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ai-zero-shot-classifier

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🧠 powerful JavaScript library that leverages advanced AI embeddings to perform zero-shot text classification. Whether you're dealing with unlabelled data or seeking to classify text against dynamic and user-defined labels, this library provides a seamles

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"use strict"; Object.defineProperty(exports, "__esModule", { value: true }); exports.default = pMap; exports.pMapIterable = pMapIterable; exports.pMapSkip = void 0; function _slicedToArray(r, e) { return _arrayWithHoles(r) || _iterableToArrayLimit(r, e) || _unsupportedIterableToArray(r, e) || _nonIterableRest(); } function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } function _iterableToArrayLimit(r, l) { var t = null == r ? null : "undefined" != typeof Symbol && r[Symbol.iterator] || r["@@iterator"]; if (null != t) { var e, n, i, u, a = [], f = !0, o = !1; try { if (i = (t = t.call(r)).next, 0 === l) { if (Object(t) !== t) return; f = !1; } else for (; !(f = (e = i.call(t)).done) && (a.push(e.value), a.length !== l); f = !0); } catch (r) { o = !0, n = r; } finally { try { if (!f && null != t.return && (u = t.return(), Object(u) !== u)) return; } finally { if (o) throw n; } } return a; } } function _arrayWithHoles(r) { if (Array.isArray(r)) return r; } function _createForOfIteratorHelper(r, e) { var t = "undefined" != typeof Symbol && r[Symbol.iterator] || r["@@iterator"]; if (!t) { if (Array.isArray(r) || (t = _unsupportedIterableToArray(r)) || e && r && "number" == typeof r.length) { t && (r = t); var _n = 0, F = function F() {}; return { s: F, n: function n() { return _n >= r.length ? { done: !0 } : { done: !1, value: r[_n++] }; }, e: function e(r) { throw r; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var o, a = !0, u = !1; return { s: function s() { t = t.call(r); }, n: function n() { var r = t.next(); return a = r.done, r; }, e: function e(r) { u = !0, o = r; }, f: function f() { try { a || null == t.return || t.return(); } finally { if (u) throw o; } } }; } function _unsupportedIterableToArray(r, a) { if (r) { if ("string" == typeof r) return _arrayLikeToArray(r, a); var t = {}.toString.call(r).slice(8, -1); return "Object" === t && r.constructor && (t = r.constructor.name), "Map" === t || "Set" === t ? Array.from(r) : "Arguments" === t || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(t) ? _arrayLikeToArray(r, a) : void 0; } } function _arrayLikeToArray(r, a) { (null == a || a > r.length) && (a = r.length); for (var e = 0, n = Array(a); e < a; e++) n[e] = r[e]; return n; } function _defineProperty(e, r, t) { return (r = _toPropertyKey(r)) in e ? Object.defineProperty(e, r, { value: t, enumerable: !0, configurable: !0, writable: !0 }) : e[r] = t, e; } function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : i + ""; } function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); } function _regeneratorRuntime() { "use strict"; /*! regenerator-runtime -- Copyright (c) 2014-present, Facebook, Inc. -- license (MIT): https://github.com/facebook/regenerator/blob/main/LICENSE */ _regeneratorRuntime = function _regeneratorRuntime() { return e; }; var t, e = {}, r = Object.prototype, n = r.hasOwnProperty, o = Object.defineProperty || function (t, e, r) { t[e] = r.value; }, i = "function" == typeof Symbol ? Symbol : {}, a = i.iterator || "@@iterator", c = i.asyncIterator || "@@asyncIterator", u = i.toStringTag || "@@toStringTag"; function define(t, e, r) { return Object.defineProperty(t, e, { value: r, enumerable: !0, configurable: !0, writable: !0 }), t[e]; } try { define({}, ""); } catch (t) { define = function define(t, e, r) { return t[e] = r; }; } function wrap(t, e, r, n) { var i = e && e.prototype instanceof Generator ? e : Generator, a = Object.create(i.prototype), c = new Context(n || []); return o(a, "_invoke", { value: makeInvokeMethod(t, r, c) }), a; } function tryCatch(t, e, r) { try { return { type: "normal", arg: t.call(e, r) }; } catch (t) { return { type: "throw", arg: t }; } } e.wrap = wrap; var h = "suspendedStart", l = "suspendedYield", f = "executing", s = "completed", y = {}; function Generator() {} function GeneratorFunction() {} function GeneratorFunctionPrototype() {} var p = {}; define(p, a, function () { return this; }); var d = Object.getPrototypeOf, v = d && d(d(values([]))); v && v !== r && n.call(v, a) && (p = v); var g = GeneratorFunctionPrototype.prototype = Generator.prototype = Object.create(p); function defineIteratorMethods(t) { ["next", "throw", "return"].forEach(function (e) { define(t, e, function (t) { return this._invoke(e, t); }); }); } function AsyncIterator(t, e) { function invoke(r, o, i, a) { var c = tryCatch(t[r], t, o); if ("throw" !== c.type) { var u = c.arg, h = u.value; return h && "object" == _typeof(h) && n.call(h, "__await") ? e.resolve(h.__await).then(function (t) { invoke("next", t, i, a); }, function (t) { invoke("throw", t, i, a); }) : e.resolve(h).then(function (t) { u.value = t, i(u); }, function (t) { return invoke("throw", t, i, a); }); } a(c.arg); } var r; o(this, "_invoke", { value: function value(t, n) { function callInvokeWithMethodAndArg() { return new e(function (e, r) { invoke(t, n, e, r); }); } return r = r ? r.then(callInvokeWithMethodAndArg, callInvokeWithMethodAndArg) : callInvokeWithMethodAndArg(); } }); } function makeInvokeMethod(e, r, n) { var o = h; return function (i, a) { if (o === f) throw Error("Generator is already running"); if (o === s) { if ("throw" === i) throw a; return { value: t, done: !0 }; } for (n.method = i, n.arg = a;;) { var c = n.delegate; if (c) { var u = maybeInvokeDelegate(c, n); if (u) { if (u === y) continue; return u; } } if ("next" === n.method) n.sent = n._sent = n.arg;else if ("throw" === n.method) { if (o === h) throw o = s, n.arg; n.dispatchException(n.arg); } else "return" === n.method && n.abrupt("return", n.arg); o = f; var p = tryCatch(e, r, n); if ("normal" === p.type) { if (o = n.done ? s : l, p.arg === y) continue; return { value: p.arg, done: n.done }; } "throw" === p.type && (o = s, n.method = "throw", n.arg = p.arg); } }; } function maybeInvokeDelegate(e, r) { var n = r.method, o = e.iterator[n]; if (o === t) return r.delegate = null, "throw" === n && e.iterator.return && (r.method = "return", r.arg = t, maybeInvokeDelegate(e, r), "throw" === r.method) || "return" !== n && (r.method = "throw", r.arg = new TypeError("The iterator does not provide a '" + n + "' method")), y; var i = tryCatch(o, e.iterator, r.arg); if ("throw" === i.type) return r.method = "throw", r.arg = i.arg, r.delegate = null, y; var a = i.arg; return a ? a.done ? (r[e.resultName] = a.value, r.next = e.nextLoc, "return" !== r.method && (r.method = "next", r.arg = t), r.delegate = null, y) : a : (r.method = "throw", r.arg = new TypeError("iterator result is not an object"), r.delegate = null, y); } function pushTryEntry(t) { var e = { tryLoc: t[0] }; 1 in t && (e.catchLoc = t[1]), 2 in t && (e.finallyLoc = t[2], e.afterLoc = t[3]), this.tryEntries.push(e); } function resetTryEntry(t) { var e = t.completion || {}; e.type = "normal", delete e.arg, t.completion = e; } function Context(t) { this.tryEntries = [{ tryLoc: "root" }], t.forEach(pushTryEntry, this), this.reset(!0); } function values(e) { if (e || "" === e) { var r = e[a]; if (r) return r.call(e); if ("function" == typeof e.next) return e; if (!isNaN(e.length)) { var o = -1, i = function next() { for (; ++o < e.length;) if (n.call(e, o)) return next.value = e[o], next.done = !1, next; return next.value = t, next.done = !0, next; }; return i.next = i; } } throw new TypeError(_typeof(e) + " is not iterable"); } return GeneratorFunction.prototype = GeneratorFunctionPrototype, o(g, "constructor", { value: GeneratorFunctionPrototype, configurable: !0 }), o(GeneratorFunctionPrototype, "constructor", { value: GeneratorFunction, configurable: !0 }), GeneratorFunction.displayName = define(GeneratorFunctionPrototype, u, "GeneratorFunction"), e.isGeneratorFunction = function (t) { var e = "function" == typeof t && t.constructor; return !!e && (e === GeneratorFunction || "GeneratorFunction" === (e.displayName || e.name)); }, e.mark = function (t) { return Object.setPrototypeOf ? Object.setPrototypeOf(t, GeneratorFunctionPrototype) : (t.__proto__ = GeneratorFunctionPrototype, define(t, u, "GeneratorFunction")), t.prototype = Object.create(g), t; }, e.awrap = function (t) { return { __await: t }; }, defineIteratorMethods(AsyncIterator.prototype), define(AsyncIterator.prototype, c, function () { return this; }), e.AsyncIterator = AsyncIterator, e.async = function (t, r, n, o, i) { void 0 === i && (i = Promise); var a = new AsyncIterator(wrap(t, r, n, o), i); return e.isGeneratorFunction(r) ? a : a.next().then(function (t) { return t.done ? t.value : a.next(); }); }, defineIteratorMethods(g), define(g, u, "Generator"), define(g, a, function () { return this; }), define(g, "toString", function () { return "[object Generator]"; }), e.keys = function (t) { var e = Object(t), r = []; for (var n in e) r.push(n); return r.reverse(), function next() { for (; r.length;) { var t = r.pop(); if (t in e) return next.value = t, next.done = !1, next; } return next.done = !0, next; }; }, e.values = values, Context.prototype = { constructor: Context, reset: function reset(e) { if (this.prev = 0, this.next = 0, this.sent = this._sent = t, this.done = !1, this.delegate = null, this.method = "next", this.arg = t, this.tryEntries.forEach(resetTryEntry), !e) for (var r in this) "t" === r.charAt(0) && n.call(this, r) && !isNaN(+r.slice(1)) && (this[r] = t); }, stop: function stop() { this.done = !0; var t = this.tryEntries[0].completion; if ("throw" === t.type) throw t.arg; return this.rval; }, dispatchException: function dispatchException(e) { if (this.done) throw e; var r = this; function handle(n, o) { return a.type = "throw", a.arg = e, r.next = n, o && (r.method = "next", r.arg = t), !!o; } for (var o = this.tryEntries.length - 1; o >= 0; --o) { var i = this.tryEntries[o], a = i.completion; if ("root" === i.tryLoc) return handle("end"); if (i.tryLoc <= this.prev) { var c = n.call(i, "catchLoc"), u = n.call(i, "finallyLoc"); if (c && u) { if (this.prev < i.catchLoc) return handle(i.catchLoc, !0); if (this.prev < i.finallyLoc) return handle(i.finallyLoc); } else if (c) { if (this.prev < i.catchLoc) return handle(i.catchLoc, !0); } else { if (!u) throw Error("try statement without catch or finally"); if (this.prev < i.finallyLoc) return handle(i.finallyLoc); } } } }, abrupt: function abrupt(t, e) { for (var r = this.tryEntries.length - 1; r >= 0; --r) { var o = this.tryEntries[r]; if (o.tryLoc <= this.prev && n.call(o, "finallyLoc") && this.prev < o.finallyLoc) { var i = o; break; } } i && ("break" === t || "continue" === t) && i.tryLoc <= e && e <= i.finallyLoc && (i = null); var a = i ? i.completion : {}; return a.type = t, a.arg = e, i ? (this.method = "next", this.next = i.finallyLoc, y) : this.complete(a); }, complete: function complete(t, e) { if ("throw" === t.type) throw t.arg; return "break" === t.type || "continue" === t.type ? this.next = t.arg : "return" === t.type ? (this.rval = this.arg = t.arg, this.method = "return", this.next = "end") : "normal" === t.type && e && (this.next = e), y; }, finish: function finish(t) { for (var e = this.tryEntries.length - 1; e >= 0; --e) { var r = this.tryEntries[e]; if (r.finallyLoc === t) return this.complete(r.completion, r.afterLoc), resetTryEntry(r), y; } }, catch: function _catch(t) { for (var e = this.tryEntries.length - 1; e >= 0; --e) { var r = this.tryEntries[e]; if (r.tryLoc === t) { var n = r.completion; if ("throw" === n.type) { var o = n.arg; resetTryEntry(r); } return o; } } throw Error("illegal catch attempt"); }, delegateYield: function delegateYield(e, r, n) { return this.delegate = { iterator: values(e), resultName: r, nextLoc: n }, "next" === this.method && (this.arg = t), y; } }, e; } function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); } function asyncGeneratorStep(n, t, e, r, o, a, c) { try { var i = n[a](c), u = i.value; } catch (n) { return void e(n); } i.done ? t(u) : Promise.resolve(u).then(r, o); } function _asyncToGenerator(n) { return function () { var t = this, e = arguments; return new Promise(function (r, o) { var a = n.apply(t, e); function _next(n) { asyncGeneratorStep(a, r, o, _next, _throw, "next", n); } function _throw(n) { asyncGeneratorStep(a, r, o, _next, _throw, "throw", n); } _next(void 0); }); }; } function _awaitAsyncGenerator(e) { return new _OverloadYield(e, 0); } function _wrapAsyncGenerator(e) { return function () { return new AsyncGenerator(e.apply(this, arguments)); }; } function AsyncGenerator(e) { var r, t; function resume(r, t) { try { var n = e[r](t), o = n.value, u = o instanceof _OverloadYield; Promise.resolve(u ? o.v : o).then(function (t) { if (u) { var i = "return" === r ? "return" : "next"; if (!o.k || t.done) return resume(i, t); t = e[i](t).value; } settle(n.done ? "return" : "normal", t); }, function (e) { resume("throw", e); }); } catch (e) { settle("throw", e); } } function settle(e, n) { switch (e) { case "return": r.resolve({ value: n, done: !0 }); break; case "throw": r.reject(n); break; default: r.resolve({ value: n, done: !1 }); } (r = r.next) ? resume(r.key, r.arg) : t = null; } this._invoke = function (e, n) { return new Promise(function (o, u) { var i = { key: e, arg: n, resolve: o, reject: u, next: null }; t ? t = t.next = i : (r = t = i, resume(e, n)); }); }, "function" != typeof e.return && (this.return = void 0); } AsyncGenerator.prototype["function" == typeof Symbol && Symbol.asyncIterator || "@@asyncIterator"] = function () { return this; }, AsyncGenerator.prototype.next = function (e) { return this._invoke("next", e); }, AsyncGenerator.prototype.throw = function (e) { return this._invoke("throw", e); }, AsyncGenerator.prototype.return = function (e) { return this._invoke("return", e); }; function _OverloadYield(e, d) { this.v = e, this.k = d; } /* eslint-disable */ // @ts-nocheck /** * * @param iterable MIT License * Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (https://sindresorhus.com) * * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * @param mapper * @param param2 * @returns */ function pMap(_x, _x2) { return _pMap.apply(this, arguments); } function _pMap() { _pMap = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee6(iterable, mapper) { var _ref, _ref$concurrency, concurrency, _ref$stopOnError, stopOnError, signal, _args6 = arguments; return _regeneratorRuntime().wrap(function _callee6$(_context6) { while (1) switch (_context6.prev = _context6.next) { case 0: _ref = _args6.length > 2 && _args6[2] !