SERVER-40866 Use JSON.stringify() to serialize string in tojson()

(cherry picked from commit b877bd0172b613e77365f29886d359e5230f1a3e)

1 files changed, 2 insertions, 41 deletions

diff --git a/src/mongo/shell/types.js b/src/mongo/shell/types.js
index 957d018a880..6d0378296cc 100644
--- a/src/mongo/shell/types.js
+++ b/src/mongo/shell/types.js
@@ -602,47 +602,8 @@ tojson = function(x, indent, nolint) {
         indent = "";
 
     switch (typeof x) {
-        case "string": {
-            var out = new Array(x.length + 1);
-            out[0] = '"';
-            for (var i = 0; i < x.length; i++) {
-                switch (x[i]) {
-                    case '"':
-                        out[out.length] = '\\"';
-                        break;
-                    case '\\':
-                        out[out.length] = '\\\\';
-                        break;
-                    case '\b':
-                        out[out.length] = '\\b';
-                        break;
-                    case '\f':
-                        out[out.length] = '\\f';
-                        break;
-                    case '\n':
-                        out[out.length] = '\\n';
-                        break;
-                    case '\r':
-                        out[out.length] = '\\r';
-                        break;
-                    case '\t':
-                        out[out.length] = '\\t';
-                        break;
-
-                    default: {
-                        var code = x.charCodeAt(i);
-                        if (code < 0x20) {
-                            out[out.length] =
-                                (code < 0x10 ? '\\u000' : '\\u00') + code.toString(16);
-                        } else {
-                            out[out.length] = x[i];
-                        }
-                    }
-                }
-            }
-
-            return out.join('') + "\"";
-        }
+        case "string":
+            return JSON.stringify(x);
         case "number":
         case "boolean":
             return "" + x;