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fix: don't swallow customInspect exceptions (#9095)

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Steven Guerrero 2021-01-14 14:18:51 -05:00 • committed by GitHub
parent 979d71c883
commit 2d1208556a
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2 changed files with 9 additions and 28 deletions
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19
cli/tests/unit/console_test.ts
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@ -12,6 +12,7 @@ import {
assert,
assertEquals,
assertStringIncludes,
assertThrows,
unitTest,
} from "./test_util.ts";
import { stripColor } from "../../../std/fmt/colors.ts";
@ -834,19 +835,11 @@ unitTest(function consoleTestWithCustomInspectorError(): void {
}
}
assertEquals(stringify(new A()), "A {}");
class B {
constructor(public field: { a: string }) {}
[customInspect](): string {
return this.field.a;
}
}
assertEquals(stringify(new B({ a: "a" })), "a");
assertEquals(
stringify(B.prototype),
"B { [Symbol(Deno.customInspect)]: [Function: [Deno.customInspect]] }",
assertThrows(
() => stringify(new A()),
Error,
"BOOM",
"Custom inspect won't attempt to parse if user defined function throws",
);
});