WIP - add extractor, generate snippet_data

node_modules/@hapi/hoek/lib/escapeHeaderAttribute.js

@@ -0,0 +1,16 @@
+'use strict';
+
+const Assert = require('./assert');
+
+
+const internals = {};
+
+
+module.exports = function (attribute) {
+
+    // Allowed value characters: !#$%&'()*+,-./:;<=>?@[]^_`{|}~ and space, a-z, A-Z, 0-9, \, "
+
+    Assert(/^[ \w\!#\$%&'\(\)\*\+,\-\.\/\:;<\=>\?@\[\]\^`\{\|\}~\"\\]*$/.test(attribute), 'Bad attribute value (' + attribute + ')');
+
+    return attribute.replace(/\\/g, '\\\\').replace(/\"/g, '\\"');                             // Escape quotes and slash
+};