test-repo/tests/optional/__snapshots__/jsfmt.spec.js.snap

exports[`test client_optional.js 1`] = `
"var qux = require(\'./optional\');

qux(0);
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
var qux = require(\"./optional\");

qux(0);
"
`;

exports[`test default.js 1`] = `
"function f<T>(foo, bar = foo): [T, T] {
  return [foo, bar];
}
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
function f<T>(foo, bar = foo): [T, T] {
  return [ foo, bar ];
}
"
`;

exports[`test generic.js 1`] = `
"function x<T>(x: T = 0) {}

class C {
  x<T>(x: T = 0) {}
}
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
function x<T>(x: T = 0) {
}

class C {
  x<T>(x: T = 0) {
  }
}
"
`;

exports[`test maybe.js 1`] = `
"function foo(x?: string): ?string {
    return x;
}
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
function foo(x?: string): ?string {
  return x;
}
"
`;

exports[`test nullable.js 1`] = `
"/* @flow */

function optionalNullable1(x: {y?: ?number}) {
  if (x.y !== null && x.y !== undefined) {
    x.y++;
  }
}

function optionalNullable2(x: {y?: ?number}) {
  if (x.y !== undefined && x.y !== null) {
    x.y++;
  }
}

function optionalNullable3(x: {y?: ?number}) {
  if (!(x.y !== null && x.y !== undefined)) {
    x.y++; // should error
  }
}

function optionalNullable4(x: {y?: ?number}) {
  if (!(x.y !== undefined && x.y !== null)) {
    x.y++; // should error
  }
}

function optionalNullable5(x: {y?: ?number}) {
  if (x.y === null || x.y === undefined) {
    x.y++; // should error
  }
}

function optionalNullable6(x: {y?: ?number}) {
  if (x.y === undefined || x.y === null) {
    x.y++; // should error
  }
}

function optionalNullable7(x: {y?: ?number}) {
  if (!(x.y === null || x.y === undefined)) {
    x.y++;
  }
}

function optionalNullable8(x: {y?: ?number}) {
  if (!(x.y === undefined || x.y === null)) {
    x.y++;
  }
}
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/* @flow */

function optionalNullable1(x: { y?: ?number }) {
  if (x.y !== null && x.y !== undefined) {
    x.y++;
  }
}

function optionalNullable2(x: { y?: ?number }) {
  if (x.y !== undefined && x.y !== null) {
    x.y++;
  }
}

function optionalNullable3(x: { y?: ?number }) {
  if (!(x.y !== null && x.y !== undefined)) {
    x.y++; // should error
  }
}

function optionalNullable4(x: { y?: ?number }) {
  if (!(x.y !== undefined && x.y !== null)) {
    x.y++; // should error
  }
}

function optionalNullable5(x: { y?: ?number }) {
  if (x.y === null || x.y === undefined) {
    x.y++; // should error
  }
}

function optionalNullable6(x: { y?: ?number }) {
  if (x.y === undefined || x.y === null) {
    x.y++; // should error
  }
}

function optionalNullable7(x: { y?: ?number }) {
  if (!(x.y === null || x.y === undefined)) {
    x.y++;
  }
}

function optionalNullable8(x: { y?: ?number }) {
  if (!(x.y === undefined || x.y === null)) {
    x.y++;
  }
}
"
`;

exports[`test optional.js 1`] = `
"function bar(x?,y?) { x * 0; }
bar(0);

var foo:(x?:number)=>void = bar;
foo();

function qux(x=\"hello\",...y):string { foo(x); return y[0]; }

qux(0,0);
qux(0,...[\"\",42]);

module.exports = qux;
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
function bar(x?, y?) {
  x * 0;
}
bar(0);

var foo: (x?: number) => void = bar;
foo();

function qux(x = \"hello\", ...y): string {
  foo(x);
  return y[0];
}

qux(0, 0);
qux(0, ...[ \"\", 42 ]);

module.exports = qux;
"
`;

exports[`test optional_param.js 1`] = `
"/* @flow */
function foo(x?: string): string {
    if (x == null) { return \'foo\'; }
    return x;
}

function bar(obj: {x?: string}): string {
    if (obj.x == null) { return \'foo\'; }
    return obj.x;
}

function baz(bar?) {
    if (!bar) { return 1; }
    return bar.duck
}

function testOptionalNullable(x?: ?string): string {
    if (x == null) { return \'foo\'; }
    return x;
}

function testOptionalNullableDefault(x?: ?string = \"hi\"): string {
    if (x == null) { return \'foo\'; }
    return x;
}

function testOptionalNullableProperty(obj: {x?: ?string}): string {
    if (obj.x == null) { return \'foo\'; }
    return obj.x;
}

function testOptionalNullableFlowingToNullable(x?: ?string): ?string {
  var f = function(y: ?string) {};
  f(x);
}
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/* @flow */
function foo(x?: string): string {
  if (x == null) {
    return \"foo\";
  }
  return x;
}

function bar(obj: { x?: string }): string {
  if (obj.x == null) {
    return \"foo\";
  }
  return obj.x;
}

function baz(bar?) {
  if (!bar) {
    return 1;
  }
  return bar.duck;
}

function testOptionalNullable(x?: ?string): string {
  if (x == null) {
    return \"foo\";
  }
  return x;
}

function testOptionalNullableDefault(x?: ?string = \"hi\"): string {
  if (x == null) {
    return \"foo\";
  }
  return x;
}

function testOptionalNullableProperty(obj: { x?: ?string }): string {
  if (obj.x == null) {
    return \"foo\";
  }
  return obj.x;
}

function testOptionalNullableFlowingToNullable(x?: ?string): ?string {
  var f = function(y: ?string) {
  };
  f(x);
}
"
`;

exports[`test optional_param2.js 1`] = `
"declare class I<V> {
    map<M>(
        mapper: (value?: V) => M
    ): I<M>;
}
var i:I<number> = new I();
var j:I<number> = i.map(id => id);
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
declare class I<V> { map<M>(mapper: (value?: V) => M): I<M> }
var i: I<number> = new I();
var j: I<number> = i.map(id => id);
"
`;

exports[`test optional_param3.js 1`] = `
"function foo(x?: number) {}
foo(undefined); // ok

function bar(x = \"bar\"): string {
  return x;
}
bar(undefined); // ok
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
function foo(x?: number) {
}
foo(undefined);
// ok
function bar(x = \"bar\"): string {
  return x;
}
bar(undefined); // ok
"
`;

exports[`test optional_param4.js 1`] = `
"/* @flow */

function foo(x?: number, ...y: Array<string>): [?number, Array<string>] {
  return [x, y];
}

foo(); // OK
foo(123), // OK
foo(123, \'hello\'); // OK


foo(true); // ERROR boolean ~> number
foo(123, true); // ERROR boolean ~> string
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/* @flow */

function foo(x?: number, ...y: Array<string>): [?number, Array<string>] {
  return [ x, y ];
}

foo();
// OK
foo(123), // OK
foo(123, \"hello\");
// OK
foo(true);
// ERROR boolean ~> number
foo(123, true); // ERROR boolean ~> string
"
`;

exports[`test undefined.js 1`] = `
"var x;

function foo(bar? = undefined) {
    x = bar;
}

function bar() {
    return x.duck;
}
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
var x;

function foo(bar? = undefined) {
  x = bar;
}

function bar() {
  return x.duck;
}
"
`;

exports[`test undefined2.js 1`] = `
"var x;

function foo(bar?) {
    x = bar;
}

function bar() {
    return x.duck;
}
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
var x;

function foo(bar?) {
  x = bar;
}

function bar() {
  return x.duck;
}
"
`;