f31c72f310
Prevent module transforms from rewriting `this` to `void 0` when found in the values of private class properties. Add tests to prevent regressions.
24 lines
559 B
JavaScript
24 lines
559 B
JavaScript
export default function rewriteThis(programPath: NodePath) {
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// Rewrite "this" to be "undefined".
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programPath.traverse(rewriteThisVisitor);
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}
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/**
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* A visitor to walk the tree, rewriting all `this` references in the top-level scope to be
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* `undefined`.
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*/
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const rewriteThisVisitor = {
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ThisExpression(path) {
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path.replaceWith(path.scope.buildUndefinedNode());
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},
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Function(path) {
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if (!path.isArrowFunctionExpression()) path.skip();
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},
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ClassProperty(path) {
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path.skip();
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},
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ClassPrivateProperty(path) {
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path.skip();
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},
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};
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