heatMap.js

const dateField = 'created';


function parseDateField(page){	
	var date = page[dateField];
	if (moment.isDate(date)){
		return date;
	};
	if (typeof date === 'string' || date instanceof String){
		return moment(date);
	};
	/*
	if (date instanceof Intl.DateTimeFormat){
		//console.log("Is Date Time");
		return moment(date.toString());
	}*/
	if (typeof(date)=='undefined'){
		//catch all undefined dates and retunr a standard date out of reach of any heatmap view.
		console.log(page.file.name);
		return moment('1900-01-01');
	}
	//console.log(date);
	//console.log(typeof(date));
	//console.log(page.file.name);
	//Notes that dont have a 'created' property end up here:
	return moment(date.toString());	
}

function countNotesAtDates(path){
	console.log(path)
	const docs = dv.pages(path);
	var created_date;
	var dailyDict = [];
	for (var page of docs){	
		
		created_date = parseDateField(page).format('YYYY-MM-DD');
		//console.log(created_date);
		if (created_date in dailyDict){
			dailyDict[created_date] += 1;
		} else{
			dailyDict[created_date] = 1;
		}
	}
	return dailyDict;
}

async function notesCreatedHeatMap(...args){
	//console.log("function was called with ", ...args);
	//console.log('args.path = ', args[0].path);
	//console.log('args.exclude = ', args[0].exclude);
	// args.folder and args.exclude must be given as strings with '' containing the folder/excluded folder name as such '"folder"'
	if (typeof args[0].path === 'undefined') { args[0].path = '""';}
	path = args[0].path;
	//console.log(path);
	// creating the table
	var dailyDict = countNotesAtDates(path);
	console.log(dailyDict);
	const calendarData = {
		year: 2023,  // (optional) defaults to current year
		colors: {    // (optional) defaults to green
			blue:        ["#8cb9ff", "#69a3ff", "#428bff", "#1872ff", "#0058e2"], // first entry is considered default if supplied
			green:       ["#333333","#c6e48b", "#7bc96f", "#49af5d", "#2e8840", "#196127"],
			red:         ["#ff9e82", "#ff7b55", "#ff4d1a", "#e73400", "#bd2a00"],
			orange:      ["#ffa244", "#fd7f00", "#dd6f00", "#bf6000", "#9b4e00"],
			pink:        ["#ff96cb", "#ff70b8", "#ff3a9d", "#ee0077", "#c30062"],
			orangeToRed: ["#ffdf04", "#ffbe04", "#ff9a03", "#ff6d02", "#ff2c01"]
		},
		showCurrentDayBorder: false, // (optional) defaults to true
		defaultEntryIntensity: 0,   // (optional) defaults to 4
		intensityScaleStart: 2,    // (optional) defaults to lowest value passed to entries.intensity
		intensityScaleEnd: 10,     // (optional) defaults to highest value passed to entries.intensity
		entries: [],                // (required) populated in the DataviewJS loop below
	}

	for (const [key,value] of Object.entries(dailyDict)){
		//dv.span("<br>" + page.file.name) // uncomment for troubleshooting
		calendarData.entries.push({
			date: key,     // (required) Format YYYY-MM-DD
			intensity: value, // (required) the data you want to track, will map color intensities automatically
			color: 'green'
		})
	}
	return calendarData;
}

const calendarData = await notesCreatedHeatMap(input)
console.log(calendarData);
renderHeatmapCalendar(this.container, calendarData)