Add functions for loading the data and generating the date string.

src/utils.ts

@@ -0,0 +1,41 @@
+//
+// utils.ts
+//
+// Written by: Tyler Akins (2020/01/06)
+//
+
+
+import { readFileSync, writeFileSync } from "fs"
+import { DATAFILE } from "./constants";
+
+
+
+export const GET_FORMATTED_DATE = () => {
+    let date = new Date();
+
+    let year = date.getFullYear();
+    let month = date.getMonth() + 1;
+    let day = date.getDate();
+
+    return `${year}`
+        +  `-${month < 10 ? `0${month}` : month}`
+        +  `-${day < 10 ? `0${day}` : day}`
+};
+
+
+
+export const LOAD_DATA = (): data => {
+    let buffer = readFileSync(DATAFILE);
+
+    // @ts-ignore
+    return JSON.parse(buffer);
+};
+
+
+
+export const WRITE_DATA = (data: data) => {
+    writeFileSync(
+        DATAFILE,
+        JSON.stringify(data)
+    );
+};