@deessejs/type-testing - npm Package Compare versions

Comparing version 0.1.4 to 0.1.5

dist/api/assert.d.ts

+/**
+ * Assert API - Alternative API that throws at compile time on failure.
+ */
+import type { Equal, NotEqual } from '../types/equality.js';
+import type { IsAny, IsNever, IsUnknown, IsVoid, IsUndefined, IsNull, IsNullable, IsOptional } from '../types/special.js';
+import type { IsUnion, IsTuple, IsArray } from '../types/union.js';
+import type { IsInhabited, IsUninhabited } from '../types/inhabitation.js';
+import type { HasProperty } from '../types/property.js';
+import type { Check } from './check.js';
+/**
+ * Assert type - alternative API that throws at compile time on failure.
+ *
+ * @example
+ * ```typescript
+ * assert<string>().equals<string>()
+ * ```
+ */
+export interface Assert<T> {
+    equals<U>(): Equal<T, U> extends true ? AssertPass : AssertFail<T, U>;
+    notEquals<U>(): NotEqual<T, U> extends true ? AssertPass : AssertFail<T, U>;
+    extends<U>(): T extends U ? AssertPass : AssertFail<T, U>;
+    hasProperty<K extends keyof T>(): HasProperty<T, K> extends true ? AssertPass : AssertFail<T, {
+        missingProperty: K;
+    }>;
+    property<K extends keyof T>(): Check<T[K]>;
+    isAny(): IsAny<T> extends true ? AssertPass : AssertFail<T, 'any'>;
+    isNever(): IsNever<T> extends true ? AssertPass : AssertFail<T, 'never'>;
+    isUnknown(): IsUnknown<T> extends true ? AssertPass : AssertFail<T, 'unknown'>;
+    isVoid(): IsVoid<T> extends true ? AssertPass : AssertFail<T, 'void'>;
+    isUndefined(): IsUndefined<T> extends true ? AssertPass : AssertFail<T, 'undefined'>;
+    isNull(): IsNull<T> extends true ? AssertPass : AssertFail<T, 'null'>;
+    isNullable(): IsNullable<T> extends true ? AssertPass : AssertFail<T, 'not nullable'>;
+    isOptional(): IsOptional<T> extends true ? AssertPass : AssertFail<T, 'not optional'>;
+    isUnion(): IsUnion<T> extends true ? AssertPass : AssertFail<T, 'not a union'>;
+    isTuple(): IsTuple<T> extends true ? AssertPass : AssertFail<T, 'not a tuple'>;
+    isArray(): IsArray<T> extends true ? AssertPass : AssertFail<T, 'not an array'>;
+    isInhabited(): IsInhabited<T> extends true ? AssertPass : AssertFail<T, 'uninhabited'>;
+    isUninhabited(): IsUninhabited<T> extends true ? AssertPass : AssertFail<T, 'inhabited'>;
+}
+export type AssertPass = true;
+export type AssertFail<_T, _Expected> = never;
+export declare function assert<T>(): Assert<T>;
+//# sourceMappingURL=assert.d.ts.map

dist/api/assert.d.ts.map

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dist/api/assert.js

+/**
+ * Assert API - Alternative API that throws at compile time on failure.
+ */
+export function assert() {
+    return undefined;
+}
+//# sourceMappingURL=assert.js.map

dist/api/assert.js.map

+{"version":3,"file":"assert.js","sourceRoot":"","sources":["../../src/api/assert.ts"],"names":[],"mappings":"AAAA;;GAEG;AA0CH,MAAM,UAAU,MAAM;IACpB,OAAO,SAAgB,CAAA;AACzB,CAAC"}

