Copied all potty chart code without changes.

data/stickerSeeder.ts

@@ -0,0 +1,64 @@
+import {
+  format,
+  getDaysInMonth,
+  isBefore,
+  setDate,
+  startOfDay
+} from "date-fns";
+
+/**
+ * Generated a valid sticker value for use when generating a sticker obj.
+ * @returns {ValidStickerVal} a number that will represent a valid sticker value.
+ */
+const generateSticker = (): -2 | -1 | 0 | 1 | 2 => {
+  const sticker = Math.floor(Math.random() * (2 - -2 + 1)) + -2;
+
+  if (
+    sticker === -2 ||
+    sticker === -1 ||
+    sticker === 0 ||
+    sticker === 1 ||
+    sticker === 2
+  ) {
+    return sticker;
+  }
+};
+
+// TODO: Update so seeder takes in a month or date to then generate the stickers for it.
+/**
+ * This seeder is to simulate the date and sticker info from the database.
+ * Filling up an array for the current month with sticker from ths first to
+ * the day before the current date, leaving the rest of the month empty.
+ * @returns {StickerDays} an array with populated sticker objects that correspond to the current month's info.
+ */
+const stickersSeeder = (): StickerDays => {
+  const stickers = [] as Sticker[];
+
+  const now = startOfDay(new Date());
+  const daysOfThisMonth = getDaysInMonth(now);
+
+  for (let i = 1; i <= daysOfThisMonth; i++) {
+    const currDate = setDate(now, i);
+
+    const sticker = isBefore(currDate, now) ? generateSticker() : null;
+
+    const id =
+      format(currDate, "yyyyddLL") + `/${sticker === null ? 0 : sticker}`;
+
+    const newSticker: Sticker = {
+      id: id,
+      date: currDate.toJSON(),
+      sticker: sticker,
+      edited: false,
+      manual: false
+    };
+
+    stickers.push(newSticker);
+  }
+
+  if (stickers.length === daysOfThisMonth) {
+    return stickers;
+  }
+};
+
+export default stickersSeeder;