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51 lines
2.4 KiB
JavaScript
51 lines
2.4 KiB
JavaScript
import {joinPaths} from './utils.js';
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// 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 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__ = joinPaths(window?.config?.assetUrlPrefix ?? '/', '/');
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export function showGlobalErrorMessage(msg) {
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const pageContent = document.querySelector('.page-content');
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if (!pageContent) return;
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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" style="white-space: pre-line;"></div>`;
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el.childNodes[0].textContent = msg;
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pageContent.prepend(el.childNodes[0]);
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}
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/**
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* @param {ErrorEvent} e
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*/
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function processWindowErrorEvent(e) {
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if (!e.error && e.lineno === 0 && e.colno === 0 && e.filename === '' && window.navigator.userAgent.includes('FxiOS/')) {
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// At the moment, Firefox (iOS) (10x) has an engine bug. See https://github.com/go-gitea/gitea/issues/20240
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// 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.
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return; // ignore such nonsense error event
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}
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// Wait for upstream fix: https://github.com/microsoft/monaco-editor/issues/2962
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if (e.message.includes('Language id "vs.editor.nullLanguage" is not configured nor known')) return;
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showGlobalErrorMessage(`JavaScript error: ${e.message} (${e.filename} @ ${e.lineno}:${e.colno}). Open browser console to see more details.`);
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}
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function initGlobalErrorHandler() {
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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
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// the handler calls `_globalHandlerErrors.push` (array method) to record all errors occur before this init
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// 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 events directly
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window._globalHandlerErrors = {'push': (e) => processWindowErrorEvent(e)};
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}
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initGlobalErrorHandler();
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