dist/api/check.d.ts

+/**
+ * Check API - Chainable type checker.
+ */
+import type { Equal, NotEqual } from '../types/equality.js';
+import type { IsAny, IsNever, IsUnknown, IsVoid, IsUndefined, IsNull, IsNullable, IsOptional } from '../types/special.js';
+import type { IsUnion, IsTuple, IsArray } from '../types/union.js';
+import type { IsInhabited, IsUninhabited } from '../types/inhabitation.js';
+import type { HasProperty } from '../types/property.js';
+import type { Parameters, ReturnType, Parameter } from '../types/function.js';
+import type { Length } from '../types/length.js';
+/**
+ * Type representing a passing check.
+ */
+export type CheckPass = true;
+/**
+ * Type representing a failing check.
+ */
+export type CheckFail<_T, _Expected> = never;
+/**
+ * Helper to create a Check type.
+ */
+export type CheckBuilder<T> = Check<T>;
+/**
+ * Chainable type checker for testing TypeScript types.
+ *
+ * @example
+ * ```typescript
+ * check<string>().equals<string>()
+ * check<{ a: string }>().hasProperty('a')
+ * ```
+ */
+export interface Check<T> {
+    /**
+     * Tests if this type equals another type.
+     */
+    equals<U>(): Equal<T, U> extends true ? CheckPass : CheckFail<T, U>;
+    /**
+     * Tests if this type does not equal another type.
+     */
+    notEquals<U>(): NotEqual<T, U> extends true ? CheckPass : CheckFail<T, U>;
+    /**
+     * Tests if this type extends another type (is assignable to).
+     */
+    extends<U>(): T extends U ? CheckPass : CheckFail<T, U>;
+    /**
+     * Tests if this type is assignable from another type.
+     */
+    assignableTo<U>(): U extends T ? CheckPass : CheckFail<T, U>;
+    /**
+     * Tests if this type has a specific property.
+     */
+    hasProperty<K extends keyof T>(): HasProperty<T, K> extends true ? CheckPass : CheckFail<T, {
+        missingProperty: K;
+    }>;
+    /**
+     * Gets the type of a specific property for further testing.
+     */
+    property<K extends keyof T>(): Check<T[K]>;
+    /**
+     * Tests if this type is `any`.
+     */
+    isAny(): IsAny<T> extends true ? CheckPass : CheckFail<T, 'any'>;
+    /**
+     * Tests if this type is `never`.
+     */
+    isNever(): IsNever<T> extends true ? CheckPass : CheckFail<T, 'never'>;
+    /**
+     * Tests if this type is `unknown`.
+     */
+    isUnknown(): IsUnknown<T> extends true ? CheckPass : CheckFail<T, 'unknown'>;
+    /**
+     * Tests if this type is `void`.
+     */
+    isVoid(): IsVoid<T> extends true ? CheckPass : CheckFail<T, 'void'>;
+    /**
+     * Tests if this type is `undefined`.
+     */
+    isUndefined(): IsUndefined<T> extends true ? CheckPass : CheckFail<T, 'undefined'>;
+    /**
+     * Tests if this type is `null`.
+     */
+    isNull(): IsNull<T> extends true ? CheckPass : CheckFail<T, 'null'>;
+    /**
+     * Tests if this type is nullable (null or undefined).
+     */
+    isNullable(): IsNullable<T> extends true ? CheckPass : CheckFail<T, 'not nullable'>;
+    /**
+     * Tests if this type is optional (may be undefined).
+     */
+    isOptional(): IsOptional<T> extends true ? CheckPass : CheckFail<T, 'not optional'>;
+    /**
+     * Tests if this type is a union.
+     */
+    isUnion(): IsUnion<T> extends true ? CheckPass : CheckFail<T, 'not a union'>;
+    /**
+     * Tests if this type is a tuple.
+     */
+    isTuple(): IsTuple<T> extends true ? CheckPass : CheckFail<T, 'not a tuple'>;
+    /**
+     * Tests if this type is an array.
+     */
+    isArray(): IsArray<T> extends true ? CheckPass : CheckFail<T, 'not an array'>;
+    /**
+     * Tests if this type is inhabited (has values).
+     */
+    isInhabited(): IsInhabited<T> extends true ? CheckPass : CheckFail<T, 'uninhabited'>;
+    /**
+     * Tests if this type is uninhabited (has no values).
+     */
+    isUninhabited(): IsUninhabited<T> extends true ? CheckPass : CheckFail<T, 'inhabited'>;
+    /**
+     * Gets the parameters of this function type.
+     */
+    parameters(): T extends (...args: any[]) => any ? Check<Parameters<T>> : Check<never>;
+    /**
+     * Gets the return type of this function type.
+     */
+    returnType(): T extends (...args: any[]) => any ? Check<ReturnType<T>> : Check<never>;
+    /**
+     * Gets the length of this array/tuple type.
+     */
+    length(): T extends readonly any[] ? Check<Length<T>> : Check<never>;
+    /**
+     * Gets the parameter at a specific index.
+     */
+    parameter<N extends number>(): T extends (...args: any[]) => any ? Check<Parameter<T, N>> : Check<never>;
+}
+/**
+ * Creates a check for a specific type.
+ *
+ * @example
+ * ```typescript
+ * check<string>().equals<string>()
+ * check<{ a: string }>().hasProperty('a')
+ * ```
+ */
+export declare function check<T>(): CheckBuilder<T>;
+//# sourceMappingURL=check.d.ts.map

