Merge pull request #1164 from log4js-node/emit-deprecation

emit deprecation
log4js-node · Jan 23, 2022 · 49c9173 · 49c9173
2 parents 4deffd1 + 3226b3d
commit 49c9173
Show file tree

Hide file tree

Showing 2 changed files with 18 additions and 0 deletions.
diff --git a/lib/appenders/index.js b/lib/appenders/index.js
@@ -68,9 +68,17 @@ const createAppender = (name, config) => {
     `appender "${name}" is not valid (type "${appenderConfig.type}" could not be found)`
   );
   if (appenderModule.appender) {
+    process.emitWarning(
+      `Appender ${appenderConfig.type} exports an appender function.`,
+      "DeprecationWarning", "log4js-node-DEP0001"
+    );
     debug(`DEPRECATION: Appender ${appenderConfig.type} exports an appender function.`);
   }
   if (appenderModule.shutdown) {
+    process.emitWarning(
+      `Appender ${appenderConfig.type} exports a shutdown function.`,
+      "DeprecationWarning", "log4js-node-DEP0002"
+    );
     debug(`DEPRECATION: Appender ${appenderConfig.type} exports a shutdown function.`);
   }
 

diff --git a/lib/layouts.js b/lib/layouts.js
@@ -155,13 +155,23 @@ function patternLayout(pattern, tokens) {
           format = dateFormat.ISO8601_WITH_TZ_OFFSET_FORMAT;
           break;
         case 'ABSOLUTE':
+          process.emitWarning(
+            "Pattern %d{ABSOLUTE} is deprecated in favor of %d{ABSOLUTETIME}. " + 
+            "Please use %d{ABSOLUTETIME} instead.",
+            "DeprecationWarning", "log4js-node-DEP0003"
+          );
           debug("DEPRECATION: Pattern %d{ABSOLUTE} is deprecated and replaced by %d{ABSOLUTETIME}.");
           // falls through
         case 'ABSOLUTETIME':
         case 'ABSOLUTETIME_FORMAT':
           format = dateFormat.ABSOLUTETIME_FORMAT;
           break;
         case 'DATE':
+          process.emitWarning(
+            "Pattern %d{DATE} is deprecated due to the confusion it causes when used. " +
+            "Please use %d{DATETIME} instead.",
+            "DeprecationWarning", "log4js-node-DEP0004"
+          );
           debug("DEPRECATION: Pattern %d{DATE} is deprecated and replaced by %d{DATETIME}.");
           // falls through
         case 'DATETIME':