How to remove empty objects from array of objects?
- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Report Inappropriate Content
‎10-26-2020 03:38 AM
Hi,
In an integration , I have to pass the sys_id and fetch the attachments of that record.
-some records have multiple attachments and some have none
-Passing the sys_id in for loop.
Issue : Getting empty arrays along with arrays that has values
below is my script include
getAttachment : function(arrayString){
var r = new sn_ws.RESTMessageV2('Knowledge Integration for Bulk upload', 'Get Article');
r.setStringParameter('Accept', 'application/json');
r.setEndpoint('https://bayersidev.service-now.com/api/sn_km_api/knowledge/articles/'+arrayString);
var response = r.execute();
var responseBody = response.getBody();
var parser = new JSONParser();
var parsed = parser.parse(responseBody);
var recordSysId=[];
if(parsed.result.attachments.length !=undefined)
{
var contentArr = [];
var num = new GlideRecord(parsed.result.template_table);
num.addQuery("u_bayer_fmo_number",parsed.result.number);
num.query();
if(num.next()){
recordSysId =num.sys_id;
}
var attachmentLength = parsed.result.attachments.length;
for(var n =0;n<attachmentLength;n++)
{
var attachment ={};
attachment.attachmentID=parsed.result.attachments[n].sys_id;
attachment.sysid=parsed.result.sys_id;
attachment.file_name = parsed.result.attachments[n].file_name;
attachment.size_bytes = parsed.result.attachments[n].size_bytes;
attachment.table=parsed.result.template_table;
attachment.recordSysId = recordSysId;
contentArr.push(attachment);
}
gs.log("attachment json :"+contentArr);
return JSON.stringify(contentArr);
}
},
Below is my scheduled job
var arrayString=[],contentArr=[],attachmentMap=[],embeddedID=[],embedContentMap=[];
var kbUpload = new KnowledgeBulkUpload;
arrayString = kbUpload.searchArticle();
gs.log("ArrayString :"+arrayString.length);//
for(var a=0;a<arrayString.length;a++){
kbUpload.getArticle(arrayString[a]);}
for(var b=0;b<arrayString.length;b++){
contentArr = kbUpload.getAttachment(arrayString[b]);
}
gs.log("Attachments :"+contentArr.length);
for(var i=0;i<contentArr.length;i++){
attachmentMap = kbUpload.attachmentUpdate(contentArr[i]);}
below are the logs
Attachments :[][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][{"attachmentID":"128c35941b9d14541c6442eacd4bcbf2","sysid":"828cf9541b9d14541c6442eacd4bcbc4","file_name":"JIRA Workflow Demand Management (1).pptx","size_bytes":"576420","table":"u_kb_template_end_user"},{"attachmentID":"2e8cb9941b9d14541c6442eacd4bcb4c","sysid":"828cf9541b9d14541c6442eacd4bcbc4","file_name":"Workflow Status Matrix.xlsm","size_bytes":"101326","table":"u_kb_template_end_user"},{"attachmentID":"5e8c35941b9d14541c6442eacd4bcbf0","sysid":"828cf9541b9d14541c6442eacd4bcbc4","file_name":"JIRA with myCloud.docx","size_bytes":"736265","table":"u_kb_template_end_user"}],[],[],[]
attachment json :
How do I eliminate the empty ones and pass only the ones with value to my script include? I need to pass each json object to another function and it should run only three times as obj.length.
Please help.
Thanks & Regards,
Chinmayee Mishra
- Labels:
-
Integrations
-
Script Debugger

- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Report Inappropriate Content
‎10-26-2020 03:51 AM
Hi,
Filter the final array like this and it will remove the empty ones.
Assuming arr is an array containing empty and other data. Then try liek this.
arr = arr.filter(function(e){return e});
gs.print(arr);
Mark the comment as a correct answer and also helpful once worked.

- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Report Inappropriate Content
‎10-26-2020 05:11 AM
Hello Chinmayee,
Did you try the code that I gave you? It will remove the empty elements from the array and return back you the array.
Just use this line, thats enough.
arr = arr.filter(function(e){return e});
In place of arr, use your array name.
- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Report Inappropriate Content
‎10-26-2020 05:31 AM
What is function(e)?
what is return e?
there must be a body of the function.
- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Report Inappropriate Content
‎10-26-2020 05:34 AM
In this json log , my recordSysId value is coming empty. seems like scope issue. Would you mind checking on that please?