📝 Commit Details:

backend/node_modules/date-fns/isFirstDayOfMonth.d.cts

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+import type { ContextOptions, DateArg } from "./types.js";
+/**
+ * The {@link isFirstDayOfMonth} function options.
+ */
+export interface IsFirstDayOfMonthOptions extends ContextOptions<Date> {}
+/**
+ * @name isFirstDayOfMonth
+ * @category Month Helpers
+ * @summary Is the given date the first day of a month?
+ *
+ * @description
+ * Is the given date the first day of a month?
+ *
+ * @param date - The date to check
+ * @param options - An object with options
+ *
+ * @returns The date is the first day of a month
+ *
+ * @example
+ * // Is 1 September 2014 the first day of a month?
+ * const result = isFirstDayOfMonth(new Date(2014, 8, 1))
+ * //=> true
+ */
+export declare function isFirstDayOfMonth(
+  date: DateArg<Date> & {},
+  options?: IsFirstDayOfMonthOptions | undefined,
+): boolean;