79 lines
1.6 KiB
Go
79 lines
1.6 KiB
Go
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package main
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import (
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"context"
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"errors"
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"log"
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"os"
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"time"
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cdp "github.com/knq/chromedp"
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cdptypes "github.com/knq/chromedp/cdp"
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rundom "github.com/knq/chromedp/cdp/runtime"
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)
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func main() {
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var err error
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// create context
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ctxt, cancel := context.WithCancel(context.Background())
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defer cancel()
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// create chrome instance
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c, err := cdp.New(ctxt)
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if err != nil {
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log.Fatal(err)
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}
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// run task list
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err = c.Run(ctxt, visible())
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if err != nil {
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log.Fatal(err)
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}
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// shutdown chrome
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err = c.Shutdown(ctxt)
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if err != nil {
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log.Fatal(err)
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}
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// wait for chrome to finish
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err = c.Wait()
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if err != nil {
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log.Fatal(err)
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}
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}
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func visible() cdp.Tasks {
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var res *rundom.RemoteObject
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return cdp.Tasks{
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cdp.Navigate("file:" + os.Getenv("GOPATH") + "/src/github.com/knq/chromedp/testdata/visible.html"),
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cdp.Evaluate(makeVisibleScript, &res),
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cdp.ActionFunc(func(context.Context, cdptypes.FrameHandler) error {
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log.Printf(">>> res: %+v", res)
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return nil
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}),
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cdp.WaitVisible(`#box1`),
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cdp.ActionFunc(func(context.Context, cdptypes.FrameHandler) error {
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log.Printf(">>>>>>>>>>>>>>>>>>>> BOX1 IS VISIBLE")
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return nil
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}),
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cdp.WaitVisible(`#box2`),
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cdp.ActionFunc(func(context.Context, cdptypes.FrameHandler) error {
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log.Printf(">>>>>>>>>>>>>>>>>>>> BOX2 IS VISIBLE")
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return nil
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}),
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cdp.ActionFunc(func(context.Context, cdptypes.FrameHandler) error {
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log.Printf(">>>>>>>>>>>>>>>>>>>> WAITING TO EXIT")
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time.Sleep(150 * time.Second)
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return errors.New("exiting")
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}),
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}
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}
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const (
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makeVisibleScript = `setTimeout(function() {
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document.querySelector('#box1').style.display = '';
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}, 30000);`
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)
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