lazzy.ts/consumers/toWeakSet.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.toWeakSetAsync = exports.toWeakSet = void 0;
const common_1 = require("../common");
function toWeakSet(iterator, ...select) {
    const result = new WeakSet();
    let x = iterator.next();
    if (x.done === true) {
        return result;
    }
    let selector;
    if (typeof x.value === "object") {
        selector = (v) => v;
    }
    else if (select[0] !== undefined) {
        selector = select[0];
    }
    else {
        throw new Error(common_1.InvalidArgumentsMessage);
    }
    while (x.done !== true) {
        result.add(selector(x.value));
        x = iterator.next();
    }
    return result;
}
exports.toWeakSet = toWeakSet;
function toWeakSetAsync(iterator, ...select) {
    return __awaiter(this, void 0, void 0, function* () {
        const result = new WeakSet();
        let x = yield iterator.next();
        if (x.done === true) {
            return result;
        }
        let selector;
        if (typeof x.value === "object") {
            selector = (v) => v;
        }
        else if (select[0] !== undefined) {
            selector = select[0];
        }
        else {
            throw new Error(common_1.InvalidArgumentsMessage);
        }
        while (x.done !== true) {
            result.add(selector(x.value));
            x = yield iterator.next();
        }
        return result;
    });
}
exports.toWeakSetAsync = toWeakSetAsync;
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