commit 1bc3aaa8aa6fe22607a877157ef900d097fd2fcb
Author: Alexander Zinn <zinntechniker@gmail.com>
Date:   Mon Aug 18 17:18:43 2025 -0400

    Initial Commit

diff --git a/.gitignore b/.gitignore
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--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,34 @@
+# dependencies (bun install)
+node_modules
+
+# output
+out
+dist
+*.tgz
+
+# code coverage
+coverage
+*.lcov
+
+# logs
+logs
+_.log
+report.[0-9]_.[0-9]_.[0-9]_.[0-9]_.json
+
+# dotenv environment variable files
+.env
+.env.development.local
+.env.test.local
+.env.production.local
+.env.local
+
+# caches
+.eslintcache
+.cache
+*.tsbuildinfo
+
+# IntelliJ based IDEs
+.idea
+
+# Finder (MacOS) folder config
+.DS_Store
diff --git a/.npmrc b/.npmrc
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index 0000000..056a250
--- /dev/null
+++ b/.npmrc
@@ -0,0 +1,3 @@
+@techniker-me:registry=https://registry-node.techniker.me
+package-lock=false
+save-exact=true
diff --git a/.nvmrc b/.nvmrc
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index 0000000..209e3ef
--- /dev/null
+++ b/.nvmrc
@@ -0,0 +1 @@
+20
diff --git a/README.md b/README.md
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--- /dev/null
+++ b/README.md
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+# channeltests-3
+
+To install dependencies:
+
+```bash
+bun install
+```
+
+To run:
+
+```bash
+bun run index.ts
+```
+
+This project was created using `bun init` in bun v1.2.20. [Bun](https://bun.com) is a fast all-in-one JavaScript runtime.
diff --git a/bunfig.toml b/bunfig.toml
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index 0000000..ae22d90
--- /dev/null
+++ b/bunfig.toml
@@ -0,0 +1,5 @@
+[install.lockfile]
+save = false
+
+[install.scopes]
+"@techniker-me" = "https://registry-node.techniker.me"
diff --git a/lang/assertUnreachable.ts b/lang/assertUnreachable.ts
new file mode 100644
index 0000000..e61b3b6
--- /dev/null
+++ b/lang/assertUnreachable.ts
@@ -0,0 +1,3 @@
+export default function assertUnreachable(value: never): never {
+  throw new Error(`Unreachable code: ${value}`);
+}
diff --git a/package.json b/package.json
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--- /dev/null
+++ b/package.json
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+{
+  "name": "channeltests-3",
+  "version": "2025.0.0",
+  "type": "module",
+  "private": true,
+  "devDependencies": {
+    "@types/bun": "latest"
+  },
+  "peerDependencies": {
+    "typescript": "5.9.8"
+  },
+  "dependencies": {
+    "@techniker-me/pcast-api": "2025.0.2",
+    "@techniker-me/rtmp-push": "2025.0.2"
+  }
+}
diff --git a/test/config/CommandLine.ts b/test/config/CommandLine.ts
new file mode 100644
index 0000000..eacd618
--- /dev/null
+++ b/test/config/CommandLine.ts
@@ -0,0 +1,5 @@
+export default class CommandLine {
+  private constructor() {
+    throw new Error('[CommandLine] is a static class that may not be instantiated');
+  }
+}
diff --git a/test/config/TestConfiguration.ts b/test/config/TestConfiguration.ts
new file mode 100644
index 0000000..e69de29
diff --git a/test/config/TestRunner.ts b/test/config/TestRunner.ts
new file mode 100644
index 0000000..630924f
--- /dev/null
+++ b/test/config/TestRunner.ts
@@ -0,0 +1,4 @@
+import PCastAPI from '@techniker-me/pcast-api';
+import RtmpPush from '@technniker-me/rtmp-push';
+
+class TestRunner {}
diff --git a/test/logger/Logger.ts b/test/logger/Logger.ts
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--- /dev/null
+++ b/test/logger/Logger.ts
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+import IAppender from './appenders/IAppender';
+import {LoggingLevel, LoggingLevelMapping} from './LoggingLevel';
+import type {Threshold} from './Threshold';
+
+export class Logger {
+  private readonly _category: string;
+  private readonly _threshold: Threshold;
+  private readonly _appenders: IAppender[];
+
+  constructor({category, threshold, appenders}: {category: string; threshold: Threshold; appenders: IAppender[]}) {
+    this._category = category;
+    this._threshold = threshold;
+    this._appenders = appenders;
+  }
+
+  public info(message: string, ...optionalParameters: unknown[]): void {
+    if (this._threshold.value < LoggingLevel.Info) {
+      return;
+    }
+
+    this.log(LoggingLevel.Info, message, ...optionalParameters);
+  }
+
+  public warn(message: string, ...optionalParameters: unknown[]): void {
+    if (this._threshold.value < LoggingLevel.Warning) {
+      return;
+    }
+
+    this.log(LoggingLevel.Warning, message, ...optionalParameters);
+  }
+
