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"use strict";
/* eslint-disable prefer-rest-params */
Object.defineProperty(exports, "__esModule", { value: true });
exports.getArrow = exports.getInstance = void 0;
const util = require("util");
let loggerInstance;
const defaultProvider = {
// tslint:disable: no-console
log: console.log,
debug: console.log,
info: console.info,
warn: console.warn,
error: console.error,
};
// log level 'weight'
var LEVELS;
(function (LEVELS) {
LEVELS[LEVELS["debug"] = 10] = "debug";
LEVELS[LEVELS["info"] = 20] = "info";
LEVELS[LEVELS["warn"] = 30] = "warn";
LEVELS[LEVELS["error"] = 50] = "error";
LEVELS[LEVELS["silent"] = 80] = "silent";
})(LEVELS || (LEVELS = {}));
function getInstance() {
if (!loggerInstance) {
loggerInstance = new Logger();
}
return loggerInstance;
}
exports.getInstance = getInstance;
class Logger {
constructor() {
this.setLevel('info');
this.setProvider(() => defaultProvider);
}
// log will log messages, regardless of logLevels
log() {
this.provider.log(this._interpolate.apply(null, arguments));
}
debug() {
if (this._showLevel('debug')) {
this.provider.debug(this._interpolate.apply(null, arguments));
}
}
info() {
if (this._showLevel('info')) {
this.provider.info(this._interpolate.apply(null, arguments));
}
}
warn() {
if (this._showLevel('warn')) {
this.provider.warn(this._interpolate.apply(null, arguments));
}
}
error() {
if (this._showLevel('error')) {
this.provider.error(this._interpolate.apply(null, arguments));
}
}
setLevel(v) {
if (this.isValidLevel(v)) {
this.logLevel = v;
}
}
setProvider(fn) {
if (fn && this.isValidProvider(fn)) {
this.provider = fn(defaultProvider);
}
}
isValidProvider(fnProvider) {
const result = true;
if (fnProvider && typeof fnProvider !== 'function') {
throw new Error('[HPM] Log provider config error. Expecting a function.');
}
return result;
}
isValidLevel(levelName) {
const validLevels = Object.keys(LEVELS);
const isValid = validLevels.includes(levelName);
if (!isValid) {
throw new Error('[HPM] Log level error. Invalid logLevel.');
}
return isValid;
}
/**
* Decide to log or not to log, based on the log levels 'weight'
* @param {String} showLevel [debug, info, warn, error, silent]
* @return {Boolean}
*/
_showLevel(showLevel) {
let result = false;
const currentLogLevel = LEVELS[this.logLevel];
if (currentLogLevel && currentLogLevel <= LEVELS[showLevel]) {
result = true;
}
return result;
}
// make sure logged messages and its data are return interpolated
// make it possible for additional log data, such date/time or custom prefix.
_interpolate(format, ...args) {
const result = util.format(format, ...args);
return result;
}
}
/**
* -> normal proxy
* => router
* ~> pathRewrite
* ≈> router + pathRewrite
*
* @param {String} originalPath
* @param {String} newPath
* @param {String} originalTarget
* @param {String} newTarget
* @return {String}
*/
function getArrow(originalPath, newPath, originalTarget, newTarget) {
const arrow = ['>'];
const isNewTarget = originalTarget !== newTarget; // router
const isNewPath = originalPath !== newPath; // pathRewrite
if (isNewPath && !isNewTarget) {
arrow.unshift('~');
}
else if (!isNewPath && isNewTarget) {
arrow.unshift('=');
}
else if (isNewPath && isNewTarget) {
arrow.unshift('≈');
}
else {
arrow.unshift('-');
}
return arrow.join('');
}
exports.getArrow = getArrow;