export function showGlobalErrorMessage(msg) {
const pageContent = document.querySelector('.page-content');
if (!pageContent) return;
- const el = document.createElement('div');
- el.innerHTML = `<div class="ui container negative message center aligned js-global-error" style="white-space: pre-line;"></div>`;
- el.childNodes[0].textContent = msg;
- pageContent.prepend(el.childNodes[0]);
+
+ // compact the message to a data attribute to avoid too many duplicated messages
+ const msgCompact = msg.replace(/\W/g, '').trim();
+ let msgDiv = pageContent.querySelector(`.js-global-error[data-global-error-msg-compact="${msgCompact}"]`);
+ if (!msgDiv) {
+ const el = document.createElement('div');
+ el.innerHTML = `<div class="ui container negative message center aligned js-global-error" style="white-space: pre-line;"></div>`;
+ msgDiv = el.childNodes[0];
+ }
+ // merge duplicated messages into "the message (count)" format
+ const msgCount = Number(msgDiv.getAttribute(`data-global-error-msg-count`)) + 1;
+ msgDiv.setAttribute(`data-global-error-msg-compact`, msgCompact);
+ msgDiv.setAttribute(`data-global-error-msg-count`, msgCount.toString());
+ msgDiv.textContent = msg + (msgCount > 1 ? ` (${msgCount})` : '');
+ pageContent.prepend(msgDiv);
}
/**
--- /dev/null
+import {showGlobalErrorMessage} from './bootstrap.js';
+
+test('showGlobalErrorMessage', () => {
+ document.body.innerHTML = '<div class="page-content"></div>';
+ showGlobalErrorMessage('test msg 1');
+ showGlobalErrorMessage('test msg 2');
+ showGlobalErrorMessage('test msg 1'); // duplicated
+
+ expect(document.body.innerHTML).toContain('>test msg 1 (2)<');
+ expect(document.body.innerHTML).toContain('>test msg 2<');
+ expect(document.querySelectorAll('.js-global-error').length).toEqual(2);
+});