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util: improve proxy inspection #26919

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util: improve proxy inspection #26919

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3 changes: 1 addition & 2 deletions lib/internal/util/inspect.js
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Original file line number Diff line number Diff line change
Expand Up @@ -423,8 +423,7 @@ function formatProxy(ctx, proxy, recurseTimes) {
formatValue(ctx, proxy[1], recurseTimes)
];
ctx.indentationLvl -= 2;
const str = reduceToSingleString(ctx, res, '', ['[', ']']);
return `Proxy ${str}`;
return reduceToSingleString(ctx, res, '', ['Proxy [', ']']);
}

function findTypedConstructor(value) {
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18 changes: 11 additions & 7 deletions test/parallel/test-util-inspect-proxy.js
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Original file line number Diff line number Diff line change
Expand Up @@ -49,7 +49,8 @@ assert.strictEqual(handler, details[1]);

assert.strictEqual(
util.inspect(proxyObj, opts),
'Proxy [ [ 1, 2, 3 ],\n' +
'Proxy [\n' +
' [ 1, 2, 3 ],\n' +
' { getPrototypeOf: [Function: getPrototypeOf],\n' +
' setPrototypeOf: [Function: setPrototypeOf],\n' +
' isExtensible: [Function: isExtensible],\n' +
Expand Down Expand Up @@ -86,12 +87,15 @@ const expected1 = 'Proxy [ {}, {} ]';
const expected2 = 'Proxy [ Proxy [ {}, {} ], {} ]';
const expected3 = 'Proxy [ Proxy [ Proxy [ {}, {} ], {} ], Proxy [ {}, {} ] ]';
const expected4 = 'Proxy [ Proxy [ {}, {} ], Proxy [ Proxy [ {}, {} ], {} ] ]';
const expected5 = 'Proxy [ Proxy [ Proxy [ Proxy [Array], {} ],' +
' Proxy [ {}, {} ] ],\n Proxy [ Proxy [ {}, {} ]' +
', Proxy [ Proxy [Array], {} ] ] ]';
const expected6 = 'Proxy [ Proxy [ Proxy [ Proxy [Array], Proxy [Array]' +
' ],\n Proxy [ Proxy [Array], Proxy [Array] ] ],\n' +
' Proxy [ Proxy [ Proxy [Array], Proxy [Array] ],\n' +
const expected5 = 'Proxy [\n ' +
'Proxy [ Proxy [ Proxy [Array], {} ], Proxy [ {}, {} ] ],\n' +
' Proxy [ Proxy [ {}, {} ], Proxy [ Proxy [Array], {} ] ] ]';
const expected6 = 'Proxy [\n' +
' Proxy [\n' +
' Proxy [ Proxy [Array], Proxy [Array] ],\n' +
' Proxy [ Proxy [Array], Proxy [Array] ] ],\n' +
' Proxy [\n' +
' Proxy [ Proxy [Array], Proxy [Array] ],\n' +
' Proxy [ Proxy [Array], Proxy [Array] ] ] ]';
assert.strictEqual(
util.inspect(proxy1, { showProxy: true, depth: null }),
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