import { visit } from 'graphql/language/visitor';
import { InvariantError, invariant } from 'ts-invariant';
import { __assign, __spreadArrays } from 'tslib';
import stringify from 'fast-json-stable-stringify';
export { equal as isEqual } from '@wry/equality';

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 InvariantError(17) : new 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 = stringify(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 __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 InvariantError(18) : new 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" ? invariant(evaledValue !== void 0, 13) : 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 = [];
    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" ? invariant(directiveArguments && directiveArguments.length === 1, 14) : invariant(directiveArguments && directiveArguments.length === 1, "Incorrect number of arguments for the @" + directiveName + " directive.");
        var ifArgument = directiveArguments[0];
        process.env.NODE_ENV === "production" ? invariant(ifArgument.name && ifArgument.name.value === 'if', 15) : invariant(ifArgument.name && ifArgument.name.value === 'if', "Invalid argument for the @" + directiveName + " directive.");
        var ifValue = ifArgument.value;
        process.env.NODE_ENV === "production" ? invariant(ifValue &&
            (ifValue.kind === 'Variable' || ifValue.kind === 'BooleanValue'), 16) : 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 InvariantError(11) : new 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" ? invariant(fragments.length === 1, 12) : 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 = __assign(__assign({}, document), { definitions: __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" ? invariant(mutationDef, 1) : invariant(mutationDef, 'Must contain a mutation definition.');
    return mutationDef;
}
function checkDocument(doc) {
    process.env.NODE_ENV === "production" ? invariant(doc && doc.kind === 'Document', 2) : 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 InvariantError(3) : new InvariantError("Schema type definitions not allowed in queries. Found: \"" + definition.kind + "\"");
        }
        return definition;
    });
    process.env.NODE_ENV === "production" ? invariant(operations.length <= 1, 4) : 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" ? invariant(def, 5) : 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" ? invariant(queryDef && queryDef.operation === 'query', 6) : invariant(queryDef && queryDef.operation === 'query', 'Must contain a query definition.');
    return queryDef;
}
function getFragmentDefinition(doc) {
    process.env.NODE_ENV === "production" ? invariant(doc.kind === 'Document', 7) : 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" ? invariant(doc.definitions.length <= 1, 8) : invariant(doc.definitions.length <= 1, 'Fragment must have exactly one definition.');
    var fragmentDef = doc.definitions[0];
    process.env.NODE_ENV === "production" ? invariant(fragmentDef.kind === 'FragmentDefinition', 9) : 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 InvariantError(10) : new 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, __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(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 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 __assign(__assign({}, node), { selections: __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" || 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(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 __assign(__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(visit(doc, {
        OperationDefinition: {
            enter: function (node) {
                return __assign(__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(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 = visit(document, {
        OperationDefinition: {
            enter: function (node) {
                return __assign(__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 = 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');

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 = __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));
}

export { addTypenameToDocument, argumentsObjectFromField, assign, buildQueryFromSelectionSet, canUseWeakMap, checkDocument, cloneDeep, createFragmentMap, getDefaultValues, getDirectiveInfoFromField, getDirectiveNames, getDirectivesFromDocument, getEnv, getFragmentDefinition, getFragmentDefinitions, getFragmentQueryDocument, getInclusionDirectives, getMainDefinition, getMutationDefinition, getOperationDefinition, getOperationDefinitionOrDie, getOperationName, getQueryDefinition, getStoreKeyName, graphQLResultHasError, hasClientExports, hasDirectives, isDevelopment, isEnv, isField, isIdValue, isInlineFragment, isJsonValue, isNumberValue, isProduction, isScalarValue, isTest, maybeDeepFreeze, mergeDeep, mergeDeepArray, removeArgumentsFromDocument, removeClientSetsFromDocument, removeConnectionDirectiveFromDocument, removeDirectivesFromDocument, removeFragmentSpreadFromDocument, resultKeyNameFromField, shouldInclude, storeKeyNameFromField, stripSymbols, toIdValue, tryFunctionOrLogError, valueFromNode, valueToObjectRepresentation, variablesInOperation, warnOnceInDevelopment };
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