🤔 What's changed?

Implement incremental caching support - when file is saved - incremental change is calculated instead of doing full reindex

⚡️ What's your motivation?

cucumber/vscode#152

Current Cucumber VScode plugin syncs in a loop when large codebase is present

🏷️ What kind of change is this?

• 💥 Breaking change (incompatible changes to the API)

Based on changes in cucumber/language-service#285 - use the new API that returns Map instead of Array so only changed parts should be recalculated instead of full reindex

♻️ Anything particular you want feedback on?

Typescript is not my daily "bread and butter" language so feel free to suggest improvements :)

Maybe it would make sense to move forward with new class and to add new method for retrieving parameterLinks and friends there to avoid utility methods?

private getExpressionsFromLinks(): readonly CucumberExpressions.Expression[] 
private getLocationLinksFromLinks(): readonly LocationLink[] 
private getNewExpressionsFromLinks(): readonly CucumberExpressions.Expression[] 

📋 Checklist:

• I agree to respect and uphold the Cucumber Community Code of Conduct
• I've changed the behaviour of the code
  • I have added/updated tests to cover my changes.
• My change requires a change to the documentation.
  • I have updated the documentation accordingly.
• Users should know about my change
  • I have added an entry to the "Unreleased" section of the CHANGELOG, linking to this pull request.

Related:

cucumber/language-service#285
cucumber/vscode#304

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