1 files changed, 51 insertions, 0 deletions
diff --git a/devtools/client/shared/components/reps/number.js b/devtools/client/shared/components/reps/number.js
new file mode 100644
index 000000000..31be3009b
--- /dev/null
+++ b/devtools/client/shared/components/reps/number.js
@@ -0,0 +1,51 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+// Make this available to both AMD and CJS environments
+define(function (require, exports, module) {
+  // Dependencies
+  const React = require("devtools/client/shared/vendor/react");
+
+  // Shortcuts
+  const { span } = React.DOM;
+
+  /**
+   * Renders a number
+   */
+  const Number = React.createClass({
+    displayName: "Number",
+
+    stringify: function (object) {
+      let isNegativeZero = Object.is(object, -0) ||
+        (object.type && object.type == "-0");
+
+      return (isNegativeZero ? "-0" : String(object));
+    },
+
+    render: function () {
+      let value = this.props.object;
+
+      return (
+        span({className: "objectBox objectBox-number"},
+          this.stringify(value)
+        )
+      );
+    }
+  });
+
+  function supportsObject(object, type) {
+    return ["boolean", "number", "-0"].includes(type);
+  }
+
+  // Exports from this module
+
+  exports.Number = {
+    rep: Number,
+    supportsObject: supportsObject
+  };
+});