Copied all potty chart code without changes.

lib/versionStringToNumber.ts

@@ -0,0 +1,22 @@
+/**
+ * Function to convert the version string to a number tha represents the most recent major release.
+ * @param {string }version The version string.
+ * @returns {number} a number that represents the most recent major release.
+ */
+const versionStringToNumber = (version: string): number => {
+  const versionStrArr: string[] = version.split(".");
+
+  const versionArr: number[] = versionStrArr.map((str) => parseInt(str));
+
+  if (versionArr[0] === 0 && versionArr[1] === 0 && versionArr[2] > 1) {
+    versionArr[1] = 1;
+  }
+
+  const versionStr = `${versionArr[0]}` + "." + `${versionArr[1]}`;
+
+  const versionNum: number = parseFloat(versionStr);
+
+  return versionNum;
+};
+
+export default versionStringToNumber;