feat: add support to nanoid

uid.ts

@@ -2,6 +2,7 @@ import { getProcessor, version } from "./load-version" with { type: "macro" }
 import { ulid } from "ulid";
 import { ObjectId } from "bson";
 import { flag, flags, isNumberAt, Rule, Test, makeHelmMessage, describe } from "@jondotsoy/flags";
+import * as nanoid from "nanoid";
 
 const SpecDescribeSymbol = Symbol("SpecDescribeSymbol");
 type SpecDescribe = {
@@ -16,6 +17,7 @@ enum IDKind {
   uuid = "uuid",
   ulid = "ulid",
   objectid = "objectid",
+  nanoid = "nanoid",
 }
 
 enum HandlerKind {
@@ -28,9 +30,11 @@ let outputIDKind = IDKind.ulid;
 let handlerKind = HandlerKind.render_id;
 let endWithNewLine = true;
 let ulidSeedTime: number | undefined;
+let nanoidSize: number | undefined;
 
 type FlagsOptions = {
   ulidSeedTime: number;
+  nanoidSize: number;
 };
 
 const flagsRules: Rule<FlagsOptions>[] = [
@@ -41,6 +45,8 @@ const flagsRules: Rule<FlagsOptions>[] = [
     isNumberAt("ulidSeedTime"),
   ],
   [describe(flag("--objectid"), { description: 'make a objectid value' }), () => outputIDKind = IDKind.objectid],
+  [describe(flag("--nanoid"), { description: 'make a nanoid value' }), () => outputIDKind = IDKind.nanoid],
+  [describe(flag("--nanoid-size"), { description: 'nanoid size' }), isNumberAt("nanoidSize")],
   [describe(flag("--zero", "-z"), { description: 'ignore newline on output' }), () => endWithNewLine = false],
   [describe(flag("--version", "-v"), { description: 'display version' }), () => handlerKind = HandlerKind.version],
   [describe(flag("--help", "-h"), { description: 'display this help' }), () => handlerKind = HandlerKind.help],
@@ -56,6 +62,9 @@ const printCommands: Record<IDKind, () => Uint8Array | Promise<Uint8Array>> = {
   objectid() {
     return new TextEncoder().encode(new ObjectId().toHexString());
   },
+  nanoid() {
+    return new TextEncoder().encode(nanoid.nanoid(nanoidSize));
+  },
 };
 
 const handlers = {
@@ -80,6 +89,7 @@ const handlers = {
 const parsed = flags<FlagsOptions>(Bun.argv.slice(2), {}, flagsRules);
 
 ulidSeedTime = parsed.ulidSeedTime;
+nanoidSize = parsed.nanoidSize;
 
 const output = await handlers[handlerKind]();