Added nanoid() validation action

library/CHANGELOG.md

@@ -4,6 +4,7 @@ All notable changes to the library will be documented in this file.
 
 ## vX.X.X (Month DD, YYYY)
 
+- Add `nanoid` action to validate Nano IDs (pull request #789)
 - Add `undefinedable` and `undefinedableAsync` schema (issue #385)
 
 ## v0.39.0 (August 24, 2024)

library/src/actions/index.ts

@@ -48,6 +48,7 @@ export * from './minLength/index.ts';
 export * from './minSize/index.ts';
 export * from './minValue/index.ts';
 export * from './multipleOf/index.ts';
+export * from './nanoid/index.ts';
 export * from './nonEmpty/index.ts';
 export * from './normalize/index.ts';
 export * from './notBytes/index.ts';

library/src/actions/nanoid/index.ts

@@ -0,0 +1 @@
+export * from './nanoid.ts';

library/src/actions/nanoid/nanoid.test-d.ts

@@ -0,0 +1,43 @@
+import { describe, expectTypeOf, test } from 'vitest';
+import type { InferInput, InferIssue, InferOutput } from '../../types/index.ts';
+import { nanoid, type NanoIDAction, type NanoIDIssue } from './nanoid.ts';
+
+describe('nanoid', () => {
+  describe('should return action object', () => {
+    test('with undefined message', () => {
+      type Action = NanoIDAction<string, undefined>;
+      expectTypeOf(nanoid<string>()).toEqualTypeOf<Action>();
+      expectTypeOf(
+        nanoid<string, undefined>(undefined)
+      ).toEqualTypeOf<Action>();
+    });
+
+    test('with string message', () => {
+      expectTypeOf(nanoid<string, 'message'>('message')).toEqualTypeOf<
+        NanoIDAction<string, 'message'>
+      >();
+    });
+
+    test('with function message', () => {
+      expectTypeOf(nanoid<string, () => string>(() => 'message')).toEqualTypeOf<
+        NanoIDAction<string, () => string>
+      >();
+    });
+  });
+
+  describe('should infer correct types', () => {
+    type Action = NanoIDAction<string, undefined>;
+
+    test('of input', () => {
+      expectTypeOf<InferInput<Action>>().toEqualTypeOf<string>();
+    });
+
+    test('of output', () => {
+      expectTypeOf<InferOutput<Action>>().toEqualTypeOf<string>();
+    });
+
+    test('of issue', () => {
+      expectTypeOf<InferIssue<Action>>().toEqualTypeOf<NanoIDIssue<string>>();
+    });
+  });
+});

