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"use strict";
// Kindly copied from MartijnBraam's fathub sources
// https://sr.ht/~martijnbraam/fathub.org/
var serve_fraction = 1.0;
function update_ingredient_list() {
var ingredients = document.querySelectorAll('td[data-amount]');
for (var i = 0; i < ingredients.length; i++) {
var ingredient = ingredients[i];
ingredient.innerText = ingredient.dataset.amount * serve_fraction;
}
}
function adjust_serves() {
serve_fraction = this.value / this.dataset.original;
update_ingredient_list();
}
function add_dynamic_controls() {
var serves = document.querySelector("td[data-serves]");
var spinner = document.createElement('INPUT');
spinner.type = 'number';
spinner.dataset.original = serves.dataset.serves;
spinner.value = serves.dataset.serves;
spinner.addEventListener('change', adjust_serves);
serves.innerHTML = '';
serves.appendChild(spinner);
}
document.addEventListener("DOMContentLoaded", function () {
add_dynamic_controls();
});
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