swc/packages/swc-helpers/src/_class_apply_descriptor_set.mjs

export default function _class_apply_descriptor_set(receiver, descriptor, value) {
    if (descriptor.set) {
        descriptor.set.call(receiver, value);
    } else {
        if (!descriptor.writable) {
            // This should only throw in strict mode, but class bodies are
            // always strict and private fields can only be used inside
            // class bodies.
            throw new TypeError("attempted to set read only private field");
        }
        descriptor.value = value;
    }
}