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util: fix TypeError when console.log a static property name in class #42790

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util: fix TypeError when console.log a static property name in class #42790

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97b631a
util: fix TypeError of symbol in template literals
cola119 Apr 20, 2022
a562ec3
fixup! util: fix TypeError of symbol in template literals
cola119 Apr 23, 2022
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3 changes: 2 additions & 1 deletion lib/internal/util/inspect.js
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Original file line number Diff line number Diff line change
Expand Up @@ -579,7 +579,8 @@ function getConstructorName(obj, ctx, recurseTimes, protoProps) {
addPrototypeProperties(
ctx, tmp, firstProto || tmp, recurseTimes, protoProps);
}
return descriptor.value.name;
const name = descriptor.value.name;
return typeof name === 'symbol' ? SymbolPrototypeToString(name) : name;
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Suggested change
const name = descriptor.value.name;
return typeof name === 'symbol' ? SymbolPrototypeToString(name) : name;
return String(descriptor.value.name);

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Thank you. That makes sense!

}

obj = ObjectGetPrototypeOf(obj);
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5 changes: 5 additions & 0 deletions test/parallel/test-util-inspect.js
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Expand Up @@ -1396,6 +1396,9 @@ if (typeof Symbol !== 'undefined') {
class SetSubclass extends Set {}
class MapSubclass extends Map {}
class PromiseSubclass extends Promise {}
class SymbolNameClass {
static name = Symbol('name');
}

const x = new ObjectSubclass();
x.foo = 42;
Expand All @@ -1409,6 +1412,8 @@ if (typeof Symbol !== 'undefined') {
"MapSubclass(1) [Map] { 'foo' => 42 }");
assert.strictEqual(util.inspect(new PromiseSubclass(() => {})),
'PromiseSubclass [Promise] { <pending> }');
assert.strictEqual(util.inspect(new SymbolNameClass()),
'Symbol(name) {}');
assert.strictEqual(
util.inspect({ a: { b: new ArraySubclass([1, [2], 3]) } }, { depth: 1 }),
'{ a: { b: [ArraySubclass] } }'
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