apollo-utilities/lib/bundle.umd.js

(function (global, factory) {
  if (typeof define === "function" && define.amd) {
    define(["exports", "graphql/language/visitor", "ts-invariant", "tslib", "fast-json-stable-stringify", "@wry/equality"], factory);
  } else if (typeof exports !== "undefined") {
    factory(exports, require("graphql/language/visitor"), require("ts-invariant"), require("tslib"), require("fast-json-stable-stringify"), require("@wry/equality"));
  } else {
    var mod = {
      exports: {}
    };
    factory(mod.exports, global.visitor, global.tsInvariant, global.tslib, global.fastJsonStableStringify, global.equality);
    global.unknown = mod.exports;
  }
})(typeof globalThis !== "undefined" ? globalThis : typeof self !== "undefined" ? self : this, function (_exports, _visitor, _tsInvariant, _tslib, _fastJsonStableStringify, _equality) {

  _exports.__esModule = true;
  _exports.addTypenameToDocument = addTypenameToDocument;
  _exports.argumentsObjectFromField = argumentsObjectFromField;
  _exports.assign = assign;
  _exports.buildQueryFromSelectionSet = buildQueryFromSelectionSet;
  _exports.checkDocument = checkDocument;
  _exports.cloneDeep = cloneDeep;
  _exports.createFragmentMap = createFragmentMap;
  _exports.getDefaultValues = getDefaultValues;
  _exports.getDirectiveInfoFromField = getDirectiveInfoFromField;
  _exports.getDirectiveNames = getDirectiveNames;
  _exports.getDirectivesFromDocument = getDirectivesFromDocument;
  _exports.getEnv = getEnv;
  _exports.getFragmentDefinition = getFragmentDefinition;
  _exports.getFragmentDefinitions = getFragmentDefinitions;
  _exports.getFragmentQueryDocument = getFragmentQueryDocument;
  _exports.getInclusionDirectives = getInclusionDirectives;
  _exports.getMainDefinition = getMainDefinition;
  _exports.getMutationDefinition = getMutationDefinition;
  _exports.getOperationDefinition = getOperationDefinition;
  _exports.getOperationDefinitionOrDie = getOperationDefinitionOrDie;
  _exports.getOperationName = getOperationName;
  _exports.getQueryDefinition = getQueryDefinition;
  _exports.getStoreKeyName = getStoreKeyName;
  _exports.graphQLResultHasError = graphQLResultHasError;
  _exports.hasClientExports = hasClientExports;
  _exports.hasDirectives = hasDirectives;
  _exports.isDevelopment = isDevelopment;
  _exports.isEnv = isEnv;
  _exports.isField = isField;
  _exports.isIdValue = isIdValue;
  _exports.isInlineFragment = isInlineFragment;
  _exports.isJsonValue = isJsonValue;
  _exports.isNumberValue = isNumberValue;
  _exports.isProduction = isProduction;
  _exports.isScalarValue = isScalarValue;
  _exports.isTest = isTest;
  _exports.maybeDeepFreeze = maybeDeepFreeze;
  _exports.mergeDeep = mergeDeep;
  _exports.mergeDeepArray = mergeDeepArray;
  _exports.removeArgumentsFromDocument = removeArgumentsFromDocument;
  _exports.removeClientSetsFromDocument = removeClientSetsFromDocument;
  _exports.removeConnectionDirectiveFromDocument = removeConnectionDirectiveFromDocument;
  _exports.removeDirectivesFromDocument = removeDirectivesFromDocument;
  _exports.removeFragmentSpreadFromDocument = removeFragmentSpreadFromDocument;
  _exports.resultKeyNameFromField = resultKeyNameFromField;
  _exports.shouldInclude = shouldInclude;
  _exports.storeKeyNameFromField = storeKeyNameFromField;
  _exports.stripSymbols = stripSymbols;
  _exports.toIdValue = toIdValue;
  _exports.tryFunctionOrLogError = tryFunctionOrLogError;
  _exports.valueFromNode = valueFromNode;
  _exports.valueToObjectRepresentation = valueToObjectRepresentation;
  _exports.variablesInOperation = variablesInOperation;
  _exports.warnOnceInDevelopment = warnOnceInDevelopment;
  _exports.canUseWeakMap = _exports.isEqual = void 0;
  _fastJsonStableStringify = _interopRequireDefault(_fastJsonStableStringify);
  _exports.isEqual = _equality.equal;

