block-spacing

Disallow or enforce spaces inside of blocks after opening block and before closing block

This rule was deprecated in ESLint v8.53.0. Please use the corresponding rule in @stylistic/eslint-plugin-js.

Rule Details

This rule enforces consistent spacing inside an open block token and the next token on the same line. This rule also enforces consistent spacing inside a close block token and previous token on the same line.

Options

This rule has a string option:

• "always" (default) requires one or more spaces
• "never" disallows spaces

always

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

/*eslint block-spacing: "error"*/

function foo() {return true;}
if (foo) { bar = 0;}
function baz() {let i = 0;
    return i;
}

class C {
    static {this.bar = 0;}
}
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Examples of correct code for this rule with the default "always" option:

/*eslint block-spacing: "error"*/

function foo() { return true; }
if (foo) { bar = 0; }

class C {
    static { this.bar = 0; }
}
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never

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

/*eslint block-spacing: ["error", "never"]*/

function foo() { return true; }
if (foo) { bar = 0;}

class C {
    static { this.bar = 0; }
}
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Examples of correct code for this rule with the "never" option:

/*eslint block-spacing: ["error", "never"]*/

function foo() {return true;}
if (foo) {bar = 0;}

class C {
    static {this.bar = 0;}
}
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When Not To Use It

If you don’t want to be notified about spacing style inside of blocks, you can safely disable this rule.

Related Rules

• space-before-blocks
• brace-style

Version

This rule was introduced in ESLint v1.2.0.

Resources

• Rule source
• Tests source