rvx/dist/es/core/map-array.js

A signal based rendering library

import { createMapArrayState, mapArrayUpdate } from "./internals/map-array.js";
import { $, get, untrack, watch } from "./signals.js";
export function mapArray(inputs, fn) {
    const state = createMapArrayState();
    const output = $([]);
    watch(() => {
        const update = mapArrayUpdate(state, get(inputs), fn);
        if (update !== null) {
            untrack(output).splice(update.s, update.p.length, ...update.n.map(s => s.o));
            output.notify();
        }
    });
    return () => output.value;
}
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