feat: Initial clean release of CHM

packages/lib/uuid.ts

@@ -0,0 +1,47 @@
+import { v4 as uuidv4 } from 'uuid';
+import { customAlphabet } from 'nanoid/non-secure';
+import { nanoid as nanoidSecure, customAlphabet as customAlphabetSecure } from 'nanoid';
+
+// https://zelark.github.io/nano-id-cc/
+// https://security.stackexchange.com/a/41749/1873
+// > On the other hand, 128 bits (between 21 and 22 characters
+// > alphanumeric) is beyond the reach of brute-force attacks pretty much
+// > indefinitely
+const nanoid = customAlphabet('0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz', 22);
+
+
+export default {
+	create: function(): string {
+		return uuidv4().replace(/-/g, '');
+	},
+	createNano: function(): string {
+		return nanoid();
+	},
+};
+
+export const createSecureRandom = (size = 32) => {
+	return nanoidSecure(size);
+};
+
+type FuncUiidGen = (length?: number)=> string;
+
+const cachedUuidgen: Record<number, FuncUiidGen> = {};
+const createUuidgenCustomAlphabet = (length: number) => customAlphabet('0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz', length);
+
+const getCachedUuidgen = (length: number) => {
+	if (cachedUuidgen[length]) return cachedUuidgen[length];
+
+	cachedUuidgen[length] = createUuidgenCustomAlphabet(length);
+	return cachedUuidgen[length];
+};
+
+export const uuidgen = (length = 22) => {
+	const cachedUuidgen = getCachedUuidgen(length);
+	return cachedUuidgen();
+};
+
+export const createNanoForInboxEmail = (): string => {
+	return customAlphabet('0123456789abcdefghijklmnopqrstuvwxyz', 8)();
+};
+
+export { customAlphabetSecure };