Function fetchUnicodeData

cli/_tools/generate_data.ts:31–41

(filename: string, version: string)

];

async function fetchUnicodeData(filename: string, version: string) {
  const res = await fetch(
    `https://www.unicode.org/Public/${version}/ucd/${filename}`,
  );

  if (!res.ok) {
    throw new Error(`Failed to fetch ${filename}: status ${res.status}`);
  }

  return await res.text();
}

const EffectiveWidth = {
  Zero: 0,