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util: inspect __proto__ key as written in object literal
Since util.inspect() gives object-literal-like output, handle the special `__proto__` key in the way that it would be handled in object literals. PR-URL: #37713 Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de> Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Gus Caplan <me@gus.host> Reviewed-By: Darshan Sen <raisinten@gmail.com> Reviewed-By: Gerhard Stöbich <deb2001-github@yahoo.de>
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lib/internal/util/inspect.js

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@@ -1718,6 +1718,8 @@ function formatProperty(ctx, value, recurseTimes, key, type, desc,
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strEscapeSequencesReplacer, escapeFn
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);
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name = `[${ctx.stylize(tmp, 'symbol')}]`;
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} else if (key === '__proto__') {
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name = "['__proto__']";
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} else if (desc.enumerable === false) {
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const tmp = StringPrototypeReplace(key,
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strEscapeSequencesReplacer, escapeFn);

test/parallel/test-util-inspect.js

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@@ -3095,3 +3095,10 @@ assert.strictEqual(
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']'
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);
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}
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{
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assert.strictEqual(
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util.inspect({ ['__proto__']: { a: 1 } }),
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"{ ['__proto__']: { a: 1 } }"
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);
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}

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