demarches-normaliennes/app/javascript/shared/utils.js
2018-10-10 15:05:51 +02:00

60 lines
1.4 KiB
JavaScript

import Rails from 'rails-ujs';
import $ from 'jquery';
import debounce from 'debounce';
export { debounce };
export const { fire } = Rails;
export function show({ classList }) {
classList.remove('hidden');
}
export function hide({ classList }) {
classList.add('hidden');
}
export function toggle({ classList }) {
classList.toggle('hidden');
}
export function delegate(eventNames, selector, callback) {
eventNames
.split(' ')
.forEach(eventName =>
Rails.delegate(document, selector, eventName, callback)
);
}
export function getJSON(url, data, method = 'get') {
data = method !== 'get' ? JSON.stringify(data) : data;
return $.ajax({
method,
url,
data,
contentType: 'application/json',
dataType: 'json'
});
}
export function scrollTo(container, scrollTo) {
container.scrollTop =
offset(scrollTo).top - offset(container).top + container.scrollTop;
}
export function scrollToBottom(container) {
container.scrollTop = container.scrollHeight;
}
export function on(selector, eventName, fn) {
[...document.querySelectorAll(selector)].forEach(element =>
element.addEventListener(eventName, event => fn(event, event.detail))
);
}
function offset(element) {
const rect = element.getBoundingClientRect();
return {
top: rect.top + document.body.scrollTop,
left: rect.left + document.body.scrollLeft
};
}