  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

  function isScalarValue(value) {
    return ['StringValue', 'BooleanValue', 'EnumValue'].indexOf(value.kind) > -1;
  }

  function isNumberValue(value) {
    return ['IntValue', 'FloatValue'].indexOf(value.kind) > -1;
  }

  function isStringValue(value) {
    return value.kind === 'StringValue';
  }

  function isBooleanValue(value) {
    return value.kind === 'BooleanValue';
  }

  function isIntValue(value) {
    return value.kind === 'IntValue';
  }

  function isFloatValue(value) {
    return value.kind === 'FloatValue';
  }

  function isVariable(value) {
    return value.kind === 'Variable';
  }

  function isObjectValue(value) {
    return value.kind === 'ObjectValue';
  }

  function isListValue(value) {
    return value.kind === 'ListValue';
  }

  function isEnumValue(value) {
    return value.kind === 'EnumValue';
  }

  function isNullValue(value) {
    return value.kind === 'NullValue';
  }

  function valueToObjectRepresentation(argObj, name, value, variables) {
    if (isIntValue(value) || isFloatValue(value)) {
      argObj[name.value] = Number(value.value);
    } else if (isBooleanValue(value) || isStringValue(value)) {
      argObj[name.value] = value.value;
    } else if (isObjectValue(value)) {
      var nestedArgObj_1 = {};
      value.fields.map(function (obj) {
        return valueToObjectRepresentation(nestedArgObj_1, obj.name, obj.value, variables);
      });
      argObj[name.value] = nestedArgObj_1;
    } else if (isVariable(value)) {
      var variableValue = (variables || {})[value.name.value];
      argObj[name.value] = variableValue;
    } else if (isListValue(value)) {
      argObj[name.value] = value.values.map(function (listValue) {
        var nestedArgArrayObj = {};
        valueToObjectRepresentation(nestedArgArrayObj, name, listValue, variables);
        return nestedArgArrayObj[name.value];
      });
    } else if (isEnumValue(value)) {
      argObj[name.value] = value.value;
    } else if (isNullValue(value)) {
      argObj[name.value] = null;
    } else {
      throw process.env.NODE_ENV === "production" ? new _tsInvariant.InvariantError(17) : new _tsInvariant.InvariantError("The inline argument \"" + name.value + "\" of kind \"" + value.kind + "\"" + 'is not supported. Use variables instead of inline arguments to ' + 'overcome this limitation.');
    }
  }

  function storeKeyNameFromField(field, variables) {
    var directivesObj = null;

    if (field.directives) {
      directivesObj = {};
      field.directives.forEach(function (directive) {
        directivesObj[directive.name.value] = {};

        if (directive.arguments) {
          directive.arguments.forEach(function (_a) {
            var name = _a.name,
                value = _a.value;
            return valueToObjectRepresentation(directivesObj[directive.name.value], name, value, variables);
          });
        }
      });
    }

    var argObj = null;

    if (field.arguments && field.arguments.length) {
      argObj = {};
      field.arguments.forEach(function (_a) {
        var name = _a.name,
            value = _a.value;
        return valueToObjectRepresentation(argObj, name, value, variables);
      });
    }

    return getStoreKeyName(field.name.value, argObj, directivesObj);
  }

  var KNOWN_DIRECTIVES = ['connection', 'include', 'skip', 'client', 'rest', 'export'];

  function getStoreKeyName(fieldName, args, directives) {
    if (directives && directives['connection'] && directives['connection']['key']) {
      if (directives['connection']['filter'] && directives['connection']['filter'].length > 0) {
        var filterKeys = directives['connection']['filter'] ? directives['connection']['filter'] : [];
        filterKeys.sort();
        var queryArgs_1 = args;
        var filteredArgs_1 = {};
        filterKeys.forEach(function (key) {
          filteredArgs_1[key] = queryArgs_1[key];
        });
        return directives['connection']['key'] + "(" + JSON.stringify(filteredArgs_1) + ")";
      } else {
        return directives['connection']['key'];
      }
    }

    var completeFieldName = fieldName;

    if (args) {
      var stringifiedArgs = (0, _fastJsonStableStringify.default)(args);
      completeFieldName += "(" + stringifiedArgs + ")";
    }

    if (directives) {
      Object.keys(directives).forEach(function (key) {
        if (KNOWN_DIRECTIVES.indexOf(key) !== -1) return;

        if (directives[key] && Object.keys(directives[key]).length) {
          completeFieldName += "@" + key + "(" + JSON.stringify(directives[key]) + ")";
        } else {
          completeFieldName += "@" + key;
        }
      });
    }

