustPress(proto.InputKeyEventEnter)20 page.MustScreenshot("4.png")21}22import (23func main() {24 browser := rod.New().MustConnect()25 page.MustElement("input[name=q]").MustInput("rod")26 page.MustElement("input[name=q]").MustPress(proto.InputKeyEventEnter)27 page.MustScreenshot("5.png")28}29import (30func main() {31 browser := rod.New().MustConnect()32 page.MustElement("input[name=q]").MustInput("rod")33 page.MustElement("input[name=q]").MustPress(proto.InputKeyEventEnter
ByPromise
Using AI Code Generation
1import (2func main() {3 Devtools(false)4 defer l.Cleanup()5 browser := rod.New().ControlURL(l.MustLaunch()).MustConnect()6 defer browser.MustClose()7 page.MustElement("input[name=q]").MustInput("rod").MustPress(rod.Enter)8 page.MustWaitLoad()9 fmt.Println(page.MustEval("document.title").String())10}11import (12func main() {13 Devtools(false)14 defer l.Cleanup()15 browser := rod.New().ControlURL(l.MustLaunch()).MustConnect()16 defer browser.MustClose()17 page.MustElement("input[name=q]").MustInput("rod").MustPress(rod.Enter)18 page.MustWaitLoad()19 fmt.Println(page.MustEval("document.title").String())20}21import (22func main() {23 Devtools(false)24 defer l.Cleanup()25 browser := rod.New().ControlURL(l.MustLaunch()).MustConnect()26 defer browser.MustClose()27 page.MustElement("input[name=q]").MustInput("rod").MustPress(rod.Enter)28 page.MustWaitLoad()29 fmt.Println(page.MustEval("document.title").String())30}31import (32func main() {33 Devtools(false)34 defer l.Cleanup()35 browser := rod.New().ControlURL(l.MustLaunch()).MustConnect()
ByPromise
Using AI Code Generation
1import (2func main() {3 browser := rod.New().Connect()4 page := browser.Page("")5 page.Element("input[name='q']").Input("rod")6 page.Keyboard.Press("Enter")7 page.WaitLoad()8 page.Element("div.g").ByPromise().Eval(`this.textContent`).String()9}10import (11func main() {12 browser := rod.New().Connect()13 page := browser.Page("")14 page.Element("input[name='q']").Input("rod")15 page.Keyboard.Press("Enter")16 page.WaitLoad()17 page.Element("div.g").ByEval(`this.textContent`).String()18}19import (20func main() {21 browser := rod.New().Connect()22 page := browser.Page("")23 page.Element("input[name='q']").Input("rod")24 page.Keyboard.Press("Enter")25 page.WaitLoad()26 page.Element("div.g").ByJS().String()27}28import (29func main() {30 browser := rod.New().Connect()31 page := browser.Page("")32 page.Element("input[name='q']").Input("rod")33 page.Keyboard.Press("Enter")34 page.WaitLoad()35 page.Element("div.g").ByJSHandle().String()36}37import (38func main() {39 browser := rod.New().Connect()40 page := browser.Page("")41 page.Element("input[name='q']").Input("rod")
ByPromise
Using AI Code Generation
1import (2func main() {3 browser := rod.New().Connect()4 page.WaitLoad()5 page.Element("#lst-ib").Input("rod").Press("enter")6 page.WaitLoad()7 el := page.MustElement("h3 a")8 fmt.Println(el.MustProperty("href"))9 fmt.Println(el.MustText())10 utils.Sleep(5)11 browser.Close()12}
ByPromise
Using AI Code Generation
1import (2func main() {3 browser := rod.New().MustConnect()4 page.MustWaitLoad()5 page.MustElement("#lst-ib").MustInput("Hello World")6 page.MustElement("#tsf > div.tsf-p > div.jsb > center > input[type=\"submit\"]:nth-child(1)").MustClick()7 page.MustWaitLoad()8 fmt.Println(page.MustTitle())9 browser.MustClose()10}11import (12func main() {13 browser := rod.New().MustConnect()14 page.MustWaitLoad()15 page.MustElement("#lst-ib").MustInput("Hello World")16 page.MustElement("#tsf > div.tsf-p > div.jsb > center > input[type=\"submit\"]:nth-child(1)").MustClick()17 page.MustWaitLoad()18 fmt.Println(page.MustTitle())19 browser.MustClose()20}21import (22func main() {23 browser := rod.New().MustConnect()24 page.MustWaitLoad()
ByPromise
Using AI Code Generation
1import (2func main() {3 browser := rod.New().MustConnect()4 data := page.MustEvaluate(`() => {5 }`).Object()6 name := data.MustGet("0").Get("name").String()7 println(name)8 browser.MustClose()9}10import (11func main() {12 browser := rod.New().MustConnect()13 data := page.MustEvaluate(`() => {14 }`).Object()15 name := data.MustGet("0").Get("name").String()16 println(name)17 browser.MustClose()18}19import (20func main() {21 browser := rod.New().MustConnect()22 data := page.MustEvaluate(`() => {23 }`).Object()24 name := data.MustGet("0").Get("name").String()25 println(name)26 browser.MustClose()27}28import (
ByPromise
Using AI Code Generation
1import (2func main() {3 flag.Parse()4 url := flag.Arg(0)5 page := rod.New().MustConnect().MustPage(url)6 title := page.MustTitle()7 fmt.Println(title)8}9import (10func main() {11 flag.Parse()12 url := flag.Arg(0)13 page := rod.New().MustConnect().MustPage(url)14 title := page.MustEval(`document.title`).String()15 fmt.Println(title)16}17import (18func main() {19 flag.Parse()20 url := flag.Arg(0)21 page := rod.New().MustConnect().MustPage(url)22 title := page.MustEval(`document.title`).String()23 fmt.Println(title)24}25import (26func main() {27 flag.Parse()28 url := flag.Arg(0)29 page := rod.New().MustConnect().MustPage(url)30 title := page.MustWaitLoad().MustTitle()31 fmt.Println(title)32}33import (34func main() {35 flag.Parse()36 url := flag.Arg(0)37 page := rod.New().MustConnect().MustPage(url)
ByPromise
Using AI Code Generation
