|
| 1 | +const initAccordions = () => { |
| 2 | + const accordions = [...document.querySelectorAll("[data-accordion]")]; |
| 3 | + accordions.forEach((node) => { |
| 4 | + const panels = [ |
| 5 | + ...document.querySelectorAll("[data-accordion-panel]", node), |
| 6 | + ]; |
| 7 | + |
| 8 | + panels.forEach((panel, i) => { |
| 9 | + const isFirst = i === 0; |
| 10 | + |
| 11 | + const toggle = panel.querySelector("[data-accordion-toggle]"); |
| 12 | + const content = panel.querySelector("[data-accordion-content]"); |
| 13 | + |
| 14 | + if (!toggle || !content) { |
| 15 | + return; |
| 16 | + } |
| 17 | + |
| 18 | + toggle.addEventListener("click", () => { |
| 19 | + const wasOpen = toggle.getAttribute("aria-pressed") === "true"; |
| 20 | + const isOpen = !wasOpen; |
| 21 | + |
| 22 | + toggle.setAttribute("aria-pressed", isOpen); |
| 23 | + toggle.setAttribute("aria-expanded", isOpen); |
| 24 | + content.hidden = !isOpen; |
| 25 | + }); |
| 26 | + |
| 27 | + // All panels are open by default. When JS kicks in, the first panel stays open, |
| 28 | + // other panels are closed. |
| 29 | + if (isFirst) { |
| 30 | + toggle.setAttribute("aria-pressed", true); |
| 31 | + toggle.setAttribute("aria-expanded", true); |
| 32 | + content.hidden = false; |
| 33 | + } else { |
| 34 | + toggle.setAttribute("aria-pressed", false); |
| 35 | + toggle.setAttribute("aria-expanded", false); |
| 36 | + content.hidden = true; |
| 37 | + } |
| 38 | + }); |
| 39 | + }); |
| 40 | +}; |
| 41 | + |
| 42 | +document.addEventListener('DOMContentLoaded', () => { |
| 43 | + initAccordions(); |
| 44 | +}); |
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