mirror of
https://github.com/go-gitea/gitea.git
synced 2024-12-15 02:57:19 +01:00
97 lines
4.6 KiB
JavaScript
97 lines
4.6 KiB
JavaScript
// DO NOT IMPORT window.config HERE!
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// to make sure the error handler always works, we should never import `window.config`, because
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// some user's custom template breaks it.
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// This sets up the URL prefix used in webpack's chunk loading.
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// This file must be imported before any lazy-loading is being attempted.
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__webpack_public_path__ = `${window.config?.assetUrlPrefix ?? '/assets'}/`;
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function shouldIgnoreError(err) {
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const ignorePatterns = [
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'/assets/js/monaco.', // https://github.com/go-gitea/gitea/issues/30861 , https://github.com/microsoft/monaco-editor/issues/4496
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];
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for (const pattern of ignorePatterns) {
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if (err.stack?.includes(pattern)) return true;
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}
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return false;
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}
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export function showGlobalErrorMessage(msg) {
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const msgContainer = document.querySelector('.page-content') ?? document.body;
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const msgCompact = msg.replace(/\W/g, '').trim(); // compact the message to a data attribute to avoid too many duplicated messages
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let msgDiv = msgContainer.querySelector(`.js-global-error[data-global-error-msg-compact="${msgCompact}"]`);
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if (!msgDiv) {
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const el = document.createElement('div');
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el.innerHTML = `<div class="ui container negative message center aligned js-global-error tw-mt-[15px] tw-whitespace-pre-line"></div>`;
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msgDiv = el.childNodes[0];
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}
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// merge duplicated messages into "the message (count)" format
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const msgCount = Number(msgDiv.getAttribute(`data-global-error-msg-count`)) + 1;
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msgDiv.setAttribute(`data-global-error-msg-compact`, msgCompact);
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msgDiv.setAttribute(`data-global-error-msg-count`, msgCount.toString());
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msgDiv.textContent = msg + (msgCount > 1 ? ` (${msgCount})` : '');
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msgContainer.prepend(msgDiv);
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}
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/**
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* @param {ErrorEvent|PromiseRejectionEvent} event - Event
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* @param {string} event.message - Only present on ErrorEvent
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* @param {string} event.error - Only present on ErrorEvent
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* @param {string} event.type - Only present on ErrorEvent
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* @param {string} event.filename - Only present on ErrorEvent
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* @param {number} event.lineno - Only present on ErrorEvent
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* @param {number} event.colno - Only present on ErrorEvent
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* @param {string} event.reason - Only present on PromiseRejectionEvent
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* @param {number} event.promise - Only present on PromiseRejectionEvent
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*/
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function processWindowErrorEvent({error, reason, message, type, filename, lineno, colno}) {
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const err = error ?? reason;
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const assetBaseUrl = String(new URL(__webpack_public_path__, window.location.origin));
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const {runModeIsProd} = window.config ?? {};
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// `error` and `reason` are not guaranteed to be errors. If the value is falsy, it is likely a
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// non-critical event from the browser. We log them but don't show them to users. Examples:
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// - https://developer.mozilla.org/en-US/docs/Web/API/ResizeObserver#observation_errors
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// - https://github.com/mozilla-mobile/firefox-ios/issues/10817
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// - https://github.com/go-gitea/gitea/issues/20240
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if (!err) {
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if (message) console.error(new Error(message));
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if (runModeIsProd) return;
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}
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if (err instanceof Error) {
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// If the error stack trace does not include the base URL of our script assets, it likely came
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// from a browser extension or inline script. Do not show such errors in production.
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if (!err.stack?.includes(assetBaseUrl) && runModeIsProd) return;
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// Ignore some known errors that are unable to fix
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if (shouldIgnoreError(err)) return;
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}
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let msg = err?.message ?? message;
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if (lineno) msg += ` (${filename} @ ${lineno}:${colno})`;
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const dot = msg.endsWith('.') ? '' : '.';
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const renderedType = type === 'unhandledrejection' ? 'promise rejection' : type;
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showGlobalErrorMessage(`JavaScript ${renderedType}: ${msg}${dot} Open browser console to see more details.`);
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}
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function initGlobalErrorHandler() {
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if (window._globalHandlerErrors?._inited) {
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showGlobalErrorMessage(`The global error handler has been initialized, do not initialize it again`);
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return;
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}
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if (!window.config) {
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showGlobalErrorMessage(`Gitea JavaScript code couldn't run correctly, please check your custom templates`);
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}
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// we added an event handler for window error at the very beginning of <script> of page head the
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// handler calls `_globalHandlerErrors.push` (array method) to record all errors occur before
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// this init then in this init, we can collect all error events and show them.
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for (const e of window._globalHandlerErrors || []) {
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processWindowErrorEvent(e);
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}
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// then, change _globalHandlerErrors to an object with push method, to process further error
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// events directly
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window._globalHandlerErrors = {_inited: true, push: (e) => processWindowErrorEvent(e)};
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}
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initGlobalErrorHandler();
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