Named loggers (#26)

* Adding error catching to json stringify, adding test

* Adding support for named loggers

Author: Joshua-Beatty

index.d.ts

@@ -21,6 +21,8 @@ declare class Logger {
 
     setLevel(level: LEVEL): void;
 
+    createNamedLogger(name: string): Logger;
+
     setLevelNoColor(): void;
 
     setLevelColor(): void;

index.js

@@ -36,12 +36,14 @@ const CONFIG = {
 const LEVELS = ["success", "debug", "info", "warn", "error", "disable"];
 
 class Logger {
-    constructor() {
+    constructor(name) {
         // Current command
         this.command = '';
         // Last line
         this.lastCommand = '';
 
+        this.name = name || ""
+
         // set level from env
         const level = process.env.LOGGER;
         if (this.isLevelValid(level)) {
@@ -53,6 +55,10 @@ class Logger {
         this._getDate = () => (new Date()).toISOString();
     }
 
+    createNamedLogger(name){
+        return new Logger(name)
+    }
+
     setLevel(level) {
         if (this.isLevelValid(level)) {
             this.level = level;
@@ -130,8 +136,12 @@ class Logger {
         this._getDate = callback;
     }
 
-    getDate() {
-        return this._getDate();
+    getPrefix() {
+        if(this.name) {
+            return `${this._getDate()} [${this.name}]`;
+        } else {
+            return this._getDate();
+        }
     }
 
     color(ticket) {
@@ -241,10 +251,10 @@ class Logger {
             return;
 
         if (this.noColor) {
-            const d = this.getDate();
+            const d = this.getPrefix();
             this.log(d, " [ERROR] ", ...args);
         } else {
-            const d = this.getDate();
+            const d = this.getPrefix();
             this.log(d + " ").joint()
                 .bgColor('red').log('[ERROR]').joint()
                 .log(" ").joint()
@@ -257,10 +267,10 @@ class Logger {
             return;
 
         if (this.noColor) {
-            const d = this.getDate();
+            const d = this.getPrefix();
             this.log(d, " [WARN] ", ...args);
         } else {
-            const d = this.getDate();
+            const d = this.getPrefix();
             this.log(d + " ").joint()
                 .bgColor('yellow').color('black').log('[WARN]').joint()
                 .log(" ").joint()
@@ -273,10 +283,10 @@ class Logger {
             return;
 
         if (this.noColor) {
-            const d = this.getDate();
+            const d = this.getPrefix();
             this.log(d, " [INFO] ", ...args);
         } else {
-            const d = this.getDate();
+            const d = this.getPrefix();
             this.log(d + " ").joint()
                 .bgColor('green').color('black').log('[INFO]').joint()
                 .log(" ").joint()
@@ -289,10 +299,10 @@ class Logger {
             return;
 
         if (this.noColor) {
-            const d = this.getDate();
+            const d = this.getPrefix();
             this.log(d, " [DEBUG] ", ...args);
         } else {
-            const d = this.getDate();
+            const d = this.getPrefix();
             this.log(d + " ").joint()
                 .bgColor('cyan').color('black').log("[DEBUG]").joint()
                 .log(' ').joint()
@@ -306,10 +316,10 @@ class Logger {
             return;
 
         if (this.noColor) {
-            const d = this.getDate();
+            const d = this.getPrefix();
             this.log(d, " [SUCCESS] ", ...args);
         } else {
-            const d = this.getDate();
+            const d = this.getPrefix();
             this.log(d + " ").joint()
                 .bgColor('green').color('black').log("[SUCCESS]").joint()
                 .log(' ').joint()

test4.js

@@ -0,0 +1,12 @@
+const logger = require('./index').createNamedLogger("Test 4");
+
+// $ LOGGER=info node test2.js
+logger.log('****************************************');
+logger.log('*** Test Environment Variable LOGGER ***');
+logger.log('****************************************');
+logger.log("LOGGER=info, debug level will not show");
+logger.error('error show');
+logger.warn('warn show');
+logger.info('info show');
+logger.debug('debug will not show');
+logger.success('success show');