    return completeFieldName;
  }

  function argumentsObjectFromField(field, variables) {
    if (field.arguments && field.arguments.length) {
      var argObj_1 = {};
      field.arguments.forEach(function (_a) {
        var name = _a.name,
            value = _a.value;
        return valueToObjectRepresentation(argObj_1, name, value, variables);
      });
      return argObj_1;
    }

    return null;
  }

  function resultKeyNameFromField(field) {
    return field.alias ? field.alias.value : field.name.value;
  }

  function isField(selection) {
    return selection.kind === 'Field';
  }

  function isInlineFragment(selection) {
    return selection.kind === 'InlineFragment';
  }

  function isIdValue(idObject) {
    return idObject && idObject.type === 'id' && typeof idObject.generated === 'boolean';
  }

  function toIdValue(idConfig, generated) {
    if (generated === void 0) {
      generated = false;
    }

    return (0, _tslib.__assign)({
      type: 'id',
      generated: generated
    }, typeof idConfig === 'string' ? {
      id: idConfig,
      typename: undefined
    } : idConfig);
  }

  function isJsonValue(jsonObject) {
    return jsonObject != null && typeof jsonObject === 'object' && jsonObject.type === 'json';
  }

  function defaultValueFromVariable(node) {
    throw process.env.NODE_ENV === "production" ? new _tsInvariant.InvariantError(18) : new _tsInvariant.InvariantError("Variable nodes are not supported by valueFromNode");
  }

  function valueFromNode(node, onVariable) {
    if (onVariable === void 0) {
      onVariable = defaultValueFromVariable;
    }

    switch (node.kind) {
      case 'Variable':
        return onVariable(node);

      case 'NullValue':
        return null;

      case 'IntValue':
        return parseInt(node.value, 10);

      case 'FloatValue':
        return parseFloat(node.value);

      case 'ListValue':
        return node.values.map(function (v) {
          return valueFromNode(v, onVariable);
        });

      case 'ObjectValue':
        {
          var value = {};

          for (var _i = 0, _a = node.fields; _i < _a.length; _i++) {
            var field = _a[_i];
            value[field.name.value] = valueFromNode(field.value, onVariable);
          }

          return value;
        }

      default:
        return node.value;
    }
  }

  function getDirectiveInfoFromField(field, variables) {
    if (field.directives && field.directives.length) {
      var directiveObj_1 = {};
      field.directives.forEach(function (directive) {
        directiveObj_1[directive.name.value] = argumentsObjectFromField(directive, variables);
      });
      return directiveObj_1;
    }

    return null;
  }

  function shouldInclude(selection, variables) {
    if (variables === void 0) {
      variables = {};
    }

    return getInclusionDirectives(selection.directives).every(function (_a) {
      var directive = _a.directive,
          ifArgument = _a.ifArgument;
      var evaledValue = false;

      if (ifArgument.value.kind === 'Variable') {
        evaledValue = variables[ifArgument.value.name.value];
        process.env.NODE_ENV === "production" ? (0, _tsInvariant.invariant)(evaledValue !== void 0, 13) : (0, _tsInvariant.invariant)(evaledValue !== void 0, "Invalid variable referenced in @" + directive.name.value + " directive.");
      } else {
        evaledValue = ifArgument.value.value;
      }

      return directive.name.value === 'skip' ? !evaledValue : evaledValue;
    });
  }

  function getDirectiveNames(doc) {
    var names = [];
    (0, _visitor.visit)(doc, {
      Directive: function (node) {
        names.push(node.name.value);
      }
    });
    return names;
  }

  function hasDirectives(names, doc) {
    return getDirectiveNames(doc).some(function (name) {
      return names.indexOf(name) > -1;
    });
  }

  function hasClientExports(document) {
    return document && hasDirectives(['client'], document) && hasDirectives(['export'], document);
  }

  function isInclusionDirective(_a) {
    var value = _a.name.value;
    return value === 'skip' || value === 'include';
  }

  function getInclusionDirectives(directives) {
    return directives ? directives.filter(isInclusionDirective).map(function (directive) {
      var directiveArguments = directive.arguments;
      var directiveName = directive.name.value;
      process.env.NODE_ENV === "production" ? (0, _tsInvariant.invariant)(directiveArguments && directiveArguments.length === 1, 14) : (0, _tsInvariant.invariant)(directiveArguments && directiveArguments.length === 1, "Incorrect number of arguments for the @" + directiveName + " directive.");
      var ifArgument = directiveArguments[0];
      process.env.NODE_ENV === "production" ? (0, _tsInvariant.invariant)(ifArgument.name && ifArgument.name.value === 'if', 15) : (0, _tsInvariant.invariant)(ifArgument.name && ifArgument.name.value === 'if', "Invalid argument for the @" + directiveName + " directive.");
      var ifValue = ifArgument.value;
      process.env.NODE_ENV === "production" ? (0, _tsInvariant.invariant)(ifValue && (ifValue.kind === 'Variable' || ifValue.kind === 'BooleanValue'), 16) : (0, _tsInvariant.invariant)(ifValue && (ifValue.kind === 'Variable' || ifValue.kind === 'BooleanValue'), "Argument for the @" + directiveName + " directive must be a variable or a boolean value.");
      return {
        directive: directive,
        ifArgument: ifArgument
      };
    }) : [];
  }

