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main.go
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main.go
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package main
import (
"encoding/json"
"fmt"
"io/ioutil"
"log"
"net/http"
"path/filepath"
"sort"
"strconv"
"strings"
"github.com/ysmood/gson"
"github.com/yusufozturk/rod/lib/utils"
)
const mirror = "https://registry.npmmirror.com/-/binary/chromium-browser-snapshots/"
func main() {
list := getList(mirror)
revLists := [][]int{}
for _, os := range list {
revList := []int{}
for _, s := range getList(mirror + os + "/") {
rev, err := strconv.ParseInt(s, 10, 32)
if err != nil {
log.Fatal(err)
}
revList = append(revList, int(rev))
}
sort.Ints(revList)
revLists = append(revLists, revList)
}
rev := largestCommonRevision(revLists)
if rev < 969819 {
utils.E(fmt.Errorf("cannot match version of the latest chromium from %s", mirror))
}
playwright := getFromPlaywright()
out := utils.S(`// generated by "lib/launcher/revision"
package launcher
// RevisionDefault for chromium
const RevisionDefault = {{.default}}
// RevisionPlaywright for arm linux
const RevisionPlaywright = {{.playwright}}
`,
"default", rev,
"playwright", playwright,
)
utils.E(utils.OutputFile(filepath.FromSlash("lib/launcher/revision.go"), out))
}
func getList(path string) []string {
res, err := http.Get(path)
utils.E(err)
defer func() { _ = res.Body.Close() }()
var data interface{}
err = json.NewDecoder(res.Body).Decode(&data)
utils.E(err)
list := data.([]interface{})
names := []string{}
for _, it := range list {
name := it.(map[string]interface{})["name"].(string)
names = append(names, strings.TrimRight(name, "/"))
}
return names
}
func largestCommonRevision(revLists [][]int) int {
sort.Slice(revLists, func(i, j int) bool {
return len(revLists[i]) < len(revLists[j])
})
shortest := revLists[0]
for i := len(shortest) - 1; i >= 0; i-- {
r := shortest[i]
isCommon := true
for i := 1; i < len(revLists); i++ {
if !has(revLists[i], r) {
isCommon = false
break
}
}
if isCommon {
return r
}
}
return 0
}
func has(list []int, i int) bool {
index := sort.SearchInts(list, i)
return index < len(list) && list[index] == i
}
func getFromPlaywright() int {
out, err := utils.ExecLine(false, "npm -s show playwright version")
if err != nil {
return 0
}
pv := strings.TrimSpace(out)
pvOut := fetch(fmt.Sprintf("https://raw.githubusercontent.com/microsoft/playwright/v%s/packages/playwright-core/browsers.json", pv))
rev, err := strconv.ParseInt(gson.NewFrom(pvOut).Get("browsers.0.revision").Str(), 10, 32)
_, err = utils.E(err)
if err != nil {
return 0
}
return int(rev)
}
func fetch(u string) string {
res, err := http.Get(u)
utils.E(err)
defer func() { _ = res.Body.Close() }()
b, err := ioutil.ReadAll(res.Body)
utils.E(err)
return string(b)
}