fixed stuff; args. added: stuff.
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1 changed files with 41 additions and 52 deletions
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@ -4,18 +4,24 @@ class Logger {
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/** Logger
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*
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* @param {{
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* output: NodeJS.WritableStream,
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* template: string,
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* argsPlaceholder: string,
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* historySize: number,
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* defaultLevel: string
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* output: NodeJS.WritableStream,
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* output2: NodeJS.WritableStream,
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* template: string,
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* levelsColors: {[level: string]: string},
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* historySize: number,
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* onHistoryFull: () => void,
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* argsPlaceholder: string,
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* dict: {[key: string]: string}
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* logFrom: string
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* logFrom2: string
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* }} options
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*/
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constructor(options = {})
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{
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this.output = options.output || process.stdout;
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this.output2 = options.output2 || null;
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this.template = options.template || "[{level} {timestamp}] {message}";
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this.levelsColors = { // no same colors
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this.levelsColors = options.levelsColors || { // no same colors
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debug: "\x1b[32m",
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info: "\x1b[36m",
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warn: "\x1b[33m",
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@ -32,6 +38,12 @@ class Logger {
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this.alog("warn;", "History is full, dropping 25 oldest entries.");
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this.history = this.history.slice(25);
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};
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this.logFrom = options.logFrom || "D"; // when to stop logging to output
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this.logFrom2 = options.logFrom2 || "D"; // when to stop logging to output2
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// Order from least important to most: D, I, W, E, F
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this.logImportance = {
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D: 0, I: 1, W: 2, E: 3, F: 4
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};
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}
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/** log
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@ -41,16 +53,16 @@ class Logger {
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*
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*/
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log (message, ...args)
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{this.alog(this.defaultLevel, message, args);}
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{this.alog(this.defaultLevel, message, ...args);}
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/** alog
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*
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* @param {string} level
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* @param {'debug' | 'info' | 'warn' | 'error' | 'fatal'} level
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* @param {string} message
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* @param {any} ...args
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*
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*/
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alog(level, message, args = [])
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async alog(level, message, ...args)
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{
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//replace placeholders with args
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let msg = this.template;
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@ -63,56 +75,33 @@ class Logger {
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// [I 1/1/1970 00:00:00] spul {} {}
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//replace placeholders with args
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let argPlaceholder = this.argsPlaceholder;
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let matches = (msg.match(new RegExp(argPlaceholder, "g")) || []).length;
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let argsFilled = 0;
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// args.forEach((v, i, a) => {
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// if (Buffer.isBuffer(v))
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// v = conversion.properHex(v).str;
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// if (typeof v === 'object')
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// v = "\x1b[0m" + JSON.stringify(v, null, 2) + "\x1b[0m";
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if (args.length > 0)
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{
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let argPH = this.argsPlaceholder;
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for (let arg of args)
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{
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// detect if arg is an object and convert it to string if it is
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if (typeof arg === "object" || Array.isArray(arg) || arg.constructor === Object)
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arg = JSON.stringify(arg, null, 2);
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// msg = msg.replace(argPlaceholder, v);
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// argsFilled++;
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// console.log(`${argPlaceholder} -> ${v}`);
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// });
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// regexp replace
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let regexp = new RegExp(argPlaceholder, "g");
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msg = msg.replace(regexp, (match, offset, string) => {
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if (argsFilled >= matches)
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return match;
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let v = args[argsFilled];
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if (Buffer.isBuffer(v))
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v = conversion.properHex(v).str;
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if (typeof v === 'object')
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v = "\x1b[0m" + JSON.stringify(v, null, 2) + "\x1b[0m";
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argsFilled++;
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return v;
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});
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if (matches !== argsFilled && args.length >= matches)
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console.log("warn;", "Not all placeholders were replaced.\n" +
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"Placeholders: " + matches + "\n" +
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"Args: " + args.length + "\n" +
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"Args filled: " + argsFilled + "\n" +
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"Message: " + msg);
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if (matches < args.length)
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msg += ` (${args.length - matches} args overflow.)`;
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else if (matches > args.length)
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msg += ` (${matches - args.length} args missing.)`;
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msg = msg.replace(argPH, arg);
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}
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}
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//replace dictionary keys
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if (this.dict)
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msg = dictionaryConversion(msg, this.dict);
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msg = conversion.dictionaryConversion(msg, this.dict);
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// add color
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msg = this.levelsColors[level] + msg + "\x1b[0m";
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let msgNoColors = msg;
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if (this.levelsColors && this.levelsColors[level])
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msg = this.levelsColors[level] + msg + "\x1b[0m";
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//log
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this.output.write(msg + "\n");
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//log (if important enough)
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if (this.logImportance[level.charAt(0).toUpperCase()] >= this.logImportance[this.logFrom])
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this.output.write(msg + "\n");
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if (this.output2 && this.logImportance[level.charAt(0).toUpperCase()] >= this.logImportance[this.logFrom2])
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this.output2.write(msgNoColors + "\n");
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//save to history
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this.history.push({
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