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const expandedClass = "e-content--expanded";
export function toggleContentExpanded(id) {
const content = document.querySelector(`[data-content-id="${id}"]`);
const button = document.querySelector(`[data-content-id="${id}"] + button`);
if (!content) {
throw new Error(`No content found with ID: ${id}`);
}
const classes = content.getAttribute("class").split(" ");
const wasExpanded = classes.includes(expandedClass);
if (wasExpanded) {
const newClasses = classes.filter((c) => c != expandedClass);
content.setAttribute("class", newClasses.join(" "));
} else {
content.setAttribute("class", [...classes, expandedClass].join(" "));
}
if (!button) {
console.warn(
`Toggled content expansion, but no button next to content with ID: ${id}`,
);
} else {
if (wasExpanded) {
button.textContent = "Read more";
} else {
button.textContent = "Read less";
}
}
}
export function addExpandItemButtons() {
for (const content of document.querySelectorAll(".e-content")) {
const contentId = crypto.randomUUID();
content.setAttribute("data-content-id", contentId);
const button = document.createElement("button");
button.textContent = "Read more";
button.addEventListener("click", () => toggleContentExpanded(contentId));
content.insertAdjacentElement("afterend", button);
}
}
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