Use uvu/assert in development build

Author: wooorm

dev/lib/syntax.js

@@ -8,7 +8,7 @@
  * @typedef {import('micromark-util-types').Code} Code
  */
 
-import assert from 'power-assert'
+import {ok as assert} from 'uvu/assert'
 import {
   asciiAlpha,
   asciiAlphanumeric,

package.json

@@ -44,10 +44,9 @@
     "micromark-util-sanitize-uri": "^1.0.0",
     "micromark-util-symbol": "^1.0.0",
     "micromark-util-types": "^1.0.0",
-    "power-assert": "^1.0.0"
+    "uvu": "^0.5.0"
   },
   "devDependencies": {
-    "@types/power-assert": "^1.0.0",
     "@types/tape": "^4.0.0",
     "c8": "^7.0.0",
     "micromark": "^3.0.0",
@@ -79,6 +78,7 @@
   "xo": {
     "prettier": true,
     "rules": {
+      "node/file-extension-in-import": "off",
       "unicorn/no-this-assignment": "off",
       "unicorn/prefer-node-protocol": "off"
     }