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Control flow for constructor initialized properties #37920

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Merged
ahejlsberg merged 10 commits into from
Apr 28, 2020
Merged

Control flow for constructor initialized properties #37920

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2fbab38
Use CFA to determine types of properties declared by this.xxx assignm…
ahejlsberg Apr 12, 2020
957d9e6
Accept new baselines
ahejlsberg Apr 12, 2020
6e0274a
Also use CFA in constructor functions
ahejlsberg Apr 14, 2020
df98d9c
Accept new baselines
ahejlsberg Apr 14, 2020
0c9c76a
Fix lint error
ahejlsberg Apr 14, 2020
728d9cb
Only widen fresh literal types in CFA of assignment to auto-typed
ahejlsberg Apr 16, 2020
fa6fee8
Auto-typing for declared properties with no type annotation or initia…
ahejlsberg Apr 21, 2020
e6d7607
Add optionality if declaration includes '?' modifier
ahejlsberg Apr 21, 2020
33cbb82
Always use CFA for properties with no initializer in .js files
ahejlsberg Apr 21, 2020
ab993c2
Small fix
ahejlsberg Apr 21, 2020
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Fix lint error
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@ahejlsberg
ahejlsberg committed Apr 14, 2020
commit 0c9c76a14a8e0d61fe410e2633f52f8e1f68ce05
2 changes: 1 addition & 1 deletion src/compiler/checker.ts
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Expand Up @@ -7552,7 +7552,7 @@ namespace ts {
const containerObjectType = getJSContainerObjectType(symbol.valueDeclaration, symbol, container);
return containerObjectType || getWidenedLiteralType(checkExpressionCached(container));
}
let type = undefined;
let type;
let definedInConstructor = false;
let definedInMethod = false;
// We use control flow analysis to determine the type of the property if the property qualifies as a constructor
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