function-call-argument-newline

The --fix option on the command line can automatically fix some of the problems reported by this rule.

Enforces line breaks between arguments of a function call.

A number of style guides require or disallow line breaks between arguments of a function call.

Rule Details

This rule enforces line breaks between arguments of a function call.

Options

This rule has a string option:

"always" (default) requires line breaks between arguments
"never" disallows line breaks between arguments
"consistent" requires consistent usage of line breaks between arguments

always

Examples of incorrect code for this rule with the default "always" option:

/*eslint function-call-argument-newline: ["error", "always"]*/

foo("one", "two", "three");

bar("one", "two", {
    one: 1,
    two: 2
});

baz("one", "two", (x) => {
    console.log(x);
});

Examples of correct code for this rule with the default "always" option:

/*eslint function-call-argument-newline: ["error", "always"]*/

foo(
    "one",
    "two",
    "three"
);

bar(
    "one",
    "two",
    { one: 1, two: 2 }
);
// or
bar(
    "one",
    "two",
    {
        one: 1,
        two: 2
    }
);

baz(
    "one",
    "two",
    (x) => {
        console.log(x);
    }
);

never

Examples of incorrect code for this rule with the "never" option:

/*eslint function-call-argument-newline: ["error", "never"]*/

foo(
    "one",
    "two", "three"
);

bar(
    "one",
    "two", {
        one: 1,
        two: 2
    }
);

baz(
    "one",
    "two", (x) => {
        console.log(x);
    }
);

Examples of correct code for this rule with the "never" option:

/*eslint function-call-argument-newline: ["error", "never"]*/

foo("one", "two", "three");
// or
foo(
    "one", "two", "three"
);

bar("one", "two", { one: 1, two: 2 });
// or
bar("one", "two", {
    one: 1,
    two: 2
});

baz("one", "two", (x) => {
    console.log(x);
});

consistent

Examples of incorrect code for this rule with the "consistent" option:

/*eslint function-call-argument-newline: ["error", "consistent"]*/

foo("one", "two",
    "three");
//or
foo("one",
    "two", "three");

bar("one", "two",
    { one: 1, two: 2}
);

baz("one", "two",
    (x) => { console.log(x); }
);

Examples of correct code for this rule with the "consistent" option:

/*eslint function-call-argument-newline: ["error", "consistent"]*/

foo("one", "two", "three");
// or
foo(
    "one",
    "two",
    "three"
);

bar("one", "two", {
    one: 1,
    two: 2
});
// or
bar(
    "one",
    "two",
    { one: 1, two: 2 }
);
// or
bar(
    "one",
    "two",
    {
        one: 1,
        two: 2
    }
);

baz("one", "two", (x) => {
    console.log(x);
});
// or
baz(
    "one",
    "two",
    (x) => {
        console.log(x);
    }
);

When Not To Use It

If you don't want to enforce line breaks between arguments, don't enable this rule.

Version

This rule was introduced in ESLint 6.2.0.