chore: merge blocksuite source code (#9213)

blocksuite/affine/components/src/date-picker/utils.ts

@@ -0,0 +1,73 @@
+export type MaybeDate = Date | string | number | undefined;
+
+/**
+ * @deprecated should not use raw string to represent timestamp
+ * @param str
+ * @returns
+ */
+function _isTimestampString(str: string) {
+  return /^\d+$/.test(str);
+}
+
+/**
+ * Parse the given date to Date object
+ * @param date
+ * @returns
+ */
+export function toDate(date?: MaybeDate) {
+  // TODO: handle invalid date
+  if (date instanceof Date) return date;
+  if (typeof date === 'string' && _isTimestampString(date)) date = +date;
+  return date ? new Date(date) : new Date();
+}
+
+/**
+ * get the first day of the month of the given date
+ * @param maybeDate
+ */
+export function getFirstDayOfMonth(maybeDate: MaybeDate) {
+  const date = toDate(maybeDate);
+  return new Date(date.getFullYear(), date.getMonth(), 1);
+}
+
+/**
+ * get the last day of the month of the given date
+ * @param maybeDate
+ * @example
+ * getLastDayOfMonth('2021-01-01') // 2021-01-31
+ */
+export function getLastDayOfMonth(maybeDate: MaybeDate) {
+  const date = toDate(maybeDate);
+  return new Date(date.getFullYear(), date.getMonth() + 1, 0);
+}
+
+export function getMonthMatrix(maybeDate: MaybeDate) {
+  const date = toDate(maybeDate);
+  const firstDayOfMonth = getFirstDayOfMonth(date);
+  const lastDayOfMonth = getLastDayOfMonth(date);
+  const firstDayOfFirstWeek = new Date(firstDayOfMonth);
+  firstDayOfFirstWeek.setDate(
+    firstDayOfMonth.getDate() - firstDayOfMonth.getDay()
+  );
+  const lastDayOfLastWeek = new Date(lastDayOfMonth);
+  lastDayOfLastWeek.setDate(
+    lastDayOfMonth.getDate() + (6 - lastDayOfMonth.getDay())
+  );
+  const matrix = [];
+  let week = [];
+  const day = new Date(firstDayOfFirstWeek);
+  while (day <= lastDayOfLastWeek) {
+    week.push(new Date(day));
+    if (week.length === 7) {
+      matrix.push(week);
+      week = [];
+    }
+    day.setDate(day.getDate() + 1);
+  }
+  return matrix;
+}
+
+export function clamp(num1: number, num2: number, value: number) {
+  const [min, max] = [num1, num2].sort();
+  return Math.min(Math.max(value, min), max);
+}