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util: fix formatting of functions returned from getters #64839

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nodejs-github-bot merged 2 commits into from
Aug 22, 2026
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util: fix formatting of functions returned from getters #64839

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5423679
util: fix formatting of functions returned from getters
gibson042 Jul 30, 2026
d23a740
fixup! util: fix formatting of functions returned from getters
gibson042 Jul 31, 2026
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2 changes: 1 addition & 1 deletion lib/internal/util/inspect.js
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Original file line number Diff line number Diff line change
Expand Up @@ -2576,7 +2576,7 @@ function formatProperty(ctx, value, recurseTimes, key, type, desc,
const tmp = FunctionPrototypeCall(desc.get, original);
if (tmp === null) {
str = `${s(`[${label}:`, sp)} ${s('null', 'null')}${s(']', sp)}`;
} else if (typeof tmp === 'object') {
} else if (typeof tmp === 'object' || typeof tmp === 'function') {
str = `${s(`[${label}]`, sp)} ${formatValue(ctx, tmp, recurseTimes)}`;
} else {
const primitive = formatPrimitive(s, tmp, ctx);
Expand Down
22 changes: 14 additions & 8 deletions test/parallel/test-util-inspect.js
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Original file line number Diff line number Diff line change
Expand Up @@ -2596,6 +2596,15 @@
"'foobar', { x: 1 } },\n inc: [Getter: NaN]\n}");
}

// Getter returning a function.
// https://github.com/nodejs/node/issues/64838
{
const obj = { get foo() { return function bar(){}; } };

Check failure on line 2602 in test/parallel/test-util-inspect.js

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GitHub Actions / lint-js-and-md 

Missing space before opening brace
assert.strictEqual(
inspect(obj, { getters: true }),
'{ foo: [Getter] [Function: bar] }');
}

// Property getter throwing an error.
{
const error = new Error('Oops');
Expand Down Expand Up @@ -3524,16 +3533,14 @@
'\x1B[2mdef: \x1B[33m5\x1B[39m\x1B[22m }'
);

assert.match(
assert.strictEqual(
inspect(Object.getPrototypeOf(bar), { showHidden: true, getters: true }),
new RegExp('^' + RegExp.escape(
'<ref *1> Foo [Map] {\n' +
' [constructor]: [class Bar extends Foo] {\n' +
'<ref *2> Foo [Map] {\n' +
' [constructor]: <ref *1> [class Bar extends Foo] {\n' +
' [length]: 0,\n' +
" [name]: 'Bar',\n" +
' [prototype]: [Circular *1],\n' +
' [Symbol(Symbol.species)]: [Getter: <Inspection threw ' +
"(TypeError: Symbol.prototype.toString requires that 'this' be a Symbol") + '.*' + RegExp.escape(')>]\n' +
' [prototype]: [Circular *2],\n' +
' [Symbol(Symbol.species)]: [Getter] [Circular *1]\n' +
' },\n' +
" [xyz]: [Getter: 'YES!'],\n" +
' [Symbol(nodejs.util.inspect.custom)]: [Function: [nodejs.util.inspect.custom]] {\n' +
Expand All @@ -3543,7 +3550,6 @@
' [abc]: [Getter: true],\n' +
' [def]: [Getter/Setter: false]\n' +
'}'
) + '$', 's')
);

assert.strictEqual(
Expand Down
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