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@featurevisor/sdk

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Featurevisor SDK for Node.js and the browser

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<!doctype html> <html lang="en"> <head> <title>Code coverage report for logger.ts</title> <meta charset="utf-8" /> <link rel="stylesheet" href="prettify.css" /> <link rel="stylesheet" href="base.css" /> <link rel="shortcut icon" type="image/x-icon" href="favicon.png" /> <meta name="viewport" content="width=device-width, initial-scale=1" /> <style type='text/css'> .coverage-summary .sorter { background-image: url(sort-arrow-sprite.png); } </style> </head> <body> <div class='wrapper'> <div class='pad1'> <h1><a href="index.html">All files</a> logger.ts</h1> <div class='clearfix'> <div class='fl pad1y space-right2'> <span class="strong">100% </span> <span class="quiet">Statements</span> <span class='fraction'>27/27</span> </div> <div class='fl pad1y space-right2'> <span class="strong">100% </span> <span class="quiet">Branches</span> <span class='fraction'>11/11</span> </div> <div class='fl pad1y space-right2'> <span class="strong">100% </span> <span class="quiet">Functions</span> <span 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LogDetails { [key: string]: any; } &nbsp; export type LogHandler = (level: LogLevel, message: LogMessage, details?: LogDetails) =&gt; void; &nbsp; export interface CreateLoggerOptions { levels?: LogLevel[]; handler?: LogHandler; } &nbsp; export const loggerPrefix = "[Featurevisor]"; &nbsp; export const defaultLogLevels: LogLevel[] = [ // supported, but not enabled by default // "debug", // "info", &nbsp; // enabled by default "warn", "error", ]; &nbsp; export const defaultLogHandler: LogHandler = function defaultLogHandler( level, message, details = {}, ) { switch (level) { case "debug": console.log(loggerPrefix, message, details); break; case "info": console.info(loggerPrefix, message, details); break; case "warn": console.warn(loggerPrefix, message, details); break; case "error": console.error(loggerPrefix, message, details); break; } }; &nbsp; export class Logger { private levels: LogLevel[]; private handle: LogHandler; &nbsp; constructor(options: CreateLoggerOptions) { this.levels = options.levels as LogLevel[]; this.handle = options.handler as LogHandler; } &nbsp; setLevels(levels: LogLevel[]) { this.levels = levels; } &nbsp; log(level: LogLevel, message: LogMessage, details?: LogDetails) { if (this.levels.indexOf(level) !== -1) { this.handle(level, message, details); } } &nbsp; debug(message: LogMessage, details?: LogDetails) { this.log("debug", message, details); } &nbsp; info(message: LogMessage, details?: LogDetails) { this.log("info", message, details); } &nbsp; warn(message: LogMessage, details?: LogDetails) { this.log("warn", message, details); } &nbsp; error(message: LogMessage, details?: LogDetails) { this.log("error", message, details); } } &nbsp; export function createLogger(options: CreateLoggerOptions = {}): Logger { const levels = options.levels || defaultLogLevels; const logHandler = options.handler || defaultLogHandler; &nbsp; return new Logger({ levels, handler: logHandler }); } &nbsp;</pre></td></tr></table></pre> <div class='push'></div><!-- for sticky footer --> </div><!-- /wrapper --> <div class='footer quiet pad2 space-top1 center small'> Code coverage generated by <a href="https://istanbul.js.org/" target="_blank" rel="noopener noreferrer">istanbul</a> at 2025-04-12T20:34:55.662Z </div> <script src="prettify.js"></script> <script> window.onload = function () { prettyPrint(); }; </script> <script src="sorter.js"></script> <script src="block-navigation.js"></script> </body> </html>