puppeteer-core/lib/esm/puppeteer/util/AsyncIterableUtil.js

A high-level API to control headless Chrome over the DevTools Protocol

/**
 * @internal
 */
export class AsyncIterableUtil {
    static async *map(iterable, map) {
        for await (const value of iterable) {
            yield await map(value);
        }
    }
    static async *flatMap(iterable, map) {
        for await (const value of iterable) {
            yield* map(value);
        }
    }
    static async collect(iterable) {
        const result = [];
        for await (const value of iterable) {
            result.push(value);
        }
        return result;
    }
    static async first(iterable) {
        for await (const value of iterable) {
            return value;
        }
        return;
    }
}
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