Created
July 15, 2018 11:11
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Finally friendly got it right, thanks @ghetzel !
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package main | |
import ( | |
"fmt" | |
"github.com/ghetzel/go-webfriend" | |
"github.com/ghetzel/go-webfriend/browser" | |
"github.com/ghetzel/go-webfriend/commands/core" | |
"log" | |
"time" | |
) | |
const ( | |
googleUrl string = "https://google.com/" | |
googleSearch string = "cute cats" | |
) | |
func main() { | |
var err error | |
// create the browser | |
chrome := browser.NewBrowser() | |
// modify the browser's options | |
chrome.Headless = false | |
// launch the browser & handle errors gracefully | |
if err = chrome.Launch(); err != nil { | |
log.Fatalf("An error happened while launching the browser: %s\n", err.Error()) | |
} | |
// create the environement (with which we'll interact) | |
env := webfriend.NewEnvironment(chrome) | |
// go to the target web page | |
if _, err = env.Core.Go(googleUrl, &core.GoArgs{ | |
Timeout: 10 * time.Second, | |
}); err != nil { | |
log.Fatalf("An error happened while loading %s: %v", googleUrl, err.Error()) | |
} | |
// fill the target field | |
if _, err = env.Core.Field(`#lst-ib`, &core.FieldArgs{ | |
Value: googleSearch, | |
Enter: true, | |
}); err != nil { | |
log.Fatalf("Error while interacting with field: %v", err.Error()) | |
} | |
// find all the result links, by selector, with a timeout of 5 seconds. | |
var resultLinks []*browser.Element | |
if resultLinks, err = env.Core.Select(`h3.r a`, &core.SelectArgs{ | |
CanBeEmpty: true, // avoid returning an error when there are no results | |
}); err != nil { | |
log.Fatalf("Couldn't scrape links: %v", err.Error()) | |
} | |
// exit if we don't have a least one link | |
if len(resultLinks) < 1 { // we need at least one link | |
log.Fatal("No link found") | |
} | |
// loop through all the links and print them nicely | |
for _, link := range resultLinks { | |
url, ok := link.Attributes()[`href`] | |
// skip if href is not defined in the map | |
if !ok { | |
continue | |
} | |
// print the results in the following format: [Example Title](https://example.com) | |
fmt.Printf("Result: [%s](%s)\n", link.Text(), url) | |
} | |
} |
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