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甲情_甲意/miniprogram/node_modules/dayjs/esm/plugin/weekYear/index.d.ts

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+import { PluginFunc } from 'dayjs/esm'
+
+declare const plugin: PluginFunc
+export = plugin
+
+declare module 'dayjs/esm' {
+  interface Dayjs {
+    weekYear(): number
+  }
+}

甲情_甲意/miniprogram/node_modules/dayjs/esm/plugin/weekYear/index.js

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+export default (function (o, c) {
+  var proto = c.prototype;
+
+  proto.weekYear = function () {
+    var month = this.month();
+    var weekOfYear = this.week();
+    var year = this.year();
+
+    if (weekOfYear === 1 && month === 11) {
+      return year + 1;
+    }
+
+    if (month === 0 && weekOfYear >= 52) {
+      return year - 1;
+    }
+
+    return year;
+  };
+});