isNotEmpty( )

Refines a query or filter to match items whose specified property has any value.

Description

The isNotEmpty() function refines a WixDataQuery or WixDataFilter to only match items where the value of the specified property is not null or undefined.

If the property contains any value at all for a given item, including the empty string or an invalid value, that item will match the query.

Syntax

function isNotEmpty(propertyName: string): WixDataQuery

isNotEmpty Parameters

NAME

TYPE

DESCRIPTION

propertyName

string

The property in which to check for a value.

Returns

A WixDataQuery object representing the refined query.

Return Type:

WixDataQuery

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Add an isNotEmpty filter to a query

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1let newQuery = query.isNotEmpty("bio");

Create a query, add an isNotEmpty filter, and run it

Copy Code

1import wixData from 'wix-data';
2
3// ...
4
5wixData.query("myCollection")
6  .isNotEmpty("bio")
7  .find()
8  .then((results) => {
9    if(results.items.length > 0) {
10      let items = results.items;
11      let firstItem = items[0];
12      let totalCount = results.totalCount;
13      let pageSize = results.pageSize;
14      let currentPage = results.currentPage;
15      let totalPages = results.totalPages;
16      let hasNext = results.hasNext();
17      let hasPrev = results.hasPrev();
18      let length = results.length;
19      let query = results.query;
20    } else {
21      // handle case where no matching items found
22    }
23  })
24  .catch((error) => {
25    let errorMsg = error.message;
26    let code = error.code;
27  });

Create a query, add an isNotEmpty filter, and run it

Copy Code

1import wixData from 'wix-data';
2
3// ...
4
5wixData.query("myCollection")
6  .isNotEmpty("bio")
7  .gt("age", 25)
8  .ascending("last_name", "first_name")
9  .limit(10)
10  .find()
11  .then((results) => {
12    if(results.items.length > 0) {
13      let items = results.items;
14      let firstItem = items[0];
15      let totalCount = results.totalCount;
16      let pageSize = results.pageSize;
17      let currentPage = results.currentPage;
18      let totalPages = results.totalPages;
19      let hasNext = results.hasNext();
20      let hasPrev = results.hasPrev();
21      let length = results.length;
22      let query = results.query;
23    } else {
24      // handle case where no matching items found
25    }
26  })
27  .catch((error) => {
28    let errorMsg = error.message;
29    let code = error.code;
30  });