@lcap/nasl-parser/ts/index.ts

Take Nasl text to Nasl AST with the help of generalized parsing.

import { Parser, Grammar } from "nearley";
import grammar from "./nasl";
import { toNaslAST } from "./toAST/to-nasl-ast";

export function parse(code: string): any {
    const parser = new Parser(Grammar.fromCompiled(grammar));
    parser.feed(code);

    if (parser.results?.length === 0) {
        throw new Error('Failed to parse');
    }
    if (parser.results?.length > 1) {
        throw new Error('Grammar may be ambiguous. Choose the first result.');
    }

    return toNaslAST(parser.results?.[0]?.nasl).toJSON();
}