dist/api/check.d.ts.map

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dist/api/check.js

+/**
+ * Check API - Chainable type checker.
+ */
+/**
+ * Creates a check for a specific type.
+ *
+ * @example
+ * ```typescript
+ * check<string>().equals<string>()
+ * check<{ a: string }>().hasProperty('a')
+ * ```
+ */
+export function check() {
+    // This function exists only at runtime - the types are all compile-time
+    return undefined;
+}
+//# sourceMappingURL=check.js.map

dist/api/check.js.map

+{"version":3,"file":"check.js","sourceRoot":"","sources":["../../src/api/check.ts"],"names":[],"mappings":"AAAA;;GAEG;AAuJH;;;;;;;;GAQG;AACH,MAAM,UAAU,KAAK;IACnB,wEAAwE;IACxE,OAAO,SAAgB,CAAA;AACzB,CAAC"}

dist/api/expect.d.ts

+/**
+ * Expect API - Familiar API similar to testing libraries.
+ */
+import type { Equal, NotEqual } from '../types/equality.js';
+/**
+ * Expect type - familiar API similar to testing libraries.
+ *
+ * @example
+ * ```typescript
+ * expect<string, string>().toBeEqual()
+ * expect<string>().toBeAny()
+ * ```
+ */
+export interface Expect<T, U = unknown> {
+    toBeEqual(): Equal<T, U> extends true ? ExpectPass : ExpectFail<T, U>;
+    toBeNotEqual(): NotEqual<T, U> extends true ? ExpectPass : ExpectFail<T, U>;
+    toExtend(): T extends U ? ExpectPass : ExpectFail<T, U>;
+    toBeAssignableTo(): U extends T ? ExpectPass : ExpectFail<T, U>;
+}
+export type ExpectPass = true;
+export type ExpectFail<_T, _U> = never;
+/**
+ * Creates an expectation for a type.
+ */
+export declare function expect<T, U = unknown>(): Expect<T, U>;
+/**
+ * ExpectFalse - for checking types resolve to false.
+ *
+ * @example
+ * ```typescript
+ * expectFalse<IsNever<string>>()
+ * ```
+ */
+export declare function expectFalse<_T extends false>(): void;
+//# sourceMappingURL=expect.d.ts.map

dist/api/expect.d.ts.map

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dist/api/expect.js

+/**
+ * Expect API - Familiar API similar to testing libraries.
+ */
+/**
+ * Creates an expectation for a type.
+ */
+export function expect() {
+    return undefined;
+}
+/**
+ * ExpectFalse - for checking types resolve to false.
+ *
+ * @example
+ * ```typescript
+ * expectFalse<IsNever<string>>()
+ * ```
+ */
+export function expectFalse() {
+    // Compile-time only
+}
+//# sourceMappingURL=expect.js.map

dist/api/expect.js.map

+{"version":3,"file":"expect.js","sourceRoot":"","sources":["../../src/api/expect.ts"],"names":[],"mappings":"AAAA;;GAEG;AAwBH;;GAEG;AACH,MAAM,UAAU,MAAM;IACpB,OAAO,SAAgB,CAAA;AACzB,CAAC;AAED;;;;;;;GAOG;AACH,MAAM,UAAU,WAAW;IACzB,oBAAoB;AACtB,CAAC"}

dist/api/index.d.ts

+/**
+ * API exports.
+ */
+export * from './check.js';
+export * from './assert.js';
+export * from './expect.js';
+//# sourceMappingURL=index.d.ts.map

dist/api/index.d.ts.map

+{"version":3,"file":"index.d.ts","sourceRoot":"","sources":["../../src/api/index.ts"],"names":[],"mappings":"AAAA;;GAEG;AAEH,cAAc,YAAY,CAAA;AAC1B,cAAc,aAAa,CAAA;AAC3B,cAAc,aAAa,CAAA"}

dist/api/index.js

+/**
+ * API exports.
+ */
+export * from './check.js';
+export * from './assert.js';
+export * from './expect.js';
+//# sourceMappingURL=index.js.map

dist/api/index.js.map

+{"version":3,"file":"index.js","sourceRoot":"","sources":["../../src/api/index.ts"],"names":[],"mappings":"AAAA;;GAEG;AAEH,cAAc,YAAY,CAAA;AAC1B,cAAc,aAAa,CAAA;AAC3B,cAAc,aAAa,CAAA"}

