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astFromValue: Cannot convert value to AST #73

@anhldbk

Description

@anhldbk

Hi guys,

I'm trying to use this beautiful library in the following code, but it throws an exception:

/Users/xxx/Works/gql/node_modules/graphql/utilities/astFromValue.js:132
          throw _iteratorError;
          ^

TypeError: Cannot convert value to AST: { key: "value" }
    at astFromValue (/Users/xxx/Works/gql/node_modules/graphql/utilities/astFromValue.js:195:11)
    at astFromValue (/Users/xxx/Works/gql/node_modules/graphql/utilities/astFromValue.js:109:26)
    at Object.<anonymous> (/Users/xxx/Works/gql/app.js:73:11)
    at Module._compile (internal/modules/cjs/loader.js:738:30)
    at loader (/Users/xxx/Works/gql/node_modules/babel-register/lib/node.js:144:5)
    at Object.require.extensions.(anonymous function) [as .js] (/Users/xxx/Works/gql/node_modules/babel-register/lib/node.js:154:7)
    at Module.load (internal/modules/cjs/loader.js:630:32)
    at tryModuleLoad (internal/modules/cjs/loader.js:570:12)
    at Function.Module._load (internal/modules/cjs/loader.js:562:3)
    at Function.Module.runMain (internal/modules/cjs/loader.js:801:12)

Here's the code

import { makeExecutableSchema } from 'graphql-tools';
import GraphQLJSON from 'graphql-type-json';
import {
  astFromValue,
  valueFromAST,
  isValidJSValue
} from 'graphql/utilities'

const typeDefs = `
scalar JSON

type MyType {
  extra: JSON
}

# ...
`;

const resolvers = {
  JSON: GraphQLJSON,
};

var schema = makeExecutableSchema({ typeDefs, resolvers });

var myType = schema.getType('Message'

var value = {
    extra: {'key': 'value'}
}


// THIS WILL THROW EXCEPTIONS
astFromValue(value, myType)

Would you please tell me how to fix this? Thanks in advance!

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