school/node_modules/graphql/jsutils/defineInspect.js


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"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;
  }
}