dist/index.d.ts

+/**
+ * Type-testing: A micro library for testing your TypeScript types.
+ *
+ * @packageDocumentation
+ */
+export * from './types/index.js';
+export * from './api/index.js';
+export * from './utils.js';
+//# sourceMappingURL=index.d.ts.map

dist/index.d.ts.map

+{"version":3,"file":"index.d.ts","sourceRoot":"","sources":["../src/index.ts"],"names":[],"mappings":"AAAA;;;;GAIG;AAGH,cAAc,kBAAkB,CAAA;AAGhC,cAAc,gBAAgB,CAAA;AAG9B,cAAc,YAAY,CAAA"}

dist/index.js

+/**
+ * Type-testing: A micro library for testing your TypeScript types.
+ *
+ * @packageDocumentation
+ */
+// Re-export all type utilities
+export * from './types/index.js';
+// Re-export API
+export * from './api/index.js';
+// Re-export utilities
+export * from './utils.js';
+//# sourceMappingURL=index.js.map

dist/index.js.map

+{"version":3,"file":"index.js","sourceRoot":"","sources":["../src/index.ts"],"names":[],"mappings":"AAAA;;;;GAIG;AAEH,+BAA+B;AAC/B,cAAc,kBAAkB,CAAA;AAEhC,gBAAgB;AAChB,cAAc,gBAAgB,CAAA;AAE9B,sBAAsB;AACtB,cAAc,YAAY,CAAA"}

dist/types/equality.d.ts

+/**
+ * Type equality utilities.
+ */
+/**
+ * Checks if two types are strictly equal.
+ * Uses a technique that compares the structure while handling
+ * special types like any, never, and unknown.
+ *
+ * @example
+ * ```typescript
+ * check<string>().equals<string>() // passes
+ * check<string>().equals<number>() // fails at compile time
+ * ```
+ */
+export type Equal<T, U> = (<G>() => G extends T ? 1 : 2) extends (<G>() => G extends U ? 1 : 2) ? true : false;
+/**
+ * Checks if two types are not equal.
+ *
+ * @example
+ * ```typescript
+ * check<string>().notEquals<number>() // passes
+ * ```
+ */
+export type NotEqual<T, U> = Equal<T, U> extends true ? false : true;
+/**
+ * Simple equality check that works in more contexts.
+ * Useful for simple type comparisons.
+ */
+export type SimpleEqual<T, U> = [T, U] extends [U, T] ? true : false;
+//# sourceMappingURL=equality.d.ts.map

dist/types/equality.d.ts.map

+{"version":3,"file":"equality.d.ts","sourceRoot":"","sources":["../../src/types/equality.ts"],"names":[],"mappings":"AAAA;;GAEG;AAEH;;;;;;;;;;GAUG;AACH,MAAM,MAAM,KAAK,CAAC,CAAC,EAAE,CAAC,IACpB,CAAC,CAAC,CAAC,OAAO,CAAC,SAAS,CAAC,GAAG,CAAC,GAAG,CAAC,CAAC,SAAS,CAAC,CAAC,CAAC,OAAO,CAAC,SAAS,CAAC,GAAG,CAAC,GAAG,CAAC,CAAC,GACjE,IAAI,GACJ,KAAK,CAAA;AAEX;;;;;;;GAOG;AACH,MAAM,MAAM,QAAQ,CAAC,CAAC,EAAE,CAAC,IAAI,KAAK,CAAC,CAAC,EAAE,CAAC,CAAC,SAAS,IAAI,GAAG,KAAK,GAAG,IAAI,CAAA;AAEpE;;;GAGG;AACH,MAAM,MAAM,WAAW,CAAC,CAAC,EAAE,CAAC,IAAI,CAAC,CAAC,EAAE,CAAC,CAAC,SAAS,CAAC,CAAC,EAAE,CAAC,CAAC,GAAG,IAAI,GAAG,KAAK,CAAA"}

dist/types/equality.js

+/**
+ * Type equality utilities.
+ */
+export {};
+//# sourceMappingURL=equality.js.map

dist/types/equality.js.map

+{"version":3,"file":"equality.js","sourceRoot":"","sources":["../../src/types/equality.ts"],"names":[],"mappings":"AAAA;;GAEG"}

dist/types/function.d.ts

+/**
+ * Function type utilities.
+ */
+/**
+ * Gets the parameters of a function type as a tuple.
+ */
+export type Parameters<T extends (...args: any[]) => any> = T extends (...args: infer P) => any ? P : never;
+/**
+ * Gets the return type of a function type.
+ */
+export type ReturnType<T extends (...args: any[]) => any> = T extends (...args: any[]) => infer R ? R : never;
+/**
+ * Gets the parameter type at a specific index.
+ */
+export type Parameter<T extends (...args: any[]) => any, N extends number> = Parameters<T>[N];
+//# sourceMappingURL=function.d.ts.map

