1 files changed, 22 insertions, 0 deletions
diff --git a/node_modules/js-string-escape/index.js b/node_modules/js-string-escape/index.js
new file mode 100644
index 000000000..256fdf4dc
--- /dev/null
+++ b/node_modules/js-string-escape/index.js
@@ -0,0 +1,22 @@
+module.exports = function (string) {
+  return ('' + string).replace(/["'\\\n\r\u2028\u2029]/g, function (character) {
+    // Escape all characters not included in SingleStringCharacters and
+    // DoubleStringCharacters on
+    // http://www.ecma-international.org/ecma-262/5.1/#sec-7.8.4
+    switch (character) {
+      case '"':
+      case "'":
+      case '\\':
+        return '\\' + character
+      // Four possible LineTerminator characters need to be escaped:
+      case '\n':
+        return '\\n'
+      case '\r':
+        return '\\r'
+      case '\u2028':
+        return '\\u2028'
+      case '\u2029':
+        return '\\u2029'
+    }
+  })
+}