Issue #2026 - Part 3b - Add BigInt Devtools support. (legacy frontend)

devtools/client/shared/widgets/VariablesView.jsm

@@ -3236,14 +3236,6 @@ VariablesView.prototype.isOverridden = function (aItem) {
  *        The variable's descriptor.
  */
 VariablesView.isPrimitive = function (aDescriptor) {
-  // For accessor property descriptors, the getter and setter need to be
-  // contained in 'get' and 'set' properties.
-  let getter = aDescriptor.get;
-  let setter = aDescriptor.set;
-  if (getter || setter) {
-    return false;
-  }
-
   // As described in the remote debugger protocol, the value grip
   // must be contained in a 'value' property.
   let grip = aDescriptor.value;
@@ -3261,7 +3253,8 @@ VariablesView.isPrimitive = function (aDescriptor) {
       type == "NaN" ||
       type == "-0" ||
       type == "symbol" ||
-      type == "longString") {
+      type == "longString" ||
+      type == "BigInt") {
     return true;
   }
 
@@ -3354,6 +3347,10 @@ VariablesView.getGrip = function (aValue) {
         return { type: "-0" };
       }
       return aValue;
+    case "bigint":
+      return { type: "BigInt",
+               text: aValue.toString(),
+             };
     case "undefined":
       // document.all is also "undefined"
       if (aValue === undefined) {
@@ -3496,6 +3493,10 @@ VariablesView.stringifiers.byType = {
     return keyString + " \u2192 " + valueString;
   },
 
+  BigInt: function (aGrip, aOptions) {
+    return aGrip.text + "n";
+  },
+
 }; // VariablesView.stringifiers.byType
 
 VariablesView.stringifiers.byObjectClass = {