Add convenience method for parsing LogLevel values form string.

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@jdbernard/logging",
-  "version": "1.0.0",
+  "version": "1.1.0",
   "description": "Simple Javascript logging service.",
   "main": "src/index.ts",
   "module": "dist/index.js",
@@ -9,7 +9,7 @@
   },
   "repository": {
     "type": "git",
-    "url": "https://git.jdb-labs.com/jdb/js-logging.git"
+    "url": "https://git.jdb-software.com/jdb/js-logging.git"
   },
   "keywords": [
     "log",

src/log-message.ts

@@ -9,6 +9,17 @@ export enum LogLevel {
   FATAL
 }
 
+const kv = 'WARN';
+const TEST = LogLevel[kv];
+
+export function parseLogLevel(str: string, defaultLevel = LogLevel.INFO): LogLevel {
+  if (Object.prototype.hasOwnProperty.call(LogLevel, str)) {
+    return LogLevel[<any>str] as unknown as LogLevel;
+  } else {
+    return defaultLevel;
+  }
+}
+
 export interface LogMessage {
   scope: string;
   level: LogLevel;