dist/types/function.d.ts.map

+{"version":3,"file":"function.d.ts","sourceRoot":"","sources":["../../src/types/function.ts"],"names":[],"mappings":"AAAA;;GAEG;AAEH;;GAEG;AACH,MAAM,MAAM,UAAU,CAAC,CAAC,SAAS,CAAC,GAAG,IAAI,EAAE,GAAG,EAAE,KAAK,GAAG,IAAI,CAAC,SAAS,CAAC,GAAG,IAAI,EAAE,MAAM,CAAC,KAAK,GAAG,GAAG,CAAC,GAAG,KAAK,CAAA;AAE3G;;GAEG;AACH,MAAM,MAAM,UAAU,CAAC,CAAC,SAAS,CAAC,GAAG,IAAI,EAAE,GAAG,EAAE,KAAK,GAAG,IAAI,CAAC,SAAS,CAAC,GAAG,IAAI,EAAE,GAAG,EAAE,KAAK,MAAM,CAAC,GAAG,CAAC,GAAG,KAAK,CAAA;AAE7G;;GAEG;AACH,MAAM,MAAM,SAAS,CAAC,CAAC,SAAS,CAAC,GAAG,IAAI,EAAE,GAAG,EAAE,KAAK,GAAG,EAAE,CAAC,SAAS,MAAM,IAAI,UAAU,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAA"}

dist/types/function.js

+/**
+ * Function type utilities.
+ */
+export {};
+//# sourceMappingURL=function.js.map

dist/types/function.js.map

+{"version":3,"file":"function.js","sourceRoot":"","sources":["../../src/types/function.ts"],"names":[],"mappings":"AAAA;;GAEG"}

dist/types/index.d.ts

+/**
+ * Type testing utilities.
+ */
+export * from './equality.js';
+export * from './special.js';
+export * from './union.js';
+export * from './inhabitation.js';
+export * from './property.js';
+export * from './function.js';
+export * from './length.js';
+//# sourceMappingURL=index.d.ts.map

dist/types/index.d.ts.map

+{"version":3,"file":"index.d.ts","sourceRoot":"","sources":["../../src/types/index.ts"],"names":[],"mappings":"AAAA;;GAEG;AAGH,cAAc,eAAe,CAAA;AAC7B,cAAc,cAAc,CAAA;AAC5B,cAAc,YAAY,CAAA;AAC1B,cAAc,mBAAmB,CAAA;AACjC,cAAc,eAAe,CAAA;AAC7B,cAAc,eAAe,CAAA;AAC7B,cAAc,aAAa,CAAA"}

dist/types/index.js

+/**
+ * Type testing utilities.
+ */
+// Re-export all types
+export * from './equality.js';
+export * from './special.js';
+export * from './union.js';
+export * from './inhabitation.js';
+export * from './property.js';
+export * from './function.js';
+export * from './length.js';
+//# sourceMappingURL=index.js.map

dist/types/index.js.map

+{"version":3,"file":"index.js","sourceRoot":"","sources":["../../src/types/index.ts"],"names":[],"mappings":"AAAA;;GAEG;AAEH,sBAAsB;AACtB,cAAc,eAAe,CAAA;AAC7B,cAAc,cAAc,CAAA;AAC5B,cAAc,YAAY,CAAA;AAC1B,cAAc,mBAAmB,CAAA;AACjC,cAAc,eAAe,CAAA;AAC7B,cAAc,eAAe,CAAA;AAC7B,cAAc,aAAa,CAAA"}

dist/types/inhabitation.d.ts

+/**
+ * Type inhabitation utilities.
+ */
+/**
+ * Checks if a type is inhabited (has at least one value).
+ *
+ * @example
+ * ```typescript
+ * check<string>().isInhabited() // passes
+ * check<never>().isInhabited() // fails
+ * ```
+ */
+export type IsInhabited<T> = [T] extends [never] ? false : true;
+/**
+ * Checks if a type is uninhabited (has no values).
+ *
+ * @example
+ * ```typescript
+ * check<never>().isUninhabited() // passes
+ * check<string>().isUninhabited() // fails
+ * ```
+ */
+export type IsUninhabited<T> = [T] extends [never] ? true : false;
+//# sourceMappingURL=inhabitation.d.ts.map

