Function isWithin

packages/language-service/src/utils/index.ts:415–427

(position: number, span: AbsoluteSourceSpan | ParseSourceSpan)

}

export function isWithin(position: number, span: AbsoluteSourceSpan | ParseSourceSpan): boolean {
  let start: number, end: number;
  if (span instanceof ParseSourceSpan) {
    start = span.start.offset;
    end = span.end.offset;
  } else {
    start = span.start;
    end = span.end;
  }
  // Note both start and end are inclusive because we want to match conditions
  // like ¦start and end¦ where ¦ is the cursor.
  return start <= position && position <= end;
}

/**
 * For a given location in a shim file, retrieves the corresponding file url for the template and