Function getMetricsForFamily

packages/fontaine/src/metrics.ts:32–57

(family: string)

 * @async
 */
export async function getMetricsForFamily(family: string): Promise<FontFaceMetrics | null> {
  family = withoutQuotes(family)

  if (family in metricCache)
    return metricCache[family] ?? null

  try {
    const name = fontFamilyToCamelCase(family)
    const { entireMetricsCollection } = await import('#capsize-font-metrics') as any as typeof import('@capsizecss/metrics/entireMetricsCollection')
    const metrics = entireMetricsCollection[name as keyof typeof entireMetricsCollection]

    /* v8 ignore next 4 */
    if (!('descent' in metrics)) {
      metricCache[family] = null
      return null
    }

    const filteredMetrics = filterRequiredMetrics(metrics)
    metricCache[family] = filteredMetrics
    return filteredMetrics
  }
  catch {
    metricCache[family] = null
    return null
  }
}

const urlRequestCache = new Map<string, Promise<Font>>()