Add support for unqouted value of Quoted node

docs/Quoted.md

@@ -16,7 +16,12 @@ Value: `'quoted'`
 ### `value`
 Type: `String`<br>
 
-The value of the string between the quote characters.
+The value of the string between the quote characters, *including* quotes.
+
+### `contents`
+Type: `String`<br>
+
+The value of the string between the quote characters, *without* quotes.
 
 ## Example Values
 

lib/index.d.ts

@@ -185,6 +185,7 @@ export interface Quoted extends NodeBase {
   parent: Container;
   quote: string;
   value: string;
+  contents: string;
 }
 
 export interface UnicodeRange extends NodeBase {

lib/nodes/Quoted.js

@@ -8,6 +8,8 @@
   The above copyright notice and this permission notice shall be
   included in all copies or substantial portions of this Source Code Form.
 */
+const { unquote } = require('quote-unquote');
+
 const { registerWalker } = require('../walker');
 
 const Node = require('./Node');
@@ -16,6 +18,7 @@ class Quoted extends Node {
   constructor(options) {
     super(options);
     this.type = 'quoted';
+    this.contents = unquote(options.value);
     [this.quote] = options.value;
   }
 

package.json

@@ -31,7 +31,8 @@
   ],
   "dependencies": {
     "color-name": "^1.1.4",
-    "is-url-superb": "^4.0.0"
+    "is-url-superb": "^4.0.0",
+    "quote-unquote": "^1.0.0"
   },
   "devDependencies": {
     "ava": "^3.12.1",

test/snapshots/func.test.js.md

@@ -3127,6 +3127,7 @@ Generated by [AVA](https://avajs.dev).
         name: 'url',
         nodes: [
           Quoted {
+            contents: '/gfx/img/bg.jpg',
             parent: [Circular],
             quote: '"',
             raws: {
@@ -3206,6 +3207,7 @@ Generated by [AVA](https://avajs.dev).
         name: 'url',
         nodes: [
           Quoted {
+            contents: 'http://domain.com/gfx/img/bg.jpg',
             parent: [Circular],
             quote: '"',
             raws: {
@@ -3285,6 +3287,7 @@ Generated by [AVA](https://avajs.dev).
         name: 'url',
         nodes: [
           Quoted {
+            contents: '/gfx/img/bg.jpg',
             parent: [Circular],
             quote: '\'',
             raws: {
@@ -3364,6 +3367,7 @@ Generated by [AVA](https://avajs.dev).
         name: 'url',
         nodes: [
           Quoted {
+            contents: 'http://domain.com/gfx/img/bg.jpg',
             parent: [Circular],
             quote: '\'',
             raws: {
@@ -3678,6 +3682,7 @@ Generated by [AVA](https://avajs.dev).
         name: 'url',
         nodes: [
           Quoted {
+            contents: '/gfx/img/bg.jpg',
             parent: [Circular],
             quote: '"',
             raws: {
@@ -3790,6 +3795,7 @@ Generated by [AVA](https://avajs.dev).
         name: 'url',
         nodes: [
           Quoted {
+            contents: 'http://domain.com/gfx/img/bg.jpg',
             parent: [Circular],
             quote: '"',
             raws: {

test/snapshots/word.test.js.md

@@ -1108,6 +1108,7 @@ Generated by [AVA](https://avajs.dev).
         [Symbol(isClean)]: false,
       },
       Quoted {
+        contents: 'Open Sans',
         quote: '\'',
         raws: {
           after: '',
@@ -1225,6 +1226,7 @@ Generated by [AVA](https://avajs.dev).
         [Symbol(isClean)]: false,
       },
       Quoted {
+        contents: 'Helvetica Neue',
         quote: '"',
         raws: {
           after: '',