dist/types/inhabitation.d.ts.map

+{"version":3,"file":"inhabitation.d.ts","sourceRoot":"","sources":["../../src/types/inhabitation.ts"],"names":[],"mappings":"AAAA;;GAEG;AAEH;;;;;;;;GAQG;AACH,MAAM,MAAM,WAAW,CAAC,CAAC,IAAI,CAAC,CAAC,CAAC,SAAS,CAAC,KAAK,CAAC,GAAG,KAAK,GAAG,IAAI,CAAA;AAE/D;;;;;;;;GAQG;AACH,MAAM,MAAM,aAAa,CAAC,CAAC,IAAI,CAAC,CAAC,CAAC,SAAS,CAAC,KAAK,CAAC,GAAG,IAAI,GAAG,KAAK,CAAA"}

dist/types/inhabitation.js

+/**
+ * Type inhabitation utilities.
+ */
+export {};
+//# sourceMappingURL=inhabitation.js.map

dist/types/inhabitation.js.map

+{"version":3,"file":"inhabitation.js","sourceRoot":"","sources":["../../src/types/inhabitation.ts"],"names":[],"mappings":"AAAA;;GAEG"}

dist/types/length.d.ts

+/**
+ * Length utility.
+ */
+/**
+ * Gets the length of an array or tuple type.
+ */
+export type Length<T extends readonly any[]> = T['length'];
+//# sourceMappingURL=length.d.ts.map

dist/types/length.d.ts.map

+{"version":3,"file":"length.d.ts","sourceRoot":"","sources":["../../src/types/length.ts"],"names":[],"mappings":"AAAA;;GAEG;AAEH;;GAEG;AACH,MAAM,MAAM,MAAM,CAAC,CAAC,SAAS,SAAS,GAAG,EAAE,IAAI,CAAC,CAAC,QAAQ,CAAC,CAAA"}

dist/types/length.js

+/**
+ * Length utility.
+ */
+export {};
+//# sourceMappingURL=length.js.map

dist/types/length.js.map

+{"version":3,"file":"length.js","sourceRoot":"","sources":["../../src/types/length.ts"],"names":[],"mappings":"AAAA;;GAEG"}

dist/types/property.d.ts

+/**
+ * Property testing utilities.
+ */
+/**
+ * Checks if a type has a specific property.
+ */
+export type HasProperty<T, K extends PropertyKey> = K extends keyof T ? true : false;
+/**
+ * Gets the type of a specific property from a type.
+ */
+export type PropertyType<T, K extends keyof T> = T[K];
+//# sourceMappingURL=property.d.ts.map

dist/types/property.d.ts.map

+{"version":3,"file":"property.d.ts","sourceRoot":"","sources":["../../src/types/property.ts"],"names":[],"mappings":"AAAA;;GAEG;AAEH;;GAEG;AACH,MAAM,MAAM,WAAW,CAAC,CAAC,EAAE,CAAC,SAAS,WAAW,IAAI,CAAC,SAAS,MAAM,CAAC,GAAG,IAAI,GAAG,KAAK,CAAA;AAEpF;;GAEG;AACH,MAAM,MAAM,YAAY,CAAC,CAAC,EAAE,CAAC,SAAS,MAAM,CAAC,IAAI,CAAC,CAAC,CAAC,CAAC,CAAA"}

dist/types/property.js

+/**
+ * Property testing utilities.
+ */
+export {};
+//# sourceMappingURL=property.js.map

dist/types/property.js.map

+{"version":3,"file":"property.js","sourceRoot":"","sources":["../../src/types/property.ts"],"names":[],"mappings":"AAAA;;GAEG"}

dist/types/special.d.ts

+/**
+ * Special type detection utilities.
+ */
+import type { Equal } from './equality';
+/**
+ * Checks if a type is `any`.
+ * Uses the technique: 0 extends (1 & T) ? true : false
+ *
+ * @example
+ * ```typescript
+ * check<any>().isAny() // passes
+ * check<string>().isAny() // fails
+ * ```
+ */
+export type IsAny<T> = 0 extends (1 & T) ? true : false;
+/**
+ * Checks if a type is `never`.
+ *
+ * @example
+ * ```typescript
+ * check<never>().isNever() // passes
+ * check<string>().isNever() // fails
+ * ```
+ */
+export type IsNever<T> = [T] extends [never] ? true : false;
+/**
+ * Checks if a type is `unknown`.
+ *
+ * @example
+ * ```typescript
+ * check<unknown>().isUnknown() // passes
+ * ```
+ */
+export type IsUnknown<T> = [unknown] extends [T] ? ([T] extends [unknown] ? true : false) : false;
+/**
+ * Checks if a type is `void`.
+ */
+export type IsVoid<T> = Equal<T, void>;
+/**
+ * Checks if a type is `undefined`.
+ */
+export type IsUndefined<T> = Equal<T, undefined>;
+/**
+ * Checks if a type is `null`.
+ */
+export type IsNull<T> = Equal<T, null>;
+/**
+ * Checks if a type is `null` or `undefined`.
+ */
+export type IsNullable<T> = [null] extends [T] ? true : ([undefined] extends [T] ? true : false);
+/**
+ * Checks if a type is optional (may be undefined).
+ */
+export type IsOptional<T> = [undefined] extends [T] ? true : false;
+//# sourceMappingURL=special.d.ts.map

