Triggers doesn't have to be an array, fix flattenTriggers

[bramkragten]

Proposed change

SSIA

Type of change

• Dependency upgrade
• Bugfix (non-breaking change which fixes an issue)
• New feature (thank you!)
• Breaking change (fix/feature causing existing functionality to break)
• Code quality improvements to existing code or addition of tests

Example configuration

Additional information

• This PR fixes or closes issue: fixes #
• This PR is related to issue or discussion:
• Link to documentation pull request:

Checklist

• The code change is tested and works locally.
• There is no commented out code in this PR.
• Tests have been added to verify that the new code works.

If user exposed functionality or configuration variables are added/changed:

• Documentation added/updated for www.home-assistant.io

Summary by CodeRabbit

• New Features

  • Enhanced trigger handling by allowing both single Trigger objects and arrays of Trigger or TriggerList.

• Bug Fixes

  • Improved internal logic to ensure consistent processing of triggers, whether provided as single or multiple entries.

[coderabbitai]

📝 Walkthrough

Walkthrough

The changes involve modifying the flattenTriggers function in src/data/automation.ts. The parameter type for triggers has been updated to allow for a single Trigger object in addition to an array of Trigger or TriggerList. This change necessitates adjustments in the internal logic of the function to ensure consistent processing of both single and multiple trigger inputs.

Changes

Files	Change Summary
src/data/automation.ts	Updated parameter type for triggers in flattenTriggers from `undefined

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📜 Recent review details

Configuration used: CodeRabbit UI
Review profile: CHILL

📥 Commits

Files that changed from the base of the PR and between 305cecb and c16bf72.

📒 Files selected for processing (1)

• src/data/automation.ts (1 hunks)

🔇 Additional comments not posted (3)

src/data/automation.ts (3)

Line range hint 1-532: Summary of changes

The modifications to the flattenTriggers function in this file improve its flexibility by allowing it to accept either a single Trigger or an array of Trigger | TriggerList. This change aligns well with the PR objective of fixing the handling of triggers that don't have to be an array.

The implementation looks correct and maintains backwards compatibility. However, to ensure the robustness of this change, consider:

1. Adding unit tests to cover the new case of passing a single Trigger object.
2. Verifying that all existing calls to flattenTriggers in the codebase are still valid with the new signature.
3. Confirming that the Trigger and TriggerList types are correctly defined in this file.

These steps will help maintain the integrity of the automation system and prevent any potential regressions.

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416-424: LGTM! Consider adding a unit test.

The changes to the flattenTriggers function look good. The new signature allows for more flexible input, accepting both a single Trigger and an array of Trigger | TriggerList. The use of ensureArray simplifies the logic while maintaining the existing behavior.

To ensure the correctness of this change, consider adding a unit test that covers the new case of passing a single Trigger object.

To verify the impact of this change on the rest of the codebase, please run the following script:

This will help ensure that all existing calls to flattenTriggers are still valid with the new signature.

Also applies to: 424-432

✅ Verification successful

FlattenTriggers usage verified

All usages of flattenTriggers are compatible with the updated signature.

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Find all usages of flattenTriggers in the codebase
# Expected result: All calls to flattenTriggers should still be valid with the new signature

rg --type typescript "flattenTriggers\(" -C 3

Length of output: 82

---

Script:

#!/bin/bash
# Description: Find all usages of flattenTriggers in the codebase
# Expected result: All calls to flattenTriggers should still be valid with the new signature

rg --type ts "flattenTriggers\(" -C 3

Length of output: 875

---

416-416: Verify type consistency

The updated flattenTriggers function uses Trigger | (Trigger | TriggerList)[] as its input type. To ensure consistency, please verify that these types are correctly defined earlier in the file.

Run the following script to check the type definitions:

This will help confirm that the types used in the flattenTriggers function are properly defined within the file.

✅ Verification successful

Adjust the search command for TypeScript types

The previous rg command failed due to an unrecognized file type. Please run the updated script below to verify the definitions of Trigger and TriggerList:

---

Type consistency verified

Both Trigger and TriggerList types are properly defined in src/data/automation.ts and are used consistently in the flattenTriggers function.

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Check for Trigger and TriggerList type definitions
# Expected result: Both Trigger and TriggerList should be defined in this file

rg --type typescript "^(export )?(type|interface) (Trigger|TriggerList)" src/data/automation.ts

Length of output: 132

---

Script:

#!/bin/bash
# Description: Check for Trigger and TriggerList type definitions
# Expected result: Both Trigger and TriggerList should be defined in this file

rg -t ts "^(export )?(type|interface) (Trigger|TriggerList)" src/data/automation.ts

Length of output: 196

---

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