import { testTransform } from '../transform' ; test ( 'maybe function type' , ( ) => { const result = testTransform ( `type a = {
  a: (() => void) | undefined | null;
};` ) ; expect ( result . babel ) . toMatchInlineSnapshot ( `
    "type a = {
      a: (() => void) | void | null
    };"
  ` ) ; } ) ; test ( 'preserves comments within typedefs' , ( ) => { const result = testTransform ( `type Props = {
  children?: React.Node;
  // The vertical alignment of the content before it starts to scroll
  verticalAlignWithoutScroll?: "top" | "center";
};
` ) ; expect ( result . babel ) . toMatchInlineSnapshot ( `
    "type Props = {
      children?: React.Node,
      verticalAlignWithoutScroll?: \\"top\\" | \\"center\\",
    };"
  ` ) ; } ) ; test ( 'preserves generics above imports' , ( ) => { const result = testTransform ( `export type UIOverlayType = React.Element<typeof Foo>;` ) ; expect ( result . babel ) . toMatchInlineSnapshot ( `"export type UIOverlayType = React.Element<typeof Foo>;"` ) ; } ) ; test ( 'ObjectTypeCallProperty simple case' , ( ) => { const result = testTransform ( `
type T = {
  (b: string, a: string): string;
};
` ) ; expect ( result . babel ) . toMatchInlineSnapshot ( `
    "type T = {
      (b: string, a: string): string
    };"
  ` ) ; } ) ; test ( 'Comment above type alias' , ( ) => { const result = testTransform ( `
// comment
type T = A;
` ) ; expect ( result . babel ) . toMatchInlineSnapshot ( `
    "// comment
    type T = A;"
  ` ) ; expect ( result . recast ) . toMatchInlineSnapshot ( `
    "// comment
    type T = A;"
  ` ) ; } ) ; test ( 'methods in object type' , ( ) => { const result = testTransform ( `export type Cache = {
  get(key: string): Promise<unknown>;
};` ) ; expect ( result . babel ) . toMatchInlineSnapshot ( `
    "export type Cache = {
      get(key: string): Promise<mixed>
    };"
  ` ) ; } ) ; test ( 'methods in object type' , ( ) => { const result = testTransform ( `export type Cache = {
  a: ((args: string[]) => null | false | string) & (() => string);
};` ) ; const flow = `export type Cache = {
  a: ((args: string[]) => null | false | string) & (() => string)
};` ; expect ( result . babel ) . toMatchInlineSnapshot ( `
    "export type Cache = {
      a: ((args: string[]) => null | false | string) & (() => string)
    };"
  ` ) ; } ) ; test ( 'iterable object type' , ( ) => { const result = testTransform ( `type A = {
  [Symbol.iterator](): Iterator<string>;
};` ) ; expect ( result . babel ) . toMatchInlineSnapshot ( `
    "type A = {
      @@iterator(): Iterator<string>
    };"
  ` ) ; } ) ; test ( 'alias to array of unions' , ( ) => { const result = testTransform ( `type t = ("a" | "b")[];` ) ; expect ( result . babel ) . toMatchInlineSnapshot ( `"type t = (\\"a\\" | \\"b\\")[];"` ) ; } ) ; test ( 'alias to array of intersections' , ( ) => { const result = testTransform ( `type t = ("a" & "b")[];` ) ; const flow = `type t = ("a" & "b")[];` ; expect ( result . babel ) . toMatchInlineSnapshot ( `"type t = (\\"a\\" & \\"b\\")[];"` ) ; expect ( result . recast ) . toMatchInlineSnapshot ( `"type t = \\"a\\" & \\"b\\"[];"` ) ; } ) ; test ( 'alias to object' , ( ) => { const result = testTransform ( `type t = object` ) ; expect ( result . babel ) . toMatchInlineSnapshot ( `"type t = {};"` ) ; expect ( result . recast ) . toMatchInlineSnapshot ( `"type t = {};"` ) ; } ) ;