anton-x-t · August 3, 2023 07:37 · Aug 3, 2023 · Aug 2, 2023 · Aug 2, 2023 · Aug 2, 2023
diff --git a/docker-logs-localtime b/docker-logs-localtime
@@ -54,9 +54,7 @@ process.stdin.on('data', function(data) {
   const match = data.match(/\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}\.\d+Z/g);
   if (match) {
     match.forEach(dateUtc => {
-      const d = new Date(dateUtc);
-      const offset = new Date().getTimezoneOffset() * 60000;
-      const dateLocal = toIsoString(new Date(d.getTime() - offset));
+      const dateLocal = toIsoString(new Date(dateUtc));
       data = data.replace(dateUtc, dateLocal);
     });
   }

diff --git a/docker-logs-localtime b/docker-logs-localtime
@@ -17,6 +17,10 @@
  * thank you Steven Moseley,
  * https://stackoverflow.com/a/17415677
  *
+ * ISO 8601 - Wikipedia,
+ * thank you Wikipedia Contributors,
+ * https://en.wikipedia.org/wiki/ISO_8601
+ *
  * docker-logs-localtime,
  * thank you popstas,
  * https://gist.github.com/popstas/ffcf282492fd78389d1df2ab7f31052a

diff --git a/docker-logs-localtime b/docker-logs-localtime
@@ -9,6 +9,10 @@
  * thank you anton-x-t,
  * https://gist.github.com/anton-x-t/859a69d0426ed1e4040660f57229c76c
  *
+ * MDN Date, getMilliseconds(),
+ * thank you MDN,
+ * https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date#date_components_and_time_zones 
+ *
  * How to ISO 8601 format a Date with Timezone Offset in JavaScript?,
  * thank you Steven Moseley,
  * https://stackoverflow.com/a/17415677

diff --git a/docker-logs-localtime b/docker-logs-localtime
@@ -1,35 +1,56 @@
 #!/usr/bin/env node
-// replace all UTC dates to local dates in pipe
-// usage: docker logs -t container_name | docker-logs-localtime
+/*
+ * replace all UTC dates to local datetime with timezone offset through pipe
+ * usage: docker logs -ft container_name | docker-logs-localtime
+ *
+ * Credits:
+ *
+ * docker-logs-localtime,
+ * thank you anton-x-t,
+ * https://gist.github.com/anton-x-t/859a69d0426ed1e4040660f57229c76c
+ *
+ * How to ISO 8601 format a Date with Timezone Offset in JavaScript?,
+ * thank you Steven Moseley,
+ * https://stackoverflow.com/a/17415677
+ *
+ * docker-logs-localtime,
+ * thank you popstas,
+ * https://gist.github.com/popstas/ffcf282492fd78389d1df2ab7f31052a
+ *
+ * docker-logs-localtime,
+ * thank you HuangYingNing,
+ * https://github.com/HuangYingNing/docker-logs-localtime
+ */
+function toIsoString(date) {
+  var tzo = -date.getTimezoneOffset(),
+      dif = tzo >= 0 ? '+' : '-',
+      pad = function(num) {
+          return (num < 10 ? '0' : '') + num;
+      };
 
-// install:	
-// curl https://gist.github.com/popstas/ffcf282492fd78389d1df2ab7f31052a/raw/505cdf97c6a1edbb10c3b2b64e1836e0627b87a0/docker-logs-localtime > /usr/local/bin/docker-logs-localtime && chmod +x /usr/local/bin/docker-logs-localtime	
-
-// alternative: https://github.com/HuangYingNing/docker-logs-localtime
-// Thank you popstas for the gist! https://gist.github.com/popstas/ffcf282492fd78389d1df2ab7f31052a
-
-const pad = d => (d > 9 ? d : '0' + d);
-
-Date.prototype.outDateTime = function() {
-  return (
-    [this.getFullYear(), pad(this.getMonth() + 1), pad(this.getDate())].join('-')// +
-    //' ' +
-    //[pad(this.getHours()), pad(this.getMinutes()), pad(this.getSeconds())].join(':')
-  );
-};
+  return date.getFullYear() +
+      '-' + pad(date.getMonth() + 1) +
+      '-' + pad(date.getDate()) +
+      'T' + pad(date.getHours()) +
+      ':' + pad(date.getMinutes()) +
+      ':' + pad(date.getSeconds()) +
+      '.' + pad(date.getMilliseconds()) +
+      dif + pad(Math.floor(Math.abs(tzo) / 60)) +
+      ':' + pad(Math.abs(tzo) % 60);
+}
 
