Update src/client/types/ext.ts

src/client/types/ext.ts

@@ -0,0 +1,94 @@
+// DATE EXTENTION
+declare global {
+  interface Date {
+    toJSONLocal: () => string;
+    toLocal: () => string;
+  }
+}
+
+Date.prototype.toJSONLocal = function () {
+  function addZ(n: number): string {
+    return n <= 9 ? `0${n}` : `${n}`;
+  }
+  return [
+    this.getFullYear(),
+    addZ(this.getMonth() + 1),
+    addZ(this.getDate()),
+  ].join("-");
+}
+
+Date.prototype.toLocal = function () {
+  return [["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"][this.getDay()],
+  this.getDate(),
+  [
+    "Jan",
+    "Feb",
+    "Mar",
+    "Apr",
+    "May",
+    "Jun",
+    "Jul",
+    "Aug",
+    "Sep",
+    "Oct",
+    "Nov",
+    "Dec",
+  ][this.getMonth()]].join(" ")
+    ;
+}
+
+// ARRAY EXTENTION
+declare global {
+  interface Array<T> {
+    foldl<B>(f: (x: T, acc: B) => B, acc: B): B;
+    foldr<B>(f: (x: T, acc: B) => B, acc: B): B;
+  }
+}
+Array.prototype.foldr = function <T, B>(f: (x: T, acc: B) => B, acc: B): B {
+  return this.reverse().foldl(f, acc);
+};
+
+Array.prototype.foldl = function <T, B>(f: (x: T, acc: B) => B, acc: B): B {
+  for (let i = 0; i < this.length; i++) acc = f(this[i], acc);
+  return acc;
+};
+
+// STRING EXTENTION
+declare global {
+  interface String {
+    toEncoded: () => String;
+    toDecoded: () => String;
+  }
+}
+
+String.prototype.toEncoded = function () {
+  return window.btoa(encodeURIComponent(Array.from(this as string, (c) => c.charCodeAt(0)).foldl(
+    (e, v) => v + String.fromCharCode(e),
+    "",
+  )))
+};
+
+String.prototype.toDecoded = function () {
+  return Array.from(decodeURIComponent(window.atob(this as string)), (c) => c.charCodeAt(0)).foldl(
+    (e, v) => v + String.fromCharCode(e),
+    "",
+  );
+};
+
+declare global {
+  interface StringConstructor {
+    gen_id: (l: Number) => String;
+  }
+}
+
+String.gen_id = function (length) {
+  const characters =
+    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
+  return Array.from(Array(length))
+    .map((_v) =>
+      characters.charAt(Math.floor(Math.random() * characters.length)),
+    )
+    .join("");
+};
+
+export { };