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34 lines
917 B
JavaScript

6 years ago
"use strict";
exports.__esModule = true;
exports.default = function (_ref) {
var t = _ref.types;
return {
visitor: {
ArrowFunctionExpression: function ArrowFunctionExpression(path, state) {
if (state.opts.spec) {
var node = path.node;
if (node.shadow) return;
node.shadow = { this: false };
node.type = "FunctionExpression";
var boundThis = t.thisExpression();
boundThis._forceShadow = path;
path.ensureBlock();
path.get("body").unshiftContainer("body", t.expressionStatement(t.callExpression(state.addHelper("newArrowCheck"), [t.thisExpression(), boundThis])));
path.replaceWith(t.callExpression(t.memberExpression(node, t.identifier("bind")), [t.thisExpression()]));
} else {
path.arrowFunctionToShadowed();
}
}
}
};
};
module.exports = exports["default"];