+  public error(message: string, ...optionalParameters: unknown[]): void {
+    if (this._threshold.value < LoggingLevel.Error) {
+      return;
+    }
+
+    this.log(LoggingLevel.Error, message, ...optionalParameters);
+  }
+
+  public fatal(message: string, ...optionalParameters: unknown[]): void {
+    if (this._threshold.value < LoggingLevel.Fatal) {
+      return;
+    }
+
+    this.log(LoggingLevel.Fatal, message, ...optionalParameters);
+  }
+
+  public debug(message: string, ...optionalParameters: unknown[]): void {
+    if (this._threshold.value < LoggingLevel.Debug) {
+      return;
+    }
+
+    this.log(LoggingLevel.Debug, message, ...optionalParameters);
+  }
+
+  public trace(message: string, ...optionalParameters: unknown[]): void {
+    if (this._threshold.value < LoggingLevel.Trace) {
+      return;
+    }
+
+    this.log(LoggingLevel.Trace, message, ...optionalParameters);
+  }
+
+  private log(level: LoggingLevel, message: string, ...optionalParameters: unknown[]): void {
+    const timestamp = new Date().toISOString();
+    const formattedMessage = this.formatMessage(message, ...optionalParameters);
+    const levelString = LoggingLevelMapping.convertLoggingLevelToLoggingLevelType(level);
+    
+    // Safely call appenders with error handling
+    this._appenders.forEach(appender => {
+      try {
+        appender.append(timestamp, level, this._category, `[${levelString}] ${formattedMessage}`);
+      } catch (error) {
+        // Fallback to console if appender fails
+        console.error(`[Logger] Appender failed for category ${this._category}:`, error);
+        console.log(`${timestamp} [${this._category}] [${levelString}] ${formattedMessage}`);
+      }
+    });
+  }
+
+  private formatMessage(message: string, ...optionalParameters: unknown[]): string {
+    if (optionalParameters.length === 0) {
+      return message;
+    }
+
+    // More efficient parameter substitution
+    let result = message;
+    let paramIndex = 0;
+    
+    // Replace all {} placeholders with parameters
+    while (result.includes('{}') && paramIndex < optionalParameters.length) {
+      const paramString = this.parameterToString(optionalParameters[paramIndex]);
+      result = result.replace('{}', paramString);
+      paramIndex++;
+    }
+    
+    // Append remaining parameters if any
+    if (paramIndex < optionalParameters.length) {
+      const remainingParams = optionalParameters.slice(paramIndex)
+        .map(param => this.parameterToString(param))
+        .join(' ');
+      result += ` ${remainingParams}`;
+    }
+    
+    return result;
+  }
+
+  private parameterToString(param: unknown): string {
+    if (param === null) return 'null';
+    if (param === undefined) return 'undefined';
+    if (typeof param === 'object') {
+      try {
+        return JSON.stringify(param);
+      } catch {
+        return String(param);
+      }
+    }
+    return String(param);
+  }
+}
diff --git a/test/logger/LoggerFactory.ts b/test/logger/LoggerFactory.ts
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--- /dev/null
+++ b/test/logger/LoggerFactory.ts
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+import { ConsoleAppender } from './appenders/ConsoleAppender';
+import IAppender from './appenders/IAppender';
+import {Logger} from './Logger';
+import {LoggingLevel} from './LoggingLevel';
+import {Threshold} from './Threshold';
+
+export default class LoggerFactory {
+  private static readonly _loggerForCategory: Map<string, Logger> = new Map();
+  private static readonly _threshold: Threshold = new Threshold({level: LoggingLevel.Debug});
+  private static readonly _appenders: IAppender[] = [new ConsoleAppender()];    
+
+  public static getLogger(category: string): Logger {
+    let logger = LoggerFactory._loggerForCategory.get(category);
+
+    if (logger === undefined) {
+      logger = new Logger({category, threshold: LoggerFactory._threshold, appenders: LoggerFactory._appenders});
+      
+      LoggerFactory._loggerForCategory.set(category, logger);
+    }
+
+    return logger;
+  }
+
+  private constructor() {
+    throw new Error('[LoggerFactory] is a static class that may not be instantiated');
+  }
+}
\ No newline at end of file
diff --git a/test/logger/LoggingLevel.ts b/test/logger/LoggingLevel.ts
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+++ b/test/logger/LoggingLevel.ts
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+export enum LoggingLevel {
+  Off = 0,
+  Fatal = 1,
+  Error = 2,
+  Warning = 3,
+  Info = 4,
+  Debug = 5,
+  Trace = 6,
+  All = 7
+}
+
