@virtualstate/examples/lib/examples/experiments/combinational/and.js

import { h, Fragment } from "@virtualstate/fringe";
import { isTrue } from "./truth.js";
import { True, False } from "./truth.js";
export async function* And({ size, self }, state) {
    // We have no child state, no input is true
    if (!state)
        return;
    // We have a non fragment child, all input is true
    if (state.reference !== Fragment)
        return yield true;
    const children = state.children;
    // We have no fragment children, no input is true
    if (!children)
        return;
    let everYielded = false;
    for await (const values of children) {
        // We have exactly the size we are after
        const has = values.every(isTrue) && (!size || values.length === size);
        if (!has && !everYielded)
            continue;
        yield has ? ((self && size) ? result(values) : h(True, null)) : h(False, null);
        everYielded = true;
    }
    function result(values) {
        return {
            reference: Symbol("TruthfulAND"),
            children: {
                async *[Symbol.asyncIterator]() {
                    yield values;
                }
            }
        };
    }
}
//# sourceMappingURL=and.js.map