nodejs
diff --git a/Collapse file
‎lib/assert.js‎
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+1-1Lines changed: 1 addition & 1 deletion b/Collapse file
‎lib/assert.js‎
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+1-1Lines changed: 1 addition & 1 deletion
diff --git a/Collapse file
‎lib/internal/constants.js‎
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+4Lines changed: 4 additions & 0 deletions b/Collapse file
‎lib/internal/constants.js‎
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+4Lines changed: 4 additions & 0 deletions
diff --git a/Collapse file
‎lib/internal/tty.js‎
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+6-3Lines changed: 6 additions & 3 deletions b/Collapse file
‎lib/internal/tty.js‎
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+6-3Lines changed: 6 additions & 3 deletions
@@ -33,7 +33,7 @@ const { codes: {
 const { AssertionError, errorCache } = require('internal/assert');
 const { openSync, closeSync, readSync } = require('fs');
 const { inspect, types: { isPromise, isRegExp } } = require('util');
-const { EOL } = require('os');
+const { EOL } = require('internal/constants');
 const { NativeModule } = require('internal/bootstrap/loaders');
 
 // Escape control characters but not \n and \t to keep the line breaks and
 
@@ -1,5 +1,7 @@
 'use strict';
 
+const isWindows = process.platform === 'win32';
+
 module.exports = {
   // Alphabet chars.
   CHAR_UPPERCASE_A: 65, /* A */
@@ -45,4 +47,6 @@ module.exports = {
   // Digits
   CHAR_0: 48, /* 0 */
   CHAR_9: 57, /* 9 */
+
+  EOL: isWindows ? '\r\n' : '\n'
 };
@@ -22,9 +22,7 @@
 
 'use strict';
 
-const { release } = require('os');
-
-const OSRelease = release().split('.');
+let OSRelease;
 
 const COLORS_2 = 1;
 const COLORS_16 = 4;
@@ -75,6 +73,11 @@ function getColorDepth(env = process.env) {
   }
 
   if (process.platform === 'win32') {
+    // Lazy load for startup performance.
+    if (OSRelease === undefined) {
+      const { release } = require('os');
+      OSRelease = release().split('.');
+    }
     // Windows 10 build 10586 is the first Windows release that supports 256
     // colors. Windows 10 build 14931 is the first release that supports
     // 16m/TrueColor.