Update graphql to the latest version 🚀

[greenkeeper]

Version 14.0.0 of graphql was just published.

Dependency	graphql
Current Version	0.13.2
Type	dependency

The version 14.0.0 is not covered by your current version range.

If you don’t accept this pull request, your project will work just like it did before. However, you might be missing out on a bunch of new features, fixes and/or performance improvements from the dependency update.

It might be worth looking into these changes and trying to get this project onto the latest version of graphql.

If you have a solid test suite and good coverage, a passing build is a strong indicator that you can take advantage of these changes directly by merging the proposed change into your project. If the build fails or you don’t have such unconditional trust in your tests, this branch is a great starting point for you to work on the update.

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Release Notes

v14.0.0

Breaking:

• Drops support for node v4 and v9, makes sure node v10 is supported (#1338, #1445)
• Reject invalid scalar value coercion (#1365, #1336)
• Removes VariablesDefaultValueAllowed validation rule, and ProvidedNonNullArguments became ProvidedRequiredArguments (#1274)
• Stricter coercion of Scalar Types (#1382)
• Removes deprecated Introspection fields onOperation, onFragment, and onField (#1385, #1429)
• GraphQL*Config are now exact types (#1391, #1443)
• "Schema Change" keys in BreakingChangeType and DangerousChangeType for detecting adding args and input fields changed name (#1492)
• formatError API changed for error message extensions. To upgrade without changing existing server responses, wrap graphql's formatError:

import { formatError as baseFormatError, /* ... */ } from 'graphql';
{

// other options

formatError(error) {

const { extensions, ...rest } = baseFormatError(error);

return { ...extensions, ...rest };

},

}

New:

• Parse new schema extensions (#1314, #1323)
• Export SDL AST types (#1315)
• extendSchema extended with spec-compliant SDL extensions (#1373, #1392, #1441)
• symbol.toStringTag support (#1297)
• Expose getOperationRootType(schema, operationAST) (#1345)
• Package is marked as side-effect free (#1312)
• validateSchema works with Schema extensions (#1410)
• validate works on SDL definitions (#1438, #1383)
• directives can be added to variable definitions, behind experimentalVariableDefinitionDirectives flag (#1437, #1454)
• ASTNode predicates, like isDefinitionNode and isTypeSystemDefinitionNode (#1459)
• isRequiredArgument and isRequiredInputField predicates (#1463)

Fixed:

• Fixes for custom enum types
• Prettier, Flow and eslint upgrades (#1304, #1319)
• Babel 7 upgrade (#1350)
• Introspection query perf improved (#1329)
• introspectionFromSchema has default options (#1408)
• buildSchema memory leaks and infinite recursion fixed (#1417, #1427)
• watch command fixed (#1449)
• Benchmarking for validation (#1471)

Deprecated:

These will be removed in v15

• introspectionQuery, use getIntrospectionQuery (#1386)
• getDescription, use the schema AST node to get descriptions (#1396)
• isValidJSValue, use coerceValue (#1386)
• isValidLiteralValue, use validation (#1386)

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