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>>> space-separated adjacent strings are not split
var name = new Symbol("the first string" "the second string");
<<<
var name = new Symbol(
    "the first string" "the second string");
>>> preserve one newline between adjacent strings
var name = "the first string"
"the second string"


"the third string";
<<<
var name = "the first string"
    "the second string"
    "the third string";
>>> conditions, same operator
if (identifier || identifier || identifier || identifier) {
}
<<<
if (identifier ||
    identifier ||
    identifier ||
    identifier) {}
>>> conditions, different operators
if (identifier && identifier || identifier
                && identifier) {
}
<<<
if (identifier && identifier ||
    identifier && identifier) {}
>>> split conditional because then doesn't fit
var kind = element != null ? longArgument : arg;
<<<
var kind = element != null
    ? longArgument
    : arg;
>>> split conditional because else doesn't fit
var kind = element != null ? argument : secondArgumentThatIsReallyLong;
<<<
var kind = element != null
    ? argument
    : secondArgumentThatIsReallyLong;
>>> unsplit operator chains before and after block
first + second + () {body;} + third + fourth;
<<<
first + second + () {
  body;
} + third + fourth;
>>> split operator chain before block
first + second + third + fourth + fifth + () {body;} + sixth + seventh;
<<<
first +
    second +
    third +
    fourth +
    fifth +
    () {
  body;
} + sixth + seventh;
>>> split operator chain after block
first + second + third + () {body;} + fourth + fifth + sixth + seventh + eighth;
<<<
first + second + third + () {
  body;
} +
    fourth +
    fifth +
    sixth +
    seventh +
    eighth;
>>> indent previous line farther because later line is nested deeper
someFunction(someExtremelyLongArgumentName).clamp();
<<<
someFunction(
        someExtremelyLongArgumentName)
    .clamp();
>>> wrap inside parenthesized
(someVerylongIdentifier * someVerylongIdentifier);
<<<
(someVerylongIdentifier *
    someVerylongIdentifier);
>>> same operator inside parenthesized is treated independently
(identifier * (identifier * identifier) * identifier);
<<<
(identifier *
    (identifier * identifier) *
    identifier);
>>> nested parenthesized are indented more
(identifier * (verylongIdentifier * verylongIdentifier) * identifier);
<<<
(identifier *
    (verylongIdentifier *
        verylongIdentifier) *
    identifier);
>>> conditional operands are nested
identifier ? identifier ? someParticularlyLongOperand : someParticularlyLongOperand : identifier ? someParticularlyLongOperand : someParticularlyLongOperand;
<<<
identifier
    ? identifier
        ? someParticularlyLongOperand
        : someParticularlyLongOperand
    : identifier
        ? someParticularlyLongOperand
        : someParticularlyLongOperand;