@lab900/typescript-serializer/lib/deserialize/deserializers/date.deserializer.js

JSON serialization/deserialization of Typescript objects

export function dateDeserializer(sourceObject, type, key) {
    if (!sourceObject) {
        return;
    }
    if (typeof sourceObject === 'number') {
        const isInteger = sourceObject % 1 === 0;
        if (!isInteger) {
            throw new TypeError(`Could not deserialize ${key} as Date:`
                + ` expected an integer, got a number with decimal places.`);
        }
        return new Date(sourceObject);
    }
    else if (typeof sourceObject === 'string') {
        return new Date(sourceObject);
    }
    else if (sourceObject instanceof Date) {
        return sourceObject;
    }
    else {
        throw Error(`Type mismatch on ${key}`);
    }
}