Generating duplicate types on fragments

[xndyz]

Thank you for all the work on the v1 release! I'm experiencing duplicate types being generated when using this along with a plugin that has introspecting GraphQL like Contentful:

ERROR in /Users/fang/app/src/__generated__/gatsby-types.ts(10461,13):
10461:13 Duplicate identifier 'GatsbyContentfulSizes_withWebp_noBase64Fragment'.
    10459 | export type GatsbyContentfulSizes_withWebpFragment = Pick<ContentfulSizes, 'base64' | 'aspectRatio' | 'src' | 'srcSet' | 'srcWebp' | 'srcSetWebp' | 'sizes'>;
    10460 | 
  > 10461 | export type GatsbyContentfulSizes_withWebp_noBase64Fragment = Pick<ContentfulSizes, 'aspectRatio' | 'src' | 'srcSet' | 'srcWebp' | 'srcSetWebp' | 'sizes'>;
          |             ^
    10462 | 
    10463 | export type PagesQueryQueryVariables = {};
    10464 | 

failed Building development bundle - 50.337s

^ This is just one example, it's happening for all fragments. Is there a current workaround for this or will there need to be a fix? @cometkim

[cometkim]

Hey @Fandy , thank you for reporting this!

Can you provide some example or starter project I can test on?

[xndyz]

Yes if you clone https://github.com/gatsbyjs/gatsby/tree/master/examples/using-contentful and add the typegen plugin, it should error

[cometkim]

I just tested on gatsby-contentful-starter with no errors (just fixed up #35), let me try that example too.

[cometkim]

Ref apollographql/graphql-tag#278

my bad. It does not depend on apollo's graphql-tag at all

[cometkim]

No duplicate identifiers appear in emitted plugin documents that are actually loaded.

This is likely a bug in graphql-codegen. Hey @dotansimha, Can you help me solve this problem?

config:

    {
      resolve: 'gatsby-plugin-typegen',
      options: {
        emitPluginDocuments: {
          'src/__generated__/gatsby-plugin-documents.graphql': true,
        },
      },
    },

output:

fragment GatsbyContentfulFixed on ContentfulFixed {
  base64
  width
  height
  src
  srcSet
}

fragment GatsbyContentfulFixed_tracedSVG on ContentfulFixed {
  tracedSVG
  width
  height
  src
  srcSet
}

fragment GatsbyContentfulFixed_noBase64 on ContentfulFixed {
  width
  height
  src
  srcSet
}

fragment GatsbyContentfulFixed_withWebp on ContentfulFixed {
  base64
  width
  height
  src
  srcSet
  srcWebp
  srcSetWebp
}

fragment GatsbyContentfulFixed_withWebp_noBase64 on ContentfulFixed {
  width
  height
  src
  srcSet
  srcWebp
  srcSetWebp
}

fragment GatsbyContentfulFluid on ContentfulFluid {
  base64
  aspectRatio
  src
  srcSet
  sizes
}

fragment GatsbyContentfulFluid_tracedSVG on ContentfulFluid {
  tracedSVG
  aspectRatio
  src
  srcSet
  sizes
}

fragment GatsbyContentfulFluid_noBase64 on ContentfulFluid {
  aspectRatio
  src
  srcSet
  sizes
}

fragment GatsbyContentfulFluid_withWebp on ContentfulFluid {
  base64
  aspectRatio
  src
  srcSet
  srcWebp
  srcSetWebp
  sizes
}

fragment GatsbyContentfulFluid_withWebp_noBase64 on ContentfulFluid {
  aspectRatio
  src
  srcSet
  srcWebp
  srcSetWebp
  sizes
}

fragment GatsbyContentfulResolutions on ContentfulResolutions {
  base64
  width
  height
  src
  srcSet
}

fragment GatsbyContentfulResolutions_tracedSVG on ContentfulResolutions {
  tracedSVG
  width
  height
  src
  srcSet
}

fragment GatsbyContentfulResolutions_noBase64 on ContentfulResolutions {
  width
  height
  src
  srcSet
}

