Function expectReplacementText

packages/language-service/test/completions_spec.ts:2358–2375

(
  completions: ts.CompletionInfo | undefined,
  text: string,
  replacementText: string,
)

}

function expectReplacementText(
  completions: ts.CompletionInfo | undefined,
  text: string,
  replacementText: string,
) {
  if (completions === undefined) {
    return;
  }

  for (const entry of completions.entries) {
    expect(entry.replacementSpan).toBeDefined();
    const completionReplaces = text.slice(
      entry.replacementSpan!.start,
      entry.replacementSpan!.start + entry.replacementSpan!.length,
    );
    expect(completionReplaces).toBe(replacementText);
  }
}

function toText(displayParts?: ts.SymbolDisplayPart[]): string {
  return (displayParts ?? []).map((p) => p.text).join('');