lazzy.ts/lazy.js

Fast and lightweight library for lazy operations with iterable objects.

"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
const chain_1 = require("./chain");
const λ = __importStar(require("./generators"));
const isIterable = (it) => {
    const type = typeof it;
    return type === "string" || (it != null && (typeof it === "object" || typeof it === "function") && typeof Reflect.get(it, Symbol.iterator) === "function");
};
const isIterableAsync = (it) => {
    return (it != null && (typeof it === "object" || typeof it === "function") && typeof Reflect.get(it, Symbol.asyncIterator) === "function");
};
class Lazy {
    circular(iterable) {
        return new chain_1.Chain(λ.circular(iterable));
    }
    from(source) {
        return isIterable(source) ? new chain_1.Chain(source[Symbol.iterator]()) : new chain_1.Chain(source);
    }
    fromAsync(source) {
        return isIterableAsync(source) ? new chain_1.ChainAsync(source[Symbol.asyncIterator]()) : new chain_1.ChainAsync(source);
    }
    fibonacci(minimum) {
        return new chain_1.Chain(λ.fibonacci(minimum));
    }
    generate(func) {
        return new chain_1.Chain(λ.generate(func));
    }
    generateAsync(func) {
        return new chain_1.ChainAsync(λ.generateAsync(func));
    }
    prime(minimum) {
        return new chain_1.Chain(λ.prime(minimum));
    }
    random(parameters) {
        return new chain_1.Chain(λ.random(parameters));
    }
    randomFrom(array) {
        return new chain_1.Chain(λ.randomFrom(array));
    }
    range(parameters) {
        return new chain_1.Chain(λ.range(parameters));
    }
}
const lazy = new Lazy();
exports.default = lazy;
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