prettier/tests/flow/instanceof/__snapshots__/jsfmt.spec.js.snap

// Jest Snapshot v1, https://goo.gl/fbAQLP

exports[`instanceof.js 1`] = `
/* @flow */

// x instancof t
class X1 { foo: number; };
class X2 { foo: string; };

function x(b) { return b ? new X1 : new X2; }

function consumer1(b) {
    var g = x(b);
    if (g instanceof X2) g.foo = '1337';
    else g.foo = 1337;
}

function consumer2(b) {
    var g = x(b);
    if (g instanceof X1) g.foo = '1337';  // oops
}

// x.y instanceof t
class Y1 { bar: X1; };
class Y2 { bar: X2; };

function y(b) { return b ? new Y1 : new Y2; }

function consumer3(b) {
    var g = y(b);
    if (g.bar instanceof X2) g.bar.foo = '1337';
    else g.bar.foo = 1337;
}

function consumer4(b) {
    var g = y(b);
    if (g.bar instanceof X1) g.bar.foo = '1337';  // oops
}

// x.y.z instance of t
class Z1 { baz: Y1; };
class Z2 { baz: Y2; };

function z(b) { return b ? new Z1 : new Z2; }

function consumer5(b) {
    var g = z(b);
    if (g.baz.bar instanceof X2) g.baz.bar.foo = '1337';
    else g.baz.bar.foo = 1337;
}

function consumer6(b) {
    var g = z(b);
    if (g.baz.bar instanceof X1) g.baz.bar.foo = '1337';  // oops
}

// this instanceof t
class C {
  m() {
    if (this instanceof D)
      alert(this.s);
    else
      alert("nope");
  }
}

class D extends C {
  s: string;
  constructor() {
    super();
    this.s = "yup";
  }
}


function foo0(x: Array<number> | number) {
  if (x instanceof Array) {
    x[0] = 123;
  } else {
    x++;
  }
}

function foo1(x: Array<number> | number) {
  if (x instanceof Array) {
    x++; // error
  } else {
    x[0] = 123; // error
  }
}
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/* @flow */

// x instancof t
class X1 {
  foo: number;
}
class X2 {
  foo: string;
}

function x(b) {
  return b ? new X1() : new X2();
}

function consumer1(b) {
  var g = x(b);
  if (g instanceof X2) g.foo = "1337";
  else g.foo = 1337;
}

function consumer2(b) {
  var g = x(b);
  if (g instanceof X1) g.foo = "1337"; // oops
}

// x.y instanceof t
class Y1 {
  bar: X1;
}
class Y2 {
  bar: X2;
}

function y(b) {
  return b ? new Y1() : new Y2();
}

function consumer3(b) {
  var g = y(b);
  if (g.bar instanceof X2) g.bar.foo = "1337";
  else g.bar.foo = 1337;
}

function consumer4(b) {
  var g = y(b);
  if (g.bar instanceof X1) g.bar.foo = "1337"; // oops
}

// x.y.z instance of t
class Z1 {
  baz: Y1;
}
class Z2 {
  baz: Y2;
}

function z(b) {
  return b ? new Z1() : new Z2();
}

function consumer5(b) {
  var g = z(b);
  if (g.baz.bar instanceof X2) g.baz.bar.foo = "1337";
  else g.baz.bar.foo = 1337;
}

function consumer6(b) {
  var g = z(b);
  if (g.baz.bar instanceof X1) g.baz.bar.foo = "1337"; // oops
}

// this instanceof t
class C {
  m() {
    if (this instanceof D) alert(this.s);
    else alert("nope");
  }
}

class D extends C {
  s: string;
  constructor() {
    super();
    this.s = "yup";
  }
}

function foo0(x: Array<number> | number) {
  if (x instanceof Array) {
    x[0] = 123;
  } else {
    x++;
  }
}

function foo1(x: Array<number> | number) {
  if (x instanceof Array) {
    x++; // error
  } else {
    x[0] = 123; // error
  }
}

`;