Extract CI script to bin/test

Author: andreslucena

bin/test

@@ -0,0 +1,14 @@
+#!/bin/env bash
+
+stderrlog=$(mktemp)
+
+npm run build 2> $stderrlog
+
+if [ -e "$stderrlog" ];
+then
+  cat $stderrlog
+  exit 1
+else
+  exit 0
+fi
+

package.json

@@ -3,7 +3,7 @@
   "private": true,
   "scripts": {
     "build": "antora antora-playbook.yml $@",
-    "test": "errlog=$(mktemp) && npm run build &2> $errlog && if [ -e $errlog ] ; then exit 1 ; else exit 0 ; fi"
+    "test": "./bin/test"
   },
   "devDependencies": {
     "@antora/cli": "^3.0.0",