@effect-ts/system/Experimental/Stream/_internal/api/asyncMaybe.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.asyncMaybe = asyncMaybe;

var T = /*#__PURE__*/_interopRequireWildcard( /*#__PURE__*/require("../../../../Effect/index.js"));

var E = /*#__PURE__*/_interopRequireWildcard( /*#__PURE__*/require("../../../../Either/index.js"));

var AsyncInterrupt = /*#__PURE__*/_interopRequireWildcard( /*#__PURE__*/require("./asyncInterrupt.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

/**
 * Creates a stream from an asynchronous callback that can be called multiple times.
 * The registration of the callback can possibly return the stream synchronously.
 * The optionality of the error type `E` can be used to signal the end of the stream,
 * by setting it to `None`.
 */
function asyncMaybe(register, outputBuffer = 16) {
  return AsyncInterrupt.asyncInterrupt(k => E.fromOption_(register(k), () => T.unit), outputBuffer);
}
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