Dean was asking you about the DATASET not out of nowhere.
Normaly you should first wait for the DATASET to be ready first when you are interacting with Wix-Data → (Mixing Wix-Data+CODE and an already setted-up DATASET).
In none of provided codes i could find something like…
//Importing the neccessary libraries... (in your case wix-data)
import wixData from 'wix-data';
// This code is executed when the page is ready
$w.onReady(async()=> {
$w('#myDataset').onReady(()=>{
//...
// ...your CODE here...
//...
});
});
This makes sure that your code will only start acting after both (PAGE & DATASET) are → READY! This is one of first biggest mistakes what is always done by a ongoing wix-coder.
Also why not first make things clear by making some clear definitions of what is what, generating a → USER-INTERFACE <—, like …
It looks like your main problem is the switch from dataset-based-setup → to a mixed-setup using dataset and wix-data (coding).
import wixData from 'wix-data';
// This code is executed when the page is ready
//Integrated USER-INTERFACE...
//xxxxxxxxxxxxxxxxxx [USER-INTERFACE] xxxxxxxxxxxxxx
const DATASET = "define your dataset here";
const DATABASE = "define your database here";
const FIELD = "define your field here";
//You could define maybe even more, depending on your setup, like this:
const VALUE = "define your value here";
const FILTER = "define your filter here";
const FILTERVALUE = "define your filter value here";
const FILTERFIELD = "define your filter field here";
//...and so on and so on....
//xxxxxxxxxxxxxxxxxx [USER-INTERFACE] xxxxxxxxxxxxxx
Ok, once done all your DEFINITIONS and DECLARATIONS, you now can continue with your code, using them…
$w.onReady(()=> {console.log('I am the page and i am ready now, but is the dataset also already --> READY ???');
$w(`#${DATASET}`).onReady(async()=>{console.log('I am the dataset and i am ready now...');
// DATA-PART --> Let us first retrieve your data from the database and then we can use it in the repeater (we do not forget to use the async/await pattern here).
const myDataQuery = await wixData.query(DATABASE).find(); console.log('myDataQuery: ', myDataQuery);
// REPEATER-PART...
$w(`#${REPEATER}`).onItemReady(($item, itemData, idex) => {console.log('Item-Data: ', itemData); // Log the itemData to see its structure.
// Check if itemData is defined and is not null...
if(itemData) {console.log('Item-Data is defined and not null...');
// Check if itemData has a location property...
if (itemData[FIELD]) { console.log('Item-Data has a location property...');
// Get the location data from itemData...
const mapLocation = itemData[FIELD]; // Assuming itemData has a mapLocation property. FIELD = "mapLocation", defined above.
// Going the more simple way... instead of ---> const { city, state, country } = itemData.mapLocation; // Deconstruction
const city = mapLocation.city; // Assuming mapLocation has a city property.
const state = mapLocation.state; // Assuming mapLocation has a state property.
const country = mapLocation.country; // Assuming mapLocation has a country property.
// Not $w, so it only targets the specific repeater occurence --> (Wix-RULE: OUTSIDE of REPEATERS => $w and INSIDE of REPEATERS => $item)
$item('#txtElemntCity').text = `${city}`; // This will show CITY in one of the appropirate text elements.
$item('#txtElemetState').text = `${state}`; // This will show STATE in one of the appropirate text elements.
$item('#txtElementCountry').text = `${country}`; // This will show COUNTRY in one of the appropirate text elements.
$item('#txtElementAlltogether').text = `${city}, ${state}, ${country}`; // This will show the full address in just one text appropirate elements.
} else {console.log('Item-Data does not have a location property...');}
} else {console.log('Item-Data is not defined or null...');} // If itemData is not defined or null, do nothing.
});
});
});
But looks like something is still missing! What could it be?
Also check if all your ELEMENT-IDs are correct regarding the provided code!
Either adjust the code, or your IDs accordingly.
NO! NOT THE CODE → BECAUSE YOU HAVE NOW YOUR → USER-INTERFACE !!!
THE USER-INTERFACE IS NOW THE AREA FOR MAKING CHANGES, REGARDING YOUR VALUES & IDs!!! 
USE MORE → CONSOLE-LOGS and check them inside of your → CONSOLE!
THIS WAY YOU WILL UNDERSTAND YOUR OWN CODE BETTER !!!
Almost, FULL-CODE…
import wixData from 'wix-data';
//xxxxxxxxxxxxxxxxxx [USER-INTERFACE] xxxxxxxxxxxxxx
const DATASET = "myDatasetID"; // the name of your dataset, which you still did not mention in this context !!!
const DATABASE = "Properties"; // the name of your database, which is in your case --> PROPERTIES !!!
const REPEATER = "myRepeaterID"; // the name of your repeater, which you still did not mention in this context !!!
const FIELD = "mapLocation"; // the name of your field, in your case --> mapLocation !!!
//xxxxxxxxxxxxxxxxxx [USER-INTERFACE] xxxxxxxxxxxxxx
$w.onReady(()=> {console.log('PAGE-READY...');
$w(`#${DATASET}`).onReady(async()=>{console.log('DATASET READY...');
const myDataQuery = await wixData.query(DATABASE).find(); console.log('myDataQuery: ', myDataQuery);
// REPEATER-PART...
$w(`#${REPEATER}`).onItemReady(($item, itemData, idex) => {console.log('Item-Data: ', itemData);
if(itemData) {console.log('Item-Data found!');
if (itemData[FIELD]) { console.log('Location-Property found!');
const mapLocation = itemData[FIELD];
const city = mapLocation.city;
const state = mapLocation.state;
const country = mapLocation.country;
$item('#txtElemntCity').text = `${city}`;
$item('#txtElemetState').text = `${state}`;
$item('#txtElementCountry').text = `${country}`;
$item('#txtElementAlltogether').text = `${city}, ${state}, ${country}`;
} else {console.log('Location-Property NOT found!');}
} else {console.log('Item-Data is not defined or null...');}
});
});
});
Complete the code…
And next time also provide some data-example from your setup, like…
{
"_id": "12345",
"title": "Cool Engineering Project",
"description": "An AI-powered project.",
"location": true, // Possibly just a flag to show there's a location
"mapLocation": {
"city": "San Francisco",
"state": "CA",
"country": "USA",
"latitude": 37.7749,
"longitude": -122.4194
},
"image": "wix:image://v1/abcd.jpg/project.jpg#originWidth=1024&originHeight=768"
}
This can speed up everything!
Further steps, where you should do some → BRAINSTORMING on!
- Why the code is still not complete? → What part is missing?
- Would it make sense to use a separate RETURN-FUNCTION for DATA-QUERY? → (UPGRADE) → What would be the benefit?
- What is the benefit of the → USER-INTERFACE ← (already mentioned above)
- Should i maybe pay more attention in my future, when mixing Wix-Data with a DATASET connected setup?
- Do i have 2 different DATABASES involved in my setup?
- Did i really mention my whole setup in detail?
EDIT: The following can be also written like …
$item('#txtElemntCity').text = city;
$item('#txtElemetState').text = state;
$item('#txtElementCountry').text = country;
$item('#txtElementAlltogether').text = `${city} / ${state} / ${country}`;
).