Add LiveQuery

src/LiveQuery/PLog.js

@@ -0,0 +1,41 @@
+let LogLevel = {
+  'VERBOSE': 0,
+  'DEBUG': 1,
+  'INFO': 2,
+  'ERROR': 3,
+  'NONE': 4
+}
+
+function getCurrentLogLevel() {
+  if (PLog.logLevel && PLog.logLevel in LogLevel) {
+    return LogLevel[PLog.logLevel];
+  }
+  return LogLevel['ERROR'];
+}
+
+function verbose(): void {
+  if (getCurrentLogLevel() <= LogLevel['VERBOSE']) {
+    console.log.apply(console, arguments)
+  }
+}
+
+function log(): void {
+  if (getCurrentLogLevel() <= LogLevel['INFO']) {
+    console.log.apply(console, arguments)
+  }
+}
+
+function error(): void {
+  if (getCurrentLogLevel() <= LogLevel['ERROR']) {
+    console.error.apply(console, arguments)
+  }
+}
+
+let PLog = {
+  log: log,
+  error: error,
+  verbose: verbose,
+  logLevel: 'INFO'
+};
+
+module.exports = PLog;