don't drop index signatures when spreading object #29177
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ajafff
commented
Dec 27, 2018
| getNonReadonlyIndexSignature(stringIndexInfo), | ||
| getNonReadonlyIndexSignature(numberIndexInfo)); | ||
| leftStringIndexInfo || rightStringIndexInfo ? createIndexInfo(getUnionType(stringIndexTypes.concat(numberIndexTypes), UnionReduction.Subtype), /*readonly*/ false) : undefined, | ||
| leftNumberIndexInfo || rightNumberIndexInfo ? createIndexInfo(getUnionType(numberIndexTypes, UnionReduction.Subtype), /*readonly*/ false) : undefined); |
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this always loses the declaration of the original signature. is this information necessary to retain?
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Closing because #27273 has not been decided yet. Will re-open if we decide to take that change. |
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Fixes #27273