ph-utils/lib/logger.js

js 开发工具集，前后端都可以使用(commonjs和es module)

import { format } from "./date";
/**
 * 日志记录器
 */
export class Logger {
    /** 构造日志记录器 */
    constructor(option) {
        /** 日志级别 */
        this.levels = ["debug", "info", "warn", "error", "fatal"];
        this.colors = {
            debug: "#909399",
            info: "#1677ff",
            warn: "#fadb14",
            error: "#eb2f96",
        };
        this.setOption(option || {});
    }
    setOption(option) {
        let opts = { level: "debug", levelNum: 0, pretty: true, ...option };
        opts.levelNum = this.levels.indexOf(opts.level);
        this.option = opts;
    }
    log(message) {
        let msgInfo = {
            name: this.option.name,
            level: "info",
            time: format(null, "yyyy-mm-dd HH:MM:ss.S"),
            pretty: this.option.pretty,
            jsonSpace: 0,
        };
        let msgContent = message;
        if (typeof message === "object") {
            if (message instanceof Error) {
                msgInfo.level = "error";
                msgContent = msgContent.stack;
            }
            else if (message.message != null) {
                msgContent = message.message;
                msgInfo = { ...msgInfo, ...message };
            }
        }
        if (typeof msgContent === "object") {
            try {
                msgInfo.message = JSON.stringify(msgContent, null, msgInfo.jsonSpace);
            }
            catch (error) {
                msgInfo.message = msgContent.toString();
            }
        }
        else {
            msgInfo.message = msgContent;
        }
        if (msgInfo.pretty == null) {
            msgInfo.pretty = this.option.pretty;
        }
        let levelIndex = this.levels.indexOf(msgInfo.level);
        if (levelIndex >= this.option.levelNum) {
            this.formatShow(msgInfo);
        }
    }
    info(message) {
        this.log(this.generateLog(message, "info"));
    }
    debug(message) {
        this.log(this.generateLog(message, "debug"));
    }
    warn(message) {
        this.log(this.generateLog(message, "warn"));
    }
    error(message) {
        this.log(this.generateLog(message, "error"));
    }
    fatal(message) {
        this.log(this.generateLog(message, "fatal"));
    }
    getLevel() {
        return this.levels[this.option.levelNum];
    }
    getName() {
        return this.option.name;
    }
    getOption() {
        return this.option;
    }
    generateLog(message, level = "info") {
        let msgInfo = {
            message: message,
        };
        if (typeof message === "object") {
            if (message.message != null) {
                msgInfo = message;
            }
        }
        msgInfo["level"] = level;
        return msgInfo;
    }
    /** 格式化显示 */
    formatShow(msg) {
        if (msg.level === "fatal") {
            msg.level = "error";
        }
        const res = [`[${msg.time}]`];
        if (msg.name != null) {
            res.push(`[${msg.name}]`);
        }
        res.push(`- ${msg.message}`);
        if (!msg.pretty) {
            res.splice(1, 0, `${msg.level.toUpperCase()}`);
            console[msg.level](res.join(" "));
        }
        else {
            const color = this.colors[msg.level];
            console.log(`%c ${`${msg.level.toUpperCase()}`} %c ${res.join(" ")} %c`, `background:${color};border:1px solid ${color}; padding: 1px; border-radius: 2px 0 0 2px; color: #fff;`, `border:1px solid ${color}; padding: 1px; border-radius: 0 2px 2px 0; color: ${color};`, "background:transparent");
        }
    }
}
/** 默认日志记录器 */
export const logger = new Logger({ name: "APP" });
/** 获取新的日志记录器, 属性采用之前的 */
export const getLogger = (option) => {
    return new Logger({ ...logger.getOption(), ...option });
};