165 lines
		
	
	
		
			6.2 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
		
		
			
		
	
	
			165 lines
		
	
	
		
			6.2 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
|  | "use strict"; | ||
|  | var __assign = (this && this.__assign) || function () { | ||
|  |     __assign = Object.assign || function(t) { | ||
|  |         for (var s, i = 1, n = arguments.length; i < n; i++) { | ||
|  |             s = arguments[i]; | ||
|  |             for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) | ||
|  |                 t[p] = s[p]; | ||
|  |         } | ||
|  |         return t; | ||
|  |     }; | ||
|  |     return __assign.apply(this, arguments); | ||
|  | }; | ||
|  | 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 }); | ||
|  | var util_1 = require("util"); | ||
|  | var context_1 = require("./context"); | ||
|  | var level_1 = require("./level"); | ||
|  | var target_1 = require("./target"); | ||
|  | var lastSeqNumber = 0; | ||
|  | var resetSequence = function (next) { | ||
|  |     if (next === void 0) { next = 1; } | ||
|  |     lastSeqNumber = next - 1; | ||
|  | }; | ||
|  | exports.resetSequence = resetSequence; | ||
|  | var lastSequenceNumber = function () { return lastSeqNumber; }; | ||
|  | exports.lastSequenceNumber = lastSequenceNumber; | ||
|  | var createEmptyFunction = function () { | ||
|  |     return Object.defineProperty(function emptyFunction() { }, 'isEmptyFunction', { value: true }); | ||
|  | }; | ||
|  | var createEmptyLogger = function () { | ||
|  |     var log = createEmptyFunction(); | ||
|  |     log.child = function () { return createEmptyLogger(); }; | ||
|  |     log.wrap = function () { | ||
|  |         var args = []; | ||
|  |         for (var _i = 0; _i < arguments.length; _i++) { | ||
|  |             args[_i] = arguments[_i]; | ||
|  |         } | ||
|  |         return args.pop(); | ||
|  |     }; | ||
|  |     level_1.LogLevelNames.forEach(function (name) { | ||
|  |         log[name] = log; | ||
|  |     }); | ||
|  |     return log; | ||
|  | }; | ||
|  | var createLogger = function (_a) { | ||
|  |     var _b = _a === void 0 ? {} : _a, _c = _b.context, baseContext = _c === void 0 ? {} : _c, _d = _b.targets, logTargets = _d === void 0 ? target_1.DEFAULT_LOG_TARGET : _d, logTranslator = _b.translate; | ||
|  |     var targets = typeof logTargets === 'string' ? target_1.parseLogTargets(logTargets) : logTargets; | ||
|  |     if (targets.length === 0) { | ||
|  |         return createEmptyLogger(); | ||
|  |     } | ||
|  |     var log = function () { | ||
|  |         var args = []; | ||
|  |         for (var _i = 0; _i < arguments.length; _i++) { | ||
|  |             args[_i] = arguments[_i]; | ||
|  |         } | ||
|  |         var time = Date.now(); | ||
|  |         var sequence = ++lastSeqNumber; | ||
|  |         var context; | ||
|  |         if (typeof args[0] === 'string') { | ||
|  |             context = __assign({}, baseContext); | ||
|  |         } | ||
|  |         else { | ||
|  |             context = __assign({}, baseContext, args.shift()); | ||
|  |         } | ||
|  |         var msg = args.shift(); | ||
|  |         var logLevel = context[context_1.LogContexts.logLevel]; | ||
|  |         var destTargets = logLevel == null ? targets : targets.filter(function (t) { return logLevel >= t.minLevel; }); | ||
|  |         if (destTargets.length === 0) { | ||
|  |             return; | ||
|  |         } | ||
|  |         var message = util_1.format.apply(void 0, __spread([msg], args)); | ||
|  |         var logMessage = { | ||
|  |             context: context, | ||
|  |             time: time, | ||
|  |             sequence: sequence, | ||
|  |             message: message, | ||
|  |         }; | ||
|  |         if (logTranslator) { | ||
|  |             logMessage = logTranslator(logMessage); | ||
|  |         } | ||
|  |         destTargets.forEach(function (t) { return t.stream.write(t.format(logMessage) + "\n"); }); | ||
|  |     }; | ||
|  |     log.child = function (ctxOrTranslator) { | ||
|  |         var isTranslator = typeof ctxOrTranslator === 'function'; | ||
|  |         var childContext = isTranslator ? __assign({}, baseContext) : __assign({}, baseContext, ctxOrTranslator); | ||
|  |         var translate; | ||
|  |         if (isTranslator) { | ||
|  |             if (logTranslator) { | ||
|  |                 translate = function (msg) { return ctxOrTranslator(logTranslator(msg)); }; | ||
|  |             } | ||
|  |             else { | ||
|  |                 translate = ctxOrTranslator; | ||
|  |             } | ||
|  |         } | ||
|  |         else { | ||
|  |             translate = logTranslator; | ||
|  |         } | ||
|  |         return createLogger({ context: childContext, targets: targets, translate: translate }); | ||
|  |     }; | ||
|  |     log.wrap = function () { | ||
|  |         var args = []; | ||
|  |         for (var _i = 0; _i < arguments.length; _i++) { | ||
|  |             args[_i] = arguments[_i]; | ||
|  |         } | ||
|  |         var _a; | ||
|  |         var _b = __read(Array(3 - args.length).concat(args), 3), ctx = _b[0], msg = _b[1], func = _b[2]; | ||
|  |         var context = typeof ctx === 'number' ? __assign({}, baseContext, (_a = {}, _a[context_1.LogContexts.logLevel] = ctx, _a)) : __assign({}, baseContext, ctx); | ||
|  |         var logLevel = context[context_1.LogContexts.logLevel]; | ||
|  |         if (typeof logLevel === 'number' && targets.every(function (t) { return t.minLevel > logLevel; })) { | ||
|  |             return func; | ||
|  |         } | ||
|  |         var message = msg == null ? "calling " + (func.name || '[anonymous]') + "()" : msg; | ||
|  |         return function wrapped() { | ||
|  |             var args = []; | ||
|  |             for (var _i = 0; _i < arguments.length; _i++) { | ||
|  |                 args[_i] = arguments[_i]; | ||
|  |             } | ||
|  |             log(__assign({ call: { args: args } }, context), message); | ||
|  |             return func.apply(this, args); | ||
|  |         }; | ||
|  |     }; | ||
|  |     level_1.LogLevelNames.forEach(function (name) { | ||
|  |         var _a; | ||
|  |         var level = level_1.LogLevels[name]; | ||
|  |         var extraContext = (_a = {}, _a[context_1.LogContexts.logLevel] = level, _a); | ||
|  |         log[name] = function (ctxOrMsg) { | ||
|  |             var args = []; | ||
|  |             for (var _i = 1; _i < arguments.length; _i++) { | ||
|  |                 args[_i - 1] = arguments[_i]; | ||
|  |             } | ||
|  |             if (targets.length === 0 || targets.every(function (t) { return t.minLevel > level; })) { | ||
|  |                 log[name] = createEmptyFunction(); | ||
|  |                 return; | ||
|  |             } | ||
|  |             if (typeof ctxOrMsg === 'string') { | ||
|  |                 log.apply(void 0, __spread([extraContext, ctxOrMsg], args)); | ||
|  |             } | ||
|  |             else { | ||
|  |                 log.apply(void 0, __spread([__assign({}, ctxOrMsg, extraContext)], args)); | ||
|  |             } | ||
|  |         }; | ||
|  |     }); | ||
|  |     return log; | ||
|  | }; | ||
|  | exports.createLogger = createLogger; |