serializr/src/types/date.ts

Serialize and deserialize complex object graphs to JSON

import { invariant, processAdditionalPropArgs } from "../utils/utils";
import { PropSchema, AdditionalPropArgs } from "../api/types";

/**
 * Similar to primitive, serializes instances of Date objects
 *
 * @param additionalArgs optional object that contains beforeDeserialize and/or afterDeserialize handlers
 */
export default function date(additionalArgs?: AdditionalPropArgs): PropSchema {
    // TODO: add format option?
    let result: PropSchema = {
        serializer: function (value) {
            if (value === null || value === undefined) return value;
            invariant(value instanceof Date, "Expected Date object");
            return value.getTime();
        },
        deserializer: function (jsonValue, done) {
            if (jsonValue === null || jsonValue === undefined) return void done(null, jsonValue);
            return void done(null, new Date(jsonValue));
        },
    };
    result = processAdditionalPropArgs(result, additionalArgs);
    return result;
}