@benev/slate/x/tools/helpers.js

frontend web stuff

import { Signal } from "../signals/signal.js";
export function maybe(x, fn) {
    const y = x instanceof Signal
        ? x.value
        : x;
    return y
        ? fn(y)
        : undefined;
}
export function whereby(x, fn) {
    const y = x instanceof Signal
        ? x.value
        : x;
    return (y === undefined || y === null)
        ? undefined
        : fn(y);
}
/** @deprecated renamed to `whereby` */
export const wherefor = whereby;
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