cascadia
cascadia is a library for Go that provides a CSS selector engine, allowing you to use CSS selectors to select elements from an HTML document.
It is built on top of the html package in the Go standard library, and provides a more efficient and powerful way to select elements from an HTML document.
Example Use
```go package main
import ( "fmt" "github.com/andybalholm/cascadia" "golang.org/x/net/html" "strings" )
func main() { // Create an HTML string html := `
Hello, World!
Example </body>
</html>`
// Parse the HTML string into a node tree doc, err := html.Parse(strings.NewReader(html)) if err != nil { fmt.Println("Error:", err) return }
// Compile the CSS selector sel, err := cascadia.Compile("p") if err != nil { fmt.Println("Error:", err) return }
// Use the Selector.Match method to select elements from the document matches := sel.Match(doc) if len(matches) > 0 { fmt.Println(matches[0].FirstChild.Data) // > Hello, World! } } ```