Use power-assert in development build

Author: wooorm

dev/lib/syntax.js

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

package.json

@@ -43,9 +43,11 @@
     "micromark-util-character": "^1.0.0",
     "micromark-util-sanitize-uri": "^1.0.0",
     "micromark-util-symbol": "^1.0.0",
-    "micromark-util-types": "^1.0.0"
+    "micromark-util-types": "^1.0.0",
+    "power-assert": "^1.0.0"
   },
   "devDependencies": {
+    "@types/power-assert": "^1.0.0",
     "@types/tape": "^4.0.0",
     "c8": "^7.0.0",
     "micromark": "^3.0.0",