showReadingTime.js

// copyright 2023 Blue Linden - CC-BY-NC-SA
// for use on SNOsites newspaper websites; it ain't guaranteed to work anywhere else.
(function showReadingTime() {
	let storyMeta = document.querySelector('#storymeta p');
	let readingTimeIndicator = document.createElement('span');
	readingTimeIndicator.setAttribute('id','readingTimeIndicator');
	storyMeta.appendChild(readingTimeIndicator);
	let divider = document.createElement('span');
	divider.setAttribute('class','byline-divider');
	divider.innerText = '|'
	let readTextWrapper = document.createElement('span');
	readTextWrapper.setAttribute('id','rtwrap');
	let readText = document.createElement('span')
	readText.innerText = " minute read"
	let readTimeNumber = document.createElement('span');
	readTimeNumber.setAttribute('id','readTimeNumber');
	
	var text = document.querySelector('.storycontent').innerText
	const wpm = 225;
	const words = text.trim().split(/\s+/).length;
	const time = Math.ceil(words / wpm);

	readTimeNumber.innerText = time;
	readingTimeIndicator.appendChild(divider);
	readingTimeIndicator.appendChild(readTextWrapper);
	readTextWrapper.appendChild(readTimeNumber);
	readTextWrapper.appendChild(readText);
})();