How to use WaitStableRAF method of rod Package

Best Rod code snippet using rod.WaitStableRAF

element.go

Source:element.go Github

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...51// ScrollIntoView 将当前元素滚动到浏览器窗口的可见区域中（如果它尚未在可见区域内）。52func (el *Element) ScrollIntoView() error {53 defer el.tryTrace(TraceTypeInput, "scroll into view")()54 el.page.browser.trySlowmotion()55 err := el.WaitStableRAF()56 if err != nil {57 return err58 }59 return proto.DOMScrollIntoViewIfNeeded{ObjectID: el.id()}.Call(el)60}61// Hover 将鼠标停在元素的中心62// 在执行该操作之前，它将尝试滚动到该元素并等待其可交互。63func (el *Element) Hover() error {64 pt, err := el.WaitInteractable()65 if err != nil {66 return err67 }68 return el.page.Mouse.Move(pt.X, pt.Y, 1)69}70// MoveMouseOut 将鼠标移出当前元素71func (el *Element) MoveMouseOut() error {72 shape, err := el.Shape()73 if err != nil {74 return err75 }76 box := shape.Box()77 return el.page.Mouse.Move(box.X+box.Width, box.Y, 1)78}79// Click 会像人一样按下然后释放按钮。80// 在执行操作之前，它将尝试滚动到元素，将鼠标悬停在该元素上，等待该元素可交互并启用。81func (el *Element) Click(button proto.InputMouseButton) error {82 err := el.Hover()83 if err != nil {84 return err85 }86 err = el.WaitEnabled()87 if err != nil {88 return err89 }90 defer el.tryTrace(TraceTypeInput, string(button)+" click")()91 return el.page.Mouse.Click(button)92}93// Tap 将滚动到按钮并像人类一样点击它。94// 在执行此操作之前，它将尝试滚动到元素，并等待其可交互并启用。95func (el *Element) Tap() error {96 err := el.ScrollIntoView()97 if err != nil {98 return err99 }100 err = el.WaitEnabled()101 if err != nil {102 return err103 }104 pt, err := el.WaitInteractable()105 if err != nil {106 return err107 }108 defer el.tryTrace(TraceTypeInput, "tap")()109 return el.page.Touch.Tap(pt.X, pt.Y)110}111// Interactable 检查该元素是否可以与光标交互。112// 光标可以是鼠标、手指、手写笔等。113// 如果不是可交互的，Err将是ErrNotInteractable，例如当被一个模态框覆盖时。114func (el *Element) Interactable() (pt *proto.Point, err error) {115 noPointerEvents, err := el.Eval(`() => getComputedStyle(this).pointerEvents === 'none'`)116 if err != nil {117 return nil, err118 }119 if noPointerEvents.Value.Bool() {120 return nil, &ErrNoPointerEvents{el}121 }122 shape, err := el.Shape()123 if err != nil {124 return nil, err125 }126 pt = shape.OnePointInside()127 if pt == nil {128 err = &ErrInvisibleShape{el}129 return130 }131 scroll, err := el.page.root.Eval(`() => ({ x: window.scrollX, y: window.scrollY })`)132 if err != nil {133 return134 }135 elAtPoint, err := el.page.ElementFromPoint(136 int(pt.X)+scroll.Value.Get("x").Int(),137 int(pt.Y)+scroll.Value.Get("y").Int(),138 )139 if err != nil {140 if errors.Is(err, cdp.ErrNodeNotFoundAtPos) {141 err = &ErrInvisibleShape{el}142 }143 return144 }145 isParent, err := el.ContainsElement(elAtPoint)146 if err != nil {147 return148 }149 if !isParent {150 err = &ErrCovered{elAtPoint}151 }152 return153}154// Shape DOM元素内容的形状。该形状是一组4边多边形（4角）。155// 4-gon不一定是一个长方形。4-gon可以彼此分开。156// 例如，我们使用2个4角来描述以下形状：157//158// ____________ ____________159// / ___/ = /___________/ + _________160// /________/ /________/161//162func (el *Element) Shape() (*proto.DOMGetContentQuadsResult, error) {163 return proto.DOMGetContentQuads{ObjectID: el.id()}.Call(el)164}165// Type 与Keyboard.Type类似。166// 在执行操作之前，它将尝试滚动到该元素并将焦点集中在该元素上。167func (el *Element) Type(keys ...input.Key) error {168 err := el.Focus()169 if err != nil {170 return err171 }172 return el.page.Keyboard.Type(keys...)173}174// KeyActions 与Page.KeyActions类似。175// 在执行操作之前，它将尝试滚动到该元素并将焦点集中在该元素上。176func (el *Element) KeyActions() (*KeyActions, error) {177 err := el.Focus()178 if err != nil {179 return nil, err180 }181 return el.page.KeyActions(), nil182}183// SelectText 选择与正则表达式匹配的文本。184// 在执行操作之前，它将尝试滚动到该元素并将焦点集中在该元素上。185func (el *Element) SelectText(regex string) error {186 err := el.Focus()187 if err != nil {188 return err189 }190 defer el.tryTrace(TraceTypeInput, "select text: "+regex)()191 el.page.browser.trySlowmotion()192 _, err = el.Evaluate(evalHelper(js.SelectText, regex).ByUser())193 return err194}195// SelectAllText 选择所有文本196// 在执行操作之前，它将尝试滚动到该元素并将焦点集中在该元素上。197func (el *Element) SelectAllText() error {198 err := el.Focus()199 if err != nil {200 return err201 }202 defer el.tryTrace(TraceTypeInput, "select all text")()203 el.page.browser.trySlowmotion()204 _, err = el.Evaluate(evalHelper(js.SelectAllText).ByUser())205 return err206}207// Input 聚焦在该元素上并输入文本.208// 在执行操作之前，它将滚动到元素，等待其可见、启用和可写。209// 要清空输入，可以使用el.SelectAllText（）.MustInput（“”）之类的命令210func (el *Element) Input(text string) error {211 err := el.Focus()212 if err != nil {213 return err214 }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 err...

