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

Purely functional parser combinators & AST generation for generic inputs

import { inputEnd, inputStart, lineEnd, lineStart } from "../prims/anchor.js";
import { seq } from "./seq.js";
const startsWith = (parser) => seq([inputStart, parser]);
const endsWith = (parser) => seq([parser, inputEnd]);
const entireLine = (parser) => seq([lineStart, parser, lineEnd]);
const entirely = (parser) => seq([inputStart, parser, inputEnd]);
export {
  endsWith,
  entireLine,
  entirely,
  startsWith
};