export function selectedIndexPropType()

in src/helpers/propTypes.js [84:110]

• 25 lines of code
• 6 McCabe index (conditional complexity)

export function selectedIndexPropType(
  props,
  propName,
  componentName,
  location,
  propFullName,
) {
  const prop = props[propName];
  const name = propFullName || propName;
  let error = null;

  if (prop != null && typeof prop !== 'number') {
    error = new Error(
      `Invalid ${location} \`${name}\` of type \`${typeof prop}\` supplied to ` +
        `\`${componentName}\`, expected \`number\`.`,
    );
  } else if (props.defaultIndex != null && prop != null) {
    return new Error(
      `The ${location} \`${name}\` cannot be used together with \`defaultIndex\` ` +
        `in \`${componentName}\`.\n` +
        `Either remove \`${name}\` to let \`${componentName}\` handle the selected ` +
        `tab internally or remove \`defaultIndex\` to handle it yourself.`,
    );
  }

  return error;
}