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1 files changed, 99 insertions, 0 deletions

diff --git a/node_modules/@babel/plugin-transform-duplicate-keys/lib/index.js b/node_modules/@babel/plugin-transform-duplicate-keys/lib/index.js
new file mode 100644
index 00000000..a897df52
--- /dev/null
+++ b/node_modules/@babel/plugin-transform-duplicate-keys/lib/index.js
@@ -0,0 +1,99 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+
+function _helperPluginUtils() {
+  const data = require("@babel/helper-plugin-utils");
+
+  _helperPluginUtils = function _helperPluginUtils() {
+    return data;
+  };
+
+  return data;
+}
+
+function _core() {
+  const data = require("@babel/core");
+
+  _core = function _core() {
+    return data;
+  };
+
+  return data;
+}
+
+function getName(key) {
+  if (_core().types.isIdentifier(key)) {
+    return key.name;
+  }
+
+  return key.value.toString();
+}
+
+var _default = (0, _helperPluginUtils().declare)(api => {
+  api.assertVersion(7);
+  return {
+    visitor: {
+      ObjectExpression(path) {
+        const node = path.node;
+        const plainProps = node.properties.filter(prop => !_core().types.isSpreadElement(prop) && !prop.computed);
+        const alreadySeenData = Object.create(null);
+        const alreadySeenGetters = Object.create(null);
+        const alreadySeenSetters = Object.create(null);
+
+        for (var _iterator = plainProps, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) {
+          var _ref;
+
+          if (_isArray) {
+            if (_i >= _iterator.length) break;
+            _ref = _iterator[_i++];
+          } else {
+            _i = _iterator.next();
+            if (_i.done) break;
+            _ref = _i.value;
+          }
+
+          const prop = _ref;
+          const name = getName(prop.key);
+          let isDuplicate = false;
+
+          switch (prop.kind) {
+            case "get":
+              if (alreadySeenData[name] || alreadySeenGetters[name]) {
+                isDuplicate = true;
+              }
+
+              alreadySeenGetters[name] = true;
+              break;
+
+            case "set":
+              if (alreadySeenData[name] || alreadySeenSetters[name]) {
+                isDuplicate = true;
+              }
+
+              alreadySeenSetters[name] = true;
+              break;
+
+            default:
+              if (alreadySeenData[name] || alreadySeenGetters[name] || alreadySeenSetters[name]) {
+                isDuplicate = true;
+              }
+
+              alreadySeenData[name] = true;
+          }
+
+          if (isDuplicate) {
+            prop.computed = true;
+            prop.key = _core().types.stringLiteral(name);
+          }
+        }
+      }
+
+    }
+  };
+});
+
+exports.default = _default;
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