"use strict"
var __createBinding =
  (this && this.__createBinding) ||
  (Object.create
    ? function (o, m, k, k2) {
        if (k2 === undefined) k2 = k
        Object.defineProperty(o, k2, {
          enumerable: true,
          get: function () {
            return m[k]
          }
        })
      }
    : function (o, m, k, k2) {
        if (k2 === undefined) k2 = k
        o[k2] = m[k]
      })
var __setModuleDefault =
  (this && this.__setModuleDefault) ||
  (Object.create
    ? function (o, v) {
        Object.defineProperty(o, "default", { enumerable: true, value: v })
      }
    : function (o, v) {
        o["default"] = v
      })
var __importStar =
  (this && this.__importStar) ||
  function (mod) {
    if (mod && mod.__esModule) return mod
    var result = {}
    if (mod != null)
      for (var k in mod)
        if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k))
          __createBinding(result, mod, k)
    __setModuleDefault(result, mod)
    return result
  }
Object.defineProperty(exports, "__esModule", { value: true })
exports.buffer = exports.buffer_ = void 0
// tracing: off
const Function_1 = require("../../Function")
const O = __importStar(require("../../Option"))
const Q = __importStar(require("../../Queue"))
const Ref = __importStar(require("../../Ref"))
const T = __importStar(require("../_internal/effect"))
const M = __importStar(require("../_internal/managed"))
const Pull = __importStar(require("../Pull"))
const Take = __importStar(require("../Take"))
const definitions_1 = require("./definitions")
const toQueue_1 = require("./toQueue")
/**
 * Allows a faster producer to progress independently of a slower consumer by buffering
 * up to `capacity` chunks in a queue.
 *
 * @note Prefer capacities that are powers of 2 for better performance.
 */
function buffer_(self, capacity) {
  return new definitions_1.Stream(
    M.map_(
      M.bind_(
        M.bind_(M.do, "done", () => T.toManaged(Ref.makeRef(false))),
        "queue",
        () => (0, toQueue_1.toQueue_)(self, capacity)
      ),
      ({ done, queue }) => {
        return T.chain_(done.get, (_) => {
          if (_) {
            return Pull.end
          } else {
            return T.catchSome_(
              T.chain_(Q.take(queue), (_) => Take.done(_)),
              (_) => {
                if (O.isNone(_)) {
                  return O.some(T.zipRight_(done.set(true), Pull.end))
                }
                return O.none
              }
            )
          }
        })
      }
    )
  )
}
exports.buffer_ = buffer_
/**
 * Allows a faster producer to progress independently of a slower consumer by buffering
 * up to `capacity` chunks in a queue.
 *
 * @note Prefer capacities that are powers of 2 for better performance.
 */
function buffer(capacity) {
  return (self) => buffer_(self, capacity)
}
exports.buffer = buffer
//# sourceMappingURL=buffer.js.map
