prettier/tests/format/js/preserve-line/member-chain.js

fooBar.doSomething('Hello World').doAnotherThing('Foo', { foo: bar })

  // App configuration.
  .doOneMoreThing(config)

  .run(() => console.log('Bar'));

bigDeal

  .doSomething('Hello World')

  // Hello world
  .doAnotherThing('Foo', { foo: bar })

  // App configuration.
  .doOneMoreThing(config)

  .run(() => console.log('Bar'));


foo.bar.baz

  .doSomething('Hello World')

  // Hello world
  .foo.bar.doAnotherThing('Foo', { foo: bar })

  .doOneMoreThing(config)
  .bar.run(() => console.log('Bar'));

(
  somethingGood ? thisIsIt : maybeNot
)

  // Hello world
  .doSomething('Hello World')

  .doAnotherThing('Foo', { foo: bar }) // Run this
  .run(() => console.log('Bar')); // Do this

helloWorld

  .text()

  .then(t => t);

(veryLongVeryLongVeryLong ||
 anotherVeryLongVeryLongVeryLong ||
 veryVeryVeryLongError
)

  .map(tickets => TicketRecord.createFromSomeLongString())

  .filter(obj => !!obj);

const sel = this.connections

  .concat(this.activities.concat(this.operators))
  .filter(x => x.selected);

Object.entries(obj)

.forEach((e) => console.log(e));

this.fetch("/foo")

	.then(response => response.json());