shelving/iterate/ThroughIterator.js

Toolkit for using data in JavaScript.

import { AbstractIterator } from "./AbstractIterator.js";
/** Iterable that pulls values from a source iterable. */
export class ThroughIterator extends AbstractIterator {
    _source;
    constructor(iterator) {
        super();
        this._source = iterator;
    }
    // Implement `AbstractIterator`
    next(value) {
        return this._source.next(value);
    }
    throw(thrown) {
        return this._source.throw ? this._source.throw(thrown) : super.throw(thrown);
    }
    return(value) {
        return this._source.return ? this._source.return(value) : super.return(value);
    }
}