itertools-ts
Version:
Extended itertools port for TypeScript and JavaScript. Provides a huge set of functions for working with iterable collections (including async ones)
1,263 lines • 95.3 kB
JavaScript
"use strict";
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g = Object.create((typeof Iterator === "function" ? Iterator : Object).prototype);
return g.next = verb(0), g["throw"] = verb(1), g["return"] = verb(2), typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (g && (g = 0, op[0] && (_ = 0)), _) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
var __asyncValues = (this && this.__asyncValues) || function (o) {
if (!Symbol.asyncIterator) throw new TypeError("Symbol.asyncIterator is not defined.");
var m = o[Symbol.asyncIterator], i;
return m ? m.call(o) : (o = typeof __values === "function" ? __values(o) : o[Symbol.iterator](), i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.asyncIterator] = function () { return this; }, i);
function verb(n) { i[n] = o[n] && function (v) { return new Promise(function (resolve, reject) { v = o[n](v), settle(resolve, reject, v.done, v.value); }); }; }
function settle(resolve, reject, d, v) { Promise.resolve(v).then(function(v) { resolve({ value: v, done: d }); }, reject); }
};
var __await = (this && this.__await) || function (v) { return this instanceof __await ? (this.v = v, this) : new __await(v); }
var __asyncGenerator = (this && this.__asyncGenerator) || function (thisArg, _arguments, generator) {
if (!Symbol.asyncIterator) throw new TypeError("Symbol.asyncIterator is not defined.");
var g = generator.apply(thisArg, _arguments || []), i, q = [];
return i = Object.create((typeof AsyncIterator === "function" ? AsyncIterator : Object).prototype), verb("next"), verb("throw"), verb("return", awaitReturn), i[Symbol.asyncIterator] = function () { return this; }, i;
function awaitReturn(f) { return function (v) { return Promise.resolve(v).then(f, reject); }; }
function verb(n, f) { if (g[n]) { i[n] = function (v) { return new Promise(function (a, b) { q.push([n, v, a, b]) > 1 || resume(n, v); }); }; if (f) i[n] = f(i[n]); } }
function resume(n, v) { try { step(g[n](v)); } catch (e) { settle(q[0][3], e); } }
function step(r) { r.value instanceof __await ? Promise.resolve(r.value.v).then(fulfill, reject) : settle(q[0][2], r); }
function fulfill(value) { resume("next", value); }
function reject(value) { resume("throw", value); }
function settle(f, v) { if (f(v), q.shift(), q.length) resume(q[0][0], q[0][1]); }
};
var __values = (this && this.__values) || function(o) {
var s = typeof Symbol === "function" && Symbol.iterator, m = s && o[s], i = 0;
if (m) return m.call(o);
if (o && typeof o.length === "number") return {
next: function () {
if (o && i >= o.length) o = void 0;
return { value: o && o[i++], done: !o };
}
};
throw new TypeError(s ? "Object is not iterable." : "Symbol.iterator is not defined.");
};
var __read = (this && this.__read) || function (o, n) {
var m = typeof Symbol === "function" && o[Symbol.iterator];
if (!m) return o;
var i = m.call(o), r, ar = [], e;
try {
while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
}
catch (error) { e = { error: error }; }
finally {
try {
if (r && !r.done && (m = i["return"])) m.call(i);
}
finally { if (e) throw e.error; }
}
return ar;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.map = map;
exports.mapAsync = mapAsync;
exports.compress = compress;
exports.compressAsync = compressAsync;
exports.dropWhile = dropWhile;
exports.dropWhileAsync = dropWhileAsync;
exports.takeWhile = takeWhile;
exports.takeWhileAsync = takeWhileAsync;
exports.repeat = repeat;
exports.repeatAsync = repeatAsync;
exports.flatMap = flatMap;
exports.flatMapAsync = flatMapAsync;
exports.flatten = flatten;
exports.flattenAsync = flattenAsync;
exports.filter = filter;
exports.filterAsync = filterAsync;
exports.chunkwiseOverlap = chunkwiseOverlap;
exports.chunkwiseOverlapAsync = chunkwiseOverlapAsync;
exports.chunkwise = chunkwise;
exports.chunkwiseAsync = chunkwiseAsync;
exports.pairwise = pairwise;
exports.pairwiseAsync = pairwiseAsync;
exports.limit = limit;
exports.limitAsync = limitAsync;
exports.enumerate = enumerate;
exports.enumerateAsync = enumerateAsync;
exports.slice = slice;
exports.sliceAsync = sliceAsync;
exports.keys = keys;
exports.keysAsync = keysAsync;
exports.skip = skip;
exports.skipAsync = skipAsync;
exports.values = values;
exports.valuesAsync = valuesAsync;
exports.groupBy = groupBy;
exports.groupByAsync = groupByAsync;
exports.sort = sort;
exports.sortAsync = sortAsync;
var transform_1 = require("./transform");
var exceptions_1 = require("./exceptions");
var summary_1 = require("./summary");
var set_1 = require("./set");
var multi_1 = require("./multi");
/**
* Map a function onto every element of the iteration.
