94 lines
3.7 KiB
JavaScript
94 lines
3.7 KiB
JavaScript
'use strict';
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var _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"]) _i["return"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }; }();
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var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
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function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
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var LEVELS = ['debug', 'info', 'warn', 'error', 'silent'];
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var LEVEL_TO_CONSOLE_METHOD = new Map([['debug', 'log'], ['info', 'log'], ['warn', 'log']]);
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var Logger = function () {
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function Logger() {
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var level = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : Logger.defaultLevel;
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_classCallCheck(this, Logger);
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this.activeLevels = new Set();
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this.setLogLevel(level);
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}
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_createClass(Logger, [{
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key: 'setLogLevel',
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value: function setLogLevel(level) {
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var levelIndex = LEVELS.indexOf(level);
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if (levelIndex === -1) throw new Error(`Invalid log level "${level}". Use one of these: ${LEVELS.join(', ')}`);
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this.activeLevels.clear();
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var _iteratorNormalCompletion = true;
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var _didIteratorError = false;
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var _iteratorError = undefined;
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try {
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for (var _iterator = LEVELS.entries()[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
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var _ref = _step.value;
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var _ref2 = _slicedToArray(_ref, 2);
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var i = _ref2[0];
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var _level = _ref2[1];
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if (i >= levelIndex) this.activeLevels.add(_level);
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}
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} catch (err) {
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_didIteratorError = true;
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_iteratorError = err;
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} finally {
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try {
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if (!_iteratorNormalCompletion && _iterator.return) {
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_iterator.return();
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}
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} finally {
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if (_didIteratorError) {
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throw _iteratorError;
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}
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}
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}
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}
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}, {
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key: '_log',
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value: function _log(level) {
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var _console;
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for (var _len = arguments.length, args = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
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args[_key - 1] = arguments[_key];
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}
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(_console = console)[LEVEL_TO_CONSOLE_METHOD.get(level) || level].apply(_console, args);
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}
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}]);
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return Logger;
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}();
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Logger.levels = LEVELS;
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Logger.defaultLevel = 'info';
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;
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LEVELS.forEach(function (level) {
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if (level === 'silent') return;
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Logger.prototype[level] = function () {
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for (var _len2 = arguments.length, args = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
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args[_key2] = arguments[_key2];
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}
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if (this.activeLevels.has(level)) this._log.apply(this, [level].concat(args));
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};
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});
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module.exports = Logger; |