Improve code quality and write tests

node_modules/@babel/helper-builder-binary-assignment-operator-visitor/lib/index.js

@@ -0,0 +1,61 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = _default;
+
+function _helperExplodeAssignableExpression() {
+  const data = _interopRequireDefault(require("@babel/helper-explode-assignable-expression"));
+
+  _helperExplodeAssignableExpression = function () {
+    return data;
+  };
+
+  return data;
+}
+
+function t() {
+  const data = _interopRequireWildcard(require("@babel/types"));
+
+  t = function () {
+    return data;
+  };
+
+  return data;
+}
+
+function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = Object.defineProperty && Object.getOwnPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : {}; if (desc.get || desc.set) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } } newObj.default = obj; return newObj; } }
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function _default(opts) {
+  const {
+    build,
+    operator
+  } = opts;
+  return {
+    AssignmentExpression(path) {
+      const {
+        node,
+        scope
+      } = path;
+      if (node.operator !== operator + "=") return;
+      const nodes = [];
+      const exploded = (0, _helperExplodeAssignableExpression().default)(node.left, nodes, this, scope);
+      nodes.push(t().assignmentExpression("=", exploded.ref, build(exploded.uid, node.right)));
+      path.replaceWith(t().sequenceExpression(nodes));
+    },
+
+    BinaryExpression(path) {
+      const {
+        node
+      } = path;
+
+      if (node.operator === operator) {
+        path.replaceWith(build(node.left, node.right));
+      }
+    }
+
+  };
+}