Gatsby: GraphQL query error since gatsby-transformer-remark 2.7.4 release

[mabhub]

Description

Build fail when gatsby-transformer-remark is upgraded _(from either 2.6.59 or 2.7.3)_ to 2.7.4

(Issue may be related to 82c05aa)

Steps to reproduce

As the issue seems to rely on async processing and depending on amount of GraphQL nodes to process, I wasn't able to create a minimal reproduction test case. But the project I'm working on is open source, so you may reproduce the error with it:
Build may take several minute to complete

$ git clone --branch test-case --depth=1 https://github.com/solagro/awa.git
$ cd awa
$ npm ci && npm run build
$ # Build success

$ npm i [email protected]
$ npm run clean && npm run build
$ # Build fail

Expected result

Successfull build

Actual result

Build error

[...]

success onPostBootstrap - 0.009s
info bootstrap finished - 17.681 s
success Building production JavaScript and CSS bundles - 55.534s
success Rewriting compilation hashes - 0.007s

 ERROR #85901  GRAPHQL

There was an error in your GraphQL query:

Expected node, not `[object Object]`

   1 | query tmpawasrccomponentsClimateObservationsJs3511084170($gridCode: String, $sourceType: String, $language: String) {
   2 |   allGridPointData(filter: {gridCode: {eq: $gridCode}, sourceType: {eq: $sourceType}}, sort: {fields: [gridCode, dataType]}) {
   3 |     nodes {
   4 |       dataType
   5 |       json
   6 |     }
   7 |   }
   8 |   allTexts: allMarkdownRemark(sort: {fields: fileAbsolutePath}, filter: {frontmatter: {sourceType: {eq: $sourceType}, locale: {eq: $language}}}) {
   9 |     nodes {
> 10 |       html
     |       ^
  11 |       frontmatter {
  12 |         dataType
  13 |       }
  14 |     }
  15 |   }
  16 | }
  17 |

File path: /tmp/awa/src/components/ClimateObservations.js
Url path: /en/map/100132/climate-observations
Plugin: none


 ERROR #85901  GRAPHQL

There was an error in your GraphQL query:

Expected node, not `[object Object]`

   1 | query tmpawasrccomponentsClimateObservationsJs3511084170($gridCode: String, $sourceType: String, $language: String) {
   2 |   allGridPointData(filter: {gridCode: {eq: $gridCode}, sourceType: {eq: $sourceType}}, sort: {fields: [gridCode, dataType]}) {
   3 |     nodes {
   4 |       dataType
   5 |       json
   6 |     }
   7 |   }
   8 |   allTexts: allMarkdownRemark(sort: {fields: fileAbsolutePath}, filter: {frontmatter: {sourceType: {eq: $sourceType}, locale: {eq: $language}}}) {
   9 |     nodes {
> 10 |       html
     |       ^
  11 |       frontmatter {
  12 |         dataType
  13 |       }
  14 |     }
  15 |   }
  16 | }
  17 |

File path: /tmp/awa/src/components/ClimateObservations.js
Url path: /en/map/100132/climate-observations
Plugin: none

not finished run queries - 67.894s

Environment

  System:
    OS: Linux 5.4 Ubuntu 20.04 LTS (Focal Fossa)
    CPU: (4) x64 Intel(R) Core(TM) i7-6500U CPU @ 2.50GHz
    Shell: 5.8 - /usr/bin/zsh
  Binaries:
    Node: 12.16.2 - ~/.nvm/versions/node/v12.16.2/bin/node
    npm: 6.14.4 - ~/.nvm/versions/node/v12.16.2/bin/npm
  Languages:
    Python: 2.7.18 - /usr/bin/python
  Browsers:
    Firefox: 76.0b7
  npmPackages:
    gatsby: ~2.20.29 => 2.20.29
    gatsby-image: ~2.3.4 => 2.3.4
    gatsby-plugin-google-analytics: ~2.2.4 => 2.2.4
    gatsby-plugin-manifest: ~2.3.6 => 2.3.6
    gatsby-plugin-material-ui: ~2.1.6 => 2.1.6
    gatsby-plugin-modal-routing: ^1.1.0 => 1.1.0
    gatsby-plugin-netlify: ~2.2.3 => 2.2.3
    gatsby-plugin-netlify-cms: ~4.2.4 => 4.2.4
    gatsby-plugin-offline: ~3.1.4 => 3.1.4
    gatsby-plugin-react-helmet: ~3.2.4 => 3.2.4
    gatsby-plugin-remove-serviceworker: ~1.0.0 => 1.0.0
    gatsby-plugin-robots-txt: ~1.5.0 => 1.5.0
    gatsby-plugin-sharp: ~2.5.6 => 2.5.6
    gatsby-plugin-sitemap: ~2.3.5 => 2.3.5
    gatsby-plugin-uninline-styles: ~0.2.0 => 0.2.0
    gatsby-plugin-web-font-loader: ~1.0.4 => 1.0.4
    gatsby-remark-external-links: 0.0.4 => 0.0.4
    gatsby-source-filesystem: ~2.2.4 => 2.2.4
    gatsby-transformer-json: ~2.3.3 => 2.3.3
    gatsby-transformer-remark: ~2.7.4 => 2.7.4
    gatsby-transformer-sharp: ~2.4.6 => 2.4.6
  npmGlobalPackages:
    gatsby-transformer-remark: 2.7.4
    gatsby: 2.20.27

[pieh]

I can definitely reproduce, but it seems unreasonably difficult to debug what exactly is happening - for some reason attaching debugger makes the problem not reproducible anymore

[pieh]

Adding at least stack trace of where the error happens:

Expected node, not `[object Object]`



  Error: Expected node, not `[object Object]`

  - one.js:21 one
    [i23426]/[hast-util-to-html]/lib/one.js:21:11

  - index.js:28 toHTML
    [i23426]/[hast-util-to-html]/lib/index.js:28:10

  - extend-node-type.js:369 getHTML
    [i23426]/[gatsby-transformer-remark]/extend-node-type.js:369:22

  - next_tick.js:68 process._tickCallback
    internal/process/next_tick.js:68:7

More to follow

[pieh]

Ah, seems like this was already discovered ( https://github.com/gatsbyjs/gatsby/pull/21188#issuecomment-618494200 ) and fixed ( https://github.com/gatsbyjs/gatsby/pull/23427 ) in master, but not yet published to npm. I will publish this tomorrow (finishing for today)

[pieh]

So for today, please pin to previous gatsby-transformer-remark, and next publish should fix this as well.

I applied same fix from https://github.com/gatsbyjs/gatsby/pull/23427 locally and couldn't reproduce the problem anymore.

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As a friendly reminder: the best way to see this issue, or any other, fixed is to open a Pull Request. Check out gatsby.dev/contribute for more information about opening PRs, triaging issues, and contributing!

Thanks again for being part of the Gatsby community! 💪💜