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element_test.go

Source:element_test.go Github

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...480 p := t.page.MustNavigate(t.srcFile("fixtures/wait-stable.html"))481 el := p.MustElement("button")482 el.MustEval(`this.classList.add("play")`)483 start := time.Now()484 t.E(el.WaitStableRAF())485 t.Gt(time.Since(start), time.Second)486 t.mc.stubErr(2, proto.RuntimeCallFunctionOn{})487 t.Err(el.WaitStableRAF())488 t.mc.stubErr(1, proto.DOMGetContentQuads{})489 t.Err(el.WaitStableRAF())490}491func (t T) CanvasToImage() {492 p := t.page.MustNavigate(t.srcFile("fixtures/canvas.html"))493 src, err := png.Decode(bytes.NewBuffer(p.MustElement("#canvas").MustCanvasToImage()))494 t.E(err)495 t.Eq(src.At(50, 50), color.NRGBA{0xFF, 0x00, 0x00, 0xFF})496}497func (t T) ElementWaitLoad() {498 p := t.page.MustNavigate(t.srcFile("fixtures/resource.html"))499 p.MustElement("img").MustWaitLoad()500}501func (t T) Resource() {502 p := t.page.MustNavigate(t.srcFile("fixtures/resource.html"))503 el := p.MustElement("img")...

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WaitStableRAF

Using AI Code Generation

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1import (2func main() {3 browser := rod.New().MustConnect().MustLaunch()4 defer browser.MustClose()5 page.MustWaitStable()6 time.Sleep(time.Second)7 page.MustScreenshot("screenshot.png")8}9import (10func main() {11 browser := rod.New().MustConnect().MustLaunch()12 defer browser.MustClose()13 page.MustWaitStable()14 time.Sleep(time.Second)15 page.MustScreenshot("screenshot.png")16}17import (18func main() {19 browser := rod.New().MustConnect().MustLaunch()20 defer browser.MustClose()21 page.MustWaitStable()22 time.Sleep(time.Second)23 page.MustScreenshot("screenshot.png")24}25import (

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WaitStableRAF

Using AI Code Generation

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1import (2func main() {3 r := NewRod()4 go func() {5 for {6 time.Sleep(1 * time.Second)7 r.Set(count)8 fmt.Println("Set", count)9 }10 }()11 for {12 time.Sleep(1 * time.Second)13 v := r.Get()14 fmt.Println("Get", v)15 }16}17import (18func main() {19 r := NewRod()20 go func() {21 for {22 time.Sleep(1 * time.Second)23 r.Set(count)24 fmt.Println("Set", count)25 }26 }()27 for {28 time.Sleep(1 * time.Second)29 v := r.Get()30 fmt.Println("Get", v)31 }32}33import (34func main() {35 r := NewRod()36 go func() {37 for {38 time.Sleep(1 * time.Second)39 r.Set(count)40 fmt.Println("Set", count)41 }42 }()43 for {44 time.Sleep(1 * time.Second)45 v := r.Get()46 fmt.Println("Get", v)47 }48}49import (50func main() {51 r := NewRod()52 go func() {53 for {54 time.Sleep(1 * time.Second)55 r.Set(count)56 fmt.Println("Set", count)57 }58 }()59 for {60 time.Sleep(1 * time.Second)61 v := r.Get()62 fmt.Println("Get", v)63 }64}65import (66func main() {67 r := NewRod()68 go func() {

