Backend half

SerpentRace_Backend/node_modules/dayjs/esm/plugin/isSameOrBefore/index.d.ts

@@ -0,0 +1,10 @@
+import { PluginFunc, ConfigType, OpUnitType } from 'dayjs/esm'
+
+declare const plugin: PluginFunc
+export = plugin
+
+declare module 'dayjs/esm' {
+  interface Dayjs {
+    isSameOrBefore(date?: ConfigType, unit?: OpUnitType): boolean
+  }
+}

SerpentRace_Backend/node_modules/dayjs/esm/plugin/isSameOrBefore/index.js

@@ -0,0 +1,5 @@
+export default (function (o, c) {
+  c.prototype.isSameOrBefore = function (that, units) {
+    return this.isSame(that, units) || this.isBefore(that, units);
+  };
+});