*
* @param data
* @param mapper
*/
function map(data, mapper) {
var _a, _b, datum, e_1_1;
var e_1, _c;
return __generator(this, function (_d) {
switch (_d.label) {
case 0:
_d.trys.push([0, 5, 6, 7]);
_a = __values((0, transform_1.toIterable)(data)), _b = _a.next();
_d.label = 1;
case 1:
if (!!_b.done) return [3 /*break*/, 4];
datum = _b.value;
return [4 /*yield*/, mapper(datum)];
case 2:
_d.sent();
_d.label = 3;
case 3:
_b = _a.next();
return [3 /*break*/, 1];
case 4: return [3 /*break*/, 7];
case 5:
e_1_1 = _d.sent();
e_1 = { error: e_1_1 };
return [3 /*break*/, 7];
case 6:
try {
if (_b && !_b.done && (_c = _a.return)) _c.call(_a);
}
finally { if (e_1) throw e_1.error; }
return [7 /*endfinally*/];
case 7: return [2 /*return*/];
}
});
}
/**
* Map a function onto every element of the iteration for async collections.
*
* Mapper may be also async.
*
* @param data
* @param mapper
*/
function mapAsync(data, mapper) {
return __asyncGenerator(this, arguments, function mapAsync_1() {
var _a, _b, _c, datum, e_2_1;
var _d, e_2, _e, _f;
return __generator(this, function (_g) {
switch (_g.label) {
case 0:
_g.trys.push([0, 8, 9, 14]);
_a = true, _b = __asyncValues((0, transform_1.toAsyncIterable)(data));
_g.label = 1;
case 1: return [4 /*yield*/, __await(_b.next())];
case 2:
if (!(_c = _g.sent(), _d = _c.done, !_d)) return [3 /*break*/, 7];
_f = _c.value;
_a = false;
datum = _f;
return [4 /*yield*/, __await(mapper(datum))];
case 3: return [4 /*yield*/, __await.apply(void 0, [_g.sent()])];
case 4: return [4 /*yield*/, _g.sent()];
case 5:
_g.sent();
_g.label = 6;
case 6:
_a = true;
return [3 /*break*/, 1];
case 7: return [3 /*break*/, 14];
case 8:
e_2_1 = _g.sent();
e_2 = { error: e_2_1 };
return [3 /*break*/, 14];
case 9:
_g.trys.push([9, , 12, 13]);
if (!(!_a && !_d && (_e = _b.return))) return [3 /*break*/, 11];
return [4 /*yield*/, __await(_e.call(_b))];
case 10:
_g.sent();
_g.label = 11;
case 11: return [3 /*break*/, 13];
case 12:
if (e_2) throw e_2.error;
return [7 /*endfinally*/];
case 13: return [7 /*endfinally*/];
case 14: return [2 /*return*/];
}
});
});
}
/**
* Compress an iterable by filtering out data that is not selected.
*
* Selectors indicate which data. True value selects item. False value filters out data.
*
* @param data
* @param selectors
*/
function compress(data, selectors) {
var _a, _b, _c, datum, selector, e_3_1;
var e_3, _d;
return __generator(this, function (_e) {
switch (_e.label) {
case 0:
_e.trys.push([0, 5, 6, 7]);
_a = __values((0, multi_1.zip)(data, selectors)), _b = _a.next();
_e.label = 1;
case 1:
if (!!_b.done) return [3 /*break*/, 4];
_c = __read(_b.value, 2), datum = _c[0], selector = _c[1];
if (!selector) return [3 /*break*/, 3];
return [4 /*yield*/, datum];
case 2:
_e.sent();
_e.label = 3;
case 3:
_b = _a.next();
return [3 /*break*/, 1];
case 4: return [3 /*break*/, 7];
case 5:
e_3_1 = _e.sent();
e_3 = { error: e_3_1 };
return [3 /*break*/, 7];
case 6:
try {
if (_b && !_b.done && (_d = _a.return)) _d.call(_a);
}
finally { if (e_3) throw e_3.error; }
return [7 /*endfinally*/];
case 7: return [2 /*return*/];
}
});
}
/**
* Compress an async iterable by filtering out data that is not selected.
*
* Selectors indicate which data. True value selects item. False value filters out data.
*
* Selectors may be also async collection.
*
* @param data
* @param selectors
*/
function compressAsync(data, selectors) {
return __asyncGenerator(this, arguments, function compressAsync_1() {
var _a, _b, _c, _d, datum, selector, e_4_1;
var _e, e_4, _f, _g;
return __generator(this, function (_h) {
switch (_h.label) {
case 0:
_h.trys.push([0, 7, 8, 13]);
_a = true, _b = __asyncValues((0, multi_1.zipAsync)(data, selectors));
_h.label = 1;
case 1: return [4 /*yield*/, __await(_b.next())];
case 2:
if (!(_c = _h.sent(), _e = _c.done, !_e)) return [3 /*break*/, 6];
_g = _c.value;
_a = false;
_d = __read(_g, 2), datum = _d[0], selector = _d[1];
if (!selector) return [3 /*break*/, 5];
return [4 /*yield*/, __await(datum)];
case 3: return [4 /*yield*/, _h.sent()];
case 4:
_h.sent();
_h.label = 5;
case 5:
_a = true;
return [3 /*break*/, 1];
case 6: return [3 /*break*/, 13];
case 7:
e_4_1 = _h.sent();
e_4 = { error: e_4_1 };
return [3 /*break*/, 13];
case 8:
_h.trys.push([8, , 11, 12]);
if (!(!_a && !_e && (_f = _b.return))) return [3 /*break*/, 10];
return [4 /*yield*/, __await(_f.call(_b))];
case 9:
_h.sent();
_h.label = 10;
case 10: return [3 /*break*/, 12];
case 11:
if (e_4) throw e_4.error;
return [7 /*endfinally*/];
case 12: return [7 /*endfinally*/];
case 13: return [2 /*return*/];
}
});
});
}
/**
* Drop elements from the iterable while the predicate function is true.