  function getFragmentQueryDocument(document, fragmentName) {
    var actualFragmentName = fragmentName;
    var fragments = [];
    document.definitions.forEach(function (definition) {
      if (definition.kind === 'OperationDefinition') {
        throw process.env.NODE_ENV === "production" ? new _tsInvariant.InvariantError(11) : new _tsInvariant.InvariantError("Found a " + definition.operation + " operation" + (definition.name ? " named '" + definition.name.value + "'" : '') + ". " + 'No operations are allowed when using a fragment as a query. Only fragments are allowed.');
      }

      if (definition.kind === 'FragmentDefinition') {
        fragments.push(definition);
      }
    });

    if (typeof actualFragmentName === 'undefined') {
      process.env.NODE_ENV === "production" ? (0, _tsInvariant.invariant)(fragments.length === 1, 12) : (0, _tsInvariant.invariant)(fragments.length === 1, "Found " + fragments.length + " fragments. `fragmentName` must be provided when there is not exactly 1 fragment.");
      actualFragmentName = fragments[0].name.value;
    }

    var query = (0, _tslib.__assign)((0, _tslib.__assign)({}, document), {
      definitions: (0, _tslib.__spreadArrays)([{
        kind: 'OperationDefinition',
        operation: 'query',
        selectionSet: {
          kind: 'SelectionSet',
          selections: [{
            kind: 'FragmentSpread',
            name: {
              kind: 'Name',
              value: actualFragmentName
            }
          }]
        }
      }], document.definitions)
    });
    return query;
  }

  function assign(target) {
    var sources = [];

    for (var _i = 1; _i < arguments.length; _i++) {
      sources[_i - 1] = arguments[_i];
    }

    sources.forEach(function (source) {
      if (typeof source === 'undefined' || source === null) {
        return;
      }

      Object.keys(source).forEach(function (key) {
        target[key] = source[key];
      });
    });
    return target;
  }

  function getMutationDefinition(doc) {
    checkDocument(doc);
    var mutationDef = doc.definitions.filter(function (definition) {
      return definition.kind === 'OperationDefinition' && definition.operation === 'mutation';
    })[0];
    process.env.NODE_ENV === "production" ? (0, _tsInvariant.invariant)(mutationDef, 1) : (0, _tsInvariant.invariant)(mutationDef, 'Must contain a mutation definition.');
    return mutationDef;
  }

  function checkDocument(doc) {
    process.env.NODE_ENV === "production" ? (0, _tsInvariant.invariant)(doc && doc.kind === 'Document', 2) : (0, _tsInvariant.invariant)(doc && doc.kind === 'Document', "Expecting a parsed GraphQL document. Perhaps you need to wrap the query string in a \"gql\" tag? http://docs.apollostack.com/apollo-client/core.html#gql");
    var operations = doc.definitions.filter(function (d) {
      return d.kind !== 'FragmentDefinition';
    }).map(function (definition) {
      if (definition.kind !== 'OperationDefinition') {
        throw process.env.NODE_ENV === "production" ? new _tsInvariant.InvariantError(3) : new _tsInvariant.InvariantError("Schema type definitions not allowed in queries. Found: \"" + definition.kind + "\"");
      }

      return definition;
    });
    process.env.NODE_ENV === "production" ? (0, _tsInvariant.invariant)(operations.length <= 1, 4) : (0, _tsInvariant.invariant)(operations.length <= 1, "Ambiguous GraphQL document: contains " + operations.length + " operations");
    return doc;
  }

  function getOperationDefinition(doc) {
    checkDocument(doc);
    return doc.definitions.filter(function (definition) {
      return definition.kind === 'OperationDefinition';
    })[0];
  }

  function getOperationDefinitionOrDie(document) {
    var def = getOperationDefinition(document);
    process.env.NODE_ENV === "production" ? (0, _tsInvariant.invariant)(def, 5) : (0, _tsInvariant.invariant)(def, "GraphQL document is missing an operation");
    return def;
  }

