Added New Method for getting youtube data

node-youtube-dl/YouTube/utils/extractor.ts

@@ -1,5 +1,6 @@
-import { get } from "./request";
+import fetch from 'node-fetch'
 import fs from 'fs'
+import got from 'got'
 
 export function valid_url(url : string): boolean{
     let valid_url = /^https?:\/\/(youtu\.be\/|(www\.)?youtube\.com\/(embed|watch|v|shorts)(\/|\?))/
@@ -9,37 +10,38 @@ export function valid_url(url : string): boolean{
 
 export async function getBasicInfo(url : string){
     if(valid_url(url)){
-        let body = await get(url)
-        var final ={
-            initial_data : yt_initial_data(body)
+        let body = await url_get(url)
+        let final = {
+            player_response : get_ytPlayerResponse(body),
+            response : get_ytInitialData(body),
+            js_url : js_url(body)
         }
     }
     else {
         throw 'Not a Valid YouTube URL'
-        process.exit(1)
     }
 }
 
-function parse_json(str : string, start_index : number){
-    let matches = 0
-    let result : string = '';
-    if(str[start_index] !== '{') {
-        throw 'Start Index is wrong.'
-        process.exit(1)
-    }
-
-    matches++
-    result += str[start_index]
-    for(let x = start_index + 1; x <= str.length; x++){
-        if(matches === 0) break
-        if(str[x] === '(' || str[x] === '{' || str[x] === '[') matches++
-        if(str[x] === ')' || str[x] === '}' || str[x] === ']') matches--
-        result += str[x]
-    }
-    return JSON.parse(result)
+function js_url(data:string): string {
+    return data.split('"jsUrl":"')[1].split('"')[0]
 }
 
-function yt_initial_data(data : string): JSON{
-    let pattern = /ytInitialData\s=\s/
-    return parse_json(data, data.search(pattern) + 16)
-}
+function get_ytPlayerResponse(data : string): JSON {
+    return JSON.parse(data.split("var ytInitialPlayerResponse = ")[1].split(";</script>")[0])
+}
+
+function get_ytInitialData(data:string): JSON {
+    return JSON.parse(data.split("var ytInitialData = ")[1].split(";</script>")[0])
+}
+
+export async function url_get (url : string) : Promise<string>{
+    return new Promise(async(resolve, reject) => {
+        let time_start = Date.now()
+        let response = await fetch(url)
+
+        if(response.status === 200) {
+            resolve(await response.text())
+        }
+        else reject(`Got ${response.status} from ${url}`)
+    })
+}