*
* Once the predicate function returns false once, all remaining elements are returned.
*
* @param data
* @param predicate
*/
function dropWhile(data, predicate) {
var drop, _a, _b, datum, e_5_1;
var e_5, _c;
return __generator(this, function (_d) {
switch (_d.label) {
case 0:
drop = true;
_d.label = 1;
case 1:
_d.trys.push([1, 9, 10, 11]);
_a = __values((0, transform_1.toIterable)(data)), _b = _a.next();
_d.label = 2;
case 2:
if (!!_b.done) return [3 /*break*/, 8];
datum = _b.value;
if (!drop) return [3 /*break*/, 5];
if (!!predicate(datum)) return [3 /*break*/, 4];
drop = false;
return [4 /*yield*/, datum];
case 3:
_d.sent();
return [3 /*break*/, 7];
case 4: return [3 /*break*/, 7];
case 5: return [4 /*yield*/, datum];
case 6:
_d.sent();
_d.label = 7;
case 7:
_b = _a.next();
return [3 /*break*/, 2];
case 8: return [3 /*break*/, 11];
case 9:
e_5_1 = _d.sent();
e_5 = { error: e_5_1 };
return [3 /*break*/, 11];
case 10:
try {
if (_b && !_b.done && (_c = _a.return)) _c.call(_a);
}
finally { if (e_5) throw e_5.error; }
return [7 /*endfinally*/];
case 11: return [2 /*return*/];
}
});
}
/**
* Drop elements from the async iterable while the predicate function is true.
*
* Once the predicate function returns false once, all remaining elements are returned.
*
* Predicate may be also async.
*
* @param data
* @param predicate
*/
function dropWhileAsync(data, predicate) {
return __asyncGenerator(this, arguments, function dropWhileAsync_1() {
var drop, _a, _b, _c, datum, e_6_1;
var _d, e_6, _e, _f;
return __generator(this, function (_g) {
switch (_g.label) {
case 0:
drop = true;
_g.label = 1;
case 1:
_g.trys.push([1, 13, 14, 19]);
_a = true, _b = __asyncValues((0, transform_1.toAsyncIterable)(data));
_g.label = 2;
case 2: return [4 /*yield*/, __await(_b.next())];
case 3:
if (!(_c = _g.sent(), _d = _c.done, !_d)) return [3 /*break*/, 12];
_f = _c.value;
_a = false;
datum = _f;
if (!drop) return [3 /*break*/, 8];
return [4 /*yield*/, __await(predicate(datum))];
case 4:
if (!!(_g.sent())) return [3 /*break*/, 7];
drop = false;
return [4 /*yield*/, __await(datum)];
case 5: return [4 /*yield*/, _g.sent()];
case 6:
_g.sent();
return [3 /*break*/, 11];
case 7: return [3 /*break*/, 11];
case 8: return [4 /*yield*/, __await(datum)];
case 9: return [4 /*yield*/, _g.sent()];
case 10:
_g.sent();
_g.label = 11;
case 11:
_a = true;
return [3 /*break*/, 2];
case 12: return [3 /*break*/, 19];
case 13:
e_6_1 = _g.sent();
e_6 = { error: e_6_1 };
return [3 /*break*/, 19];
case 14:
_g.trys.push([14, , 17, 18]);
if (!(!_a && !_d && (_e = _b.return))) return [3 /*break*/, 16];
return [4 /*yield*/, __await(_e.call(_b))];
case 15:
_g.sent();
_g.label = 16;
case 16: return [3 /*break*/, 18];
case 17:
if (e_6) throw e_6.error;
return [7 /*endfinally*/];
case 18: return [7 /*endfinally*/];
case 19: return [2 /*return*/];
}
});
});
}
/**
* Return elements from the iterable as long as the predicate is true.
*
* If no predicate is provided, the boolean value of the data is used.
*
* @param data
* @param predicate
*/
function takeWhile(data, predicate) {
var _a, _b, datum, e_7_1;
var e_7, _c;
return __generator(this, function (_d) {
switch (_d.label) {
case 0:
_d.trys.push([0, 6, 7, 8]);
_a = __values((0, transform_1.toIterable)(data)), _b = _a.next();
_d.label = 1;
case 1:
if (!!_b.done) return [3 /*break*/, 5];
datum = _b.value;
if (!predicate(datum)) return [3 /*break*/, 3];
return [4 /*yield*/, datum];
case 2:
_d.sent();
return [3 /*break*/, 4];
case 3: return [3 /*break*/, 5];
case 4:
_b = _a.next();
return [3 /*break*/, 1];
case 5: return [3 /*break*/, 8];
case 6:
e_7_1 = _d.sent();
e_7 = { error: e_7_1 };
return [3 /*break*/, 8];
case 7:
try {
if (_b && !_b.done && (_c = _a.return)) _c.call(_a);
}
finally { if (e_7) throw e_7.error; }
return [7 /*endfinally*/];
case 8: return [2 /*return*/];
}
});
}
/**
* Return elements from the async iterable as long as the predicate is true.