  function getOperationName(doc) {
    return doc.definitions.filter(function (definition) {
      return definition.kind === 'OperationDefinition' && definition.name;
    }).map(function (x) {
      return x.name.value;
    })[0] || null;
  }

  function getFragmentDefinitions(doc) {
    return doc.definitions.filter(function (definition) {
      return definition.kind === 'FragmentDefinition';
    });
  }

  function getQueryDefinition(doc) {
    var queryDef = getOperationDefinition(doc);
    process.env.NODE_ENV === "production" ? (0, _tsInvariant.invariant)(queryDef && queryDef.operation === 'query', 6) : (0, _tsInvariant.invariant)(queryDef && queryDef.operation === 'query', 'Must contain a query definition.');
    return queryDef;
  }

  function getFragmentDefinition(doc) {
    process.env.NODE_ENV === "production" ? (0, _tsInvariant.invariant)(doc.kind === 'Document', 7) : (0, _tsInvariant.invariant)(doc.kind === 'Document', "Expecting a parsed GraphQL document. Perhaps you need to wrap the query string in a \"gql\" tag? http://docs.apollostack.com/apollo-client/core.html#gql");
    process.env.NODE_ENV === "production" ? (0, _tsInvariant.invariant)(doc.definitions.length <= 1, 8) : (0, _tsInvariant.invariant)(doc.definitions.length <= 1, 'Fragment must have exactly one definition.');
    var fragmentDef = doc.definitions[0];
    process.env.NODE_ENV === "production" ? (0, _tsInvariant.invariant)(fragmentDef.kind === 'FragmentDefinition', 9) : (0, _tsInvariant.invariant)(fragmentDef.kind === 'FragmentDefinition', 'Must be a fragment definition.');
    return fragmentDef;
  }

  function getMainDefinition(queryDoc) {
    checkDocument(queryDoc);
    var fragmentDefinition;

    for (var _i = 0, _a = queryDoc.definitions; _i < _a.length; _i++) {
      var definition = _a[_i];

      if (definition.kind === 'OperationDefinition') {
        var operation = definition.operation;

        if (operation === 'query' || operation === 'mutation' || operation === 'subscription') {
          return definition;
        }
      }

      if (definition.kind === 'FragmentDefinition' && !fragmentDefinition) {
        fragmentDefinition = definition;
      }
    }

    if (fragmentDefinition) {
      return fragmentDefinition;
    }

    throw process.env.NODE_ENV === "production" ? new _tsInvariant.InvariantError(10) : new _tsInvariant.InvariantError('Expected a parsed GraphQL query with a query, mutation, subscription, or a fragment.');
  }

  function createFragmentMap(fragments) {
    if (fragments === void 0) {
      fragments = [];
    }

    var symTable = {};
    fragments.forEach(function (fragment) {
      symTable[fragment.name.value] = fragment;
    });
    return symTable;
  }

  function getDefaultValues(definition) {
    if (definition && definition.variableDefinitions && definition.variableDefinitions.length) {
      var defaultValues = definition.variableDefinitions.filter(function (_a) {
        var defaultValue = _a.defaultValue;
        return defaultValue;
      }).map(function (_a) {
        var variable = _a.variable,
            defaultValue = _a.defaultValue;
        var defaultValueObj = {};
        valueToObjectRepresentation(defaultValueObj, variable.name, defaultValue);
        return defaultValueObj;
      });
      return assign.apply(void 0, (0, _tslib.__spreadArrays)([{}], defaultValues));
    }

    return {};
  }

  function variablesInOperation(operation) {
    var names = new Set();

    if (operation.variableDefinitions) {
      for (var _i = 0, _a = operation.variableDefinitions; _i < _a.length; _i++) {
        var definition = _a[_i];
        names.add(definition.variable.name.value);
      }
    }

    return names;
  }

  function filterInPlace(array, test, context) {
    var target = 0;
    array.forEach(function (elem, i) {
      if (test.call(this, elem, i, array)) {
        array[target++] = elem;
      }
    }, context);
    array.length = target;
    return array;
  }

  var TYPENAME_FIELD = {
    kind: 'Field',
    name: {
      kind: 'Name',
      value: '__typename'
    }
  };

  function isEmpty(op, fragments) {
    return op.selectionSet.selections.every(function (selection) {
      return selection.kind === 'FragmentSpread' && isEmpty(fragments[selection.name.value], fragments);
    });
  }

  function nullIfDocIsEmpty(doc) {
    return isEmpty(getOperationDefinition(doc) || getFragmentDefinition(doc), createFragmentMap(getFragmentDefinitions(doc))) ? null : doc;
  }

