lazzy.ts/consumers/min.js

Fast and lightweight library for lazy operations with iterable objects.

"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.minAsync = exports.min = void 0;
const helpers_1 = require("../common/helpers");
function min(iterator, ...select) {
    let x = iterator.next();
    if (x.done === true) {
        return undefined;
    }
    const selector = helpers_1.getNumericSelector(x.value, ...select);
    let result = x.value;
    let minValue = selector(x.value);
    x = iterator.next();
    while (x.done !== true) {
        const value = selector(x.value);
        if (value < minValue) {
            minValue = value;
            result = x.value;
        }
        x = iterator.next();
    }
    return result;
}
exports.min = min;
function minAsync(iterator, ...select) {
    return __awaiter(this, void 0, void 0, function* () {
        let x = yield iterator.next();
        if (x.done === true) {
            return undefined;
        }
        const selector = helpers_1.getNumericSelector(x.value, ...select);
        let result = x.value;
        let minValue = selector(x.value);
        x = yield iterator.next();
        while (x.done !== true) {
            const value = selector(x.value);
            if (value < minValue) {
                minValue = value;
                result = x.value;
            }
            x = yield iterator.next();
        }
        return result;
    });
}
exports.minAsync = minAsync;
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