*
* Predicate may be also async.
*
* If no predicate is provided, the boolean value of the data is used.
*
* @param data
* @param predicate
*/
function takeWhileAsync(data, predicate) {
return __asyncGenerator(this, arguments, function takeWhileAsync_1() {
var _a, _b, _c, datum, e_8_1;
var _d, e_8, _e, _f;
return __generator(this, function (_g) {
switch (_g.label) {
case 0:
_g.trys.push([0, 9, 10, 15]);
_a = true, _b = __asyncValues((0, transform_1.toAsyncIterable)(data));
_g.label = 1;
case 1: return [4 /*yield*/, __await(_b.next())];
case 2:
if (!(_c = _g.sent(), _d = _c.done, !_d)) return [3 /*break*/, 8];
_f = _c.value;
_a = false;
datum = _f;
return [4 /*yield*/, __await(predicate(datum))];
case 3:
if (!_g.sent()) return [3 /*break*/, 6];
return [4 /*yield*/, __await(datum)];
case 4: return [4 /*yield*/, _g.sent()];
case 5:
_g.sent();
return [3 /*break*/, 7];
case 6: return [3 /*break*/, 8];
case 7:
_a = true;
return [3 /*break*/, 1];
case 8: return [3 /*break*/, 15];
case 9:
e_8_1 = _g.sent();
e_8 = { error: e_8_1 };
return [3 /*break*/, 15];
case 10:
_g.trys.push([10, , 13, 14]);
if (!(!_a && !_d && (_e = _b.return))) return [3 /*break*/, 12];
return [4 /*yield*/, __await(_e.call(_b))];
case 11:
_g.sent();
_g.label = 12;
case 12: return [3 /*break*/, 14];
case 13:
if (e_8) throw e_8.error;
return [7 /*endfinally*/];
case 14: return [7 /*endfinally*/];
case 15: return [2 /*return*/];
}
});
});
}
/**
* Repeat an item.
*
* @param item
* @param repetitions
*/
function repeat(item, repetitions) {
var i;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
if (repetitions < 0) {
throw new exceptions_1.InvalidArgumentError("Number of repetitions cannot be negative: ".concat(repetitions));
}
i = repetitions;
_a.label = 1;
case 1:
if (!(i > 0)) return [3 /*break*/, 4];
return [4 /*yield*/, item];
case 2:
_a.sent();
_a.label = 3;
case 3:
--i;
return [3 /*break*/, 1];
case 4: return [2 /*return*/];
}
});
}
/**
* Repeat an item given as promise.
*
* @param item
* @param repetitions
*/
function repeatAsync(item, repetitions) {
return __asyncGenerator(this, arguments, function repeatAsync_1() {
var value, i;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
if (repetitions < 0) {
throw new exceptions_1.InvalidArgumentError("Number of repetitions cannot be negative: ".concat(repetitions));
}
return [4 /*yield*/, __await(item)];
case 1:
value = _a.sent();
i = repetitions;
_a.label = 2;
case 2:
if (!(i > 0)) return [3 /*break*/, 6];
return [4 /*yield*/, __await(value)];
case 3: return [4 /*yield*/, _a.sent()];
case 4:
_a.sent();
_a.label = 5;
case 5:
--i;
return [3 /*break*/, 2];
case 6: return [2 /*return*/];
}
});
});
}
/**
* Returns a new collection formed by applying a given callback mapper function to each element
* of the given collection, and then flattening the result by one level.
*
* The mapper function can return scalar or collections as a result.
*
* @param data
* @param mapper
*/
function flatMap(data, mapper) {
var _a, _b, datum, unflattened, _c, _d, flattenedItem, e_9_1, e_10_1;
var e_10, _e, e_9, _f;
return __generator(this, function (_g) {
switch (_g.label) {
case 0:
_g.trys.push([0, 14, 15, 16]);
_a = __values((0, transform_1.toIterable)(data)), _b = _a.next();
_g.label = 1;
case 1:
if (!!_b.done) return [3 /*break*/, 13];
datum = _b.value;
unflattened = mapper(datum, mapper);
if (!(0, summary_1.isIterable)(unflattened)) return [3 /*break*/, 10];
_g.label = 2;
case 2:
_g.trys.push([2, 7, 8, 9]);
_c = (e_9 = void 0, __values((0, transform_1.toIterable)(unflattened))), _d = _c.next();
_g.label = 3;
case 3:
if (!!_d.done) return [3 /*break*/, 6];
flattenedItem = _d.value;
return [4 /*yield*/, flattenedItem];
case 4:
_g.sent();
_g.label = 5;
case 5:
_d = _c.next();
return [3 /*break*/, 3];
case 6: return [3 /*break*/, 9];
case 7:
e_9_1 = _g.sent();
e_9 = { error: e_9_1 };
return [3 /*break*/, 9];
case 8:
try {
if (_d && !_d.done && (_f = _c.return)) _f.call(_c);
}
finally { if (e_9) throw e_9.error; }
return [7 /*endfinally*/];
case 9: return [3 /*break*/, 12];
case 10: return [4 /*yield*/, unflattened];
case 11:
_g.sent();
_g.label = 12;
case 12:
_b = _a.next();
return [3 /*break*/, 1];
case 13: return [3 /*break*/, 16];
case 14:
e_10_1 = _g.sent();
e_10 = { error: e_10_1 };
return [3 /*break*/, 16];
case 15:
try {
if (_b && !_b.done && (_e = _a.return)) _e.call(_a);
}
finally { if (e_10) throw e_10.error; }
return [7 /*endfinally*/];
case 16: return [2 /*return*/];
}
});
}
/**
* Returns a new async collection formed by applying a given callback mapper function to each element
* of the given async collection, and then flattening the result by one level.
