From a position in an Angular template (.html or inline in .ts) to its TypeScript declaration. line and character are 0-based, as in LSP.

Angular compiler errors for a template after an edit. Accepts .html or .ts; files checks a batch. An entry anchored in the companion file names it in file. An empty list means "no errors" only when the server is healthy.

Public contract of a component or directive: inputs, outputs, class members, decorator metadata. Accepts .ts or .html. Reads the source; ngserver is not needed.

Workspace projects, Angular/CLI/TypeScript versions, strictTemplates and zone.js per project. Understands angular.json, Nx and solution style. Call once per session.

What exists and what does not in this project's Angular version: template syntax, signal APIs, zoneless, DI. Every rule was measured on the v17-v22 stand.

Usages of a component, directive, pipe or service across the workspace: elements, attribute selectors, pipes and class references. Accepts a file path or a selector.