transformable/dist/esm/functions.js

Transforms plain objects to class instances and vice versa (a lightweight alternative to 'class-transformer')

import { getTransformation } from './storage';
export function plainToInstance(sourcePlain, targetClass, sourceContext) {
    const targetInstance = new targetClass();
    const targetPrototype = targetClass.prototype;
    for (let [attributeName, attributeValue] of Object.entries(sourcePlain)) {
        if (attributeValue === undefined) {
            continue;
        }
        if (attributeValue !== null) {
            const transformer = getTransformation(targetPrototype, attributeName)?.input;
            if (transformer) {
                attributeValue = transformer(attributeValue, { source: sourceContext });
            }
        }
        targetInstance[attributeName] = attributeValue;
    }
    return targetInstance;
}
export function instanceToPlain(sourceInstance, targetContext) {
    const targetPlain = {};
    const sourcePrototype = Object.getPrototypeOf(sourceInstance);
    for (let [attributeName, attributeValue] of Object.entries(sourceInstance)) {
        if (attributeValue === undefined) {
            continue;
        }
        if (attributeValue !== null) {
            const transformer = getTransformation(sourcePrototype, attributeName)?.output;
            if (transformer) {
                attributeValue = transformer(attributeValue, { target: targetContext });
            }
            if (attributeValue === undefined) {
                continue;
            }
        }
        targetPlain[attributeName] = attributeValue;
    }
    return targetPlain;
}
//# sourceMappingURL=functions.js.map