@thi.ng/pointfree/string.js

Pointfree functional composition / Forth style stack execution engine

import { $n, $ } from "./safe.js";
const ismatch = (ctx) => {
  const stack = ctx[0];
  const n = stack.length - 2;
  $n(n, 0);
  stack[n] = new RegExp(stack[n + 1]).test(stack[n]);
  stack.length--;
  return ctx;
};
const fromjson = (ctx) => {
  const stack = ctx[0];
  $(stack, 1);
  stack.push(JSON.parse(stack.pop()));
  return ctx;
};
const tojson = (ctx) => {
  const stack = ctx[0];
  $(stack, 1);
  stack.push(JSON.stringify(stack.pop(), null, 4));
  return ctx;
};
export {
  fromjson,
  ismatch,
  tojson
};