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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__ = `${window.config?.assetUrlPrefix ?? '/assets'}/`;
-
- const filteredErrors = new Set([
- 'getModifierState is not a function', // https://github.com/microsoft/monaco-editor/issues/4325
- ]);
-
- export function showGlobalErrorMessage(msg) {
- const pageContent = document.querySelector('.page-content');
- if (!pageContent) return;
-
- for (const filteredError of filteredErrors) {
- if (msg.includes(filteredError)) return;
- }
-
- // compact the message to a data attribute to avoid too many duplicated messages
- const msgCompact = msg.replace(/\W/g, '').trim();
- let msgDiv = pageContent.querySelector(`.js-global-error[data-global-error-msg-compact="${msgCompact}"]`);
- if (!msgDiv) {
- const el = document.createElement('div');
- el.innerHTML = `<div class="ui container negative message center aligned js-global-error tw-mt-[15px] tw-whitespace-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 ? ` (${msgCount})` : '');
- pageContent.prepend(msgDiv);
- }
-
- /**
- * @param {ErrorEvent|PromiseRejectionEvent} event - Event
- * @param {string} event.message - Only present on ErrorEvent
- * @param {string} event.error - Only present on ErrorEvent
- * @param {string} event.type - Only present on ErrorEvent
- * @param {string} event.filename - Only present on ErrorEvent
- * @param {number} event.lineno - Only present on ErrorEvent
- * @param {number} event.colno - Only present on ErrorEvent
- * @param {string} event.reason - Only present on PromiseRejectionEvent
- * @param {number} event.promise - Only present on PromiseRejectionEvent
- */
- function processWindowErrorEvent({error, reason, message, type, filename, lineno, colno}) {
- const err = error ?? reason;
- const assetBaseUrl = String(new URL(__webpack_public_path__, window.location.origin));
- const {runModeIsProd} = window.config ?? {};
-
- // `error` and `reason` are not guaranteed to be errors. If the value is falsy, it is likly a
- // non-critical event from the browser. We log them but don't show them to users. Examples:
- // - https://developer.mozilla.org/en-US/docs/Web/API/ResizeObserver#observation_errors
- // - https://github.com/mozilla-mobile/firefox-ios/issues/10817
- // - https://github.com/go-gitea/gitea/issues/20240
- if (!err) {
- if (message) console.error(new Error(message));
- if (runModeIsProd) return;
- }
-
- // If the error stack trace does not include the base URL of our script assets, it likely came
- // from a browser extension or inline script. Do not show such errors in production.
- if (err instanceof Error && !err.stack?.includes(assetBaseUrl) && runModeIsProd) {
- return;
- }
-
- let msg = err?.message ?? message;
- if (lineno) msg += ` (${filename} @ ${lineno}:${colno})`;
- const dot = msg.endsWith('.') ? '' : '.';
- const renderedType = type === 'unhandledrejection' ? 'promise rejection' : type;
- showGlobalErrorMessage(`JavaScript ${renderedType}: ${msg}${dot} 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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