*
* The mapper function can return scalar or collections as a result.
*
* The mapper function may be also async.
*
* @param data
* @param mapper
*/
function flatMapAsync(data, mapper) {
return __asyncGenerator(this, arguments, function flatMapAsync_1() {
var _a, _b, _c, datum, unflattened, _d, _e, _f, flattenedItem, e_11_1, e_12_1;
var _g, e_12, _h, _j, _k, e_11, _l, _m;
return __generator(this, function (_o) {
switch (_o.label) {
case 0:
_o.trys.push([0, 23, 24, 29]);
_a = true, _b = __asyncValues((0, transform_1.toAsyncIterable)(data));
_o.label = 1;
case 1: return [4 /*yield*/, __await(_b.next())];
case 2:
if (!(_c = _o.sent(), _g = _c.done, !_g)) return [3 /*break*/, 22];
_j = _c.value;
_a = false;
datum = _j;
return [4 /*yield*/, __await(mapper(datum, mapper))];
case 3:
unflattened = _o.sent();
if (!((0, summary_1.isIterable)(unflattened) || (0, summary_1.isAsyncIterable)(unflattened))) return [3 /*break*/, 18];
_o.label = 4;
case 4:
_o.trys.push([4, 11, 12, 17]);
_d = true, _e = (e_11 = void 0, __asyncValues((0, transform_1.toAsyncIterable)(unflattened)));
_o.label = 5;
case 5: return [4 /*yield*/, __await(_e.next())];
case 6:
if (!(_f = _o.sent(), _k = _f.done, !_k)) return [3 /*break*/, 10];
_m = _f.value;
_d = false;
flattenedItem = _m;
return [4 /*yield*/, __await(flattenedItem)];
case 7: return [4 /*yield*/, _o.sent()];
case 8:
_o.sent();
_o.label = 9;
case 9:
_d = true;
return [3 /*break*/, 5];
case 10: return [3 /*break*/, 17];
case 11:
e_11_1 = _o.sent();
e_11 = { error: e_11_1 };
return [3 /*break*/, 17];
case 12:
_o.trys.push([12, , 15, 16]);
if (!(!_d && !_k && (_l = _e.return))) return [3 /*break*/, 14];
return [4 /*yield*/, __await(_l.call(_e))];
case 13:
_o.sent();
_o.label = 14;
case 14: return [3 /*break*/, 16];
case 15:
if (e_11) throw e_11.error;
return [7 /*endfinally*/];
case 16: return [7 /*endfinally*/];
case 17: return [3 /*break*/, 21];
case 18: return [4 /*yield*/, __await(unflattened)];
case 19: return [4 /*yield*/, _o.sent()];
case 20:
_o.sent();
_o.label = 21;
case 21:
_a = true;
return [3 /*break*/, 1];
case 22: return [3 /*break*/, 29];
case 23:
e_12_1 = _o.sent();
e_12 = { error: e_12_1 };
return [3 /*break*/, 29];
case 24:
_o.trys.push([24, , 27, 28]);
if (!(!_a && !_g && (_h = _b.return))) return [3 /*break*/, 26];
return [4 /*yield*/, __await(_h.call(_b))];
case 25:
_o.sent();
_o.label = 26;
case 26: return [3 /*break*/, 28];
case 27:
if (e_12) throw e_12.error;
return [7 /*endfinally*/];
case 28: return [7 /*endfinally*/];
case 29: return [2 /*return*/];
}
});
});
}
/**
* Flatten an iterable by a number of dimensions.
