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Cannot read properties of undefined when loading decap-cms-backend-gitlab #7320

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simevo opened this issue Nov 1, 2024 · 0 comments
Open

Cannot read properties of undefined when loading decap-cms-backend-gitlab #7320

simevo opened this issue Nov 1, 2024 · 0 comments
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type: bug code to address defects in shipped code

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@simevo
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simevo commented Nov 1, 2024 •
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Describe the bug

When I serve index.html and config.yml listed below with a test webserver (for example python3 -m http.server then open http://localhost:8000) I get:

Uncaught TypeError: Cannot read properties of undefined (reading 'EmotionCore')
    at universalModuleDefinition:9:127
    at universalModuleDefinition:1:1

Additionally if I add:

<script>
  CMS.registerBackend('gitlab-test', DecapCmsBackendGitlab.GitLabBackend);
</script>

it fails with:

(index):30 Uncaught ReferenceError: DecapCmsBackendGitlab is not defined
    at (index):30:37

To Reproduce

index.html:

<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta name="robots" content="noindex" />
    <title>Content Manager</title>
  </head>
  <body>
    <script src="https://unpkg.com/decap-cms@^3.0.0/dist/decap-cms.js"></script>
    <script src="https://unpkg.com/decap-cms-backend-gitlab@^3.0.0/dist/decap-cms-backend-gitlab.js"></script>
  </body>
</html>

Expected behavior

I expected the module to load and add DecapCmsBackendGitlab to the global scope the way netlify-cms-backend-gitlab.js would do for NetlifyCmsBackendGitlab, but it doesn't.

Screenshots

The UI seems to load fine though:

image

Applicable Versions:

  • Decap CMS version: 3.1.3
  • Git provider: -
  • OS: Debian 12 (stable)
  • Browser version: Chromium 130.0.6723.58

CMS configuration

backend:
  name: gitlab
  branch: main # Branch to update (optional; defaults to master)
  repo: tinia-euregio/tinia-website
media_folder: "images/uploads" # Media files will be stored in the repo under images/uploads
collections:
  - name: "blog" # Used in routes, e.g., /admin/collections/blog
    label: "Blog" # Used in the UI
    folder: "_posts/blog" # The path to the folder where the documents are stored
    create: true # Allow users to create new documents in this collection
    slug: "{{year}}-{{month}}-{{day}}-{{slug}}" # Filename template, e.g., YYYY-MM-DD-title.md
    fields: # The fields for each document, usually in front matter
      - { label: "Title", name: "title", widget: "string" }

Additional context

We have forked decap-cms-backend-gitlab as let's say decap-cms-backend-gitlab-forked and we were trying to load it as in:

<script src="dist/decap-cms-backend-gitlab-forked.js"></script>
<script>
  CMS.registerBackend('gitlab-forked, DecapCmsBackendGitlabForked.GitLabBackend);
</script>

and started getting similar errors.

So I wondered "is it our fork or upstream?" and tried loading your version (I know it's not strictly required, as the gitlab backend is built-in).
@simevo simevo added the type: bug code to address defects in shipped code label Nov 1, 2024
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@simevo