Function hasSingleReturnStatement

transforms/class.js:149–165

  );

  const hasSingleReturnStatement = value => (
    (
      value.type === 'ArrowFunctionExpression' &&
      value.body &&
      value.body.type === 'ObjectExpression'
    ) || (
      (
        value.type === 'FunctionExpression' || value.type === 'ArrowFunctionExpression'
      ) &&
      value.body &&
      value.body.type === 'BlockStatement' &&
      value.body.body &&
      value.body.body.length === 1 &&
      value.body.body[0].type === 'ReturnStatement' &&
      value.body.body[0].argument
    )
  );

  const isInitialStateLiftable = getInitialState => {
    if (!getInitialState || !(getInitialState.value)) {