dist/types/special.d.ts.map

+{"version":3,"file":"special.d.ts","sourceRoot":"","sources":["../../src/types/special.ts"],"names":[],"mappings":"AAAA;;GAEG;AAEH,OAAO,KAAK,EAAE,KAAK,EAAE,MAAM,YAAY,CAAA;AAEvC;;;;;;;;;GASG;AACH,MAAM,MAAM,KAAK,CAAC,CAAC,IAAI,CAAC,SAAS,CAAC,CAAC,GAAG,CAAC,CAAC,GAAG,IAAI,GAAG,KAAK,CAAA;AAEvD;;;;;;;;GAQG;AACH,MAAM,MAAM,OAAO,CAAC,CAAC,IAAI,CAAC,CAAC,CAAC,SAAS,CAAC,KAAK,CAAC,GAAG,IAAI,GAAG,KAAK,CAAA;AAE3D;;;;;;;GAOG;AACH,MAAM,MAAM,SAAS,CAAC,CAAC,IAAI,CAAC,OAAO,CAAC,SAAS,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC,SAAS,CAAC,OAAO,CAAC,GAAG,IAAI,GAAG,KAAK,CAAC,GAAG,KAAK,CAAA;AAEjG;;GAEG;AACH,MAAM,MAAM,MAAM,CAAC,CAAC,IAAI,KAAK,CAAC,CAAC,EAAE,IAAI,CAAC,CAAA;AAEtC;;GAEG;AACH,MAAM,MAAM,WAAW,CAAC,CAAC,IAAI,KAAK,CAAC,CAAC,EAAE,SAAS,CAAC,CAAA;AAEhD;;GAEG;AACH,MAAM,MAAM,MAAM,CAAC,CAAC,IAAI,KAAK,CAAC,CAAC,EAAE,IAAI,CAAC,CAAA;AAEtC;;GAEG;AACH,MAAM,MAAM,UAAU,CAAC,CAAC,IAAI,CAAC,IAAI,CAAC,SAAS,CAAC,CAAC,CAAC,GAAG,IAAI,GAAG,CAAC,CAAC,SAAS,CAAC,SAAS,CAAC,CAAC,CAAC,GAAG,IAAI,GAAG,KAAK,CAAC,CAAA;AAEhG;;GAEG;AACH,MAAM,MAAM,UAAU,CAAC,CAAC,IAAI,CAAC,SAAS,CAAC,SAAS,CAAC,CAAC,CAAC,GAAG,IAAI,GAAG,KAAK,CAAA"}

dist/types/special.js

+/**
+ * Special type detection utilities.
+ */
+export {};
+//# sourceMappingURL=special.js.map

dist/types/special.js.map

+{"version":3,"file":"special.js","sourceRoot":"","sources":["../../src/types/special.ts"],"names":[],"mappings":"AAAA;;GAEG"}

dist/types/union.d.ts

+/**
+ * Union and tuple detection utilities.
+ */
+/**
+ * Checks if a type is a union.
+ *
+ * @example
+ * ```typescript
+ * check<'a' | 'b'>().isUnion() // passes
+ * check<'a'>().isUnion() // fails
+ * ```
+ */
+export type IsUnion<T, U = T> = [U] extends [never] ? false : T extends U ? [Exclude<U, never>] extends [T] ? false : true : false;
+/**
+ * Checks if a type is a tuple.
+ *
+ * @example
+ * ```typescript
+ * check<[string, number]>().isTuple() // passes
+ * check<string[]>().isTuple() // fails
+ * ```
+ */
+export type IsTuple<T> = T extends readonly any[] ? (number extends T['length'] ? false : true) : false;
+/**
+ * Checks if a type is an array.
+ *
+ * @example
+ * ```typescript
+ * check<string[]>().isArray() // passes
+ * check<[string]>().isArray() // fails
+ * ```
+ */
+export type IsArray<T> = T extends readonly any[] ? (IsTuple<T> extends true ? false : true) : false;
+//# sourceMappingURL=union.d.ts.map

