192 lines
4.1 KiB
JavaScript
192 lines
4.1 KiB
JavaScript
import console from './console'
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import { isArrayOrObject, TimeUtil, isInstanceOfError, stringifyError } from './common-utils'
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const LOGLEVEL_DEBUG = -1
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const LOGLEVEL_LOG = 0
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const LOGLEVEL_INFO = 1
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const LOGLEVEL_WARN = 2
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const LOGLEVEL_ERROR = 3
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const LOGLEVEL_NON_LOGGING = 4 // 无日志记录级别，sdk将不打印任何日志
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const MAX_LOG_LENGTH = 1000
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let globalLevel = LOGLEVEL_LOG
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// 暂停使用 wx.getLogManager，没发现它能起到什么作用
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const bCanIUseWxLog = false
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const timerMap = new Map()
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/**
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* 对齐毫秒字符串
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* @param {*} ms 毫秒
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* @returns {String} 对齐后的毫秒时间字符串
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*/
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function padMs(ms) {
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const len = ms.toString().length
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let ret
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switch (len) {
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case 1:
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ret = `00${ms}`
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break
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case 2:
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ret = `0${ms}`
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break
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default:
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ret = ms
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break
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}
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return ret
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}
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/**
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* log前缀
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* @returns {String} 日志前缀
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*/
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function getPrefix() {
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const date = new Date()
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return `TUIKit ${date.toLocaleTimeString('en-US', { hour12: false })}.${padMs(date.getMilliseconds())}:`
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}
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const logger = {
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_data: [],
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_length: 0,
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_visible: false,
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// 将函数参数拼成字符串
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arguments2String(args) {
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let s
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if (args.length === 1) {
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s = getPrefix() + args[0]
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} else {
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s = getPrefix()
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for (let i = 0, { length } = args; i < length; i++) {
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if (isArrayOrObject(args[i])) {
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if (isInstanceOfError(args[i])) {
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s += stringifyError(args[i])
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} else {
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s += JSON.stringify(args[i])
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}
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} else {
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s += args[i]
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}
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s += ' '
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}
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}
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return s
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},
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/**
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* 打印调试日志
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*/
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debug() {
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if (globalLevel <= LOGLEVEL_DEBUG) {
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// 对参数使用slice会阻止某些JavaScript引擎中的优化 (比如 V8 - 更多信息)
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// see:https://github.com/petkaantonov/bluebird/wiki/Optimization-killers#3-managing-arguments
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const s = this.arguments2String(arguments)
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logger.record(s, 'debug')
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console.debug(s)
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if (bCanIUseWxLog) {
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wx.getLogManager().debug(s)
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}
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}
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},
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/**
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* 打印普通日志
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*/
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log() {
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if (globalLevel <= LOGLEVEL_LOG) {
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const s = this.arguments2String(arguments)
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logger.record(s, 'log')
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console.log(s)
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if (bCanIUseWxLog) {
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wx.getLogManager().log(s)
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}
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}
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},
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/**
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* 打印release日志
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*/
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info() {
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if (globalLevel <= LOGLEVEL_INFO) {
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const s = this.arguments2String(arguments)
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logger.record(s, 'info')
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console.info(s)
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if (bCanIUseWxLog) {
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wx.getLogManager().info(s)
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}
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}
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},
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/**
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* 打印告警日志
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*/
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warn() {
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if (globalLevel <= LOGLEVEL_WARN) {
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const s = this.arguments2String(arguments)
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logger.record(s, 'warn')
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console.warn(s)
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if (bCanIUseWxLog) {
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wx.getLogManager().warn(s)
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}
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}
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},
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/**
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* 打印错误日志
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*/
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error() {
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if (globalLevel <= LOGLEVEL_ERROR) {
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const s = this.arguments2String(arguments)
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logger.record(s, 'error')
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console.error(s)
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// 微信写不了error日志，就用warn代替了
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if (bCanIUseWxLog) {
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wx.getLogManager().warn(s)
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}
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}
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},
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time(label) {
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timerMap.set(label, TimeUtil.now())
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},
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timeEnd(label) {
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if (timerMap.has(label)) {
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const cost = TimeUtil.now() - timerMap.get(label)
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timerMap.delete(label)
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return cost
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}
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console.warn(`未找到对应label: ${label}, 请在调用 logger.timeEnd 前，调用 logger.time`)
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return 0
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},
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setLevel(newLevel) {
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if (newLevel < LOGLEVEL_NON_LOGGING) {
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console.log(`${getPrefix()} set level from ${globalLevel} to ${newLevel}`)
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}
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globalLevel = newLevel
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},
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record(s, type) {
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if (bCanIUseWxLog) {
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// 小程序环境不在内存缓存日志
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return
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}
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if (logger._length === MAX_LOG_LENGTH + 100) {
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logger._data.splice(0, 100)
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logger._length = MAX_LOG_LENGTH
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}
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logger._length++
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logger._data.push(`${s} [${type}] \n`)
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},
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getLog() {
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return logger._data
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},
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}
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export default logger
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