Class SelectorMapper

Maps component selectors to class names.

The map is built lazily on first use from the project files (O(n) once, O(1) per lookup) and covers both standard @Component decorators and custom decorators (e.g. @PageComponent).

Index

Constructors

Methods

clearCache findComponentBySelector getSelectorMap

Constructors

constructor

new SelectorMapper(): SelectorMapper
Returns SelectorMapper

Methods

clearCache

clearCache(): void
Clear the cached selector map.

Useful for testing or when project files have changed significantly.

Returns void

findComponentBySelector

findComponentBySelector(project: Project, selector: string): string | undefined
Find a component class name by its selector.

Builds the selector map lazily on first call, then reuses for O(1) lookups.
Parameters
- project: Project
  ts-morph Project
- selector: string
  Component selector (e.g., 'app-user-profile')
Returns string | undefined
Class name (e.g., 'UserProfileComponent') or undefined if not found

getSelectorMap

getSelectorMap(project: Project): Map<string, string>
Get the complete selector map.

Builds the map lazily if not yet built.
Parameters
- project: Project
  ts-morph Project
Returns Map<string, string>
Map of selector → className