dist/types/union.d.ts.map

+{"version":3,"file":"union.d.ts","sourceRoot":"","sources":["../../src/types/union.ts"],"names":[],"mappings":"AAAA;;GAEG;AAEH;;;;;;;;GAQG;AACH,MAAM,MAAM,OAAO,CAAC,CAAC,EAAE,CAAC,GAAG,CAAC,IAAI,CAAC,CAAC,CAAC,SAAS,CAAC,KAAK,CAAC,GAAG,KAAK,GAAG,CAAC,SAAS,CAAC,GAAG,CAAC,OAAO,CAAC,CAAC,EAAE,KAAK,CAAC,CAAC,SAAS,CAAC,CAAC,CAAC,GAAG,KAAK,GAAG,IAAI,GAAG,KAAK,CAAA;AAElI;;;;;;;;GAQG;AACH,MAAM,MAAM,OAAO,CAAC,CAAC,IAAI,CAAC,SAAS,SAAS,GAAG,EAAE,GAAG,CAAC,MAAM,SAAS,CAAC,CAAC,QAAQ,CAAC,GAAG,KAAK,GAAG,IAAI,CAAC,GAAG,KAAK,CAAA;AAEvG;;;;;;;;GAQG;AACH,MAAM,MAAM,OAAO,CAAC,CAAC,IAAI,CAAC,SAAS,SAAS,GAAG,EAAE,GAAG,CAAC,OAAO,CAAC,CAAC,CAAC,SAAS,IAAI,GAAG,KAAK,GAAG,IAAI,CAAC,GAAG,KAAK,CAAA"}

dist/types/union.js

+/**
+ * Union and tuple detection utilities.
+ */
+export {};
+//# sourceMappingURL=union.js.map

dist/types/union.js.map

+{"version":3,"file":"union.js","sourceRoot":"","sources":["../../src/types/union.ts"],"names":[],"mappings":"AAAA;;GAEG"}

dist/utils.d.ts

+/**
+ * Additional utilities.
+ */
+import type { Equal } from './types/equality.js';
+/**
+ * Type that always resolves to true.
+ * Useful for making compile-time assertions.
+ */
+export type ExpectTrue<_T extends true> = true;
+/**
+ * Type that validates equality and throws if not equal.
+ */
+export type ExpectEqual<T, U> = Equal<T, U> extends true ? T : never;
+//# sourceMappingURL=utils.d.ts.map

dist/utils.d.ts.map

+{"version":3,"file":"utils.d.ts","sourceRoot":"","sources":["../src/utils.ts"],"names":[],"mappings":"AAAA;;GAEG;AAEH,OAAO,KAAK,EAAE,KAAK,EAAE,MAAM,qBAAqB,CAAA;AAEhD;;;GAGG;AACH,MAAM,MAAM,UAAU,CAAC,EAAE,SAAS,IAAI,IAAI,IAAI,CAAA;AAE9C;;GAEG;AACH,MAAM,MAAM,WAAW,CAAC,CAAC,EAAE,CAAC,IAAI,KAAK,CAAC,CAAC,EAAE,CAAC,CAAC,SAAS,IAAI,GAAG,CAAC,GAAG,KAAK,CAAA"}

dist/utils.js

+/**
+ * Additional utilities.
+ */
+export {};
+//# sourceMappingURL=utils.js.map

dist/utils.js.map

+{"version":3,"file":"utils.js","sourceRoot":"","sources":["../src/utils.ts"],"names":[],"mappings":"AAAA;;GAEG"}

package.json

 {
   "name": "@deessejs/type-testing",
-  "version": "0.1.4",
+  "version": "0.1.5",
   "type": "module",
@@ -5,0 +5,0 @@ "main": "./dist/index.js",

New alerts

Major refactor

Supply chain risk

Package has recently undergone a major refactor. It may be unstable or indicate significant internal changes. Use caution when updating to versions that include significant changes.

Found 1 instance in 1 package

Fixed alerts

Trivial Package

Supply chain risk

Packages less than 10 lines of code are easily copied into your own project and may not warrant the additional supply chain risk of an external dependency.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

211565

16.83%

Number of package files

61

1120%

Lines of code

533

5822.22%

No dependency changes