no-implicit-coercion: allow !! operator for improved control flow analysis
#72
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… analysis See release notes for TypeScript 4.4: https://www.typescriptlang.org/docs/handbook/release-notes/typescript-4-4.html#control-flow-analysis-of-aliased-conditions-and-discriminants See demo: https://www.typescriptlang.org/play?#code/CYUwxgNghgTiAEYD2A7AzgF3gDwFz0xgEsUBzeAH3hQFcIIBuAWAChXl0sAjJJCEKCgDCqYEQxFU8ALzwAQr36CAFNgCUrVkQBm8ZTz4Dho8ZJRr4Ab1bxb8APT34IGDCQx4ACxcgbdjmiGAHQQSKSqQRhIADJIAO4uQlBoIMpqGiwAvposAVgADjRwIihiElKyAISV2Dk6eoXFJuXmVn62jvBcNFgoSM6u7l4+7YiogfwhYRFRsQkwSSlpGZlAA
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It doesn't make sense to change our coding habits just to work around a TypeScript bug/limitation. You should instead open an issue on TypeScript about it. |
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See release notes for TypeScript 4.4: https://www.typescriptlang.org/docs/handbook/release-notes/typescript-4-4.html#control-flow-analysis-of-aliased-conditions-and-discriminants
See demo: https://www.typescriptlang.org/play?#code/CYUwxgNghgTiAEYD2A7AzgF3gDwFz0xgEsUBzeAH3hQFcIIBuAWAChXl0sAjJJCEKCgDCqYEQxFU8ALzwAQr36CAFNgCUrVkQBm8ZTz4Dho8ZJRr4Ab1bxb8APT34IGDCQx4ACxcgbdjmiGAHQQSKSqQRhIADJIAO4uQlBoIMpqGiwAvposAVgADjRwIihiElKyAISV2Dk6eoXFJuXmVn62jvBcNFgoSM6u7l4+7YiogfwhYRFRsQkwSSlpGZlAA