Rest of untyped binding pattern is{[s: string]: any }#12564
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This is more correct than any and the code is more elegant as well.
sandersn changed the title 
mhegazy reviewed Nov 30, 2016
| var{[computed]: stillNotGreat, [computed2]: soSo, ...o } = o; | ||
| ({[computed]: stillNotGreat, [computed2]: soSo, ...o } = o); | ||
| var noContextualType = ({aNumber = 12, ...notEmptyObject }) => aNumber; |
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can you add a test where notEmptyObject.somePropoerty is used, to make sure we get an error if the behavior changes, instead of just the type-baseline changes.
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also can you add a test for --noImplicitAny error for this case.
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Wait—actually this doesn't allow arbitrary access to properties, just indexed access.
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OK, so I added back the special case. Which makes the two tests you asked for pass.
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mhegazy commented Nov 30, 2016
I think this looks much better. |
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mhegazy commented Nov 30, 2016
@ahejlsberg any comments? |
sandersn changed the title sandersn changed the title mhegazy approved these changes Dec 1, 2016
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Fixes#12519
Edit:
@mhegazy pointed out that (1) rest of an untyped binding pattern isn't really any since it's definitely not a function (2) adding an index signature results in a more straightforward fix. So the current version adds an index signature to the structurally inferred type of an untyped binding pattern.