📝 Commit Details:

backend/node_modules/date-fns/startOfDecade.d.ts

@@ -0,0 +1,34 @@
+import type { ContextOptions, DateArg } from "./types.js";
+/**
+ * The {@link startOfDecade} options.
+ */
+export interface StartOfDecadeOptions<DateType extends Date = Date>
+  extends ContextOptions<DateType> {}
+/**
+ * @name startOfDecade
+ * @category Decade Helpers
+ * @summary Return the start of a decade for the given date.
+ *
+ * @description
+ * Return the start of a decade for the given date.
+ *
+ * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).
+ * @typeParam ResultDate - The result `Date` type, it is the type returned from the context function if it is passed, or inferred from the arguments.
+ *
+ * @param date - The original date
+ * @param options - An object with options
+ *
+ * @returns The start of a decade
+ *
+ * @example
+ * // The start of a decade for 21 October 2015 00:00:00:
+ * const result = startOfDecade(new Date(2015, 9, 21, 00, 00, 00))
+ * //=> Jan 01 2010 00:00:00
+ */
+export declare function startOfDecade<
+  DateType extends Date,
+  ResultDate extends Date = DateType,
+>(
+  date: DateArg<DateType>,
+  options?: StartOfDecadeOptions<ResultDate> | undefined,
+): ResultDate;