contentful-management/dist/types/plain/as-iterator.js

Client for Contentful's Content Management API

import copy from 'fast-copy';

const asIterator = (fn, params) => {
    return {
        [Symbol.asyncIterator]() {
            let options = copy(params);
            const get = () => fn(copy(options));
            let currentResult = get();
            return {
                current: 0,
                async next() {
                    const { total = 0, items = [], skip = 0, limit = 100 } = await currentResult;
                    if (total === this.current) {
                        return { done: true, value: null };
                    }
                    const value = items[this.current++ - skip];
                    const endOfPage = this.current % limit === 0;
                    const endOfList = this.current === total;
                    if (endOfPage && !endOfList) {
                        options = {
                            ...options,
                            query: {
                                ...options.query,
                                skip: skip + limit,
                            },
                        };
                        currentResult = get();
                    }
                    return { done: false, value };
                },
            };
        },
    };
};

export { asIterator };
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