@serenity-js/core/esm/io/asyncMap.js

The core Serenity/JS framework, providing the Screenplay Pattern interfaces, as well as the test reporting and integration infrastructure

/**
 * Maps an Array<Item_Type> to an Array<Result_Type>, one element at a time.
 *
 * @param items
 * @param mappingFunction
 */
export function asyncMap(items, mappingFunction) {
    return Promise.resolve().then(() => items.reduce((previous, item) => previous.then(async (acc) => {
        const result = await mappingFunction(item);
        acc.push(result);
        return acc;
    }), Promise.resolve([])));
}
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