library/src/actions/nanoid/nanoid.test.ts

@@ -0,0 +1,111 @@
+import { describe, expect, test } from 'vitest';
+import { NANO_ID_REGEX } from '../../regex.ts';
+import { expectActionIssue, expectNoActionIssue } from '../../vitest/index.ts';
+import { nanoid, type NanoIDAction, type NanoIDIssue } from './nanoid.ts';
+
+describe('nanoid', () => {
+  describe('should return action object', () => {
+    const baseAction: Omit<NanoIDAction<string, never>, 'message'> = {
+      kind: 'validation',
+      type: 'nanoid',
+      reference: nanoid,
+      expects: null,
+      requirement: NANO_ID_REGEX,
+      async: false,
+      _run: expect.any(Function),
+    };
+
+    test('with undefined message', () => {
+      const action: NanoIDAction<string, undefined> = {
+        ...baseAction,
+        message: undefined,
+      };
+      expect(nanoid()).toStrictEqual(action);
+      expect(nanoid(undefined)).toStrictEqual(action);
+    });
+
+    test('with string message', () => {
+      expect(nanoid('message')).toStrictEqual({
+        ...baseAction,
+        message: 'message',
+      } satisfies NanoIDAction<string, string>);
+    });
+
+    test('with function message', () => {
+      const message = () => 'message';
+      expect(nanoid(message)).toStrictEqual({
+        ...baseAction,
+        message,
+      } satisfies NanoIDAction<string, typeof message>);
+    });
+  });
+
+  describe('should return dataset without issues', () => {
+    const action = nanoid();
+
+    test('for untyped inputs', () => {
+      expect(action._run({ typed: false, value: null }, {})).toStrictEqual({
+        typed: false,
+        value: null,
+      });
+    });
+
+    test('for normal Nano IDs', () => {
+      expectNoActionIssue(action, [
+        'NOi6NWfhDRpgzBYFRR-uE',
+        'D7j9AWMA6anLPDE2_2uHz',
+        'g_Se_MXrTmRJpmcp8cN5m',
+        'Oc0XNYtCgyrX-x2T33z3E',
+        'gGCr-6yBmZkOTJQ1oLAFr',
+      ]);
+    });
+
+    test('for single char', () => {
+      expectNoActionIssue(action, ['a', 'z', 'A', 'Z', '0', '9', '_', '-']);
+    });
+
+    test('for two chars', () => {
+      expectNoActionIssue(action, ['aa', 'zz', 'AZ', '09', '_-', '9A']);
+    });
+
+    test('for long IDs', () => {
+      expectNoActionIssue(action, [
+        '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_-',
+      ]);
+    });
+  });
+
+  describe('should return dataset with issues', () => {
+    const action = nanoid('message');
+    const baseIssue: Omit<NanoIDIssue<string>, 'input' | 'received'> = {
+      kind: 'validation',
+      type: 'nanoid',
+      expected: null,
+      message: 'message',
+      requirement: NANO_ID_REGEX,
+    };
+
+    test('for empty strings', () => {
+      expectActionIssue(action, baseIssue, ['', ' ', '\n']);
+    });
+
+    test('for blank spaces', () => {
+      expectActionIssue(action, baseIssue, [
+        ' vM7SGqVFmPS5tw7fII-G',
+        'BImGM 7USGakXaVhydHgO',
+        'LBjowKnkbk95kK3IoUV7 ',
+      ]);
+    });
+
+    test('for special chars', () => {
+      expectActionIssue(action, baseIssue, [
+        '@1o5BK76uGc-mbqeprAvX',
+        '#Lcb2qbTsjS98y9Vf-G15',
+        '$3WZ4tXxsuiDBezXIJKlP',
+        '%gSjBHLFDO67bE-nbgBRi',
+        '&2zYmqr0APdImhdxC69t4',
+        '–gGCr6yBmZkOTJQ1oLAFr',
+      ]);
+    });
+  });
+});

library/src/actions/nanoid/nanoid.ts

@@ -0,0 +1,105 @@
+import { NANO_ID_REGEX } from '../../regex.ts';
+import type {
+  BaseIssue,
+  BaseValidation,
+  Dataset,
+  ErrorMessage,
+} from '../../types/index.ts';
+import { _addIssue } from '../../utils/index.ts';
+
+/**
+ * Nano ID issue type.
+ */
+export interface NanoIDIssue<TInput extends string> extends BaseIssue<TInput> {
+  /**
+   * The issue kind.
+   */
+  readonly kind: 'validation';
+  /**
+   * The issue type.
+   */
+  readonly type: 'nanoid';
+  /**
+   * The expected property.
+   */
+  readonly expected: null;
+  /**
+   * The received property.
+   */
+  readonly received: string;
+  /**
+   * The Nano ID regex.
+   */
+  readonly requirement: RegExp;
+}
+
+/**
+ * Nano ID action type.
+ */
+export interface NanoIDAction<
+  TInput extends string,
+  TMessage extends ErrorMessage<NanoIDIssue<TInput>> | undefined,
+> extends BaseValidation<TInput, TInput, NanoIDIssue<TInput>> {
+  /**
+   * The action type.
+   */
+  readonly type: 'nanoid';
+  /**
+   * The action reference.
+   */
+  readonly reference: typeof nanoid;
+  /**
+   * The expected property.
+   */
+  readonly expects: null;
+  /**
+   * The Nano ID regex.
+   */
+  readonly requirement: RegExp;
+  /**
+   * The error message.
+   */
+  readonly message: TMessage;
+}
+
+/**
+ * Creates a [Nano ID](https://github.com/ai/nanoid) validation action.
+ *
+ * @returns A Nano ID action.
+ */
+export function nanoid<TInput extends string>(): NanoIDAction<
+  TInput,
+  undefined
+>;
+
+/**
+ * Creates a [Nano ID](https://github.com/ai/nanoid) validation action.
+ *
+ * @param message The error message.
+ *
+ * @returns A Nano ID action.
+ */
+export function nanoid<
+  TInput extends string,
+  const TMessage extends ErrorMessage<NanoIDIssue<TInput>> | undefined,
+>(message: TMessage): NanoIDAction<TInput, TMessage>;
+
+export function nanoid(
+  message?: ErrorMessage<NanoIDIssue<string>>
+): NanoIDAction<string, ErrorMessage<NanoIDIssue<string>> | undefined> {
+  return {
+    kind: 'validation',
+    type: 'nanoid',
+    reference: nanoid,
+    async: false,
+    expects: null,
+    requirement: NANO_ID_REGEX,
+    message,
+    _run(dataset, config) {
+      if (dataset.typed && !this.requirement.test(dataset.value)) {
+        _addIssue(this, 'Nano ID', dataset, config);
+      }
+      return dataset as Dataset<string, NanoIDIssue<string>>;
+    },
+  };
+}

