fixed stuff; args. added: stuff.

lib/logging.js

@@ -5,17 +5,23 @@ class Logger {
    * 
    * @param {{
    * output: NodeJS.WritableStream,
+   * output2: NodeJS.WritableStream,
    * template: string,
-   * argsPlaceholder: string, 
+   * levelsColors: {[level: string]: string},
    * historySize: number,
-   * defaultLevel: string
+   * onHistoryFull: () => void,
+   * argsPlaceholder: string,
+   * dict: {[key: string]: string}
+   * logFrom: string
+   * logFrom2: string
    * }} options
    */
   constructor(options = {})
   {
     this.output = options.output || process.stdout;
+    this.output2 = options.output2 || null;
     this.template = options.template || "[{level} {timestamp}] {message}";
-    this.levelsColors = { // no same colors
+    this.levelsColors = options.levelsColors || { // no same colors
       debug: "\x1b[32m",
       info:  "\x1b[36m",
       warn:  "\x1b[33m",
@@ -32,6 +38,12 @@ class Logger {
       this.alog("warn;", "History is full, dropping 25 oldest entries.");
       this.history = this.history.slice(25);
     };
+    this.logFrom = options.logFrom   || "D"; // when to stop logging to output
+    this.logFrom2 = options.logFrom2 || "D"; // when to stop logging to output2
+    // Order from least important to most: D, I, W, E, F
+    this.logImportance = {
+      D: 0, I: 1, W: 2, E: 3, F: 4
+    };
   }
 
   /** log 
@@ -41,16 +53,16 @@ class Logger {
    * 
    */
   log (message, ...args)
-    {this.alog(this.defaultLevel, message, args);}
+    {this.alog(this.defaultLevel, message, ...args);}
 
   /** alog 
    * 
-   * @param {string} level
+   * @param {'debug' | 'info' | 'warn' | 'error' | 'fatal'} level
    * @param {string} message
    * @param {any} ...args
    * 
    */
-  alog(level, message, args = [])
+  async alog(level, message, ...args)
   {
     //replace placeholders with args
     let msg = this.template;
@@ -63,56 +75,33 @@ class Logger {
     // [I 1/1/1970 00:00:00] spul {} {}
 
     //replace placeholders with args
-    let argPlaceholder = this.argsPlaceholder;
+    if (args.length > 0)
-    let matches = (msg.match(new RegExp(argPlaceholder, "g")) || []).length;
+    {
-    let argsFilled = 0;
+      let argPH = this.argsPlaceholder;
-    // args.forEach((v, i, a) => {
+      for (let arg of args) 
-    //   if (Buffer.isBuffer(v))
+      {
-    //     v = conversion.properHex(v).str;
+        // detect if arg is an object and convert it to string if it is
-    //   if (typeof v === 'object')
+        if (typeof arg === "object" || Array.isArray(arg) || arg.constructor === Object)
-    //     v = "\x1b[0m" + JSON.stringify(v, null, 2) + "\x1b[0m";
+          arg = JSON.stringify(arg, null, 2);
 
-    //   msg = msg.replace(argPlaceholder, v);
+        msg = msg.replace(argPH, arg);
-    //   argsFilled++;
+      }
-    //   console.log(`${argPlaceholder} -> ${v}`);
+    }
-    // });
-
-    // regexp replace
-    let regexp = new RegExp(argPlaceholder, "g");
-    msg = msg.replace(regexp, (match, offset, string) => {
-      if (argsFilled >= matches)
-        return match;
-      let v = args[argsFilled];
-      if (Buffer.isBuffer(v))
-        v = conversion.properHex(v).str;
-      if (typeof v === 'object')
-        v = "\x1b[0m" + JSON.stringify(v, null, 2) + "\x1b[0m";
-      argsFilled++;
-      return v;
-    });
-    
-    if (matches !== argsFilled && args.length >= matches)
-      console.log("warn;", "Not all placeholders were replaced.\n" +
-        "Placeholders: " + matches + "\n" +
-        "Args: " + args.length + "\n" +
-        "Args filled: " + argsFilled + "\n" +
-        "Message: " + msg);
-
-
-    if (matches < args.length)
-      msg += ` (${args.length - matches} args overflow.)`;
-    else if (matches > args.length)
-      msg += ` (${matches - args.length} args missing.)`;
 
     //replace dictionary keys
     if (this.dict)
-      msg = dictionaryConversion(msg, this.dict);
+      msg = conversion.dictionaryConversion(msg, this.dict);
 
     // add color
-    msg = this.levelsColors[level] + msg + "\x1b[0m";
+    let msgNoColors = msg;
+    if (this.levelsColors && this.levelsColors[level])
+      msg = this.levelsColors[level] + msg + "\x1b[0m";
 
-    //log
+    //log (if important enough)
-    this.output.write(msg + "\n");
+    if (this.logImportance[level.charAt(0).toUpperCase()] >= this.logImportance[this.logFrom])
+      this.output.write(msg + "\n");
+    if (this.output2 && this.logImportance[level.charAt(0).toUpperCase()] >= this.logImportance[this.logFrom2])
+      this.output2.write(msgNoColors + "\n");
 
     //save to history
     this.history.push({