Switching to new security rules

src/rules/index.ts

@@ -0,0 +1,30 @@
+import { RuleError, transformError } from "./error";
+import parse, { ParserError } from "./parser";
+import tokenize, { TokenizerError } from "./tokenise";
+import { getRuleRunner, RuleRunner } from "./compile";
+import { inspect } from "util";
+
+export default function compileRule(rule: string) {
+   let runner: RuleRunner | undefined;
+   let error: RuleError | undefined;
+   try {
+      const tokenised = tokenize(rule);
+      // console.log(tokenised);
+      const parsed = parse(tokenised);
+      const dbservice = parsed.find((e) => e.name === "realtimedb");
+
+      if (!dbservice) throw new Error("No realtimedb service available!");
+
+      runner = getRuleRunner(dbservice);
+   } catch (err) {
+      if (err instanceof TokenizerError) {
+         error = transformError(err, rule, err.index);
+      } else if (err instanceof ParserError) {
+         error = transformError(err, rule, err.token.startIdx);
+      } else {
+         throw err;
+      }
+   }
+
+   return { runner, error };
+}