feat: require Node.js >=10.13

BREAKING CHANGE: Require Node.js >= 10.13

Author: pvdlg

.travis.yml

@@ -3,7 +3,6 @@ language: node_js
 node_js:
   - 12
   - 10
-  - 8
 
 branches:
   only:

index.js

@@ -1,5 +1,3 @@
-'use strict';
-
 const escapeRegExp = require('lodash.escaperegexp');
 const capitalize = require('lodash.capitalize');
 const isString = require('lodash.isstring');
@@ -9,6 +7,8 @@ const hostConfig = require('./lib/hosts-config');
 
 const {hasOwnProperty} = Object.prototype;
 
+/* eslint prefer-named-capture-group: "off" */
+
 const FENCE_BLOCK_REGEXP = /^(([ \t]*`{3,4})([^\n]*)([\s\S]+?)(^[ \t]*\2))/gm;
 const CODE_BLOCK_REGEXP = /(`(?![\\]))((?:.(?!\1(?![\\])))*.?)\1/g;
 const HTML_CODE_BLOCK_REGEXP = /(<code)+?((?!(<code|<\/code>)+?)[\S\s])*(<\/code>)+?/gim;

package.json

@@ -21,7 +21,7 @@
     "xo": "^0.25.0"
   },
   "engines": {
-    "node": ">=8.3"
+    "node": ">=10.13"
   },
   "files": [
     "lib",