ValidationError

type ValidationError =
  | {
  element: string;
  message: string;
  property: string;
  sourceSpan?: TemplateSourceSpan;
  suggestion?: string;
  type: "unknown-input";
}
  | {
  element: string;
  message: string;
  property: string;
  sourceSpan?: TemplateSourceSpan;
  suggestion?: string;
  type: "unknown-output";
}
  | {
  element: string;
  message: string;
  sourceSpan?: TemplateSourceSpan;
  suggestion?: string;
  type: "unknown-element";
}
  | {
  element: "pipe";
  message: string;
  property: string;
  sourceSpan?: TemplateSourceSpan;
  suggestion?: string;
  type: "unknown-pipe";
}
  | {
  actual?: string;
  element: string;
  expected?: string | null;
  message: string;
  property: string;
  sourceSpan?: TemplateSourceSpan;
  suggestion?: string;
  type: "type-mismatch";
}
  | {
  element: string;
  message: string;
  property: string;
  sourceSpan?: TemplateSourceSpan;
  suggestion?: string;
  type: "missing-required";
}
  | {
  element: "";
  message: string;
  type: "template-too-large";
}
  | {
  element: "";
  message: string;
  type: "angular-compiler-unavailable";
};

Defined in: packages/analyzer/src/types.ts:307

Discriminated on type. Each variant carries only the fields that make sense for that error category. message and optional suggestion are common; property / element / line are per-variant.