flow like the river

BACK_BACK/node_modules/graphql/jsutils/defineInspect.js

@@ -0,0 +1,25 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = defineInspect;
+
+var _invariant = _interopRequireDefault(require("./invariant.js"));
+
+var _nodejsCustomInspectSymbol = _interopRequireDefault(require("./nodejsCustomInspectSymbol.js"));
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The `defineInspect()` function defines `inspect()` prototype method as alias of `toJSON`
+ */
+function defineInspect(classObject) {
+  var fn = classObject.prototype.toJSON;
+  typeof fn === 'function' || (0, _invariant.default)(0);
+  classObject.prototype.inspect = fn; // istanbul ignore else (See: 'https://github.com/graphql/graphql-js/issues/2317')
+
+  if (_nodejsCustomInspectSymbol.default) {
+    classObject.prototype[_nodejsCustomInspectSymbol.default] = fn;
+  }
+}