Example Usage
package main

import (
    "fmt"
    "log"
    "net/http"
    "net/url"

    "github.com/003random/getJS/extractor"
)

func main() {
    baseURL, err := url.Parse("https://google.com")
    if (err != nil) {
        log.Fatalf("Error parsing base URL: %v", err)
    }

    resp, err := extractor.FetchResponse(baseURL.String(), "GET", http.Header{})
    if (err != nil) {
        log.Fatalf("Error fetching response: %v", err)
    }
    defer resp.Body.Close()

    // Custom extraction points (optional).
    extractionPoints := map[string][]string{
        "script": {"src", "data-src"},
        "a": {"href"},
    }

    sources, err := extractor.ExtractSources(resp.Body, extractionPoints)
    if (err != nil) {
        log.Fatalf("Error extracting sources: %v", err)
    }

    // Filtering and extending extracted sources.
    filtered, err := extractor.Filter(sources, extractor.WithComplete(baseURL), extractor.WithResolve())
    if (err != nil) {
        log.Fatalf("Error filtering sources: %v", err)
    }

    for source := range filtered {
        fmt.Println(source.String())
    }
}