+ Press n or j to go to the next uncovered block, b, p or k for the previous block. +
+ +| File | ++ | Statements | ++ | Branches | ++ | Functions | ++ | Lines | ++ |
|---|---|---|---|---|---|---|---|---|---|
| index.js | +
+
+ |
+ 91.89% | +34/37 | +84.21% | +16/19 | +100% | +8/8 | +91.89% | +34/37 | +
+ Press n or j to go to the next uncovered block, b, p or k for the previous block. +
+ +| 1 +2 +3 +4 +5 +6 +7 +8 +9 +10 +11 +12 +13 +14 +15 +16 +17 +18 +19 +20 +21 +22 +23 +24 +25 +26 +27 +28 +29 +30 +31 +32 +33 +34 +35 +36 +37 +38 +39 +40 +41 +42 +43 +44 +45 +46 +47 +48 +49 +50 +51 +52 +53 +54 +55 +56 +57 +58 +59 +60 +61 +62 +63 +64 +65 +66 +67 +68 +69 +70 +71 +72 +73 +74 +75 +76 +77 +78 +79 +80 +81 +82 +83 +84 +85 +86 +87 +88 +89 +90 +91 +92 +93 +94 +95 +96 +97 +98 +99 +100 +101 +102 +103 +104 +105 +106 +107 +108 +109 +110 +111 +112 +113 +114 +115 +116 +117 +118 +119 +120 +121 +122 +123 +124 +125 +126 +127 +128 +129 +130 +131 +132 +133 +134 +135 +136 +137 +138 +139 +140 +141 +142 +143 +144 +145 | 1x +1x + + + + + +1x + + + + + + + + + +1x + + + + + + + + + + + + +3x + + +3x +1x + + +1x + + + +1x +1x + + + + + +2x + + + + + + + + + + +10x +10x + + + + + + + + + +12x +10x + + +10x +6x + +2x +2x + +2x +2x + +1x +1x + +1x +1x + + + + +10x +4x + + + + + + + + + +3x + + + + + + + +3x + + + + + + + +3x + + + + + + + +3x + + + + + + +2x +2x + + + + + +1x + + + | const fs = require('fs');
+const path = require('path');
+
+/**
+ * Logging levels
+ * @enum {number}
+ */
+const LogLevel = {
+ ERROR: 0,
+ WARN: 1,
+ INFO: 2,
+ DEBUG: 3
+};
+
+/**
+ * Logging configuration
+ */
+const DEFAULT_CONFIG = {
+ level: LogLevel.INFO,
+ logToConsole: true,
+ logToFile: false,
+ filePath: path.join(process.cwd(), 'osmosis.log')
+};
+
+class Logger {
+ /**
+ * Create a new Logger instance
+ * @param {Object} [config={}] - Logging configuration
+ */
+ constructor(config = {}) {
+ this.config = { ...DEFAULT_CONFIG, ...config };
+
+ // Ensure log file directory exists
+ if (this.config.logToFile) {
+ const logDir = path.dirname(this.config.filePath);
+
+ // Create directory if it doesn't exist
+ Iif (!fs.existsSync(logDir)) {
+ fs.mkdirSync(logDir, { recursive: true });
+ }
+
+ try {
+ this.logFile = fs.createWriteStream(this.config.filePath, { flags: 'a' });
+ } catch (error) {
+ console.error('Failed to create log file:', error);
+ this.logFile = null;
+ }
+ } else {
+ this.logFile = null;
+ }
+ }
+
+ /**
+ * Format log message
+ * @param {string} level - Log level
+ * @param {string} message - Log message
+ * @returns {string} Formatted log message
+ */
+ _formatMessage(level, message) {
+ const timestamp = new Date().toISOString();
+ return `[${timestamp}] [${level.toUpperCase()}] ${message}\n`;
+ }
+
+ /**
+ * Log a message if level is permitted
+ * @param {number} level - Log level
+ * @param {string} levelName - Level name
+ * @param {string} message - Message to log
+ */
+ _log(level, levelName, message) {
+ if (level <= this.config.level) {
+ const formattedMessage = this._formatMessage(levelName, message);
+
+ // Log to console
+ if (this.config.logToConsole) {
+ switch (levelName) {
+ case 'error':
+ console.error(formattedMessage);
+ break;
+ case 'warn':
+ console.warn(formattedMessage);
+ break;
+ case 'info':
+ console.info(formattedMessage);
+ break;
+ case 'debug':
+ console.debug(formattedMessage);
+ break;
+ }
+ }
+
+ // Log to file
+ if (this.config.logToFile && this.logFile) {
+ this.logFile.write(formattedMessage);
+ }
+ }
+ }
+
+ /**
+ * Log an error message
+ * @param {string} message - Error message
+ */
+ error(message) {
+ this._log(LogLevel.ERROR, 'error', message);
+ }
+
+ /**
+ * Log a warning message
+ * @param {string} message - Warning message
+ */
+ warn(message) {
+ this._log(LogLevel.WARN, 'warn', message);
+ }
+
+ /**
+ * Log an informational message
+ * @param {string} message - Information message
+ */
+ info(message) {
+ this._log(LogLevel.INFO, 'info', message);
+ }
+
+ /**
+ * Log a debug message
+ * @param {string} message - Debug message
+ */
+ debug(message) {
+ this._log(LogLevel.DEBUG, 'debug', message);
+ }
+
+ /**
+ * Close the log file stream
+ */
+ close() {
+ Eif (this.logFile) {
+ this.logFile.end();
+ }
+ }
+}
+
+// Export Logger and LogLevel for configuration
+module.exports = {
+ Logger,
+ LogLevel
+}; |