Dataview aggregate chart

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1

I’m trying to make a simple chart using the Charts plugin with the Dataview plugin.
The goal is to supply it a list of notes, check a specific metadata field (“Type”) and count how many notes I have for each unique value of that property

Here’s my code:

const pagesPath = '"Folder"'; //path-filter of notes to process
let types = []; //stores data in associative array
let labels = []; //stores labels for the chart

var files = dv.pages(pagesPath);
for (let i = 0 ; i < files.length ; i++){
	let f = fiches[i];
	if(types.hasOwnProperty(f.type)){
        //we already have encountered the key, increment
		types[f.type]++;
	} else {
        //key is not in the array, add it to the array and the label list
		labels.push(f.type);
		types[f.type] = 1;
	}
}

//display the chart
const barChart = {
    type: 'bar',
    data: {
    labels: labels,
    datasets: [{
        label: 'Count',
        data: types,
        borderWidth: 1
    }]
   }
}

window.renderChart(barChart, this.container);

The chart itself and the labels kind of display correctly (some notes having a blank/missing metadata field might make it glitch) but that’s pretty much it and I’m having a lot of trouble understanding why.

2

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