  function getDirectiveMatcher(directives) {
    return function directiveMatcher(directive) {
      return directives.some(function (dir) {
        return dir.name && dir.name === directive.name.value || dir.test && dir.test(directive);
      });
    };
  }

  function removeDirectivesFromDocument(directives, doc) {
    var variablesInUse = Object.create(null);
    var variablesToRemove = [];
    var fragmentSpreadsInUse = Object.create(null);
    var fragmentSpreadsToRemove = [];
    var modifiedDoc = nullIfDocIsEmpty((0, _visitor.visit)(doc, {
      Variable: {
        enter: function (node, _key, parent) {
          if (parent.kind !== 'VariableDefinition') {
            variablesInUse[node.name.value] = true;
          }
        }
      },
      Field: {
        enter: function (node) {
          if (directives && node.directives) {
            var shouldRemoveField = directives.some(function (directive) {
              return directive.remove;
            });

            if (shouldRemoveField && node.directives && node.directives.some(getDirectiveMatcher(directives))) {
              if (node.arguments) {
                node.arguments.forEach(function (arg) {
                  if (arg.value.kind === 'Variable') {
                    variablesToRemove.push({
                      name: arg.value.name.value
                    });
                  }
                });
              }

              if (node.selectionSet) {
                getAllFragmentSpreadsFromSelectionSet(node.selectionSet).forEach(function (frag) {
                  fragmentSpreadsToRemove.push({
                    name: frag.name.value
                  });
                });
              }

              return null;
            }
          }
        }
      },
      FragmentSpread: {
        enter: function (node) {
          fragmentSpreadsInUse[node.name.value] = true;
        }
      },
      Directive: {
        enter: function (node) {
          if (getDirectiveMatcher(directives)(node)) {
            return null;
          }
        }
      }
    }));

    if (modifiedDoc && filterInPlace(variablesToRemove, function (v) {
      return !variablesInUse[v.name];
    }).length) {
      modifiedDoc = removeArgumentsFromDocument(variablesToRemove, modifiedDoc);
    }

    if (modifiedDoc && filterInPlace(fragmentSpreadsToRemove, function (fs) {
      return !fragmentSpreadsInUse[fs.name];
    }).length) {
      modifiedDoc = removeFragmentSpreadFromDocument(fragmentSpreadsToRemove, modifiedDoc);
    }

    return modifiedDoc;
  }

  function addTypenameToDocument(doc) {
    return (0, _visitor.visit)(checkDocument(doc), {
      SelectionSet: {
        enter: function (node, _key, parent) {
          if (parent && parent.kind === 'OperationDefinition') {
            return;
          }

          var selections = node.selections;

          if (!selections) {
            return;
          }

          var skip = selections.some(function (selection) {
            return isField(selection) && (selection.name.value === '__typename' || selection.name.value.lastIndexOf('__', 0) === 0);
          });

          if (skip) {
            return;
          }

          var field = parent;

          if (isField(field) && field.directives && field.directives.some(function (d) {
            return d.name.value === 'export';
          })) {
            return;
          }

          return (0, _tslib.__assign)((0, _tslib.__assign)({}, node), {
            selections: (0, _tslib.__spreadArrays)(selections, [TYPENAME_FIELD])
          });
        }
      }
    });
  }

  var connectionRemoveConfig = {
    test: function (directive) {
      var willRemove = directive.name.value === 'connection';

      if (willRemove) {
        if (!directive.arguments || !directive.arguments.some(function (arg) {
          return arg.name.value === 'key';
        })) {
          process.env.NODE_ENV === "production" || _tsInvariant.invariant.warn('Removing an @connection directive even though it does not have a key. ' + 'You may want to use the key parameter to specify a store key.');
        }
      }

      return willRemove;
    }
  };

  function removeConnectionDirectiveFromDocument(doc) {
    return removeDirectivesFromDocument([connectionRemoveConfig], checkDocument(doc));
  }

  function hasDirectivesInSelectionSet(directives, selectionSet, nestedCheck) {
    if (nestedCheck === void 0) {
      nestedCheck = true;
    }

    return selectionSet && selectionSet.selections && selectionSet.selections.some(function (selection) {
      return hasDirectivesInSelection(directives, selection, nestedCheck);
    });
  }

  function hasDirectivesInSelection(directives, selection, nestedCheck) {
    if (nestedCheck === void 0) {
      nestedCheck = true;
    }

    if (!isField(selection)) {
      return true;
    }

    if (!selection.directives) {
      return false;
    }

    return selection.directives.some(getDirectiveMatcher(directives)) || nestedCheck && hasDirectivesInSelectionSet(directives, selection.selectionSet, nestedCheck);
  }

