chore!: upgrade is-url-superb to ^4.0.0 (#125)

* chore!: upgrade is-url-superb to ^4.0.0

*Breaking*: Require Node.js 10
- remove url-regex dependency

* chore: remove self-dep from perf test and update deps for audit

Co-authored-by: shellscape <andrew@shellscape.org>

lib/nodes/Word.js

@@ -37,7 +37,7 @@ class Word extends Node {
     const { value } = lastNode;
     lastNode.isColor = colorRegex.test(value) || colorNames.includes(value.toLowerCase());
     lastNode.isHex = hexRegex.test(value);
-    lastNode.isUrl = isUrl(value);
+    lastNode.isUrl = value.startsWith('//') ? isUrl(`http:${value}`) : isUrl(value);
     lastNode.isVariable = Word.testVariable(tokens[0], parser);
   }
 

package.json

@@ -14,7 +14,7 @@
   "main": "lib/index.js",
   "types": "lib/index.d.ts",
   "engines": {
-    "node": ">=6.14.4"
+    "node": ">=10"
   },
   "scripts": {
     "ci:coverage": "nyc npm run test && nyc report --reporter=text-lcov > coverage.lcov",
@@ -31,9 +31,8 @@
   ],
   "dependencies": {
     "color-name": "^1.1.4",
-    "is-url-superb": "^3.0.0",
-    "postcss": "^7.0.5",
-    "url-regex": "^5.0.0"
+    "is-url-superb": "^4.0.0",
+    "postcss": "^7.0.5"
   },
   "devDependencies": {
     "ava": "^3.5.1",
@@ -44,7 +43,6 @@
     "nyc": "^15.0.0",
     "perfy": "^1.1.5",
     "postcss-value-parser": "^4.0.0",
-    "postcss-values-parser": "^3.0.3",
     "pre-commit": "^1.2.2",
     "prettier": "^2.0.1",
     "strip-ansi": "^6.0.0",

perf/perf.js

@@ -5,7 +5,7 @@ const chalk = require('chalk');
 const globby = require('globby');
 const perfy = require('perfy');
 const valueParser = require('postcss-value-parser');
-const v2Parser = require('postcss-values-parser');
+
 const strip = require('strip-ansi');
 const table = require('text-table');
 
@@ -39,14 +39,6 @@ const { parse } = require('../');
         theirs = { milliseconds: NaN };
       }
 
-      perfy.start('v2');
-      try {
-        v2Parser(test).parse();
-        v2 = perfy.end('v2');
-      } catch (e) {
-        v2 = { milliseconds: NaN };
-      }
-
       results.push({
         test,
         ours: ours.milliseconds,