gossamer

// src/utils/iteration.ffi.ts
import * as $asyncYielder from "../gossamer/async_yielder.mjs";
import * as $yielder from "../../gleam_yielder/gleam/yielder.mjs";
function jsIteratorAsYielder(jsIterator) {
  return $yielder.unfold(jsIterator, (current) => {
    const result = current.next();
    if (result.done) return $yielder.Step$Done();
    return $yielder.Step$Next(result.value, current);
  });
}
function yielderAsJsIterator(yielder) {
  let current = yielder;
  const iter = {
    next() {
      const step3 = $yielder.step(current);
      if ($yielder.Step$isDone(step3)) {
        return { done: true, value: void 0 };
      }
      const value = $yielder.Step$Next$element(step3);
      current = $yielder.Step$Next$accumulator(step3);
      return { done: false, value };
    },
    [Symbol.iterator]() {
      return this;
    }
  };
  return iter;
}
function jsAsyncIteratorAsAsyncYielder(jsIterator) {
  return $asyncYielder.unfold_async(jsIterator, async (current) => {
    const result = await current.next();
    if (result.done) return $asyncYielder.Step$Done();
    return $asyncYielder.Step$Next(result.value, current);
  });
}
function asyncYielderAsJsAsyncIterator(yielder) {
  let current = yielder;
  const iter = {
    async next() {
      const step3 = await $asyncYielder.step(current);
      if ($asyncYielder.Step$isDone(step3)) {
        return { done: true, value: void 0 };
      }
      const value = $asyncYielder.Step$Next$element(step3);
      current = $asyncYielder.Step$Next$accumulator(
        step3
      );
      return { done: false, value };
    },
    [Symbol.asyncIterator]() {
      return this;
    }
  };
  return iter;
}
export {
  asyncYielderAsJsAsyncIterator,
  jsAsyncIteratorAsAsyncYielder,
  jsIteratorAsYielder,
  yielderAsJsIterator
};