data-collectors/lib/collections/toMap.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 ToMapCollector extends collector_1.BaseCollector {
    constructor(supplier) {
        super();
        this.supplier = supplier;
    }
    supply() {
        return this.supplier();
    }
    accumulate(container, [key, value]) {
        container.set(key, value);
    }
    combine(container1, container2) {
        for (let value of container2) {
            this.accumulate(container1, value);
        }
        return container1;
    }
    finish(container) {
        return container;
    }
}
exports.ToMapCollector = ToMapCollector;
function toMap(factory) {
    return new ToMapCollector(factory || (() => new Map()));
}
exports.toMap = toMap;
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