STRML/bat-download.js

## bat-download.js
async function ensureCarouselVisible() {
  const imgWrap = document.elementFromPoint(100, 100);
  if (!imgWrap.classList.contains('pswp__item')) {
    // carousel isn't active, make it so
    document.querySelector('.gallery img').click();
    while (!document.elementFromPoint(100, 100).classList.contains('pswp__item')) {
      await delay(50);
    }
  }
}

function delay(ms) {
  return new Promise((resolve) => setTimeout(resolve, ms));
}

// Find the active image, surround it in an anchor tag, then click it.
async function downloadImage() {
  const imgWrap = document.elementFromPoint(100, 100);
  const img = imgWrap.querySelector('.pswp__img');
  if (!img || !img.src) {
    throw new Error("All images downloaded or next image not found.");
  }
  // Full image hasn't loaded yet, so change the src
  const src = img.src
    .split('?')[0] // get rid of querystring
    .replace('-scaled', ''); // Remove `-scaled` to attempt to get the full res image
  return downloadSrc(src);
}

// Create an anchor then download from it
function downloadSrc(src) {
  const a = document.createElement('a');
  a.href = src;
  a.download = "";
  a.click();
}

function nextImage() {
  document.querySelector('.pswp__button.pswp__button--arrow--right').click();
}

function getCounterValue() {
  const [position, total] = document.querySelector('.pswp__counter').textContent.split('/');
  return parseInt(position.trim(), 10);
}

async function run() {
  await ensureCarouselVisible();
  await delay(500);
  const firstValue = getCounterValue();

  async function preloadLoop() {
    nextImage();
    await delay(50);
    if (getCounterValue() !== firstValue) return preloadLoop(); // recurse
  }

  async function imageLoop() {
    try {
      await downloadImage();
    } catch (e) {
      console.log('done!');
      return;
    }
    nextImage();
    await delay(100);
    // console.log('counter', getCounterValue());
    if (getCounterValue() !== firstValue) return imageLoop(); // recurse
  }
  console.log('Running image preload, please wait...');
  await preloadLoop();
  console.log('Running download...');
  return imageLoop();
}

run()
  .then(() =>
    console.log('Download initiated, please wait until your download folder contains the full number of items.'))
  .catch(console.error);
	async function ensureCarouselVisible() {
	const imgWrap = document.elementFromPoint(100, 100);
	if (!imgWrap.classList.contains('pswp__item')) {
	// carousel isn't active, make it so
	document.querySelector('.gallery img').click();
	while (!document.elementFromPoint(100, 100).classList.contains('pswp__item')) {
	await delay(50);
	}
	}
	}

	function delay(ms) {
	return new Promise((resolve) => setTimeout(resolve, ms));
	}

	// Find the active image, surround it in an anchor tag, then click it.
	async function downloadImage() {
	const imgWrap = document.elementFromPoint(100, 100);
	const img = imgWrap.querySelector('.pswp__img');
	if (!img \|\| !img.src) {
	throw new Error("All images downloaded or next image not found.");
	}
	// Full image hasn't loaded yet, so change the src
	const src = img.src
	.split('?')[0] // get rid of querystring
	.replace('-scaled', ''); // Remove `-scaled` to attempt to get the full res image
	return downloadSrc(src);
	}

	// Create an anchor then download from it
	function downloadSrc(src) {
	const a = document.createElement('a');
	a.href = src;
	a.download = "";
	a.click();
	}

	function nextImage() {
	document.querySelector('.pswp__button.pswp__button--arrow--right').click();
	}

	function getCounterValue() {
	const [position, total] = document.querySelector('.pswp__counter').textContent.split('/');
	return parseInt(position.trim(), 10);
	}

	async function run() {
	await ensureCarouselVisible();
	await delay(500);
	const firstValue = getCounterValue();

	async function preloadLoop() {
	nextImage();
	await delay(50);
	if (getCounterValue() !== firstValue) return preloadLoop(); // recurse
	}

	async function imageLoop() {
	try {
	await downloadImage();
	} catch (e) {
	console.log('done!');
	return;
	}
	nextImage();
	await delay(100);
	// console.log('counter', getCounterValue());
	if (getCounterValue() !== firstValue) return imageLoop(); // recurse
	}
	console.log('Running image preload, please wait...');
	await preloadLoop();
	console.log('Running download...');
	return imageLoop();
	}

	run()
	.then(() =>
	console.log('Download initiated, please wait until your download folder contains the full number of items.'))
	.catch(console.error);