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WaitStableRAF

Using AI Code Generation

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1import (2func main() {3 raft := raft.NewRaft([]string{"localhost:7000", "localhost:7001", "localhost:7002"}, "localhost:7000", "data", 10*time.Millisecond)4 raft.WaitStable(10 * time.Second)5 fmt.Println("Raft is stable")6}7import (8func main() {9 raft := raft.NewRaft([]string{"localhost:7000", "localhost:7001", "localhost:7002"}, "localhost:7000", "data", 10*time.Millisecond)10 raft.WaitStable(10 * time.Second)11 raft.AddNode("localhost:7003")12 fmt.Println("Raft is stable")13}14import (15func main() {16 raft := raft.NewRaft([]string{"localhost:7000", "localhost:7001", "localhost:7002"}, "localhost:7000", "data", 10*time.Millisecond)17 raft.WaitStable(10 * time.Second)18 raft.RemoveNode("localhost:7001")19 fmt.Println("Raft is stable")20}21import (22func main() {23 raft := raft.NewRaft([]string{"localhost:7000", "localhost:7001", "localhost:7002"}, "localhost:7000", "data", 10*time.Millisecond)24 raft.WaitStable(10 * time.Second)25 leader := raft.GetLeader()26 fmt.Println("Leader is",

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WaitStableRAF

Using AI Code Generation

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1func main() {2 browser := rod.New().MustConnect()3 page.MustWaitLoad()4 page.MustElement("input[name='q']").MustWaitVisible()5 page.MustElement("input[name='q']").MustInput("rod")6 page.MustElement("input[name='btnK']").MustClick()7 page.MustWaitLoad()8 page.MustWaitStable()9 browser.MustClose()10}11func main() {12 browser := rod.New().MustConnect()13 page.MustWaitLoad()14 page.MustElement("input[name='q']").MustWaitVisible()15 page.MustElement("input[name='q']").MustInput("rod")16 page.MustElement("input[name='btnK']").MustClick()17 page.MustWaitLoad()18 page.MustWaitStable()19 page.MustWaitRequestIdle()20 browser.MustClose()21}22func main() {23 browser := rod.New().MustConnect()

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WaitStableRAF

Using AI Code Generation

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1import (2func main() {3 rf.start()4 r.start()5 s.start()6 s.waitStable()7 fmt.Println("Leader ID: ", rf.getLeaderID())8 fmt.Println("Term: ", rf.getTerm())9 fmt.Println("Commit Index: ", rf.getCommitIndex())10 fmt.Println("Last Applied Index: ", rf.getLastAppliedIndex())11 fmt.Println("Number of log entries: ", rf.getLogSize())12 fmt.Println("Log entries: ", rf.getLogEntries())13 fmt.Println("Server state: ", s.getState())14 fmt.Println("Server term: ", s.getCurrentTerm())15 fmt.Println("Server voted for: ", s.getVotedFor())16 fmt.Println("Server log entries: ", s.getLogEntries())17 fmt.Println("Server commit index: ", s.getCommitIndex())18 fmt.Println("Server last applied index: ", s.getLastAppliedIndex())19 fmt.Println("Server next index: ", s.getNextIndex())20 fmt.Println("Server match index: ", s.getMatchIndex())21 fmt.Println("Server leader ID: ", s.getLeaderID())22 fmt.Println("Server number of votes: ", s.getNumVotes())23 fmt.Println("Server number of votes received: ", s.getNumVotesReceived())24 fmt.Println("Server number of votes granted: ", s.getNumVotesGranted())25 fmt.Println("Server number of votes rejected

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WaitStableRAF

Using AI Code Generation

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1import (2func main() {3 rod := NewRod(10, 10)4 signal := make(chan int)5 go func() {6 rod.WaitStableRAF(signal)7 }()8 go func() {9 rod.ChangePosition(20, 20)10 }()11 fmt.Println(rod.GetPosition())12}13import (14func main() {15 rod := NewRod(10, 10)16 signal := make(chan int)17 go func() {18 rod.WaitStableRAF(signal)19 }()20 go func() {21 rod.ChangePosition(20, 20)22 }()23 fmt.Println(rod.GetPosition())24}25import (26func main() {27 rod := NewRod(10, 10)28 signal := make(chan int)29 go func() {30 rod.WaitStableRAF(signal)31 }()32 go func() {33 rod.ChangePosition(20, 20)34 }()35 fmt.Println(rod.GetPosition())36}

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