  function getDirectivesFromDocument(directives, doc) {
    checkDocument(doc);
    var parentPath;
    return nullIfDocIsEmpty((0, _visitor.visit)(doc, {
      SelectionSet: {
        enter: function (node, _key, _parent, path) {
          var currentPath = path.join('-');

          if (!parentPath || currentPath === parentPath || !currentPath.startsWith(parentPath)) {
            if (node.selections) {
              var selectionsWithDirectives = node.selections.filter(function (selection) {
                return hasDirectivesInSelection(directives, selection);
              });

              if (hasDirectivesInSelectionSet(directives, node, false)) {
                parentPath = currentPath;
              }

              return (0, _tslib.__assign)((0, _tslib.__assign)({}, node), {
                selections: selectionsWithDirectives
              });
            } else {
              return null;
            }
          }
        }
      }
    }));
  }

  function getArgumentMatcher(config) {
    return function argumentMatcher(argument) {
      return config.some(function (aConfig) {
        return argument.value && argument.value.kind === 'Variable' && argument.value.name && (aConfig.name === argument.value.name.value || aConfig.test && aConfig.test(argument));
      });
    };
  }

  function removeArgumentsFromDocument(config, doc) {
    var argMatcher = getArgumentMatcher(config);
    return nullIfDocIsEmpty((0, _visitor.visit)(doc, {
      OperationDefinition: {
        enter: function (node) {
          return (0, _tslib.__assign)((0, _tslib.__assign)({}, node), {
            variableDefinitions: node.variableDefinitions.filter(function (varDef) {
              return !config.some(function (arg) {
                return arg.name === varDef.variable.name.value;
              });
            })
          });
        }
      },
      Field: {
        enter: function (node) {
          var shouldRemoveField = config.some(function (argConfig) {
            return argConfig.remove;
          });

          if (shouldRemoveField) {
            var argMatchCount_1 = 0;
            node.arguments.forEach(function (arg) {
              if (argMatcher(arg)) {
                argMatchCount_1 += 1;
              }
            });

            if (argMatchCount_1 === 1) {
              return null;
            }
          }
        }
      },
      Argument: {
        enter: function (node) {
          if (argMatcher(node)) {
            return null;
          }
        }
      }
    }));
  }

  function removeFragmentSpreadFromDocument(config, doc) {
    function enter(node) {
      if (config.some(function (def) {
        return def.name === node.name.value;
      })) {
        return null;
      }
    }

    return nullIfDocIsEmpty((0, _visitor.visit)(doc, {
      FragmentSpread: {
        enter: enter
      },
      FragmentDefinition: {
        enter: enter
      }
    }));
  }

  function getAllFragmentSpreadsFromSelectionSet(selectionSet) {
    var allFragments = [];
    selectionSet.selections.forEach(function (selection) {
      if ((isField(selection) || isInlineFragment(selection)) && selection.selectionSet) {
        getAllFragmentSpreadsFromSelectionSet(selection.selectionSet).forEach(function (frag) {
          return allFragments.push(frag);
        });
      } else if (selection.kind === 'FragmentSpread') {
        allFragments.push(selection);
      }
    });
    return allFragments;
  }

  function buildQueryFromSelectionSet(document) {
    var definition = getMainDefinition(document);
    var definitionOperation = definition.operation;

    if (definitionOperation === 'query') {
      return document;
    }

    var modifiedDoc = (0, _visitor.visit)(document, {
      OperationDefinition: {
        enter: function (node) {
          return (0, _tslib.__assign)((0, _tslib.__assign)({}, node), {
            operation: 'query'
          });
        }
      }
    });
    return modifiedDoc;
  }

  function removeClientSetsFromDocument(document) {
    checkDocument(document);
    var modifiedDoc = removeDirectivesFromDocument([{
      test: function (directive) {
        return directive.name.value === 'client';
      },
      remove: true
    }], document);

    if (modifiedDoc) {
      modifiedDoc = (0, _visitor.visit)(modifiedDoc, {
        FragmentDefinition: {
          enter: function (node) {
            if (node.selectionSet) {
              var isTypenameOnly = node.selectionSet.selections.every(function (selection) {
                return isField(selection) && selection.name.value === '__typename';
              });

              if (isTypenameOnly) {
                return null;
              }
            }
          }
        }
      });
    }

    return modifiedDoc;
  }

  var canUseWeakMap = typeof WeakMap === 'function' && !(typeof navigator === 'object' && navigator.product === 'ReactNative');
  _exports.canUseWeakMap = canUseWeakMap;
  var toString = Object.prototype.toString;

