@constl/bohr-db/dist/feed.js

Type-safe databases for orbit-db.

import { generateListValidator, removeUndefinedProperties } from "./utils.js";
export const typedFeed = ({ db, schema, }) => {
    const { validate } = generateListValidator(schema);
    return new Proxy(db, {
        get(target, prop) {
            if (prop === "all") {
                return async () => {
                    const all = await target[prop]();
                    const valid = all.filter((x) => validate(x.value));
                    return valid;
                };
            }
            else if (prop === "add") {
                return async (data) => {
                    if (typeof data === "object" && !Array.isArray(data)) {
                        data = removeUndefinedProperties(data);
                    }
                    const valid = validate(data);
                    if (valid) {
                        return await target.add(data);
                    }
                    throw new Error(JSON.stringify(data) +
                        JSON.stringify(validate.errors, undefined, 2));
                };
            }
            else {
                return target[prop];
            }
        },
    });
};
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