From 26105034da4fcce7ac883c899d781f016559310d Mon Sep 17 00:00:00 2001
From: ruki <waruqi@gmail.com>
Date: Thu, 8 Nov 2018 00:38:48 +0800
Subject: switch to vuepress

---
 node_modules/arch/browser.js | 43 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 node_modules/arch/browser.js

(limited to 'node_modules/arch/browser.js')

diff --git a/node_modules/arch/browser.js b/node_modules/arch/browser.js
new file mode 100644
index 00000000..eca04d05
--- /dev/null
+++ b/node_modules/arch/browser.js
@@ -0,0 +1,43 @@
+module.exports = function arch () {
+  /**
+   * User agent strings that indicate a 64-bit OS.
+   * See: http://stackoverflow.com/a/13709431/292185
+   */
+  var userAgent = navigator.userAgent
+  if ([
+    'x86_64',
+    'x86-64',
+    'Win64',
+    'x64;',
+    'amd64',
+    'AMD64',
+    'WOW64',
+    'x64_64'
+  ].some(function (str) {
+    return userAgent.indexOf(str) > -1
+  })) {
+    return 'x64'
+  }
+
+  /**
+   * Platform strings that indicate a 64-bit OS.
+   * See: http://stackoverflow.com/a/19883965/292185
+   */
+  var platform = navigator.platform
+  if (platform === 'MacIntel' || platform === 'Linux x86_64') {
+    return 'x64'
+  }
+
+  /**
+   * CPU class strings that indicate a 64-bit OS.
+   * See: http://stackoverflow.com/a/6267019/292185
+   */
+  if (navigator.cpuClass === 'x64') {
+    return 'x64'
+  }
+
+  /**
+   * If none of the above, assume the architecture is 32-bit.
+   */
+  return 'x86'
+}
-- 
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