@thi.ng/parse/combinators/seq.js

Purely functional parser combinators & AST generation for generic inputs

import { discard } from "../xform/discard.js";
const seq = (parsers, id = "seq") => (ctx) => {
  if (ctx.done) return false;
  ctx.start(id);
  for (let i = 0, n = parsers.length; i < n; i++) {
    if (!parsers[i](ctx)) {
      return ctx.discard();
    }
  }
  return ctx.end();
};
const seqD = (parsers) => discard(seq(parsers));
export {
  seq,
  seqD
};