@nerdware/ddb-single-table/dist/esm/Schema/timestampAttributes.js

A schema-based DynamoDB modeling tool, high-level API, and type-generator built to supercharge single-table designs!⚡

import { isDate } from "@nerdware/ts-type-safety-utils";
import { isValidIso8601DatetimeString } from "../utils/index.js";
/**
 * A base timestamp attribute config for a Model-schema's "createdAt" and/or "updatedAt" attributes.
 */
export const BASE_TIMESTAMP_ATTRIBUTE_CONFIG = {
    type: "Date",
    required: true,
    default: () => new Date(),
    validate: (value) => isDate(value) || isValidIso8601DatetimeString(value),
};
/**
 * Timestamp attributes for a ModelSchema.
 */
export const TIMESTAMP_ATTRIBUTES = {
    createdAt: {
        ...BASE_TIMESTAMP_ATTRIBUTE_CONFIG,
    },
    updatedAt: {
        ...BASE_TIMESTAMP_ATTRIBUTE_CONFIG,
        transformValue: {
            /** This toDB ensures `updatedAt` is updated on every write operation. */
            toDB: () => new Date(),
        },
    },
};