fix: check nullable properties (#15)

* fix: sometimes `simpleText` is null
* fix: nullable properties
* feat(package): bump version

Co-authored-by: Yimura <[email protected]>

Author: sawa-ko

Diff for: package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "@yimura/scraper",
-  "version": "1.2.3",
+  "version": "1.2.4",
   "description": "A YouTube scraper using zero dependencies",
   "main": "index.js",
   "types": "index.d.ts",

Diff for: package.json

@@ -34,7 +34,7 @@ const getChannelLink = (cRender) => {
 }
 
 const getChannelVideoCount = (cRender) => {
-    if (!cRender.videoCountText) return 0;
+    if (!cRender.videoCountText?.runs) return 0;
     return +cRender.videoCountText.runs[0].text;
 }
 
@@ -82,7 +82,7 @@ const getUploadDate = (vRender) => {
 }
 
 const getViews = (vRender) => {
-    if (!vRender.viewCountText) return 0;
+    if (!vRender.viewCountText?.simpleText) return 0;
     return +vRender.viewCountText.simpleText.replace(/[^0-9]/g, '');
 }
 
@@ -96,7 +96,7 @@ const idToThumbnail = function(id) {
 }
 
 const parseDuration = (vRender) => {
-    if (!vRender.lengthText) return 0;
+    if (!vRender.lengthText?.simpleText) return 0;
 
     const nums = vRender.lengthText.simpleText.split(':');
     let time = nums.reduce((a, t) => (60 * a) + +t) * 1e3;