Fixes Angular Extended Diagnostics reported by the compiler by making the smallest safe template or type correction without changing policy or suppressing diagnostics.
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---
id: angular.templates.extended-diagnostics-remediation
name: Angular Extended Diagnostics Remediation
description: >
Fixes Angular Extended Diagnostics reported by the compiler by making the smallest safe template or type correction without changing policy or suppressing diagnostics.
stack:
- Angular
- TypeScript
category: templates
status: stable
version: 0.10.0
owner: NgAutoPilot
triggers:
- extended diagnostics remediation
- angular diagnostic fix
- NG8101
- NG8113
- template warning fix
compatibility:
angular:
min: "17"
recommendedModern: "17+"
---
# Angular Extended Diagnostics Remediation
## Purpose
Use this skill to fix Angular Extended Diagnostics reported by the Angular compiler.
This skill focuses on correcting Angular template issues, not on configuring the global diagnostics policy.
## When to Use
Use this skill when the build, compiler, IDE, or CI reports diagnostics such as:
- `NG8101`
- `NG8102`
- `NG8103`
- `NG8104`
- `NG8105`
- `NG8106`
- `NG8107`
- `NG8108`
- `NG8109`
- `NG8111`
- `NG8113`
- `NG8114`
- `NG8115`
- `NG8116`
- `NG8117`
- `NG8021`
## When Not to Use
Do not use this skill to enable `strictTemplates` globally, change compiler policy, or suppress diagnostics.
## Do
Find the exact template expression reported by the compiler.
Apply the smallest safe correction.
Validate the semantic intent before changing nullability or bindings.
For standalone components, inspect `imports`.
For `skipHydrationNotStatic`, keep the attribute static.
For `deferTriggerMisconfiguration`, simplify or correct the trigger strategy.
## Do Not
Avoid suppressing diagnostics by default.
Avoid broad template rewrites.
Avoid changing business fallbacks casually.
## Review Checklist
- [ ] The diagnostic is fixed.
- [ ] The fix matches intended runtime behavior.
- [ ] Template and TypeScript types are aligned.
- [ ] No unrelated file changed.
## Expected Output
1. Identify the reported diagnostic.
2. Apply the smallest safe correction.
3. Preserve behavior.
4. Validate the result.
5. Report remaining diagnostics.