== undefined ? _args6[2] : {}, _ref$concurrency = _ref.concurrency, concurrency = _ref$concurrency === void 0 ? Number.POSITIVE_INFINITY : _ref$concurrency, _ref$stopOnError = _ref.stopOnError, stopOnError = _ref$stopOnError === void 0 ? true : _ref$stopOnError, signal = _ref.signal; return _context6.abrupt("return", new Promise(function (resolve_, reject_) { if (iterable[Symbol.iterator] === undefined && iterable[Symbol.asyncIterator] === undefined) { throw new TypeError("Expected `input` to be either an `Iterable` or `AsyncIterable`, got (".concat(_typeof(iterable), ")")); } if (typeof mapper !== 'function') { throw new TypeError('Mapper function is required'); } if (!(Number.isSafeInteger(concurrency) && concurrency >= 1 || concurrency === Number.POSITIVE_INFINITY)) { throw new TypeError("Expected `concurrency` to be an integer from 1 and up or `Infinity`, got `".concat(concurrency, "` (").concat(_typeof(concurrency), ")")); } var result = []; var errors = []; var skippedIndexesMap = new Map(); var isRejected = false; var isResolved = false; var isIterableDone = false; var resolvingCount = 0; var currentIndex = 0; var iterator = iterable[Symbol.iterator] === undefined ? iterable[Symbol.asyncIterator]() : iterable[Symbol.iterator](); var signalListener = function signalListener() { reject(signal.reason); }; var cleanup = function cleanup() { signal === null || signal === void 0 || signal.removeEventListener('abort', signalListener); }; var resolve = function resolve(value) { resolve_(value); cleanup(); }; var reject = function reject(reason) { isRejected = true; isResolved = true; reject_(reason); cleanup(); }; if (signal) { if (signal.aborted) { reject(signal.reason); } signal.addEventListener('abort', signalListener, { once: true }); } var _next2 = /*#__PURE__*/function () { var _ref5 = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee4() { var nextItem, index, pureResult, _iterator, _step, _step$value, _index2, value; return _regeneratorRuntime().wrap(function _callee4$(_context4) { while (1) switch (_context4.prev = _context4.next) { case 0: if (!isResolved) { _context4.next = 2; break; } return _context4.abrupt("return"); case 2: _context4.next = 4; return iterator.next(); case 4: nextItem = _context4.sent; index = currentIndex; currentIndex++; // Note: `iterator.next()` can be called many times in parallel. // This can cause multiple calls to this `next()` function to // receive a `nextItem` with `done === true`. // The shutdown logic that rejects/resolves must be protected // so it runs only one time as the `skippedIndex` logic is // non-idempotent. if (!nextItem.done) { _context4.next = 38; break; } isIterableDone = true; if (!(resolvingCount === 0 && !isResolved)) { _context4.next = 37; break; } if (!(!stopOnError && errors.length > 0)) { _context4.next = 13; break; } reject(new AggregateError(errors)); // eslint-disable-line unicorn/error-message return _context4.abrupt("return"); case 13: isResolved = true; if (!(skippedIndexesMap.size === 0)) { _context4.next = 17; break; } resolve(result); return _context4.abrupt("return"); case 17: pureResult = []; // Support multiple `pMapSkip`'s. _iterator = _createForOfIteratorHelper(result.entries()); _context4.prev = 19; _iterator.s(); case 21: if ((_step = _iterator.n()).done) { _context4.next = 28; break; } _step$value = _slicedToArray(_step.value, 2), _index2 = _step$value[0], value = _step$value[1]; if (!