*
* Ex: [[1, 2], [3, 4], 5] => [1, 2, 3, 4, 5] // Flattened by one dimension
*
* @param data
* @param dimensions
*/
function flatten(data, dimensions) {
var _a, _b, datum, e_13_1, _c, _d, datum, _e, _f, subDatum, e_14_1, e_15_1;
var e_13, _g, e_15, _h, e_14, _j;
if (dimensions === void 0) { dimensions = Infinity; }
return __generator(this, function (_k) {
switch (_k.label) {
case 0:
if (!(dimensions < 1)) return [3 /*break*/, 9];
_k.label = 1;
case 1:
_k.trys.push([1, 6, 7, 8]);
_a = __values((0, transform_1.toIterable)(data)), _b = _a.next();
_k.label = 2;
case 2:
if (!!_b.done) return [3 /*break*/, 5];
datum = _b.value;
if (data instanceof Map) {
datum = datum[1];
}
return [4 /*yield*/, datum];
case 3:
_k.sent();
_k.label = 4;
case 4:
_b = _a.next();
return [3 /*break*/, 2];
case 5: return [3 /*break*/, 8];
case 6:
e_13_1 = _k.sent();
e_13 = { error: e_13_1 };
return [3 /*break*/, 8];
case 7:
try {
if (_b && !_b.done && (_g = _a.return)) _g.call(_a);
}
finally { if (e_13) throw e_13.error; }
return [7 /*endfinally*/];
case 8: return [2 /*return*/];
case 9:
_k.trys.push([9, 23, 24, 25]);
_c = __values((0, transform_1.toIterable)(data)), _d = _c.next();
_k.label = 10;
case 10:
if (!!_d.done) return [3 /*break*/, 22];
datum = _d.value;
if (data instanceof Map) {
datum = datum[1];
}
if (!(((0, summary_1.isIterable)(datum) || (0, summary_1.isIterator)(datum)) && !(0, summary_1.isString)(datum))) return [3 /*break*/, 19];
_k.label = 11;
case 11:
_k.trys.push([11, 16, 17, 18]);
_e = (e_14 = void 0, __values(flatten(datum, dimensions - 1))), _f = _e.next();
_k.label = 12;
case 12:
if (!!_f.done) return [3 /*break*/, 15];
subDatum = _f.value;
return [4 /*yield*/, subDatum];
case 13:
_k.sent();
_k.label = 14;
case 14:
_f = _e.next();
return [3 /*break*/, 12];
case 15: return [3 /*break*/, 18];
case 16:
e_14_1 = _k.sent();
e_14 = { error: e_14_1 };
return [3 /*break*/, 18];
case 17:
try {
if (_f && !_f.done && (_j = _e.return)) _j.call(_e);
}
finally { if (e_14) throw e_14.error; }
return [7 /*endfinally*/];
case 18: return [3 /*break*/, 21];
case 19: return [4 /*yield*/, datum];
case 20:
_k.sent();
_k.label = 21;
case 21:
_d = _c.next();
return [3 /*break*/, 10];
case 22: return [3 /*break*/, 25];
case 23:
e_15_1 = _k.sent();
e_15 = { error: e_15_1 };
return [3 /*break*/, 25];
case 24:
try {
if (_d && !_d.done && (_h = _c.return)) _h.call(_c);
}
finally { if (e_15) throw e_15.error; }
return [7 /*endfinally*/];
case 25: return [2 /*return*/];
}
});
}
/**
* Flatten an async iterable by a number of dimensions.
*
* Ex: [[1, 2], [3, 4], 5] => [1, 2, 3, 4, 5] // Flattened by one dimension
*
* @param data
* @param dimensions
*/
function flattenAsync(data_1) {
return __asyncGenerator(this, arguments, function flattenAsync_1(data, dimensions) {
var _a, _b, _c, datum, e_16_1, _d, _e, _f, datum, _g, _h, _j, subDatum, e_17_1, e_18_1;
var _k, e_16, _l, _m, _o, e_18, _p, _q, _r, e_17, _s, _t;
if (dimensions === void 0) { dimensions = Infinity; }
return __generator(this, function (_u) {
switch (_u.label) {
case 0:
if (!(dimensions < 1)) return [3 /*break*/, 16];
_u.label = 1;
case 1:
_u.trys.push([1, 8, 9, 14]);
_a = true, _b = __asyncValues((0, transform_1.toAsyncIterable)(data));
_u.label = 2;
case 2: return [4 /*yield*/, __await(_b.next())];
case 3:
if (!(_c = _u.sent(), _k = _c.done, !_k)) return [3 /*break*/, 7];
_m = _c.value;
_a = false;
datum = _m;
if (data instanceof Map) {
datum = datum[1];
}
return [4 /*yield*/, __await(datum)];
case 4: return [4 /*yield*/, _u.sent()];
case 5:
_u.sent();
_u.label = 6;
case 6:
_a = true;
return [3 /*break*/, 2];
case 7: return [3 /*break*/, 14];
case 8:
e_16_1 = _u.sent();
e_16 = { error: e_16_1 };
return [3 /*break*/, 14];
case 9:
_u.trys.push([9, , 12, 13]);
if (!(!_a && !_k && (_l = _b.return))) return [3 /*break*/, 11];
return [4 /*yield*/, __await(_l.call(_b))];
case 10:
_u.sent();
_u.label = 11;
case 11: return [3 /*break*/, 13];
case 12:
if (e_16) throw e_16.error;
return [7 /*endfinally*/];
case 13: return [7 /*endfinally*/];
case 14: return [4 /*yield*/, __await(void 0)];
case 15: return [2 /*return*/, _u.sent()];
case 16:
_u.trys.push([16, 38, 39, 44]);
_d = true, _e = __asyncValues((0, transform_1.toAsyncIterable)(data));
_u.label = 17;
case 17: return [4 /*yield*/, __await(_e.next())];
case 18:
