(target, sourceType, checkMode)
| 78802 | return checkReferenceAssignment(target, sourceType, checkMode); |
| 78803 | } |
| 78804 | function checkReferenceAssignment(target, sourceType, checkMode) { |
| 78805 | var targetType = checkExpression(target, checkMode); |
| 78806 | var error = target.parent.kind === 298 /* SyntaxKind.SpreadAssignment */ ? |
| 78807 | ts.Diagnostics.The_target_of_an_object_rest_assignment_must_be_a_variable_or_a_property_access : |
| 78808 | ts.Diagnostics.The_left_hand_side_of_an_assignment_expression_must_be_a_variable_or_a_property_access; |
| 78809 | var optionalError = target.parent.kind === 298 /* SyntaxKind.SpreadAssignment */ ? |
| 78810 | ts.Diagnostics.The_target_of_an_object_rest_assignment_may_not_be_an_optional_property_access : |
| 78811 | ts.Diagnostics.The_left_hand_side_of_an_assignment_expression_may_not_be_an_optional_property_access; |
| 78812 | if (checkReferenceExpression(target, error, optionalError)) { |
| 78813 | checkTypeAssignableToAndOptionallyElaborate(sourceType, targetType, target, target); |
| 78814 | } |
| 78815 | if (ts.isPrivateIdentifierPropertyAccessExpression(target)) { |
| 78816 | checkExternalEmitHelpers(target.parent, 1048576 /* ExternalEmitHelpers.ClassPrivateFieldSet */); |
| 78817 | } |
| 78818 | return sourceType; |
| 78819 | } |
| 78820 | /** |
| 78821 | * This is a *shallow* check: An expression is side-effect-free if the |
| 78822 | * evaluation of the expression *itself* cannot produce side effects. |
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