Remove redundant unwrap() function

Author: ezzatron

README.md

@@ -19,7 +19,3 @@
 ### `escape (literal: string) => string`
 
 Returns an escaped version of a string for use in a regular expression.
-
-### `unwrap (exp: RegExp) => string`
-
-Returns a string containing just the pattern portion of a regular expression.

src/index.ts

@@ -1 +1 @@
-export {escape, unwrap} from './main'
+export {escape} from './main'

src/main.ts

@@ -9,10 +9,3 @@
  *     SyntaxError: Invalid regular expression: <expression>: Invalid escape
  */
 export const escape: (literal: string) => string = literal => literal.replace(/[|\\{}()[\]^$+*?.]/g, '\\$&')
-
-/**
- * Returns a string containing just the pattern portion of a regular expression.
- *
- * The surrounding delimiters, and the flags/modifiers will be omitted.
- */
-export const unwrap: (exp: RegExp) => string = exp => String(exp).split('/').slice(1, -1).join('/')

test/unit/index.spec.ts

@@ -1,12 +1,8 @@
 import * as index from '../../src/index'
-import {escape, unwrap} from '../../src/main'
+import {escape} from '../../src/main'
 
 describe('module index', () => {
   it('should provide access to param()', () => {
     expect(index.escape).toBe(escape)
   })
-
-  it('should provide access to path()', () => {
-    expect(index.unwrap).toBe(unwrap)
-  })
 })