+export type LoggingLevelType = 'Off' | 'Fatal' | 'Error' | 'Warning' | 'Info' | 'Debug' | 'Trace' | 'All';
+
+export class LoggingLevelMapping {
+  public static convertLoggingLevelToLoggingLevelType(level: LoggingLevel): LoggingLevelType {
+    switch (level) {
+      case LoggingLevel.Off:
+        return 'Off';
+      case LoggingLevel.Fatal:
+        return 'Fatal';
+      case LoggingLevel.Error:
+        return 'Error';
+      case LoggingLevel.Warning:
+        return 'Warning';
+      case LoggingLevel.Info:
+        return 'Info';
+      case LoggingLevel.Debug:
+        return 'Debug';
+      case LoggingLevel.Trace:
+        return 'Trace';
+      case LoggingLevel.All:
+        return 'All';
+      default:
+        throw new Error(`[LoggingLevelMapping] Received unknown logging level [${level}]`);
+    }
+  }
+
+  public static convertLoggingLevelTypeToLoggingLevel(level: LoggingLevelType): LoggingLevel {
+    switch (level) {
+      case 'Off':
+        return LoggingLevel.Off;
+      case 'Fatal':
+        return LoggingLevel.Fatal;
+      case 'Error':
+        return LoggingLevel.Error;
+      case 'Warning':
+        return LoggingLevel.Warning;
+      case 'Info':
+        return LoggingLevel.Info;
+      case 'Debug':
+        return LoggingLevel.Debug;
+      case 'Trace':
+        return LoggingLevel.Trace;
+      case 'All':
+        return LoggingLevel.All;
+      default:
+        throw new Error(`[LoggingLevelMapping] Received unknown logging level type [${level}]`);
+    }
+  }
+}
diff --git a/test/logger/Threshold.ts b/test/logger/Threshold.ts
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+++ b/test/logger/Threshold.ts
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+import {LoggingLevel, LoggingLevelMapping, type LoggingLevelType} from './LoggingLevel';
+
+export class Threshold {
+  private readonly _level: {value: LoggingLevel};
+
+  constructor({level}: {level: LoggingLevel}) {
+    this._level = {value: level};
+  }
+
+  get value(): LoggingLevel {
+    return this._level.value;
+  }
+}
diff --git a/test/logger/appenders/ConsoleAppender.ts b/test/logger/appenders/ConsoleAppender.ts
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--- /dev/null
+++ b/test/logger/appenders/ConsoleAppender.ts
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+import IAppender from './IAppender';
+import {LoggingLevel} from '../LoggingLevel';
+import assertUnreachable from '../../../lang/assertUnreachable';
+
+export class ConsoleAppender implements IAppender {
+  append(timestamp: string, level: LoggingLevel, category: string, message: string): void {
+    switch (level) {
+      case LoggingLevel.Debug:
+      case LoggingLevel.Info:
+      case LoggingLevel.Warning:
+      case LoggingLevel.Trace:
+        console.info(`${timestamp} [${category}] ${message}`);
+        break;
+
+    case LoggingLevel.Error:
+        console.error(`${timestamp} [${category}] ${message}`);
+        break;
+
+    case LoggingLevel.Fatal:
+        console.error(`${timestamp} [${category}] ${message}`);
+        break;
+
+    case LoggingLevel.Off:
+    case LoggingLevel.All:
+        break;
+
+    default:
+        assertUnreachable(level);
+    }
+  }
+}
diff --git a/test/logger/appenders/IAppender.ts b/test/logger/appenders/IAppender.ts
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+++ b/test/logger/appenders/IAppender.ts
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+import {LoggingLevel} from '../LoggingLevel';
+
+interface IAppender {
+  append(timestamp: string, level: LoggingLevel, category: string, message: string): void;
+}
+
+export default IAppender;
diff --git a/tsconfig.json b/tsconfig.json
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--- /dev/null
+++ b/tsconfig.json
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+{
+  "compilerOptions": {
+    // Environment setup & latest features
+    "lib": ["ESNext"],
+    "target": "ESNext",
+    "module": "Preserve",
+    "moduleDetection": "force",
+    "jsx": "react-jsx",
+    "allowJs": true,
+
+    // Bundler mode
+    "moduleResolution": "bundler",
+    "allowImportingTsExtensions": true,
+    "verbatimModuleSyntax": false,
+    "noEmit": true,
+
+    // Best practices
+    "strict": true,
+    "skipLibCheck": true,
+    "noFallthroughCasesInSwitch": true,
+    "noUncheckedIndexedAccess": true,
+    "noImplicitOverride": true,
+
+    // Some stricter flags (disabled by default)
+    "noUnusedLocals": false,
+    "noUnusedParameters": false,
+    "noPropertyAccessFromIndexSignature": false
+  }
+}