refactor: move Input type alongside createInput util

Author: danielroe

src/core/inputs.ts

@@ -1,39 +1,6 @@
-import { createInput } from './internal'
+import { createInput, Input } from './internal'
 
-export interface Input<T extends string = never> {
-  /** this adds a new pattern to the current input */
-  and: <X extends string = never>(input: string | Input<X>) => Input<T | X>
-  /** this provides an alternative to the current input */
-  or: <X extends string = never>(input: string | Input<X>) => Input<T | X>
-  /** this is a positive lookbehind. Make sure to check [browser support](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp#browser_compatibility) as not all browsers support lookbehinds (notably Safari) */
-  after: (input: string | Input) => Input<T>
-  /** this is a positive lookahead */
-  before: (input: string | Input) => Input<T>
-  /** these is a negative lookbehind. Make sure to check [browser support](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp#browser_compatibility) as not all browsers support lookbehinds (notably Safari) */
-  notAfter: (input: string | Input) => Input<T>
-  /** this is a negative lookahead */
-  notBefore: (input: string | Input) => Input<T>
-  times: {
-    /** repeat the previous pattern an exact number of times */
-    (number: number): Input<T>
-    /** specify a range of times to repeat the previous pattern */
-    between: (min: number, max: number) => Input<T>
-    /** specify that the expression can repeat any number of times, _including none_ */
-    any: () => Input<T>
-    /** specify that the expression must occur at least x times */
-    atLeast: (min: number) => Input<T>
-  }
-  /** this defines the entire input so far as a named capture group. You will get type safety when using the resulting RegExp with `String.match()` */
-  as: <K extends string>(key: K) => Input<T | K>
-  /** this allows you to match beginning/ends of lines with `at.lineStart()` and `at.lineEnd()` */
-  at: {
-    lineStart: () => Input<T>
-    lineEnd: () => Input<T>
-  }
-  /** this allows you to mark the input so far as optional */
-  optionally: () => Input<T>
-  toString: () => string
-}
+export type { Input }
 
 /** This matches any character in the string provided */
 export const charIn = (chars: string) => createInput(`[${chars.replace(/[-\\^\]]/g, '\\$&')}]`)

src/core/internal.ts

@@ -1,4 +1,39 @@
-import { Input, exactly } from './inputs'
+import { exactly } from './inputs'
+
+export interface Input<T extends string = never> {
+  /** this adds a new pattern to the current input */
+  and: <X extends string = never>(input: string | Input<X>) => Input<T | X>
+  /** this provides an alternative to the current input */
+  or: <X extends string = never>(input: string | Input<X>) => Input<T | X>
+  /** this is a positive lookbehind. Make sure to check [browser support](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp#browser_compatibility) as not all browsers support lookbehinds (notably Safari) */
+  after: (input: string | Input) => Input<T>
+  /** this is a positive lookahead */
+  before: (input: string | Input) => Input<T>
+  /** these is a negative lookbehind. Make sure to check [browser support](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp#browser_compatibility) as not all browsers support lookbehinds (notably Safari) */
+  notAfter: (input: string | Input) => Input<T>
+  /** this is a negative lookahead */
+  notBefore: (input: string | Input) => Input<T>
+  times: {
+    /** repeat the previous pattern an exact number of times */
+    (number: number): Input<T>
+    /** specify a range of times to repeat the previous pattern */
+    between: (min: number, max: number) => Input<T>
+    /** specify that the expression can repeat any number of times, _including none_ */
+    any: () => Input<T>
+    /** specify that the expression must occur at least x times */
+    atLeast: (min: number) => Input<T>
+  }
+  /** this defines the entire input so far as a named capture group. You will get type safety when using the resulting RegExp with `String.match()` */
+  as: <K extends string>(key: K) => Input<T | K>
+  /** this allows you to match beginning/ends of lines with `at.lineStart()` and `at.lineEnd()` */
+  at: {
+    lineStart: () => Input<T>
+    lineEnd: () => Input<T>
+  }
+  /** this allows you to mark the input so far as optional */
+  optionally: () => Input<T>
+  toString: () => string
+}
 
 export const createInput = <T extends string = never>(s: string | Input<T>): Input<T> => {
   return {