It appears you have a well-structured Git repository with various files, including SVG icons and HTML documents. Here's a brief overview:

backend/node_modules/date-fns/nextSunday/index.js

@@ -0,0 +1,31 @@
+"use strict";
+
+var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault").default;
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = nextSunday;
+var _index = _interopRequireDefault(require("../nextDay/index.js"));
+var _index2 = _interopRequireDefault(require("../_lib/requiredArgs/index.js"));
+/**
+ * @name nextSunday
+ * @category Weekday Helpers
+ * @summary When is the next Sunday?
+ *
+ * @description
+ * When is the next Sunday?
+ *
+ * @param {Date | number} date - the date to start counting from
+ * @returns {Date} the next Sunday
+ * @throws {TypeError} 1 argument required
+ *
+ * @example
+ * // When is the next Sunday after Mar, 22, 2020?
+ * const result = nextSunday(new Date(2020, 2, 22))
+ * //=> Sun Mar 29 2020 00:00:00
+ */
+function nextSunday(date) {
+  (0, _index2.default)(1, arguments);
+  return (0, _index.default)(date, 0);
+}
+module.exports = exports.default;