if (!(_f = _u.sent(), _o = _f.done, !_o)) return [3 /*break*/, 37];
_q = _f.value;
_d = false;
datum = _q;
if (data instanceof Map) {
datum = datum[1];
}
if (!(((0, summary_1.isAsyncIterable)(datum) || (0, summary_1.isIterable)(datum) || (0, summary_1.isIterator)(datum)) && !(0, summary_1.isString)(datum))) return [3 /*break*/, 33];
_u.label = 19;
case 19:
_u.trys.push([19, 26, 27, 32]);
_g = true, _h = (e_17 = void 0, __asyncValues(flattenAsync(datum, dimensions - 1)));
_u.label = 20;
case 20: return [4 /*yield*/, __await(_h.next())];
case 21:
if (!(_j = _u.sent(), _r = _j.done, !_r)) return [3 /*break*/, 25];
_t = _j.value;
_g = false;
subDatum = _t;
return [4 /*yield*/, __await(subDatum)];
case 22: return [4 /*yield*/, _u.sent()];
case 23:
_u.sent();
_u.label = 24;
case 24:
_g = true;
return [3 /*break*/, 20];
case 25: return [3 /*break*/, 32];
case 26:
e_17_1 = _u.sent();
e_17 = { error: e_17_1 };
return [3 /*break*/, 32];
case 27:
_u.trys.push([27, , 30, 31]);
if (!(!_g && !_r && (_s = _h.return))) return [3 /*break*/, 29];
return [4 /*yield*/, __await(_s.call(_h))];
case 28:
_u.sent();
_u.label = 29;
case 29: return [3 /*break*/, 31];
case 30:
if (e_17) throw e_17.error;
return [7 /*endfinally*/];
case 31: return [7 /*endfinally*/];
case 32: return [3 /*break*/, 36];
case 33: return [4 /*yield*/, __await(datum)];
case 34: return [4 /*yield*/, _u.sent()];
case 35:
_u.sent();
_u.label = 36;
case 36:
_d = true;
return [3 /*break*/, 17];
case 37: return [3 /*break*/, 44];
case 38:
e_18_1 = _u.sent();
e_18 = { error: e_18_1 };
return [3 /*break*/, 44];
case 39:
_u.trys.push([39, , 42, 43]);
if (!(!_d && !_o && (_p = _e.return))) return [3 /*break*/, 41];
return [4 /*yield*/, __await(_p.call(_e))];
case 40:
_u.sent();
_u.label = 41;
case 41: return [3 /*break*/, 43];
case 42:
if (e_18) throw e_18.error;
return [7 /*endfinally*/];
case 43: return [7 /*endfinally*/];
case 44: return [2 /*return*/];
}
});
});
}
/**
* Filter out elements from the iterable only returning elements where there predicate function is true.
*
* @param data
* @param predicate
*/
function filter(data, predicate) {
var _a, _b, datum, e_19_1;
var e_19, _c;
return __generator(this, function (_d) {
switch (_d.label) {
case 0:
_d.trys.push([0, 5, 6, 7]);
_a = __values((0, transform_1.toIterable)(data)), _b = _a.next();
_d.label = 1;
case 1:
if (!!_b.done) return [3 /*break*/, 4];
datum = _b.value;
if (!predicate(datum)) return [3 /*break*/, 3];
return [4 /*yield*/, datum];
case 2:
_d.sent();
_d.label = 3;
case 3:
_b = _a.next();
return [3 /*break*/, 1];
case 4: return [3 /*break*/, 7];
case 5:
e_19_1 = _d.sent();
e_19 = { error: e_19_1 };
return [3 /*break*/, 7];
case 6:
try {
if (_b && !_b.done && (_c = _a.return)) _c.call(_a);
}
finally { if (e_19) throw e_19.error; }
return [7 /*endfinally*/];
case 7: return [2 /*return*/];
}
});
}
/**
* Filter out elements from the async iterable only returning elements where there predicate function is true.
*
* Predicate may be also async.
*
* @param data
* @param predicate
*/
function filterAsync(data, predicate) {
return __asyncGenerator(this, arguments, function filterAsync_1() {
var _a, _b, _c, datum, e_20_1;
var _d, e_20, _e, _f;
return __generator(this, function (_g) {
switch (_g.label) {
case 0:
_g.trys.push([0, 8, 9, 14]);
_a = true, _b = __asyncValues((0, transform_1.toAsyncIterable)(data));
_g.label = 1;
case 1: return [4 /*yield*/, __await(_b.next())];
case 2:
if (!(_c = _g.sent(), _d = _c.done, !_d)) return [3 /*break*/, 7];
_f = _c.value;
_a = false;
datum = _f;
return [4 /*yield*/, __await(predicate(datum))];
case 3:
if (!_g.sent()) return [3 /*break*/, 6];
return [4 /*yield*/, __await(datum)];
case 4: return [4 /*yield*/, _g.sent()];
case 5:
_g.sent();
_g.label = 6;
case 6:
_a = true;
return [3 /*break*/, 1];
case 7: return [3 /*break*/, 14];
case 8:
e_20_1 = _g.sent();
e_20 = { error: e_20_1 };
return [3 /*break*/, 14];
case 9:
_g.trys.push([9, , 12, 13]);
if (!(!_a && !_d && (_e = _b.return))) return [3 /*break*/, 11];
return [4 /*yield*/, __await(_e.call(_b))];
case 10:
_g.sent();
_g.label = 11;
case 11: return [3 /*break*/, 13];
case 12:
if (e_20) throw e_20.error;
return [7 /*endfinally*/];
case 13: return [7 /*endfinally*/];
case 14: return [2 /*return*/];
}
});
});
}
/**
* Return overlapped chunks of elements from given collection.
