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Support element access aliases: exports["x"] = x (#40514)

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This commit is contained in:
Nathan Shively-Sanders
2020-09-11 18:05:47 -07:00
committed by GitHub
parent eee799fe0c
commit 9c99870058
4 changed files with 30 additions and 3 deletions
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7
src/compiler/checker.ts
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@@ -2408,7 +2408,7 @@ namespace ts {
|| node.kind === SyntaxKind.ExportSpecifier
|| node.kind === SyntaxKind.ExportAssignment && exportAssignmentIsAlias(<ExportAssignment>node)
|| isBinaryExpression(node) && getAssignmentDeclarationKind(node) === AssignmentDeclarationKind.ModuleExports && exportAssignmentIsAlias(node)
|| isPropertyAccessExpression(node)
|| isAccessExpression(node)
&& isBinaryExpression(node.parent)
&& node.parent.left === node
&& node.parent.operatorToken.kind === SyntaxKind.EqualsToken
@@ -2803,7 +2803,7 @@ namespace ts {
return getTargetOfAliasLikeExpression(expression, dontRecursivelyResolve);
}
function getTargetOfPropertyAccessExpression(node: PropertyAccessExpression, dontRecursivelyResolve: boolean): Symbol | undefined {
function getTargetOfAccessExpression(node: AccessExpression, dontRecursivelyResolve: boolean): Symbol | undefined {
if (!(isBinaryExpression(node.parent) && node.parent.left === node && node.parent.operatorToken.kind === SyntaxKind.EqualsToken)) {
return undefined;
}
@@ -2836,8 +2836,9 @@ namespace ts {
return resolveEntityName((node as ShorthandPropertyAssignment).name, SymbolFlags.Value | SymbolFlags.Type | SymbolFlags.Namespace, /*ignoreErrors*/ true, dontRecursivelyResolve);
case SyntaxKind.PropertyAssignment:
return getTargetOfPropertyAssignment(node as PropertyAssignment, dontRecursivelyResolve);
case SyntaxKind.ElementAccessExpression:
case SyntaxKind.PropertyAccessExpression:
return getTargetOfPropertyAccessExpression(node as PropertyAccessExpression, dontRecursivelyResolve);
return getTargetOfAccessExpression(node as AccessExpression, dontRecursivelyResolve);
default:
return Debug.fail();
}