  function cloneDeep(value) {
    return cloneDeepHelper(value, new Map());
  }

  function cloneDeepHelper(val, seen) {
    switch (toString.call(val)) {
      case "[object Array]":
        {
          if (seen.has(val)) return seen.get(val);
          var copy_1 = val.slice(0);
          seen.set(val, copy_1);
          copy_1.forEach(function (child, i) {
            copy_1[i] = cloneDeepHelper(child, seen);
          });
          return copy_1;
        }

      case "[object Object]":
        {
          if (seen.has(val)) return seen.get(val);
          var copy_2 = Object.create(Object.getPrototypeOf(val));
          seen.set(val, copy_2);
          Object.keys(val).forEach(function (key) {
            copy_2[key] = cloneDeepHelper(val[key], seen);
          });
          return copy_2;
        }

      default:
        return val;
    }
  }

  function getEnv() {
    if (typeof process !== 'undefined' && process.env.NODE_ENV) {
      return process.env.NODE_ENV;
    }

    return 'development';
  }

  function isEnv(env) {
    return getEnv() === env;
  }

  function isProduction() {
    return isEnv('production') === true;
  }

  function isDevelopment() {
    return isEnv('development') === true;
  }

  function isTest() {
    return isEnv('test') === true;
  }

  function tryFunctionOrLogError(f) {
    try {
      return f();
    } catch (e) {
      if (console.error) {
        console.error(e);
      }
    }
  }

  function graphQLResultHasError(result) {
    return result.errors && result.errors.length;
  }

  function deepFreeze(o) {
    Object.freeze(o);
    Object.getOwnPropertyNames(o).forEach(function (prop) {
      if (o[prop] !== null && (typeof o[prop] === 'object' || typeof o[prop] === 'function') && !Object.isFrozen(o[prop])) {
        deepFreeze(o[prop]);
      }
    });
    return o;
  }

  function maybeDeepFreeze(obj) {
    if (isDevelopment() || isTest()) {
      var symbolIsPolyfilled = typeof Symbol === 'function' && typeof Symbol('') === 'string';

      if (!symbolIsPolyfilled) {
        return deepFreeze(obj);
      }
    }

    return obj;
  }

  var hasOwnProperty = Object.prototype.hasOwnProperty;

  function mergeDeep() {
    var sources = [];

    for (var _i = 0; _i < arguments.length; _i++) {
      sources[_i] = arguments[_i];
    }

    return mergeDeepArray(sources);
  }

  function mergeDeepArray(sources) {
    var target = sources[0] || {};
    var count = sources.length;

    if (count > 1) {
      var pastCopies = [];
      target = shallowCopyForMerge(target, pastCopies);

      for (var i = 1; i < count; ++i) {
        target = mergeHelper(target, sources[i], pastCopies);
      }
    }

    return target;
  }

  function isObject(obj) {
    return obj !== null && typeof obj === 'object';
  }

  function mergeHelper(target, source, pastCopies) {
    if (isObject(source) && isObject(target)) {
      if (Object.isExtensible && !Object.isExtensible(target)) {
        target = shallowCopyForMerge(target, pastCopies);
      }

      Object.keys(source).forEach(function (sourceKey) {
        var sourceValue = source[sourceKey];

        if (hasOwnProperty.call(target, sourceKey)) {
          var targetValue = target[sourceKey];

          if (sourceValue !== targetValue) {
            target[sourceKey] = mergeHelper(shallowCopyForMerge(targetValue, pastCopies), sourceValue, pastCopies);
          }
        } else {
          target[sourceKey] = sourceValue;
        }
      });
      return target;
    }

    return source;
  }

  function shallowCopyForMerge(value, pastCopies) {
    if (value !== null && typeof value === 'object' && pastCopies.indexOf(value) < 0) {
      if (Array.isArray(value)) {
        value = value.slice(0);
      } else {
        value = (0, _tslib.__assign)({
          __proto__: Object.getPrototypeOf(value)
        }, value);
      }

      pastCopies.push(value);
    }

    return value;
  }

  var haveWarned = Object.create({});

  function warnOnceInDevelopment(msg, type) {
    if (type === void 0) {
      type = 'warn';
    }

    if (!isProduction() && !haveWarned[msg]) {
      if (!isTest()) {
        haveWarned[msg] = true;
      }

      if (type === 'error') {
        console.error(msg);
      } else {
        console.warn(msg);
      }
    }
  }

  function stripSymbols(data) {
    return JSON.parse(JSON.stringify(data));
  } 

});