Enable type imports (#116)

## **This PR**:

- [X] Enables `type` imports.

src/branding.ts

@@ -1,5 +1,5 @@
-import {ConstructorOverloadParameters, NumOverloads, OverloadsInfoUnion} from './overloads'
-import {
+import type {ConstructorOverloadParameters, NumOverloads, OverloadsInfoUnion} from './overloads'
+import type {
   IsNever,
   IsAny,
   IsUnknown,

src/index.ts

@@ -1,5 +1,5 @@
-import {StrictEqualUsingBranding} from './branding'
-import {
+import type {StrictEqualUsingBranding} from './branding'
+import type {
   MismatchInfo,
   Scolder,
   ExpectAny,
@@ -17,13 +17,13 @@ import {
   ExpectUndefined,
   ExpectNullable,
 } from './messages'
-import {
+import type {
   ConstructorOverloadParameters,
   OverloadParameters,
   OverloadReturnTypes,
   OverloadsNarrowedByParameters,
 } from './overloads'
-import {StrictEqualUsingTSInternalIdenticalToOperator, AValue, MismatchArgs, Extends} from './utils'
+import type {StrictEqualUsingTSInternalIdenticalToOperator, AValue, MismatchArgs, Extends} from './utils'
 
 export * from './branding' // backcompat, consider removing in next major version
 export * from './utils' // backcompat, consider removing in next major version

src/messages.ts

@@ -1,5 +1,5 @@
-import {StrictEqualUsingBranding} from './branding'
-import {And, Extends, Not, IsAny, UsefulKeys, ExtendsExcludingAnyOrNever, IsUnknown, IsNever} from './utils'
+import type {StrictEqualUsingBranding} from './branding'
+import type {And, Extends, Not, IsAny, UsefulKeys, ExtendsExcludingAnyOrNever, IsUnknown, IsNever} from './utils'
 
 /**
  * Determines the printable type representation for a given type.

src/overloads.ts

@@ -1,4 +1,4 @@
-import {StrictEqualUsingTSInternalIdenticalToOperator, IsNever, UnionToIntersection, UnionToTuple} from './utils'
+import type {StrictEqualUsingTSInternalIdenticalToOperator, IsNever, UnionToIntersection, UnionToTuple} from './utils'
 
 // prettier-ignore
 /**

test/errors.test.ts

@@ -1,4 +1,4 @@
-import * as fs from 'fs'
+import * as fs from 'node:fs'
 import {test, expect} from 'vitest'
 import {tsErrors, tsFileErrors} from './ts-output'
 

test/ts-output.ts

@@ -1,4 +1,4 @@
-import * as path from 'path'
+import * as path from 'node:path'
 import stripAnsi from 'strip-ansi'
 import * as tsmorph from 'ts-morph'
 

test/types.test.ts

@@ -1,9 +1,9 @@
 /* eslint-disable @typescript-eslint/no-duplicate-type-constituents */
 /* eslint-disable @typescript-eslint/ban-ts-comment */
 import {test} from 'vitest'
-import * as a from '../src'
-import {UnionToIntersection} from '../src'
-import {
+import * as a from '../src/index'
+import type {UnionToIntersection} from '../src/index'
+import type {
   ConstructorOverloadParameters,
   OverloadParameters,
   OverloadReturnTypes,

test/usage.test.ts

@@ -2,7 +2,7 @@
 /* eslint prettier/prettier: ["warn", { "singleQuote": true, "semi": false, "arrowParens": "avoid", "trailingComma": "es5", "bracketSpacing": false, "endOfLine": "auto", "printWidth": 100 }] */
 
 import {test} from 'vitest'
-import {expectTypeOf} from '../src'
+import {expectTypeOf} from '../src/index'
 
 test("Check an object's type with `.toEqualTypeOf`", () => {
   expectTypeOf({a: 1}).toEqualTypeOf<{a: number}>()