Function getDiagnosticNode

packages/compiler-cli/src/ngtsc/scope/src/util.ts:17–27

(
  ref: Reference<ClassDeclaration>,
  rawExpr: ts.Expression | null,
)

import {ComponentScopeKind, ComponentScopeReader} from './api';

export function getDiagnosticNode(
  ref: Reference<ClassDeclaration>,
  rawExpr: ts.Expression | null,
): ts.Expression {
  // Show the diagnostic on the node within `rawExpr` which references the declaration
  // in question. `rawExpr` represents the raw expression from which `ref` was partially evaluated,
  // so use that to find the right node. Note that by the type system, `rawExpr` might be `null`, so
  // fall back on the declaration identifier in that case (even though in practice this should never
  // happen since local NgModules always have associated expressions).
  return rawExpr !== null ? ref.getOriginForDiagnostics(rawExpr) : ref.node.name;
}

export function makeNotStandaloneDiagnostic(
  scopeReader: ComponentScopeReader,