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- // 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__ = `${window.config?.assetUrlPrefix ?? '/assets'}/`;
-
- export function showGlobalErrorMessage(msg) {
- const pageContent = document.querySelector('.page-content');
- if (!pageContent) return;
-
- // compact the message to a data attribute to avoid too many duplicated messages
- const msgCompact = msg.replace(/\W/g, '').trim();
- let msgDiv = pageContent.querySelector(`.js-global-error[data-global-error-msg-compact="${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);
- }
-
- /**
- * @param {ErrorEvent} e
- */
- function processWindowErrorEvent(e) {
- const err = e.error ?? e.reason;
- const assetBaseUrl = String(new URL(__webpack_public_path__, window.location.origin));
-
- // error is likely from browser extension or inline script. Do not show these in production builds.
- if (!err.stack?.includes(assetBaseUrl) && window.config?.runModeIsProd) return;
-
- let message;
- if (e.type === 'unhandledrejection') {
- message = `JavaScript promise rejection: ${err.message}.`;
- } else {
- message = `JavaScript error: ${e.message} (${e.filename} @ ${e.lineno}:${e.colno}).`;
- }
-
- 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(`${message} Open browser console to see more details.`);
- }
-
- function initGlobalErrorHandler() {
- if (window._globalHandlerErrors?._inited) {
- showGlobalErrorMessage(`The global error handler has been initialized, do not initialize it again`);
- return;
- }
- 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 = {_inited: true, push: (e) => processWindowErrorEvent(e)};
- }
-
- initGlobalErrorHandler();
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