adding a node script to check a js file

1 files changed, 40 insertions, 0 deletions

diff --git a/utilities/check-script.js b/utilities/check-script.js
new file mode 100644
index 0000000..080f3e0
--- /dev/null
+++ b/utilities/check-script.js
@@ -0,0 +1,40 @@
+/**
+ * GNU LibreJS - A browser add-on to block nonfree nontrivial JavaScript.
+ * *
+ * Copyright (C) 2022 Yuchen Pei
+ *
+ * This file is part of GNU LibreJS.
+ *
+ * GNU LibreJS is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * GNU LibreJS is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU LibreJS.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/**
+ * A node script that checks the supplied javascript for licenses and
+ * triviality.  Does not work with web labels.
+ *
+ * Usage: node ./check-script.js <path/to/jsfile>
+ *
+ * Example:
+ * echo '1+1;' > /tmp/trivial.js
+ * node ./check-script.js /tmp/trivial.js
+ * should output:
+ * [ true, '1+1;\n', '\nScript appears to be trivial.' ]
+ */
+
+const { checkScriptSource } = require('../common/checks.js');
+const { readFile } = require('fs');
+readFile(process.argv[2], (err, data) => {
+  if (err) throw err;
+  console.log(checkScriptSource(data.toString(), process.argv[2]));
+});