(skippedIndexesMap.get(_index2) === pMapSkip)) { _context4.next = 25; break; } return _context4.abrupt("continue", 26); case 25: pureResult.push(value); case 26: _context4.next = 21; break; case 28: _context4.next = 33; break; case 30: _context4.prev = 30; _context4.t0 = _context4["catch"](19); _iterator.e(_context4.t0); case 33: _context4.prev = 33; _iterator.f(); return _context4.finish(33); case 36: resolve(pureResult); case 37: return _context4.abrupt("return"); case 38: resolvingCount++; // Intentionally detached _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee3() { var element, _value; return _regeneratorRuntime().wrap(function _callee3$(_context3) { while (1) switch (_context3.prev = _context3.next) { case 0: _context3.prev = 0; _context3.next = 3; return nextItem.value; case 3: element = _context3.sent; if (!isResolved) { _context3.next = 6; break; } return _context3.abrupt("return"); case 6: _context3.next = 8; return mapper(element, index); case 8: _value = _context3.sent; // Use Map to stage the index of the element. if (_value === pMapSkip) { skippedIndexesMap.set(index, _value); } result[index] = _value; resolvingCount--; _context3.next = 14; return _next2(); case 14: _context3.next = 32; break; case 16: _context3.prev = 16; _context3.t0 = _context3["catch"](0); if (!stopOnError) { _context3.next = 22; break; } reject(_context3.t0); _context3.next = 32; break; case 22: errors.push(_context3.t0); resolvingCount--; // In that case we can't really continue regardless of `stopOnError` state // since an iterable is likely to continue throwing after it throws once. // If we continue calling `next()` indefinitely we will likely end up // in an infinite loop of failed iteration. _context3.prev = 24; _context3.next = 27; return _next2(); case 27: _context3.next = 32; break; case 29: _context3.prev = 29; _context3.t1 = _context3["catch"](24); reject(_context3.t1); case 32: case "end": return _context3.stop(); } }, _callee3, null, [[0, 16], [24, 29]]); }))(); case 40: case "end": return _context4.stop(); } }, _callee4, null, [[19, 30, 33, 36]]); })); return function next() { return _ref5.apply(this, arguments); }; }(); // Create the concurrent runners in a detached (non-awaited) // promise. We need this so we can await the `next()` calls // to stop creating runners before hitting the concurrency limit // if the iterable has already been marked as done. // NOTE: We *must* do this for async iterators otherwise we'll spin up // infinite `next()` calls by default and never start the event loop. _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee5() { var _index3; return _regeneratorRuntime().wrap(function _callee5$(_context5) { while (1) switch (_context5.prev = _context5.next) { case 0: _index3 = 0; case 1: if (!(_index3 < concurrency)) { _context5.next = 16; break; } _context5.prev = 2; _context5.next = 5; return _next2(); case 5: _context5.next = 11; break; case 7: _context5.prev = 7; _context5.t0 = _context5["catch"](2); reject(_context5.t0); return _context5.abrupt("break", 16); case 11: if (!(isIterableDone || isRejected)) { _context5.next = 13; break; } return _context5.abrupt("break", 16); case 13: _index3++; _context5.next = 1; break; case 16: case "end": return _context5.stop(); } }, _callee5, null, [[2, 7]]); }))(); })); case 2: case "end": return _context6.stop(); } }, _callee6); })); return _pMap.apply(this, arguments); } function pMapIterable(iterable, mapper) { var _ref2 = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {}, _ref2$concurrency = _ref2.concurrency, concurrency = _ref2$concurrency === void 0 ? Number.POSITIVE_INFINITY : _ref2$concurrency, _ref2$backpressure = _ref2.backpressure, backpressure = _ref2$backpressure === void 0 ? concurrency : _ref2$backpressure; if (iterable[Symbol.iterator] === undefined && iterable[Symbol.asyncIterator] === undefined) { throw new TypeError("Expected `input` to be either an `Iterable` or `AsyncIterable`, got (".concat(_typeof(iterable), ")")); } if (typeof mapper !