How to use WaitWritable method of rod Package

Best Rod code snippet using rod.WaitWritable

element.go

Source:element.go Github

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...215 err = el.WaitEnabled()216 if err != nil {217 return err218 }219 err = el.WaitWritable()220 if err != nil {221 return err222 }223 err = el.page.InsertText(text)224 _, _ = el.Evaluate(evalHelper(js.InputEvent).ByUser())225 return err226}227// InputTime 聚焦该元素及其输入时间。228// 在执行操作之前，它将滚动到元素，等待其可见、启用和可写。229// 它将等待元素可见、启用和可写。230func (el *Element) InputTime(t time.Time) error {231 err := el.Focus()232 if err != nil {233 return err234 }235 err = el.WaitEnabled()236 if err != nil {237 return err238 }239 err = el.WaitWritable()240 if err != nil {241 return err242 }243 defer el.tryTrace(TraceTypeInput, "input "+t.String())()244 _, err = el.Evaluate(evalHelper(js.InputTime, t.UnixNano()/1e6).ByUser())245 return err246}247// Blur 类似于方法 Blur248func (el *Element) Blur() error {249 _, err := el.Evaluate(Eval("() => this.blur()").ByUser())250 return err251}252// Select 选择与选择器匹配的子选项元素。253// 在操作之前，它将滚动到元素，等待它可见。254// 如果没有与选择器匹配的选项，它将返回ErrElementNotFound。255func (el *Element) Select(selectors []string, selected bool, t SelectorType) error {256 err := el.Focus()257 if err != nil {258 return err259 }260 defer el.tryTrace(TraceTypeInput, fmt.Sprintf(`select "%s"`, strings.Join(selectors, "; ")))()261 el.page.browser.trySlowmotion()262 res, err := el.Evaluate(evalHelper(js.Select, selectors, selected, t).ByUser())263 if err != nil {264 return err265 }266 if !res.Value.Bool() {267 return &ErrElementNotFound{}268 }269 return nil270}271// Matches 检查css选择器是否可以选择元素272func (el *Element) Matches(selector string) (bool, error) {273 res, err := el.Eval(`s => this.matches(s)`, selector)274 if err != nil {275 return false, err276 }277 return res.Value.Bool(), nil278}279// Attribute DOM对象的属性280// Attribute vs Property: https://stackoverflow.com/questions/6003819/what-is-the-difference-between-properties-and-attributes-in-html281func (el *Element) Attribute(name string) (*string, error) {282 attr, err := el.Eval("(n) => this.getAttribute(n)", name)283 if err != nil {284 return nil, err285 }286 if attr.Value.Nil() {287 return nil, nil288 }289 s := attr.Value.Str()290 return &s, nil291}292// Property DOM对象的属性293// Property vs Attribute: https://stackoverflow.com/questions/6003819/what-is-the-difference-between-properties-and-attributes-in-html294func (el *Element) Property(name string) (gson.JSON, error) {295 prop, err := el.Eval("(n) => this[n]", name)296 if err != nil {297 return gson.New(nil), err298 }299 return prop.Value, nil300}301// SetFiles 设置当前文件输入元素的文件302func (el *Element) SetFiles(paths []string) error {303 absPaths := []string{}304 for _, p := range paths {305 absPath, err := filepath.Abs(p)306 utils.E(err)307 absPaths = append(absPaths, absPath)308 }309 defer el.tryTrace(TraceTypeInput, fmt.Sprintf("set files: %v", absPaths))()310 el.page.browser.trySlowmotion()311 err := proto.DOMSetFileInputFiles{312 Files: absPaths,313 ObjectID: el.id(),314 }.Call(el)315 return err316}317// Describe 描述当前元素。深度是应检索子级的最大深度，默认为1，对整个子树使用-1，或提供大于0的整数。318// pierce决定在返回子树时是否要遍历iframes和影子根。319// 返回的proto.DOMNode。NodeID将始终为空，因为NodeID不稳定（当proto.DOMDocumentUpdated被触发时，320// 页面上的所有NodeID都将被重新分配到另一个值）。我们不建议使用NodeID，而是使用BackendNodeID来标识元素。321func (el *Element) Describe(depth int, pierce bool) (*proto.DOMNode, error) {322 val, err := proto.DOMDescribeNode{ObjectID: el.id(), Depth: gson.Int(depth), Pierce: pierce}.Call(el)323 if err != nil {324 return nil, err325 }326 return val.Node, nil327}328// ShadowRoot ShadowRoot返回此元素的影子根329func (el *Element) ShadowRoot() (*Element, error) {330 node, err := el.Describe(1, false)331 if err != nil {332 return nil, err333 }334 // 虽然现在它是一个数组，但w3c将其规范更改为单个数组。335 id := node.ShadowRoots[0].BackendNodeID336 shadowNode, err := proto.DOMResolveNode{BackendNodeID: id}.Call(el)337 if err != nil {338 return nil, err339 }340 return el.page.ElementFromObject(shadowNode.Object)341}342// Frame 创建一个表示iframe的页面实例343func (el *Element) Frame() (*Page, error) {344 node, err := el.Describe(1, false)345 if err != nil {346 return nil, err347 }348 clone := *el.page349 clone.FrameID = node.FrameID350 clone.jsCtxID = new(proto.RuntimeRemoteObjectID)351 clone.element = el352 clone.sleeper = el.sleeper353 return &clone, nil354}355// ContainesElement 检查目标是否是或在元素内。