library/src/regex.ts

@@ -122,6 +122,11 @@ export const MAC64_REGEX: RegExp =
 export const MAC_REGEX: RegExp =
   /^(?:[\da-f]{2}:){5}[\da-f]{2}$|^(?:[\da-f]{2}-){5}[\da-f]{2}$|^(?:[\da-f]{4}\.){2}[\da-f]{4}$|^(?:[\da-f]{2}:){7}[\da-f]{2}$|^(?:[\da-f]{2}-){7}[\da-f]{2}$|^(?:[\da-f]{4}\.){3}[\da-f]{4}$|^(?:[\da-f]{4}:){3}[\da-f]{4}$/iu;
 
+/**
+ * [Nano ID](https://github.com/ai/nanoid) regex.
+ */
+export const NANO_ID_REGEX: RegExp = /^[\w-]+$/u;
+
 /**
  * [Octal](https://en.wikipedia.org/wiki/Octal) regex.
  */

website/src/routes/api/(actions)/cuid2/index.mdx

@@ -6,6 +6,7 @@ contributors:
   - fabian-hiller
 ---
 
+import { Link } from '@builder.io/qwik-city';
 import { ApiList, Property } from '~/components';
 import { properties } from './properties';
 
@@ -30,6 +31,8 @@ const Action = v.cuid2<TInput, TMessage>(message);
 
 With `cuid2` you can validate the formatting of a string. If the input is not an Cuid2, you can use `message` to customize the error message.
 
+> Since Cuid2s are not limited to a fixed length, it is recommended to combine `cuid2` with <Link href="../length/">`length`</Link> to ensure the correct length.
+
 ## Returns
 
 - `Action` <Property {...properties.Action} />
@@ -43,7 +46,11 @@ The following examples show how `cuid2` can be used.
 Schema to validate an Cuid2.
 
 ```ts
-const Cuid2Schema = v.pip(v.string(), v.cuid2('The Cuid2 is badly formatted.'));
+const Cuid2Schema = v.pipe(
+  v.string(),
+  v.cuid2('The Cuid2 is badly formatted.'),
+  v.length(10, 'The Cuid2 must be 10 characters long.')
+);
 ```
 
 ## Related

website/src/routes/api/(actions)/isoTime/index.mdx

@@ -45,7 +45,7 @@ The following examples show how `isoTime` can be used.
 Schema to validate an ISO time.
 
 ```ts
-const IsoTimeSchema = v.pip(
+const IsoTimeSchema = v.pipe(
   v.string(),
   v.isoTime('The time is badly formatted.')
 );