== 'function') { throw new TypeError('Mapper function is required'); } if (!(Number.isSafeInteger(concurrency) && concurrency >= 1 || concurrency === Number.POSITIVE_INFINITY)) { throw new TypeError("Expected `concurrency` to be an integer from 1 and up or `Infinity`, got `".concat(concurrency, "` (").concat(_typeof(concurrency), ")")); } if (!(Number.isSafeInteger(backpressure) && backpressure >= concurrency || backpressure === Number.POSITIVE_INFINITY)) { throw new TypeError("Expected `backpressure` to be an integer from `concurrency` (".concat(concurrency, ") and up or `Infinity`, got `").concat(backpressure, "` (").concat(_typeof(backpressure), ")")); } return _defineProperty({}, Symbol.asyncIterator, function () { return _wrapAsyncGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee2() { var iterator, promises, runningMappersCount, isDone, index, trySpawn, _yield$_awaitAsyncGen, error, done, value; return _regeneratorRuntime().wrap(function _callee2$(_context2) { while (1) switch (_context2.prev = _context2.next) { case 0: trySpawn = function _trySpawn() { if (isDone || !(runningMappersCount < concurrency && promises.length < backpressure)) { return; } var promise = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee() { var _yield$iterator$next, done, value, returnValue, _index; return _regeneratorRuntime().wrap(function _callee$(_context) { while (1) switch (_context.prev = _context.next) { case 0: _context.next = 2; return iterator.next(); case 2: _yield$iterator$next = _context.sent; done = _yield$iterator$next.done; value = _yield$iterator$next.value; if (!done) { _context.next = 7; break; } return _context.abrupt("return", { done: true }); case 7: runningMappersCount++; // Spawn if still below concurrency and backpressure limit trySpawn(); _context.prev = 9; _context.t0 = mapper; _context.next = 13; return value; case 13: _context.t1 = _context.sent; _context.t2 = index++; _context.next = 17; return (0, _context.t0)(_context.t1, _context.t2); case 17: returnValue = _context.sent; runningMappersCount--; if (returnValue === pMapSkip) { _index = promises.indexOf(promise); if (_index > 0) { promises.splice(_index, 1); } } // Spawn if still below backpressure limit and just dropped below concurrency limit trySpawn(); return _context.abrupt("return", { done: false, value: returnValue }); case 24: _context.prev = 24; _context.t3 = _context["catch"](9); isDone = true; return _context.abrupt("return", { error: _context.t3 }); case 28: case "end": return _context.stop(); } }, _callee, null, [[9, 24]]); }))(); promises.push(promise); }; iterator = iterable[Symbol.asyncIterator] === undefined ? iterable[Symbol.iterator]() : iterable[Symbol.asyncIterator](); promises = []; runningMappersCount = 0; isDone = false; index = 0; trySpawn(); case 7: if (!(promises.length > 0)) { _context2.next = 26; break; } _context2.next = 10; return _awaitAsyncGenerator(promises[0]); case 10: _yield$_awaitAsyncGen = _context2.sent; error = _yield$_awaitAsyncGen.error; done = _yield$_awaitAsyncGen.done; value = _yield$_awaitAsyncGen.value; // eslint-disable-line no-await-in-loop promises.shift(); if (!error) { _context2.next = 17; break; } throw error; case 17: if (!done) { _context2.next = 19; break; } return _context2.abrupt("return"); case 19: // Spawn if just dropped below backpressure limit and below the concurrency limit trySpawn(); if (!(value === pMapSkip)) { _context2.next = 22; break; } return _context2.abrupt("continue", 7); case 22: _context2.next = 24; return value; case 24: _context2.next = 7; break; case 26: case "end": return _context2.stop(); } }, _callee2); }))(); }); } var pMapSkip = exports.pMapSkip = Symbol('skip'); //# sourceMappingURL=p-map.js.map