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inferFromUsage: Handle being at an unexpected location (#22569)

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* inferFromUsage: Handle being at an unexpected location

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This commit is contained in:
Andy 2018-03-14 10:57:38 -07:00 committed by Mohamed Hegazy
parent f7e2bb0b09
commit 9ff67f636b
1 changed files with 9 additions and 5 deletions
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14
src/services/codefixes/inferFromUsage.ts
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@ -64,17 +64,21 @@ namespace ts.codefix {
return undefined;
}
const { parent } = token;
switch (errorCode) {
// Variable and Property declarations
case Diagnostics.Member_0_implicitly_has_an_1_type.code:
case Diagnostics.Variable_0_implicitly_has_type_1_in_some_locations_where_its_type_cannot_be_determined.code:
annotateVariableDeclaration(changes, sourceFile, <PropertyDeclaration | PropertySignature | VariableDeclaration>token.parent, program, cancellationToken);
return token.parent as Declaration;
if (isVariableDeclaration(parent) || isPropertyDeclaration(parent) || isPropertySignature(parent)) { // handle bad location
annotateVariableDeclaration(changes, sourceFile, parent, program, cancellationToken);
return parent;
}
return undefined;
case Diagnostics.Variable_0_implicitly_has_an_1_type.code: {
const symbol = program.getTypeChecker().getSymbolAtLocation(token);
if (symbol && symbol.valueDeclaration) {
annotateVariableDeclaration(changes, sourceFile, <VariableDeclaration>symbol.valueDeclaration, program, cancellationToken);
if (symbol && symbol.valueDeclaration && isVariableDeclaration(symbol.valueDeclaration)) {
annotateVariableDeclaration(changes, sourceFile, symbol.valueDeclaration, program, cancellationToken);
return symbol.valueDeclaration;
}
}
@ -95,7 +99,7 @@ namespace ts.codefix {
// falls through
case Diagnostics.Rest_parameter_0_implicitly_has_an_any_type.code:
if (!seenFunctions || addToSeen(seenFunctions, getNodeId(containingFunction))) {
const param = cast(token.parent, isParameter);
const param = cast(parent, isParameter);
annotateParameters(changes, param, containingFunction, sourceFile, program, cancellationToken);
return param;
}