[Gatsby-plugin-contentful] `excerpt` returns an empty string

[smakosh]

Description

I'm trying to get a description for each article managed on Contentful using excerpt but I get an empty string instead.

Expected result

I should get the article's text but limited to the number of characters I passed to pruneLength

Actual result

Environment

System:
    OS: macOS 10.14
    CPU: x64 Intel(R) Core(TM) i5-7267U CPU @ 3.10GHz
    Shell: 5.3 - /bin/zsh
  Binaries:
    Node: 10.13.0 - /usr/local/bin/node
    Yarn: 1.12.1 - /usr/local/bin/yarn
    npm: 6.4.1 - /usr/local/bin/npm
  Browsers:
    Chrome: 70.0.3538.110
    Safari: 12.0
  npmPackages:
    gatsby: ^2.0.61 => 2.0.61
    gatsby-image: ^2.0.20 => 2.0.22
    gatsby-plugin-canonical-urls: ^2.0.8 => 2.0.8
    gatsby-plugin-catch-links: ^2.0.9 => 2.0.9
    gatsby-plugin-favicon: ^3.1.4 => 3.1.4
    gatsby-plugin-feed: ^2.0.11 => 2.0.11
    gatsby-plugin-manifest: ^2.0.9 => 2.0.11
    gatsby-plugin-netlify: ^2.0.6 => 2.0.6
    gatsby-plugin-nprogress: ^2.0.7 => 2.0.7
    gatsby-plugin-offline: ^2.0.16 => 2.0.18
    gatsby-plugin-react-helmet: ^3.0.2 => 3.0.4
    gatsby-plugin-robots-txt: ^1.3.0 => 1.3.0
    gatsby-plugin-sharp: ^2.0.12 => 2.0.14
    gatsby-plugin-sitemap: ^2.0.3 => 2.0.3
    gatsby-plugin-styled-components: ^3.0.4 => 3.0.4
    gatsby-remark-copy-linked-files: ^2.0.7 => 2.0.7
    gatsby-remark-images: ^3.0.1 => 3.0.1
    gatsby-remark-prismjs: ^3.1.4 => 3.1.4
    gatsby-remark-responsive-iframe: ^2.0.7 => 2.0.7
    gatsby-remark-smartypants: ^2.0.7 => 2.0.7
    gatsby-source-contentful: ^2.0.17 => 2.0.17
    gatsby-source-filesystem: ^2.0.8 => 2.0.10
    gatsby-transformer-remark: ^2.1.15 => 2.1.15
    gatsby-transformer-sharp: ^2.1.8 => 2.1.9
  npmGlobalPackages:
    gatsby-cli: 2.4.1

[m-allanson]

Hey @smakosh, could you include an example repo that demonstrates the bug? It's difficult to diagnose this without being able to replicate your site.

[smakosh]

ok, I will prepare a reproduction when I have time.

[gatsbot]

Hiya!

This issue has gone quiet. Spooky quiet. 👻

We get a lot of issues, so we currently close issues after 30 days of inactivity. It’s been at least 20 days since the last update here.

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[gatsbot]

Hey again!

It’s been 30 days since anything happened on this issue, so our friendly neighborhood robot (that’s me!) is going to close it.

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