ts-lit-plugin/lib/logger.js

Typescript plugin that adds type checking and code completion to lit-html

"use strict";
var __read = (this && this.__read) || function (o, n) {
    var m = typeof Symbol === "function" && o[Symbol.iterator];
    if (!m) return o;
    var i = m.call(o), r, ar = [], e;
    try {
        while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
    }
    catch (error) { e = { error: error }; }
    finally {
        try {
            if (r && !r.done && (m = i["return"])) m.call(i);
        }
        finally { if (e) throw e.error; }
    }
    return ar;
};
var __spread = (this && this.__spread) || function () {
    for (var ar = [], i = 0; i < arguments.length; i++) ar = ar.concat(__read(arguments[i]));
    return ar;
};
Object.defineProperty(exports, "__esModule", { value: true });
/* eslint-disable @typescript-eslint/no-explicit-any */
var fs_1 = require("fs");
var path_1 = require("path");
var util_1 = require("util");
var LOG_FILE_NAME = "lit-plugin.log";
var LoggingLevel;
(function (LoggingLevel) {
    LoggingLevel[LoggingLevel["OFF"] = 0] = "OFF";
    LoggingLevel[LoggingLevel["ERROR"] = 1] = "ERROR";
    LoggingLevel[LoggingLevel["WARN"] = 2] = "WARN";
    LoggingLevel[LoggingLevel["DEBUG"] = 3] = "DEBUG";
    LoggingLevel[LoggingLevel["VERBOSE"] = 4] = "VERBOSE";
})(LoggingLevel = exports.LoggingLevel || (exports.LoggingLevel = {}));
/**
 * This class takes care of logging while fixing issues regarding the type script service logger.
 * It logs to a file called "log.txt" in the root of this project.
 */
var Logger = /** @class */ (function () {
    function Logger() {
        this.level = LoggingLevel.OFF;
        this.logPath = path_1.join(process.cwd(), LOG_FILE_NAME);
    }
    Object.defineProperty(Logger.prototype, "cwd", {
        set: function (cwd) {
            this.logPath = path_1.join(cwd, LOG_FILE_NAME);
        },
        enumerable: true,
        configurable: true
    });
    /**
     * Resets the log file.
     */
    Logger.prototype.resetLogs = function () {
        if (this.level > LoggingLevel.OFF) {
            fs_1.writeFileSync(this.logPath, "");
        }
    };
    /**
     * Logs if this.level >= DEBUG
     * @param args
     */
    Logger.prototype.debug = function () {
        var args = [];
        for (var _i = 0; _i < arguments.length; _i++) {
            args[_i] = arguments[_i];
        }
        this.appendLogWithLevel.apply(this, __spread([LoggingLevel.DEBUG], args));
    };
    /**
     * Logs if this.level >= ERROR
     * @param args
     */
    Logger.prototype.error = function () {
        var args = [];
        for (var _i = 0; _i < arguments.length; _i++) {
            args[_i] = arguments[_i];
        }
        this.appendLogWithLevel.apply(this, __spread([LoggingLevel.ERROR], args));
    };
    /**
     * Logs if level >= WARN
     * @param args
     */
    Logger.prototype.warn = function () {
        var args = [];
        for (var _i = 0; _i < arguments.length; _i++) {
            args[_i] = arguments[_i];
        }
        this.appendLogWithLevel.apply(this, __spread([LoggingLevel.WARN], args));
    };
    /**
     * Logs if level >= VERBOSE
     * @param args
     */
    Logger.prototype.verbose = function () {
        var args = [];
        for (var _i = 0; _i < arguments.length; _i++) {
            args[_i] = arguments[_i];
        }
        this.appendLogWithLevel.apply(this, __spread([LoggingLevel.VERBOSE], args));
    };
    /**
     * Appends a log if this.level > level
     * @param level
     * @param args
     */
    Logger.prototype.appendLogWithLevel = function (level) {
        var args = [];
        for (var _i = 1; _i < arguments.length; _i++) {
            args[_i - 1] = arguments[_i];
        }
        if (this.level >= level) {
            var prefix = this.getLogLevelPrefix(level);
            this.appendLog.apply(this, __spread([prefix], args));
        }
    };
    /**
     * Appends a log entry to the log file.
     * @param prefix
     * @param args
     */
    Logger.prototype.appendLog = function (prefix) {
        var args = [];
        for (var _i = 1; _i < arguments.length; _i++) {
            args[_i - 1] = arguments[_i];
        }
        fs_1.appendFileSync(this.logPath, "" + prefix + util_1.inspect(args, {
            colors: true,
            depth: 6,
            breakLength: 50,
            maxArrayLength: 10
        }) + "\n");
    };
    Logger.prototype.getLogLevelPrefix = function (level) {
        return "[" + new Date().toISOString() + " " + this.getLogLevelSeverityPrefix(level) + "] ";
    };
    Logger.prototype.getLogLevelSeverityPrefix = function (level) {
        switch (level) {
            case LoggingLevel.VERBOSE:
                return "\x1b[36m VERBOSE \x1b[0m"; // CYAN
            case LoggingLevel.DEBUG:
                return "\x1b[35m DEBUG \x1b[0m"; // PURPLE
            case LoggingLevel.WARN:
                return "\x1b[33m WARN \x1b[0m"; // YELLOW
            case LoggingLevel.ERROR:
                return "\x1b[31m ERROR \x1b[0m"; // RED
            case LoggingLevel.OFF:
                return "";
        }
    };
    return Logger;
}());
exports.Logger = Logger;
exports.logger = new Logger();