demarches-normaliennes/app/javascript/new_design/autosave.js
2019-11-21 14:00:06 +01:00

84 lines
2.3 KiB
JavaScript

import AutosaveController from './autosave-controller.js';
import {
debounce,
delegate,
fire,
enable,
disable,
hasClass,
addClass,
removeClass
} from '@utils';
const AUTOSAVE_DEBOUNCE_DELAY = 3000; // 3 seconds
const AUTOSAVE_STATUS_VISIBLE_DURATION = 6000; // 5 seconds
const autosaveController = new AutosaveController(AUTOSAVE_DEBOUNCE_DELAY);
// Whenever a 'change' event is triggered on one of the form inputs, try to autosave.
const formSelector = 'form#dossier-edit-form.autosave-enabled';
const formInputsSelector = `${formSelector} input, ${formSelector} select, ${formSelector} textarea`;
delegate(
'change',
formInputsSelector,
debounce(() => {
const form = document.querySelector(formSelector);
autosaveController.enqueueAutosaveRequest(form);
}, AUTOSAVE_DEBOUNCE_DELAY)
);
delegate('click', '.autosave-retry', () => {
const form = document.querySelector(formSelector);
autosaveController.enqueueAutosaveRequest(form);
});
// Display some UI during the autosave
addEventListener('autosave:enqueue', () => {
disable(document.querySelector('button.autosave-retry'));
});
addEventListener('autosave:end', () => {
enable(document.querySelector('button.autosave-retry'));
setState('succeeded');
hideSucceededStatusAfterDelay();
});
addEventListener('autosave:error', event => {
enable(document.querySelector('button.autosave-retry'));
setState('failed');
logError(event.detail);
});
function setState(state) {
const autosave = document.querySelector('.autosave');
if (autosave) {
// Re-apply the state even if already present, to get a nice animation
removeClass(autosave, 'autosave-state-idle');
removeClass(autosave, 'autosave-state-succeeded');
removeClass(autosave, 'autosave-state-failed');
autosave.offsetHeight; // flush animations
addClass(autosave, `autosave-state-${state}`);
}
}
function hideSucceededStatus() {
const autosave = document.querySelector('.autosave');
if (hasClass(autosave, 'autosave-state-succeeded')) {
setState('idle');
}
}
const hideSucceededStatusAfterDelay = debounce(
hideSucceededStatus,
AUTOSAVE_STATUS_VISIBLE_DURATION
);
function logError(error) {
if (error && error.message) {
error.message = `[Autosave] ${error.message}`;
console.error(error);
fire(document, 'sentry:capture-exception', error);
}
}