From abd94a7f5a50f43c797a11b53549ae48fff667c3 Mon Sep 17 00:00:00 2001
From: Florian Dold <florian.dold@gmail.com>
Date: Mon, 10 Oct 2016 03:43:44 +0200
Subject: add node_modules to address #4364

---
 node_modules/better-assert/index.js | 38 +++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 node_modules/better-assert/index.js

(limited to 'node_modules/better-assert/index.js')

diff --git a/node_modules/better-assert/index.js b/node_modules/better-assert/index.js
new file mode 100644
index 000000000..fd1c9b7d1
--- /dev/null
+++ b/node_modules/better-assert/index.js
@@ -0,0 +1,38 @@
+/**
+ * Module dependencies.
+ */
+
+var AssertionError = require('assert').AssertionError
+  , callsite = require('callsite')
+  , fs = require('fs')
+
+/**
+ * Expose `assert`.
+ */
+
+module.exports = process.env.NO_ASSERT
+  ? function(){}
+  : assert;
+
+/**
+ * Assert the given `expr`.
+ */
+
+function assert(expr) {
+  if (expr) return;
+
+  var stack = callsite();
+  var call = stack[1];
+  var file = call.getFileName();
+  var lineno = call.getLineNumber();
+  var src = fs.readFileSync(file, 'utf8');
+  var line = src.split('\n')[lineno-1];
+  var src = line.match(/assert\((.*)\)/)[1];
+
+  var err = new AssertionError({
+    message: src,
+    stackStartFunction: stack[0].getFunction()
+  });
+
+  throw err;
+}
-- 
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