data-collectors/lib/queries/joining.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");
const toArray_1 = require("../collections/toArray");
class JoiningCollector extends collector_1.BaseCollector {
    constructor(separator = ',', prefix = '', suffix = '') {
        super();
        this.collector = new toArray_1.ToArrayCollector();
        this.separator = separator;
        this.prefix = prefix;
        this.suffix = suffix;
    }
    supply() {
        return this.collector.supply();
    }
    accumulate(container, item) {
        return this.collector.accumulate(container, item);
    }
    combine(container1, container2) {
        return this.collector.combine(container1, container2);
    }
    finish(container) {
        return this.prefix + this.collector.finish(container).join(this.separator) + this.suffix;
    }
}
exports.JoiningCollector = JoiningCollector;
function joining(separator = ',', prefix = '', suffix = '') {
    return new JoiningCollector(separator, prefix, suffix);
}
exports.joining = joining;
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