apache/daffodil-vscode

Unable to open infoset or infoset-diff-view from Daffodil Explorer tab

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#1,703 opened on May 22, 2026

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buggood first issue

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Description

Description

While parsing a file, the Daffodil helper tab does not list the option of open the Inforset or Infoset Diff View unless the active tab is the schema file:

Steps to Reproduce

Start debugging. At any point, select the Daffodil helper icon on the left edge of the screen.

Expected Behavior

Both view options should appear anytime debugging is active and the view is not already open.

Actual Behavior

Options only available when selected tab is the schema editor

Additional Notes and Screenshots (optional)

Environment

n/a

Contributor guide

Research direction
Investigate the view registration and activation logic in the extension. Look at how the explorer view determines which actions to show based on the active editor. Check the 'when' clauses in the package.json and the view provider implementation.
Tech stack
typescript
Domain
developer experience
Issue type
Bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
GitTypeScriptVSCode Extension API
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
75