export async function fetchPlaceholders()

in scripts/lib-franklin.js [241:270]

• 29 lines of code
• 5 McCabe index (conditional complexity)

export async function fetchPlaceholders(prefix = 'default') {
  window.placeholders = window.placeholders || {};
  const loaded = window.placeholders[`${prefix}-loaded`];
  if (!loaded) {
    window.placeholders[`${prefix}-loaded`] = new Promise((resolve, reject) => {
      fetch(`${prefix === 'default' ? '' : prefix}/placeholders.json`)
        .then((resp) => {
          if (resp.ok) {
            return resp.json();
          }
          throw new Error(`${resp.status}: ${resp.statusText}`);
        }).then((json) => {
          const placeholders = {};
          json.data
            .filter((placeholder) => placeholder.Key)
            .forEach((placeholder) => {
              placeholders[toCamelCase(placeholder.Key)] = placeholder.Text;
            });
          window.placeholders[prefix] = placeholders;
          resolve();
        }).catch((error) => {
          // error loading placeholders
          window.placeholders[prefix] = {};
          reject(error);
        });
    });
  }
  await window.placeholders[`${prefix}-loaded`];
  return window.placeholders[prefix];
}