 process.stdin.resume();
 process.stdin.setEncoding('utf8');
 process.stdin.on('data', function(data) {
-  data = data.replace(/\.\d+Z /g, ' ');
-  const match = data.match(/\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}/g);
+  data = data.replace(/\d{2}:\d{2}:\d{2}\.\d{3} /g, '');
+  const match = data.match(/\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}\.\d+Z/g);
   if (match) {
     match.forEach(dateUtc => {
       const d = new Date(dateUtc);
       const offset = new Date().getTimezoneOffset() * 60000;
-      const dateLocal = new Date(d.getTime() - offset).outDateTime();
+      const dateLocal = toIsoString(new Date(d.getTime() - offset));
       data = data.replace(dateUtc, dateLocal);
     });
   }
   process.stdout.write(data);
-});
+});
diff --git a/docker-logs-localtime b/docker-logs-localtime
@@ -6,6 +6,7 @@
 // curl https://gist.github.com/popstas/ffcf282492fd78389d1df2ab7f31052a/raw/505cdf97c6a1edbb10c3b2b64e1836e0627b87a0/docker-logs-localtime > /usr/local/bin/docker-logs-localtime && chmod +x /usr/local/bin/docker-logs-localtime	
 
 // alternative: https://github.com/HuangYingNing/docker-logs-localtime
+// Thank you popstas for the gist! https://gist.github.com/popstas/ffcf282492fd78389d1df2ab7f31052a
 
 const pad = d => (d > 9 ? d : '0' + d);
 

diff --git a/docker-logs-localtime b/docker-logs-localtime
@@ -11,9 +11,9 @@ const pad = d => (d > 9 ? d : '0' + d);
 
 Date.prototype.outDateTime = function() {
   return (
-    [this.getFullYear(), pad(this.getMonth() + 1), pad(this.getDate())].join('-') +
-    ' ' +
-    [pad(this.getHours()), pad(this.getMinutes()), pad(this.getSeconds())].join(':')
+    [this.getFullYear(), pad(this.getMonth() + 1), pad(this.getDate())].join('-')// +
+    //' ' +
+    //[pad(this.getHours()), pad(this.getMinutes()), pad(this.getSeconds())].join(':')
   );
 };
 

diff --git a/docker-logs-localtime b/docker-logs-localtime
@@ -5,6 +5,8 @@
 // install:	
 // curl https://gist.github.com/popstas/ffcf282492fd78389d1df2ab7f31052a/raw/505cdf97c6a1edbb10c3b2b64e1836e0627b87a0/docker-logs-localtime > /usr/local/bin/docker-logs-localtime && chmod +x /usr/local/bin/docker-logs-localtime	
 
+// alternative: https://github.com/HuangYingNing/docker-logs-localtime
+
 const pad = d => (d > 9 ? d : '0' + d);
 
 Date.prototype.outDateTime = function() {

diff --git a/docker-logs-localtime b/docker-logs-localtime
@@ -2,11 +2,14 @@
 // replace all UTC dates to local dates in pipe
 // usage: docker logs -t container_name | docker-logs-localtime
 
+// install:	
+// curl https://gist.github.com/popstas/ffcf282492fd78389d1df2ab7f31052a/raw/505cdf97c6a1edbb10c3b2b64e1836e0627b87a0/docker-logs-localtime > /usr/local/bin/docker-logs-localtime && chmod +x /usr/local/bin/docker-logs-localtime	
+
 const pad = d => (d > 9 ? d : '0' + d);
 
