@effect-ts/system/Experimental/Stream/_internal/api/buffer.js

Effect-TS is a zero dependency set of libraries to write highly productive, purely functional TypeScript at scale.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.buffer = buffer;
exports.buffer_ = buffer_;

var CS = /*#__PURE__*/_interopRequireWildcard( /*#__PURE__*/require("../../../../Cause/index.js"));

var CK = /*#__PURE__*/_interopRequireWildcard( /*#__PURE__*/require("../../../../Collections/Immutable/Chunk/index.js"));

var Ex = /*#__PURE__*/_interopRequireWildcard( /*#__PURE__*/require("../../../../Exit/index.js"));

var O = /*#__PURE__*/_interopRequireWildcard( /*#__PURE__*/require("../../../../Option/index.js"));

var Q = /*#__PURE__*/_interopRequireWildcard( /*#__PURE__*/require("../../../../Queue/index.js"));

var CH = /*#__PURE__*/_interopRequireWildcard( /*#__PURE__*/require("../../Channel/index.js"));

var C = /*#__PURE__*/_interopRequireWildcard( /*#__PURE__*/require("../core.js"));

var ToQueueOfElements = /*#__PURE__*/_interopRequireWildcard( /*#__PURE__*/require("./toQueueOfElements.js"));

function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function (nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }

function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }

// ets_tracing: off

/**
 * Allows a faster producer to progress independently of a slower consumer by buffering
 * up to `capacity` chunks in a queue.
 */
function buffer_(self, capacity) {
  const queue = ToQueueOfElements.toQueueOfElements_(self, capacity);
  return new C.Stream(CH.managed_(queue, queue => {
    const process = CH.chain_(CH.fromEffect(Q.take(queue)), Ex.fold(_ => O.fold_(CS.flipCauseOption(_), () => CH.end(undefined), _ => CH.failCause(_)), value => CH.zipRight_(CH.write(CK.single(value)), process)));
    return process;
  }));
}
/**
 * Allows a faster producer to progress independently of a slower consumer by buffering
 * up to `capacity` chunks in a queue.
 *
 * @ets_data_first buffer_
 */


function buffer(capacity) {
  return self => buffer_(self, capacity);
}
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