Filter tag enhancements.

src/lib/constants.ts

@@ -94,6 +94,13 @@ export const OPERATORS = {
   after: 'af',
 } as const;
 
+export const OPERATOR_PREFIXES = {
+  [OPERATORS.equals]: '',
+  [OPERATORS.notEquals]: '!',
+  [OPERATORS.contains]: '~',
+  [OPERATORS.doesNotContain]: '!~',
+};
+
 export const DATA_TYPES = {
   [DATA_TYPE.string]: 'string',
   [DATA_TYPE.number]: 'number',