 Date.prototype.outDateTime = function() {
   return (
-    [this.getFullYear(), pad(this.getDate()), pad(this.getMonth() + 1)].join('-') +
+    [this.getFullYear(), pad(this.getMonth() + 1), pad(this.getDate())].join('-') +
     ' ' +
     [pad(this.getHours()), pad(this.getMinutes()), pad(this.getSeconds())].join(':')
   );

diff --git a/docker-logs-localtime b/docker-logs-localtime
@@ -1,16 +1,12 @@
 #!/usr/bin/env node
 // replace all UTC dates to local dates in pipe
-
-// install:
-// curl https://gist.github.com/popstas/ffcf282492fd78389d1df2ab7f31052a/raw/505cdf97c6a1edbb10c3b2b64e1836e0627b87a0/docker-logs-localtime > /usr/local/bin/docker-logs-localtime && chmod +x /usr/local/bin/docker-logs-localtime
-
 // usage: docker logs -t container_name | docker-logs-localtime
 
 const pad = d => (d > 9 ? d : '0' + d);
 
 Date.prototype.outDateTime = function() {
   return (
-    [this.getFullYear(), pad(this.getMonth() + 1), pad(this.getDate())].join('-') +
+    [this.getFullYear(), pad(this.getDate()), pad(this.getMonth() + 1)].join('-') +
     ' ' +
     [pad(this.getHours()), pad(this.getMinutes()), pad(this.getSeconds())].join(':')
   );
@@ -23,7 +19,9 @@ process.stdin.on('data', function(data) {
   const match = data.match(/\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}/g);
   if (match) {
     match.forEach(dateUtc => {
-      const dateLocal = new Date(dateUtc).outDateTime();
+      const d = new Date(dateUtc);
+      const offset = new Date().getTimezoneOffset() * 60000;
+      const dateLocal = new Date(d.getTime() - offset).outDateTime();
       data = data.replace(dateUtc, dateLocal);
     });
   }

diff --git a/docker-logs-localtime b/docker-logs-localtime
@@ -1,12 +1,16 @@
 #!/usr/bin/env node
 // replace all UTC dates to local dates in pipe
+
+// install:
+// curl https://gist.github.com/popstas/ffcf282492fd78389d1df2ab7f31052a/raw/505cdf97c6a1edbb10c3b2b64e1836e0627b87a0/docker-logs-localtime > /usr/local/bin/docker-logs-localtime && chmod +x /usr/local/bin/docker-logs-localtime
+
 // usage: docker logs -t container_name | docker-logs-localtime
 
 const pad = d => (d > 9 ? d : '0' + d);
 
 Date.prototype.outDateTime = function() {
   return (
-    [this.getFullYear(), pad(this.getDate()), pad(this.getMonth() + 1)].join('-') +
+    [this.getFullYear(), pad(this.getMonth() + 1), pad(this.getDate())].join('-') +
     ' ' +
     [pad(this.getHours()), pad(this.getMinutes()), pad(this.getSeconds())].join(':')
   );

diff --git a/docker-logs-localtime b/docker-logs-localtime
@@ -0,0 +1,27 @@
+#!/usr/bin/env node
+// replace all UTC dates to local dates in pipe
+// usage: docker logs -t container_name | docker-logs-localtime
+
+const pad = d => (d > 9 ? d : '0' + d);
+
+Date.prototype.outDateTime = function() {
+  return (
+    [this.getFullYear(), pad(this.getDate()), pad(this.getMonth() + 1)].join('-') +
+    ' ' +
+    [pad(this.getHours()), pad(this.getMinutes()), pad(this.getSeconds())].join(':')
+  );
+};
+
+process.stdin.resume();
+process.stdin.setEncoding('utf8');
+process.stdin.on('data', function(data) {
+  data = data.replace(/\.\d+Z /g, ' ');
+  const match = data.match(/\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}/g);
+  if (match) {
+    match.forEach(dateUtc => {
+      const dateLocal = new Date(dateUtc).outDateTime();
+      data = data.replace(dateUtc, dateLocal);
+    });
+  }
+  process.stdout.write(data);
+});