用 alert() 提示符合匹配规则的日志或未捕获异常，帮助开发者在日常使用网页时发现潜藏问题
目前为
// ==UserScript==
// @name [DEBUG] 显式日志
// @version 2.1.0.20210718
// @namespace laster2800
// @author Laster2800
// @description 用 alert() 提示符合匹配规则的日志或未捕获异常，帮助开发者在日常使用网页时发现潜藏问题
// @homepage https://greasyfork.org/zh-CN/scripts/429521
// @supportURL https://greasyfork.org/zh-CN/scripts/429521/feedback
// @license LGPL-3.0
// @include *
// @grant GM_registerMenuCommand
// @grant GM_unregisterMenuCommand
// @grant GM_setValue
// @grant GM_getValue
// @grant unsafeWindow
// @run-at document-start
// @incompatible firefox 完全不兼容 Greasemonkey，不完全兼容 Violentmonkey
// ==/UserScript==
(function() {
'use strict'
const gm = {
config: {},
fn: {
/**
* 获取封装日志函数
* @param {Object} console 控制台对象
* @param {Function} log 日志函数
* @param {string} type 类型
* @param {string} [source] 源
* @returns 封装日志函数
*/
wrappedLog(console, log, type, source) {
const config = gm.config
const fn = gm.fn
return function() {
log.apply(console, arguments)
if (config.enabled) {
const m = [arguments, type]
if (fn.match(m, config.include) && !fn.match(m, config.exclude)) {
let msg = null
if (arguments.length == 1) {
if (typeof arguments[0] == 'object') {
msg = JSON.stringify(arguments[0], null, 2)
} else {
msg = arguments[0]
}
} else {
msg = JSON.stringify(arguments, null, 2)
}
fn.explicit(msg, type, source)
}
}
}
},
/**
* 显式地显示信息
* @param {*} msg 信息
* @param {string} [type] 类型
* @param {string} [source] 源
*/
explicit(msg, type, source) {
alert(`【${GM_info.script.name}】${type ? `\nTYPE: ${type}` : ''}${source ? `\nSOURCE: ${source}` : ''}\n\n${msg}`)
},
/**
* @param {*} obj 匹配对象
* @param {RegExp} regex 匹配正则表达式
* @param {number} [depth=5] 匹配查找深度
* @returns {boolean} 是否匹配成功
*/
match(obj, regex, depth = 5) {
if (obj && regex && depth > 0) {
return core(obj, depth, new Set())
} else {
return false
}
function core(obj, depth, objSet) {
if (!obj) return false
for (const key in obj) {
if (regex.test(key)) {
return true
} else {
try {
const value = obj[key]
if (value !== undefined && value !== null) {
if (typeof value == 'object' || typeof value == 'function') {
if (regex.test(value.toString())) {
return true
} else if (depth > 1) {
if (!objSet.has(value)) {
objSet.add(value)
if (core(value, depth - 1)) {
return true
}
}
}
} else if (regex.test(String(value))) {
return true
}
}
} catch (e) {
// value that cannot be accessed
}
}
}
return false
}
},
},
}
unsafeWindow.gm429521 = gm
try {
const df = { include: '.*', exclude: '^LOG$' }
const gmInclude = GM_getValue('include') ?? df.include
const gmExclude = GM_getValue('exclude') ?? df.exclude
gm.config.enabled = GM_getValue('enabled') ?? true
gm.config.include = gmInclude ? new RegExp(gmInclude) : null
gm.config.exclude = gmExclude ? new RegExp(gmExclude) : null
// 日志
const console = unsafeWindow.console
for (const n of ['log', 'warn', 'error']) {
console[n] = gm.fn.wrappedLog(console, console[n], n.toUpperCase())
}
// 未捕获异常
unsafeWindow.addEventListener('error', function(event) { // 正常
if (!gm.config.enabled) return
const m = [event.message, event.filename, 'Uncaught Exception (Normal)']
if (gm.fn.match(m, gm.config.include) && !gm.fn.match(m, gm.config.exclude)) {
gm.fn.explicit(event.message, 'Uncaught Exception (Normal)')
}
})
unsafeWindow.addEventListener('unhandledrejection', function(event) { // from Promise
if (!gm.config.enabled) return
const m = [event.reason, 'Uncaught Exception (in Promise)']
if (gm.fn.match(m, gm.config.include) && !gm.fn.match(m, gm.config.exclude)) {
gm.fn.explicit(event.reason, 'Uncaught Exception (in Promise)')
}
})
// 菜单
if (self == top) { // frame 中不要执行
const initScriptMenu = () => {
const menuId = {}
menuId.enabled = GM_registerMenuCommand(`当前${gm.config.enabled ? '开启' : '关闭'}`, () => {
try {
gm.config.enabled = confirm(`【${GM_info.script.name}】\n\n「确定」以开启功能，「取消」以关闭功能。`)
GM_setValue('enabled', gm.config.enabled)
for (const id in menuId) {
GM_unregisterMenuCommand(menuId[id])
}
initScriptMenu()
} catch (e) {
gm.fn.explicit(e)
}
})
menuId.filter = GM_registerMenuCommand('设置过滤器', () => {
try {
const sInclude = prompt(`【${GM_info.script.name}】\n\n设置匹配过滤器：`, gm.config.include?.source ?? df.include)
if (typeof sInclude == 'string') {
gm.config.include = sInclude ? new RegExp(sInclude) : null
GM_setValue('include', sInclude)
}
const sExclude = prompt(`【${GM_info.script.name}】\n\n设置排除过滤器：`, gm.config.exclude?.source ?? df.exclude)
if (typeof sExclude == 'string') {
gm.config.exclude = sExclude ? new RegExp(sExclude) : null
GM_setValue('exclude', sExclude)
}
} catch (e) {
gm.fn.explicit(e)
}
})
menuId.help = GM_registerMenuCommand('使用说明', () => window.open('https://gitee.com/liangjiancang/userscript/tree/master/script/ExplicitLog#使用说明'))
}
initScriptMenu()
}
} catch (e) {
gm.fn.explicit(e)
}
})()