1import (2func main() {3 browser := rod.NewBrowser()4 page := browser.NewPage()5 page.WaitLoad()6 page.Screenshot(os.Stdout)7}8import (9func main() {10 browser := rod.NewBrowser()11 page := browser.NewPage()12 page.WaitLoad()13 page.Screenshot(os.Stdout)14}15import (16func main() {17 browser := rod.NewBrowser()18 page := browser.NewPage()19 page.WaitLoad()20 page.Screenshot(os.Stdout)21}22import (23func main() {24 browser := rod.NewBrowser()25 page := browser.NewPage()26 page.WaitLoad()27 page.Screenshot(os.Stdout)28}
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Most used method in
- new
- Incognito
- ControlURL
- SlowMotion
- Trace
- Monitor
- Logger
- Client
- DefaultDevice
- NoDefaultDevice
- Connect
- Close
- Page
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- Call
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- EachEvent
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- Event
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- pageInfo
- IgnoreCertErrors
- GetCookies
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- String
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- trySlowmotion
- ExposeHelpers
- Overlay
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- tryTraceQuery
- tryTraceReq
- initMouseTracer
- updateMouseTracer
- serve
- GetSessionID
- Focus
- ScrollIntoView
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- Click
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- Shape
- Type
- KeyActions
- SelectText
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- Input
- InputTime
- Blur
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- Matches
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- Property
- SetFiles
- Describe
- ShadowRoot
- Frame
- ContainsElement
- Text
- HTML
- Visible
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- CanvasToImage
- Resource
- BackgroundImage
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- Release
- Remove
- Eval
- evaluate
- Equal
- id
- GetXPath
- Error
- Is
- Unwrap
- NotFoundSleeper
- HijackRequests
- newHijackRouter
- Add
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- ContinueRequest
- LoadResponse
- Method
- URL
- Header
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- Body
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- IsNavigation
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- newKeyboard
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- genE
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- MustNavigateBack
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- MustScreenshot
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- MustPDF
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- MustWaitIdle
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- MustAddScriptTag
- MustAddStyleTag
- MustEvalOnNewDocument
- MustExpose
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- MustRelease
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- MustHasR
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- MustElementR
- MustElementX
- MustElementByJS
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- MustElementsByJS
- MustHandle
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- MustStart
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- MustTap
- MustDescribe
- MustShadowRoot
- MustFrame
- MustFocus
- MustScrollIntoView
- MustHover
- MustDoubleClick
- MustInteractable
- MustWaitInteractable
- MustKeyActions
- MustSelectText
- MustSelectAllText
- MustInput
- MustInputTime
- MustBlur
- MustSelect
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- MustWaitInvisible
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- MustWaitWritable
- MustShape
- MustCanvasToImage
- MustResource
- MustBackgroundImage
- MustRemove
- MustParent
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- MustNext
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- MustStop
- MustLoadResponse
- MustEqual
- MustMoveMouseOut
- MustGetXPath
- IsIframe
- Browser
- Info
- Cookies
- SetExtraHeaders
- SetUserAgent
- Navigate
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- Reload
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- getWindowID
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- SetWindow
- SetViewport
- SetDocumentContent
- Emulate
- StopLoading
- HandleDialog
- HandleFileDialog
- GetResource
- WaitOpen
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- WaitRequestIdle
- WaitIdle
- WaitRepaint
- AddScriptTag
- AddStyleTag
- EvalOnNewDocument
- WaitElementsMoreThan
- ObjectToJSON
- ElementFromObject
- ElementFromNode
- ElementFromPoint
- evalHelper
- This
- ByObject
- ByUser
- ByPromise
- formatToJSFunc
- Expose
- formatArgs
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- setHelper
- getJSCtxID
- unsetJSCtxID
- jsCtxIDByObjectID
- First
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- Find
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- HasR
- Element
- ElementR
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- ElementByJS
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- cachePage
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- Load
- NewPagePool
- Put
- Cleanup
- NewBrowserPool
- NewStreamReader
- Read
- Try
- genRegMatcher
- saveFile
- httHTML
- mustToJSONForDev
- parseDataURI
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