fragment GatsbyContentfulResolutions_withWebp on ContentfulResolutions {
  base64
  width
  height
  src
  srcSet
  srcWebp
  srcSetWebp
}

fragment GatsbyContentfulResolutions_withWebp_noBase64 on ContentfulResolutions {
  width
  height
  src
  srcSet
  srcWebp
  srcSetWebp
}

fragment GatsbyContentfulSizes on ContentfulSizes {
  base64
  aspectRatio
  src
  srcSet
  sizes
}

fragment GatsbyContentfulSizes_tracedSVG on ContentfulSizes {
  tracedSVG
  aspectRatio
  src
  srcSet
  sizes
}

fragment GatsbyContentfulSizes_noBase64 on ContentfulSizes {
  aspectRatio
  src
  srcSet
  sizes
}

fragment GatsbyContentfulSizes_withWebp on ContentfulSizes {
  base64
  aspectRatio
  src
  srcSet
  srcWebp
  srcSetWebp
  sizes
}

fragment GatsbyContentfulSizes_withWebp_noBase64 on ContentfulSizes {
  aspectRatio
  src
  srcSet
  srcWebp
  srcSetWebp
  sizes
}


query PagesQuery {
  allSitePage(filter: { path: { ne: "/dev-404-page/" } }) {
    nodes {
      path
    }
  }
}

[cometkim]

Related with #36

[xndyz]

FYI I'm not using gatsby-plugin-typography. Here is my gatsby-config if it helps.

const path = require('path')

require('dotenv').config()

module.exports = {
  plugins: [
    'gatsby-plugin-netlify-cache',
    'gatsby-plugin-sitemap',
    'gatsby-plugin-typescript',
    'gatsby-plugin-typescript-checker',
    {
      resolve: 'gatsby-plugin-sass',
      options: {
        sassRuleTest: /.^/, // match nothing
        sassRuleModulesTest: /\.s(a|c)ss$/,
      },
    },
    'gatsby-plugin-typegen',
    'gatsby-plugin-react-helmet',
    {
      resolve: 'gatsby-plugin-layout',
      options: {
        component: require.resolve('./src/pages/app.tsx'),
      },
    },
    {
      resolve: 'gatsby-plugin-alias-imports',
      options: {
        alias: {
          '@': './src/@',
          assets: './src/assets',
        },
        extensions: [],
      },
    },
    {
      resolve: 'gatsby-source-filesystem',
      options: {
        name: 'images',
        path: `${__dirname}/src/assets/images`,
      },
    },
    'gatsby-transformer-sharp',
    {
      resolve: 'gatsby-plugin-sharp',
      options: {
        defaultQuality: 95,
      },
    },
    'gatsby-plugin-manifest',
    'gatsby-plugin-offline',
    'gatsby-plugin-remove-trailing-slashes',
    {
      resolve: 'gatsby-source-contentful',
      options: {
        spaceId: process.env.CONTENTFUL_SPACE_ID,
        // Learn about environment variables: https://gatsby.dev/env-vars
        accessToken: process.env.CONTENTFUL_ACCESS_TOKEN,
        downloadLocal: true,
        // Need forceFullSync to keep the embedded block nodes in rich text up to date
        // See: https://github.com/gatsbyjs/gatsby/issues/10592#issuecomment-542919638
        forceFullSync: true,
      },
    },
    {
      resolve: 'gatsby-plugin-google-analytics',
      options: {
        // The property ID; the tracking code won't be generated without it
        trackingId: 'UA-150834735-1',
        // Defines where to place the tracking script - `true` in the head and `false` in the body
        head: false,
        // Avoids sending pageview hits from custom paths
        exclude: [],
      },
    },
  ],
}

I wonder if generating outside src will fix it?

[cometkim]

I wonder if generating outside src will fix it?

@Fandy Yes... It seems to be a bug associated with gatsby file-parser, but I'm not sure why. let me take a look more.

[cometkim]

Sorry. a few more several tests, even if I created a file outside of src, the same issue occurs when a document changed.

[cometkim]

There are some behaviors in the file parser that I cannot control. Calling the file parser externally was not a good idea. I will check again if it can be solved with graphql-toolkit.