Function parseError

test/css-syntax-error.test.ts:33–47

(
  css: string,
  opts?: Pick<ProcessOptions, 'from' | 'map'>
)

}

function parseError(
  css: string,
  opts?: Pick<ProcessOptions, 'from' | 'map'>
): CssSyntaxError {
  try {
    postcss.parse(css, opts)
  } catch (e) {
    if (isSyntaxError(e)) {
      return e
    } else {
      throw e
    }
  }
  throw new Error('Error was not thrown')
}

test('saves source', () => {
  let error = parseError('a {\n  content: "\n}')