@yobta/validator/lib/createAsyncValidator/createAsyncValidator.js

Tree-shakable es6 validator

import { createContext } from '../_internal/createContext/createContext.js';
import { handleUnknownError } from '../_internal/parseUnknownError/index.js';
export const createAsyncValidator = (...rules) => async (event, context) => {
    const ctx = context || createContext(event);
    let result = event;
    for await (const rule of rules) {
        try {
            result = await rule(ctx)(result);
        }
        catch (error) {
            ctx.pushError(handleUnknownError({
                error,
                field: ctx.field,
                path: ctx.path,
            }));
        }
    }
    return (ctx.errors.length ? [null, ctx.errors] : [result, null]);
};