redhat-developer / redhat-developer/vscode-yaml

Invalid error Map keys must be uniqueYAML on mutliple merges

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Dominant language
TypeScript
Stars
829
Forks
260
Avg merge
5h 43m
Merged PRs (30d)
1

Description

Describe the bug

dind: &dind
  image: 116661453557.dkr.ecr.eu-west-1.amazonaws.com/github-actions-runner-dind:15
  container_mode: false
  dindMode: true

c-2: &c2
  resources: 
    requests:
      cpu: 2
      memory: 4Gi
      
runners:
  c-2-dind:
    <<: *dind
    <<: *c2
    min_replicas: 2

This is valid yaml!

however the line <<: *c2 is marked as an error "Map keys must be uniqueYAML on mutliple merges"

image

Expected Behavior

It should not flag this as an error.

Current Behavior

If flags it as an error

Steps to Reproduce

  1. put the above yaml into vscode with this extension loaded.

Environment

  • Windows
  • Mac
  • Linux
  • other (please specify)

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reproducing the supplied YAML in VS Code with the extension enabled, focusing on the two merge keys under c-2-dind. Confirm the valid multiple-merge example no longer produces a duplicate-key diagnostic, and add or run the relevant validation coverage if you locate it.

Written by the indexing model from the issue text.

Assessment

Tech stack
typescript, vscode, yaml
Domain
tooling
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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