data-collectors/lib/collections/toSet.js

A collection of composable reduction operations for arbitrary streams of values

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const collector_1 = require("../collector");
class ToSetCollector extends collector_1.BaseCollector {
    constructor(supplier) {
        super();
        this.supplier = supplier;
    }
    supply() {
        return this.supplier();
    }
    accumulate(container, item) {
        container.add(item);
    }
    combine(container1, container2) {
        for (let value of container2) {
            this.accumulate(container1, value);
        }
        return container1;
    }
    finish(container) {
        return container;
    }
}
exports.ToSetCollector = ToSetCollector;
function toSet(factory) {
    return new ToSetCollector(factory || (() => new Set()));
}
exports.toSet = toSet;
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