import {joinPaths} from './utils.js'; // DO NOT IMPORT window.config HERE! // to make sure the error handler always works, we should never import `window.config`, because some user's custom template breaks it. // This sets up the URL prefix used in webpack's chunk loading. // This file must be imported before any lazy-loading is being attempted. __webpack_public_path__ = joinPaths(window?.config?.assetUrlPrefix ?? '/', '/'); 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]); } /** * @param {ErrorEvent} e */ function processWindowErrorEvent(e) { if (!e.error && e.lineno === 0 && e.colno === 0 && e.filename === '' && window.navigator.userAgent.includes('FxiOS/')) { // At the moment, Firefox (iOS) (10x) has an engine bug. See https://github.com/go-gitea/gitea/issues/20240 // If a script inserts a newly created (and content changed) element into DOM, there will be a nonsense error event reporting: Script error: line 0, col 0. return; // ignore such nonsense error event } showGlobalErrorMessage(`JavaScript error: ${e.message} (${e.filename} @ ${e.lineno}:${e.colno}). Open browser console to see more details.`); } function initGlobalErrorHandler() { if (!window.config) { showGlobalErrorMessage(`Gitea JavaScript code couldn't run correctly, please check your custom templates`); } // we added an event handler for window error at the very beginning of <script> of page head // the handler calls `_globalHandlerErrors.push` (array method) to record all errors occur before this init // then in this init, we can collect all error events and show them for (const e of window._globalHandlerErrors || []) { processWindowErrorEvent(e); } // then, change _globalHandlerErrors to an object with push method, to process further error events directly window._globalHandlerErrors = {'push': (e) => processWindowErrorEvent(e)}; } initGlobalErrorHandler();