Issue #2026 - Part 3c - Add BigInt Devtools support. (new frontend)

devtools/client/shared/components/reps/big-int.js

@@ -0,0 +1,48 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* 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 BigInt
+   */
+  const BigInt = React.createClass({
+    displayName: "BigInt",
+
+    propTypes: {
+      object: React.PropTypes.object.isRequired
+    },
+
+    render: function () {
+      let {object} = this.props;
+      let {text} = object;
+
+      return (
+        span({className: "objectBox objectBox-number"},
+          `${text}n`
+        )
+      );
+    }
+  });
+
+  function supportsObject(object, type) {
+    return (type == "BigInt");
+  }
+
+  // Exports from this module
+
+  exports.BigInt = {
+    rep: BigInt,
+    supportsObject: supportsObject
+  };
+});

devtools/client/shared/components/reps/moz.build

@@ -6,6 +6,7 @@
 DevToolsModules(
     'array.js',
     'attribute.js',
+    'big-int.js',
     'caption.js',
     'comment-node.js',
     'date-time.js',

devtools/client/shared/components/reps/rep.js

@@ -26,6 +26,7 @@ define(function (require, exports, module) {
 
   // DOM types (grips)
   const { Attribute } = require("./attribute");
+  const { BigInt } = require("./big-int");
   const { DateTime } = require("./date-time");
   const { Document } = require("./document");
   const { Event } = require("./event");
@@ -70,6 +71,7 @@ define(function (require, exports, module) {
     Null,
     StringRep,
     Number,
+    BigInt,
     SymbolRep,
     InfinityRep,
     NaNRep,
@@ -111,10 +113,12 @@ define(function (require, exports, module) {
    */
   function getRep(object, defaultRep = Obj) {
     let type = typeof object;
-    if (type == "object" && object instanceof String) {
-      type = "string";
-    } else if (object && type == "object" && object.type) {
-      type = object.type;
+    if (type == "object") {
+      if (object instanceof String) {
+        type = "string";
+      } else if (["symbol", "BigInt"].includes(object.type)) {
+        type = object.type;
+      }
     }
 
     if (isGrip(object)) {