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Error on 'void' prior to property/index accesses.

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This commit is contained in:
Daniel Rosenwasser
2020-10-09 16:53:58 -07:00
parent b31be85169
commit 908eeae7c3
1 changed files with 8 additions and 4 deletions
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src/compiler/checker.ts
+8 -4
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@@ -25522,6 +25522,10 @@ namespace ts {
return checkNonNullType(checkExpression(node), node);
}
function checkNonNullNonVoidExpression(node: Expression | QualifiedName) {
return checkNonNullNonVoidType(checkExpression(node), node);
}
function isNullableType(type: Type) {
return !!((strictNullChecks ? getFalsyFlags(type) : type.flags) & TypeFlags.Nullable);
}
@@ -25578,7 +25582,7 @@ namespace ts {
function checkPropertyAccessExpression(node: PropertyAccessExpression) {
return node.flags & NodeFlags.OptionalChain ? checkPropertyAccessChain(node as PropertyAccessChain) :
checkPropertyAccessExpressionOrQualifiedName(node, node.expression, checkNonNullExpression(node.expression), node.name);
checkPropertyAccessExpressionOrQualifiedName(node, node.expression, checkNonNullNonVoidExpression(node.expression), node.name);
}
function checkPropertyAccessChain(node: PropertyAccessChain) {
@@ -25588,7 +25592,7 @@ namespace ts {
}
function checkQualifiedName(node: QualifiedName) {
return checkPropertyAccessExpressionOrQualifiedName(node, node.left, checkNonNullExpression(node.left), node.right);
return checkPropertyAccessExpressionOrQualifiedName(node, node.left, checkNonNullNonVoidExpression(node.left), node.right);
}
function isMethodAccessForCall(node: Node) {
@@ -26194,13 +26198,13 @@ namespace ts {
function checkIndexedAccess(node: ElementAccessExpression): Type {
return node.flags & NodeFlags.OptionalChain ? checkElementAccessChain(node as ElementAccessChain) :
checkElementAccessExpression(node, checkNonNullExpression(node.expression));
checkElementAccessExpression(node, checkNonNullNonVoidExpression(node.expression));
}
function checkElementAccessChain(node: ElementAccessChain) {
const exprType = checkExpression(node.expression);
const nonOptionalType = getOptionalExpressionType(exprType, node.expression);
return propagateOptionalTypeMarker(checkElementAccessExpression(node, checkNonNullType(nonOptionalType, node.expression)), node, nonOptionalType !== exprType);
return propagateOptionalTypeMarker(checkElementAccessExpression(node, checkNonNullNonVoidType(nonOptionalType, node.expression)), node, nonOptionalType !== exprType);
}
function checkElementAccessExpression(node: ElementAccessExpression, exprType: Type): Type {