diffusion/src/internal/util/logger.js

Diffusion JavaScript client

"use strict";
/**
 * @module Util.Logger
 *
 * @brief Verbose logging output
 */
var __values = (this && this.__values) || function(o) {
    var s = typeof Symbol === "function" && Symbol.iterator, m = s && o[s], i = 0;
    if (m) return m.call(o);
    if (o && typeof o.length === "number") return {
        next: function () {
            if (o && i >= o.length) o = void 0;
            return { value: o && o[i++], done: !o };
        }
    };
    throw new TypeError(s ? "Object is not iterable." : "Symbol.iterator is not defined.");
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.setLevel = exports.create = exports.LoggingLevel = void 0;
var logger = require("loglevel");
/**
 * An enum for the available logging functions
 *
 * This is identical to {@link LogLevel} but without the `silent` value
 */
var LoggingLevel;
(function (LoggingLevel) {
    LoggingLevel["trace"] = "trace";
    LoggingLevel["debug"] = "debug";
    LoggingLevel["info"] = "info";
    LoggingLevel["warn"] = "warn";
    LoggingLevel["error"] = "error";
})(LoggingLevel = exports.LoggingLevel || (exports.LoggingLevel = {}));
/**
 * Verbose logging output
 *
 * Adds date, level information and prfix information to logging output
 *
 * @param  level  the logging level
 * @param  prefix the prefix
 * @return        a logging function that writes verbose output
 */
function log(level, prefix) {
    var c = '|' + level.toUpperCase() + '|' + prefix + '|';
    var now = function () { return (new Date()); };
    return function (msg, arg) {
        if (arg) {
            logger[level](now() + c + msg, arg);
        }
        else {
            logger[level](now() + c + msg);
        }
    };
}
/**
 * Create a {@link Logger} with a given prefix
 *
 * @param  prefix the prefix
 * @return        a newly created {@link Logger} that contains a writer for each
 *                log level
 */
function create(prefix) {
    var e_1, _a;
    var l = {};
    try {
        for (var _b = __values(Object.keys(LoggingLevel)), _c = _b.next(); !_c.done; _c = _b.next()) {
            var level = _c.value;
            l[level] = log(level, prefix);
        }
    }
    catch (e_1_1) { e_1 = { error: e_1_1 }; }
    finally {
        try {
            if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
        }
        finally { if (e_1) throw e_1.error; }
    }
    return l;
}
exports.create = create;
/**
 * Disables logging below the given level.
 *
 * Export is forwarded from `loglevel.setLevel`.
 * @see https://www.npmjs.com/package/loglevel
 */
exports.setLevel = logger.setLevel;