356func (el *Element) ContainsElement(target *Element) (bool, error) {357 res, err := el.Evaluate(evalHelper(js.ContainsElement, target.Object))358 if err != nil {359 return false, err360 }361 return res.Value.Bool(), nil362}363// Text 元素显示的文本364func (el *Element) Text() (string, error) {365 str, err := el.Evaluate(evalHelper(js.Text))366 if err != nil {367 return "", err368 }369 return str.Value.String(), nil370}371// HTML 元素的HTML372func (el *Element) HTML() (string, error) {373 res, err := proto.DOMGetOuterHTML{ObjectID: el.Object.ObjectID}.Call(el)374 if err != nil {375 return "", err376 }377 return res.OuterHTML, nil378}379// Visible 如果元素在页面上可见，则返回true380func (el *Element) Visible() (bool, error) {381 res, err := el.Evaluate(evalHelper(js.Visible))382 if err != nil {383 return false, err384 }385 return res.Value.Bool(), nil386}387// WaitLoad 类似于＜img＞元素的等待加载388func (el *Element) WaitLoad() error {389 defer el.tryTrace(TraceTypeWait, "load")()390 _, err := el.Evaluate(evalHelper(js.WaitLoad).ByPromise())391 return err392}393// WaitStable 等待直到在d持续时间内没有形状或位置变化。394// 小心，d不是最大等待超时，它是最不稳定的时间。395// 如果要设置超时，可以使用“Element.timeout”函数。396func (el *Element) WaitStable(d time.Duration) error {397 err := el.WaitVisible()398 if err != nil {399 return err400 }401 defer el.tryTrace(TraceTypeWait, "stable")()402 shape, err := el.Shape()403 if err != nil {404 return err405 }406 t := time.NewTicker(d)407 defer t.Stop()408 for {409 select {410 case <-t.C:411 case <-el.ctx.Done():412 return el.ctx.Err()413 }414 current, err := el.Shape()415 if err != nil {416 return err417 }418 if reflect.DeepEqual(shape, current) {419 break420 }421 shape = current422 }423 return nil424}425// WaitStableRAF 等待直到连续两个动画帧的形状或位置没有变化。426// 如果要等待由JS而不是CSS触发的动画，最好使用Element.WaitStable。427// 关于 animation frame: https://developer.mozilla.org/en-US/docs/Web/API/window/requestAnimationFrame428func (el *Element) WaitStableRAF() error {429 err := el.WaitVisible()430 if err != nil {431 return err432 }433 defer el.tryTrace(TraceTypeWait, "stable RAF")()434 var shape *proto.DOMGetContentQuadsResult435 for {436 err = el.page.WaitRepaint()437 if err != nil {438 return err439 }440 current, err := el.Shape()441 if err != nil {442 return err443 }444 if reflect.DeepEqual(shape, current) {445 break446 }447 shape = current448 }449 return nil450}451// WaitInteractable 等待元素可交互。452// 它将在每次尝试时尝试滚动到元素。453func (el *Element) WaitInteractable() (pt *proto.Point, err error) {454 defer el.tryTrace(TraceTypeWait, "interactable")()455 err = utils.Retry(el.ctx, el.sleeper(), func() (bool, error) {456 // 对于延迟加载页面，元素可以在视口之外。457 // 如果我们不滚动到它，它将永远不可用。458 err := el.ScrollIntoView()459 if err != nil {460 return true, err461 }462 pt, err = el.Interactable()463 if errors.Is(err, &ErrCovered{}) {464 return false, nil465 }466 return true, err467 })468 return469}470// Wait 等待js返回true471func (el *Element) Wait(opts *EvalOptions) error {472 return el.page.Context(el.ctx).Sleeper(el.sleeper).Wait(opts.This(el.Object))473}474// WaitVisible 直到元素可见475func (el *Element) WaitVisible() error {476 defer el.tryTrace(TraceTypeWait, "visible")()477 return el.Wait(evalHelper(js.Visible))478}479// WaitEnabled 直到该元素未被禁用。480// Doc for readonly: https://developer.mozilla.org/en-US/docs/Web/HTML/Attributes/readonly481func (el *Element) WaitEnabled() error {482 defer el.tryTrace(TraceTypeWait, "enabled")()483 return el.Wait(Eval(`() => !this.disabled`))484}485// WaitWritable 直到该元素不是只读的。486// Doc for disabled: https://developer.mozilla.org/en-US/docs/Web/HTML/Attributes/disabled487func (el *Element) WaitWritable() error {488 defer el.tryTrace(TraceTypeWait, "writable")()489 return el.Wait(Eval(`() => !this.readonly`))490}491// WaitInvisible 直到元件不可见492func (el *Element) WaitInvisible() error {493 defer el.tryTrace(TraceTypeWait, "invisible")()494 return el.Wait(evalHelper(js.Invisible))495}496// CanvastoiImage 获取画布的图像数据。497// 默认格式为image/png。498// 默认质量为0.92。499// doc: https://developer.mozilla.org/en-US/docs/Web/API/HTMLCanvasElement/toDataURL500func (el *Element) CanvasToImage(format string, quality float64) ([]byte, error) {501 res, err := el.Eval(`(format, quality) => this.toDataURL(format, quality)`, format, quality)...

