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/** * @param {String} msg 错误信息 * @param {String} url 出错文件 * @param {Number} line 行号 * @param {Number} col 列号 * @param {Object} error 错误详细信息 */ startErrorLog = () => { window.onerror = (msg, url, line, col, error) => { //没有URL不上报!上报也不知道错误 if (msg != "Script error." && !url){ return true; } //采用异步的方式 //我遇到过在window.onunload进行ajax的堵塞上报 //由于客户端强制关闭webview导致这次堵塞上报有Network Error //我猜测这里window.onerror的执行流在关闭前是必然执行的 //而离开文章之后的上报对于业务来说是可丢失的 //所以我把这里的执行流放到异步事件去执行 //脚本的异常数降低了10倍 setTimeout(() => { var data = {}; //不一定所有浏览器都支持col参数 col = col || (window.event && window.event.errorCharacter) || 0; data.url = url; data.line = line; data.col = col; if (!!error && !!error.stack){ //如果浏览器有堆栈信息 //直接使用 data.msg = error.stack.toString(); }else if (!!arguments.callee){ //尝试通过callee拿堆栈信息 var ext = []; var f = arguments.callee.caller, c = 3; //这里只拿三层堆栈信息 while (f && (--c > 0)) { ext.push(f.toString()); if (f === f.caller) { break;//如果有环 } f = f.caller; } ext = ext.join(","); data.msg = error.stack.toString(); } //把data上报到后台! console.log('全局error上报', data); }, 0); return true; }; // 当Promise 被reject并且没有得到处理的时候,会触发unhandledrejection事件 window.addEventListener('unhandledrejection', (e) => { const error = e && e.reason const message = error.message || ''; const stack = error.stack || ''; // Processing error let resourceUrl, col, line; let errs = stack.match(/\(.+?\)/) if (errs && errs.length) errs = errs[0] errs = errs.replace(/\w.+[js|html]/g, $1 => { resourceUrl = $1; return ''; }) errs = errs.split(':') if (errs && errs.length > 1) line = parseInt(errs[1] || 0); col = parseInt(errs[2] || 0) // let defaults = Object.assign({}, errordefo); let defaults = {}; defaults.msg = message; defaults.method = 'GET'; defaults.t = new Date().getTime(); defaults.data = { resourceUrl: resourceUrl, line: col, col: line }; console.log('全局unhandledrejection上报', defaults) }); }
import React from 'react'; const WithErrorHandler = (WrappedComponent) => { class ErrorHandler extends React.Component { constructor() { super() this.state = { hasError: false, } } componentDidCatch(error, info) { let { message, stack } = error; // Processing error let resourceUrl, col, line; let errs = stack.match(/\(.+?\)/); if (errs && errs.length) errs = errs[0]; errs = errs.replace(/\w.+js/g, $1 => { resourceUrl = $1; return ''; }); errs = errs.split(':'); if (errs && errs.length > 1) line = parseInt(errs[1] || 0); col = parseInt(errs[2] || 0); this.setState({ hasError: true, }, () => { console.log('TODO组件渲染异常上报=>', error, info.componentStack); window.logger.error({ action: '组件渲染', ErrorMessage: message, ErrorLineNo: line, ErrorColNo: col, ErrorUrl: resourceUrl, ErrorStack: info.componentStack }); } ); // errorCallback(error, info, this.props); } componentWillUnmount() { this.setState = (state, callback) => { return } } render() { console.log('渲染组件props', this.props) // if (this.state.hasError) { // // 处理异常上报组件 // return <h1>wrong</h1> // } return <WrappedComponent {...this.props} /> } } return ErrorHandler; } export default WithErrorHandler;
const express = require('express'); const fs = require('fs'); const router = express.Router(); const fetch = require('node-fetch'); const sourceMap = require('source-map'); const path = require('path'); const resolve = file => path.resolve(__dirname, file); // 定义post接口 router.post('/errorMsg/', function(req, res) { let error = req.body; // 获取前端传过来的报错对象 let url = error.scriptURI; // 压缩文件路径 if (url) { let fileUrl = url.slice(url.indexOf('client/')) + '.map'; // map文件路径 // 解析sourceMap let smc = new sourceMap.SourceMapConsumer(fs.readFileSync(resolve('../' + fileUrl), 'utf8')); // 返回一个promise对象 smc.then(function(result) { // 解析原始报错数据 let ret = result.originalPositionFor({ line: error.lineNo, // 压缩后的行号 column: error.columnNo // 压缩后的列号 }); let url = ''; // 上报地址 // 将异常上报至后台 fetch(url, { method: 'POST', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify({ errorMessage: error.errorMessage, // 报错信息 source: ret.source, // 报错文件路径 line: ret.line, // 报错文件行号 column: ret.column, // 报错文件列号 stack: error.stack // 报错堆栈 }) }).then(function(response) { return response.json(); }).then(function(json) { res.json(json); }); }) } }); module.exports = router;
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// window.addEventListener('error', (e) => { // let defaults = {}; // defaults.msg = e.target.localName + ' is load error'; // defaults.method = 'GET' // defaults.data = { // target: e.target.localName, // type: e.type, // resourceUrl: e.target.href || e.target.currentSrc, // }; // if (e.target != window) { // // 没有执行 // window.logger.error({ action: 'global error', msg: defaults.msg }); // } // console.log('TODO1全局error上报=>', defaults); // }, true); window.addEventListener('error', (e) => { // 资源异常报错上传 let { error } = e; // XXX Ignore errors that will be processed by componentDidCatch. // SEE: https://github.com/facebook/react/issues/10474 if (error.stack && error.stack.indexOf('invokeGuardedCallbackDev') >= 0) { return true; } // Original event handler here... let defaults = {}; defaults.msg = e.target.localName + ' is load error'; defaults.method = 'GET' defaults.resourceUrl = e.target.href || e.target.currentSrc; defaults.targetDOMPath = e.target.localName; if (e.target != window) { // 没有执行 window.logger.error({ action: 'global error', msg: defaults.msg }); } console.log('TODO1全局error上报=>', defaults); });
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