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