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(rosetta): incorrect translation of inferred types to c# #3027

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nija-at opened this issue Oct 5, 2021 · 1 comment · Fixed by #3047
Closed

(rosetta): incorrect translation of inferred types to c# #3027

nija-at opened this issue Oct 5, 2021 · 1 comment · Fixed by #3047
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bug This issue is a bug. needs-triage This issue or PR still needs to be triaged.

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@nija-at
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nija-at commented Oct 5, 2021 •
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🐛 Bug Report

In some cases, variables with inferred types get translated as __object in typescript.
This seems to happen when the type signature on the method is any.

See example below.

================= 7fbf857fd1de77d132905edb0484ed62d5d56ab4fe814ae1a79d0bf91aa83f57 =================
const expected = {
  Foo: 'Bar',
  Baz: 5,
  Qux: [ 'Waldo', 'Fred' ],
};
template.hasResourceProperties('Foo::Bar', expected);
----------- csharp -----------
__object expected = new Dictionary<string, object> {
    { "Foo", "Bar" },
    { "Baz", 5 },
    { "Qux", new [] { "Waldo", "Fred" } }
};
template.HasResourceProperties("Foo::Bar", expected);

The signature of the method used here is -

hasResourceProperties(type: string, props: any): void
@nija-at nija-at added bug This issue is a bug. needs-triage This issue or PR still needs to be triaged. labels Oct 5, 2021
@rix0rrr rix0rrr mentioned this issue Oct 11, 2021
Merged
@mergify mergify bot closed this as completed in #3047 Oct 11, 2021
mergify bot pushed a commit that referenced this issue Oct 11, 2021
@rix0rrr
fix(rosetta): literal map type is rendered as __object in C sharp (#3047
e2843be 
)

(The diff of this PR will clean up after #3044 has been merged)

The error was in conflating "detecting a map type but not knowing
what the element type was" and "not detecting a map type" (these
cases could not be distinguished because both would result in
`undefined`).

Also remove an unnecessary argument to
`keyValueObjectLiteralExpression`.

Fixes #3026, fixes #3027.


---

By submitting this pull request, I confirm that my contribution is made under the terms of the [Apache 2.0 license].

[Apache 2.0 license]: https://www.apache.org/licenses/LICENSE-2.0
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fix(rosetta): literal map type is rendered as __object in C sharp aws/jsii
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