@reactivex/ix-esnext-esm/asynciterable/operators/map.js

The Interactive Extensions for JavaScript

import { AsyncIterableX } from '../asynciterablex';
export class MapAsyncIterable extends AsyncIterableX {
    constructor(source, selector, thisArg) {
        super();
        this._source = source;
        this._selector = selector;
        this._thisArg = thisArg;
    }
    async *[Symbol.asyncIterator]() {
        let i = 0;
        for await (const item of this._source) {
            const result = await this._selector.call(this._thisArg, item, i++);
            yield result;
        }
    }
}
export function map(selector, thisArg) {
    return function mapOperatorFunction(source) {
        return new MapAsyncIterable(source, selector, thisArg);
    };
}

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