strong-log-transformer - npm Package Compare versions

Comparing version 2.0.0 to 2.1.0

CHANGES.md

@@ -0,1 +1,15 @@
[phone], Version 2.1.0
+=========================
+
+ * src: replace byline with custom splitter (Ryan Graham)
+
+ * test: add color tag tests (Ryan Graham)
+
+ * test: ensure test fixtures use consistent newlines (Ryan Graham)
+
+ * test: replicate shell tests in JS (Ryan Graham)
+
+ * test: add tests for truncated utf8 sequences (Ryan Graham)
+
+
 2018-08-11, Version 2.0.0
@@ -2,0 +16,0 @@ =========================

lib/logger.js

@@ -12,5 +12,5 @@ // Copyright IBM Corp. 2014,2018. All Rights Reserved.
 
-var byline = require('byline');
 var through = require('through');
 var duplexer = require('duplexer');
+var StringDecoder = require('string_decoder').StringDecoder;
 
@@ -34,3 +34,3 @@ module.exports = Logger;
   options = util._extend(defaults, options || {});
-  var catcher = new byline.LineStream;
+  var catcher = deLiner();
   var emitter = catcher;
@@ -61,3 +61,3 @@ var transforms = [
 
-  // restore line endings that were removed by byline
+  // restore line endings that were removed by line splitting
   transforms.push(reLiner());
@@ -72,2 +72,30 @@
 
+function deLiner() {
+  var decoder = new StringDecoder('utf8');
+  var last = '';
+
+  return new stream.Transform({
+    transform(chunk, _enc, callback) {
+      last += decoder.write(chunk);
+      var list = last.split(/\r\n|[\n\v\f\r\x85\u2028\u2029]/g);
+      last = list.pop();
+      for (var i = 0; i < list.length; i++) {
+        // swallow empty lines
+        if (list[i]) {
+          this.push(list[i]);
+        }
+      }
+      callback();
+    },
+    flush(callback) {
+      // incomplete UTF8 sequences become UTF8 replacement characters
+      last += decoder.end();
+      if (last) {
+        this.push(last);
+      }
+      callback();
+    },
+  });
+}
+
 function reLiner() {
@@ -74,0 +102,0 @@ return through(appendNewline);

package.json

 {
   "name": "strong-log-transformer",
-  "version": "2.0.0",
+  "version": "2.1.0",
   "description": "Stream transformer that prefixes lines with timestamps and other things.",
@@ -30,3 +30,2 @@ "author": "Ryan Graham <[e-mail]>",
   "dependencies": {
-    "byline": "^5.0.0",
     "duplexer": "^0.1.1",
@@ -33,0 +32,0 @@ "minimist": "^1.2.0",

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Improved metrics

Total package byte prevSize

16436

increased by6.48%

Dependency count

3

decreased by-25%

Lines of code

231

increased by12.68%

Dependency changes

• - Removedbyline@^5.0.0

• - Removedbyline@5.0.0(transitive)