add all frontend files

node_modules/jsx-ast-utils/lib/values/expressions/AssignmentExpression.js

@@ -0,0 +1,19 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = extractValueFromAssignmentExpression;
+/**
+ * Extractor function for a AssignmentExpression type value node.
+ * An assignment expression looks like `x = y` or `x += y` in expression position.
+ * This will return the assignment as the value.
+ *
+ * @param - value - AST Value object with type `AssignmentExpression`
+ * @returns - The extracted value converted to correct type.
+ */
+function extractValueFromAssignmentExpression(value) {
+  // eslint-disable-next-line global-require
+  var getValue = require('.').default;
+  return getValue(value.left) + ' ' + value.operator + ' ' + getValue(value.right);
+}