*
* Chunk size must be at least 1.
*
* Overlap size must be less than chunk size.
*
* @param data
* @param chunkSize
* @param overlapSize
* @param includeIncompleteTail
*/
function chunkwiseOverlap(data, chunkSize, overlapSize, includeIncompleteTail) {
var chunk, isLastIterationYielded, _a, _b, datum, e_21_1;
var e_21, _c;
if (includeIncompleteTail === void 0) { includeIncompleteTail = true; }
return __generator(this, function (_d) {
switch (_d.label) {
case 0:
if (chunkSize < 1) {
throw new exceptions_1.InvalidArgumentError("Chunk size must be \u2265 1. Got ".concat(chunkSize));
}
if (overlapSize >= chunkSize) {
throw new exceptions_1.InvalidArgumentError("Overlap size must be less than chunk size");
}
chunk = [];
isLastIterationYielded = false;
_d.label = 1;
case 1:
_d.trys.push([1, 6, 7, 8]);
_a = __values((0, transform_1.toIterable)(data)), _b = _a.next();
_d.label = 2;
case 2:
if (!!_b.done) return [3 /*break*/, 5];
datum = _b.value;
isLastIterationYielded = false;
chunk.push(datum);
if (!(chunk.length === chunkSize)) return [3 /*break*/, 4];
return [4 /*yield*/, chunk];
case 3:
_d.sent();
chunk = chunk.slice(chunkSize - overlapSize);
isLastIterationYielded = true;
_d.label = 4;
case 4:
_b = _a.next();
return [3 /*break*/, 2];
case 5: return [3 /*break*/, 8];
case 6:
e_21_1 = _d.sent();
e_21 = { error: e_21_1 };
return [3 /*break*/, 8];
case 7:
try {
if (_b && !_b.done && (_c = _a.return)) _c.call(_a);
}
finally { if (e_21) throw e_21.error; }
return [7 /*endfinally*/];
case 8:
if (!(!isLastIterationYielded && chunk.length > 0 && includeIncompleteTail)) return [3 /*break*/, 10];
return [4 /*yield*/, chunk];
case 9:
_d.sent();
_d.label = 10;
case 10: return [2 /*return*/];
}
});
}
/**
* Return overlapped chunks of elements from given async collection.
*
* Chunk size must be at least 1.
*
* Overlap size must be less than chunk size.
*
* @param data
* @param chunkSize
* @param overlapSize
* @param includeIncompleteTail
*/
function chunkwiseOverlapAsync(data_1, chunkSize_1, overlapSize_1) {
return __asyncGenerator(this, arguments, function chunkwiseOverlapAsync_1(data, chunkSize, overlapSize, includeIncompleteTail) {
var chunk, isLastIterationYielded, _a, _b, _c, datum, e_22_1;
var _d, e_22, _e, _f;
if (includeIncompleteTail === void 0) { includeIncompleteTail = true; }
return __generator(this, function (_g) {
switch (_g.label) {
case 0:
if (chunkSize < 1) {
throw new exceptions_1.InvalidArgumentError("Chunk size must be \u2265 1. Got ".concat(chunkSize));
}
if (overlapSize >= chunkSize) {
throw new exceptions_1.InvalidArgumentError("Overlap size must be less than chunk size");
}
chunk = [];
isLastIterationYielded = false;
_g.label = 1;
case 1:
_g.trys.push([1, 8, 9, 14]);
_a = true, _b = __asyncValues((0, transform_1.toAsyncIterable)(data));
_g.label = 2;
case 2: return [4 /*yield*/, __await(_b.next())];
case 3:
if (!(_c = _g.sent(), _d = _c.done, !_d)) return [3 /*break*/, 7];
_f = _c.value;
_a = false;
datum = _f;
isLastIterationYielded = false;
chunk.push(datum);
if (!(chunk.length === chunkSize)) return [3 /*break*/, 6];
return [4 /*yield*/, __await(chunk)];
case 4: return [4 /*yield*/, _g.sent()];
case 5:
_g.sent();
chunk = chunk.slice(chunkSize - overlapSize);
isLastIterationYielded = true;
_g.label = 6;
case 6:
_a = true;
return [3 /*break*/, 2];
case 7: return [3 /*break*/, 14];
case 8:
e_22_1 = _g.sent();
e_22 = { error: e_22_1 };
return [3 /*break*/, 14];
case 9:
_g.trys.push([9, , 12, 13]);
if (!(!_a && !_d && (_e = _b.return))) return [3 /*break*/, 11];
return [4 /*yield*/, __await(_e.call(_b))];
case 10:
_g.sent();
_g.label = 11;
case 11: return [3 /*break*/, 13];
case 12:
if (e_22) throw e_22.error;
return [7 /*endfinally*/];
case 13: return [7 /*endfinally*/];
case 14:
if (!(!isLastIterationYielded && chunk.length > 0 && includeIncompleteTail)) return [3 /*break*/, 17];
return [4 /*yield*/, __await(chunk)];
case 15: return [4 /*yield*/, _g.sent()];
case 16:
_g.sent();
_g.label = 17;
case 1