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WaitWritable

Using AI Code Generation

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1import (2func main() {3 l := launcher.New().Headless(false)4 defer l.Cleanup()5 url := l.MustLaunch()6 fmt.Println("URL: ", url)7 browser := rod.New().ControlURL(url).MustConnect()8 page.MustWaitLoad().MustWaitWritable()9 time.Sleep(10 * time.Second)10}

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WaitWritable

Using AI Code Generation

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1import (2func main() {3 browser := rod.New().ControlURL(launcher.New().MustLaunch()).MustConnect()4 page := browser.MustPage("")5 searchBox := page.MustWaitVisible("#tsf > div:nth-child(2) > div > div.RNNXgb > div > div.a4bIc > input", 10)6 searchBox.MustWaitWritable(10)7 searchBox.MustInput("Hello World")8 inputValue, err := page.Eval(`document.querySelector("#tsf > div:nth-child(2) > div > div.RNNXgb > div > div.a4bIc > input").value`, nil)9 if err != nil {10 panic(err)11 }12 fmt.Println("Input value is: ", inputValue)13 page.MustElement("#tsf > div:nth-child(2) > div > div.FPdoLc.VlcLAe > center > input.gNO89b").MustClick()14 page.MustWaitLoad()15 title, err := page.Eval(`document.title`, nil)16 if err != nil {17 panic(err)18 }19 fmt.Println("Page title is: ", title)20 url, err := page.Eval(`document.URL`, nil)21 if err != nil {22 panic(err)23 }24 fmt.Println("Page URL is: ", url)25 html, err := page.Eval(`document.body.innerHTML`, nil)26 if err != nil {27 panic(err)28 }29 fmt.Println("Page HTML is: ", html)30 cookies, err := page.Eval(`document.cookie`, nil)31 if err != nil {32 panic(err)33 }34 fmt.Println("Page cookies are: ", cookies)

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WaitWritable

Using AI Code Generation

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1import (2func main() {3 browser := rod.New().ControlURL(launcher.New().MustLaunch()).MustConnect()4 page.MustWaitLoad()5 page.MustWaitWritable()6 time.Sleep(5 * time.Second)7 browser.MustClose()8 fmt.Println("Done")9}

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WaitWritable

Using AI Code Generation

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1import (2func main() {3 browser := rod.New().Connect()4 page.WaitLoad()5 page.Eval(`document.querySelector("input").value = "rod"`)6 page.WaitRequestIdle().Wait(2 * time.Second)7 page.Element("input[name=btnK]").WaitWritable().Click()8}

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WaitWritable

Using AI Code Generation

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1import (2func main() {3 browser := rod.New().Connect()4 page.WaitReady()5 page.WaitWritable()6 fmt.Println(page.Title())7}8import (9func main() {10 browser := rod.New().Connect()11 page.WaitReady()12 page.WaitStable()13 fmt.Println(page.Title())14}15import (16func main() {17 browser := rod.New().Connect()18 page.WaitLoad()19 fmt.Println(page.Title())20}21import (22func main() {23 browser := rod.New().Connect()

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WaitWritable

Using AI Code Generation

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1import (2func main() {3 browser := rod.New().Connect()4 page.WaitLoad()5 page.Element(".gNO89b").WaitClickable()6 page.Element(".gNO89b").Click()7 page.WaitLoad()8 page.Element("#result-stats").WaitVisible()9 fmt.Println(page.Element("#result-stats").Text())10 browser.Close()11}12About 1,20,00,00,000 results (0.78 seconds)

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WaitWritable

Using AI Code Generation

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1import (2func main() {3 l := launcher.New().Headless(false)4 defer l.Cleanup()5 browser := rod.New().ControlURL(l).MustConnect()6 defer browser.Close()7 page := browser.MustPage("")8 defer page.Close()9 if err != nil {10 fmt.Println(err)11 }12 err = page.WaitWritable().Error()13 if err != nil {14 fmt.Println(err)15 }16 time.Sleep(10 * time.Second)17}18import (19func main() {20 l := launcher.New().Headless(false)21 defer l.Cleanup()22 browser := rod.New().ControlURL(l).MustConnect()23 defer browser.Close()24 page := browser.MustPage("")25 defer page.Close()26 if err != nil {27 fmt.Println(err)28 }29 err = page.WaitStable().Error()30 if err != nil {31 fmt.Println(err)32 }33 time.Sleep(10 * time.Second)34}35import (36func main() {37 l := launcher.New().Headless(false)38 defer l.Cleanup()39 browser := rod.New().ControlURL(l).Must

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