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Last active November 26, 2025 07:03
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Ordering of Angular component class members.
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angular-member-ordering.md

Ordering of Angular component class members

Use the following order of groups to organize Angular components:

  1. Injected dependencies.
  2. Private properties.
  3. Data binding properties.
  4. View and content properties.
  5. UI properties.
  6. Component API properties.
  7. Constructor.
  8. Lifecycle hooks.
  9. Event handlers.
  10. Component API methods.
  11. Private methods.
Group Description
Component API methods Public methods intended to be used by other components, directives, or services.
Component API properties Public properties intended to be used by other components, directives, or services.
Data binding properties Properties decorated by Input/Output or initialized with input/output.
Event handlers protected methods used by the component template.
Injected dependencies Services and other dependencies resolved using inject.
Lifecycle hooks Methods implementing the AfterContentChecked, AfterContentInit, AfterViewChecked, AfterViewInit, DoCheck OnChanges, OnDestroy, or OnInit interfaces.
Private properties Properties marked by private or #.
UI properties protected properties used by the component template.
View and content properties Properties decorated by ContentChild/ContentChildren/ViewChild/ViewChildren or initialized with contentChild/contentChildren/viewChild/viewChildren.
@Clindbergh
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Clindbergh commented Oct 22, 2025

Are there any tools that help checking the order is consistent?

@sturmf

TypeScript ESLint has a member-ordering rule but it doesn't differentiate between Angular-specific class members.

Unfortunately this rule will not fix the ordering automatically and only indicate erroneous ordering. Automatic ordering used to be a thing in now deprecated tslint, but will not arrive in typescipt-eslint. Furthermore the member-ordering rule is frozen and will not accept any extensions.

There is this new, small prettier plugin that does some sorting, but it does not have this level of granularity.

I heard there is a VS Code plugin that might help. IDEA / PhpStorm cannot do this with typescript.

I'd be interested on other tools that can help with this ordering.

@LayZeeDK
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LayZeeDK commented Oct 22, 2025

@Clindbergh

Try the groups option for the sort-classes rule in eslint-plugin-perfectionist as a replacement for @typescript-eslint/member-ordering. This is not aware of Angular-specific class members either.

@Clindbergh
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Clindbergh commented Nov 26, 2025

@LayZeeDK thanks!

I know now of three options, though none are aware of angular specifics.

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