Improved special character handling in manticore and URL query.

utils/escape-manticore.js

@@ -0,0 +1,11 @@
+// https://manual.manticoresearch.com/Searching/Full_text_matching/Escaping#Escaping-characters-in-query-string
+export default function escape(string) {
+	if (!string) {
+		return null;
+	}
+
+	return string
+		.replace(/\\/g, String.raw`\\\\`) // using String.raw so we don't have to double up JS and SQL escaping
+		.replace(/'/g, String.raw`\'`)
+		.replace(/(["!$()/<@^|~-])/g, String.raw`\\$1`);
+}