UNPKG

@effect-ts/system

Version:

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

43 lines (31 loc) 2.41 kB
"use strict"; Object.defineProperty(exports, "__esModule", { value: true }); exports.scanEffect = scanEffect; exports.scanEffect_ = scanEffect_; var Tp = /*#__PURE__*/_interopRequireWildcard( /*#__PURE__*/require("../../../../Collections/Immutable/Tuple/index.js")); var T = /*#__PURE__*/_interopRequireWildcard( /*#__PURE__*/require("../../../../Effect/index.js")); var Concat = /*#__PURE__*/_interopRequireWildcard( /*#__PURE__*/require("./concat.js")); var MapAccumEffect = /*#__PURE__*/_interopRequireWildcard( /*#__PURE__*/require("./mapAccumEffect.js")); var Succeed = /*#__PURE__*/_interopRequireWildcard( /*#__PURE__*/require("./succeed.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 /** * Statefully and effectfully maps over the elements of this stream to produce all * intermediate results of type `S` given an initial S. */ function scanEffect_(self, s, f) { return Concat.concat_(Succeed.succeed(s), MapAccumEffect.mapAccumEffect_(self, s, (s, a) => T.map_(f(s, a), s => Tp.tuple(s, s)))); } /** * Statefully and effectfully maps over the elements of this stream to produce all * intermediate results of type `S` given an initial S. * * @ets_data_first scanEffect_ */ function scanEffect(s, f) { return self => scanEffect_(self, s, f); } //# sourceMappingURL=scanEffect.js.map