react-async-iterators/dist/esm/iterateFormatted/index.js

The magic of JavaScript async iterators in React ⛓️ 🧬 🔃

import { reactAsyncIterSpecialInfoSymbol, parseReactAsyncIterable, } from '../common/ReactAsyncIterable.js';
import { asyncIterSyncMap } from '../common/asyncIterSyncMap.js';
import { isAsyncIter } from '../common/isAsyncIter.js';
export { iterateFormatted };
function iterateFormatted(source, formatFn) {
    if (!isAsyncIter(source)) {
        return formatFn(source, 0);
    }
    const { baseIter, formatFn: precedingFormatFn } = parseReactAsyncIterable(source);
    return {
        [Symbol.asyncIterator]: () => asyncIterSyncMap(source, formatFn)[Symbol.asyncIterator](),
        get value() {
            return !source.value
                ? undefined
                : {
                    get current() {
                        const result = precedingFormatFn(source.value.current, 0);
                        return formatFn(result, 0);
                    },
                };
        },
        [reactAsyncIterSpecialInfoSymbol]: {
            origSource: baseIter,
            formatFn: (value, i) => {
                const result = precedingFormatFn(value, i);
                return formatFn(result, i);
            },
        },
    };
}
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