dougal-software/lib/modules/@dougal/organisations/Organisation.js

class Organisation {

	constructor (data) {

		this.read = !!data?.read;
		this.write = !!data?.write;
		this.edit = !!data?.edit;

		this.other = {};

		return new Proxy(this, {
			get (target, prop) {
				if (prop in target) {
					return target[prop]
				} else {
					return target.other[prop];
				}
			},

			set (target, prop, value) {
				const oldValue = target[prop] !== undefined ? target[prop] : target.other[prop];
				const newValue = Boolean(value);

				if (["read", "write", "edit"].includes(prop)) {
					target[prop] = newValue;
				} else {
					target.other[prop] = newValue;
				}

				return true;
			}
		});
	}

	toJSON () {
		return {
			read: this.read,
			write: this.write,
			edit: this.edit,
			...this.other
		}
	}

	toString (replacer, space) {
		return JSON.stringify(this.toJSON(), replacer, space);
	}

	/** Limit the operations to only those allowed by `other`
	 */
	filter (other) {
		const filteredOrganisation = new Organisation();

		filteredOrganisation.read = this.read && other.read;
		filteredOrganisation.write = this.write && other.write;
		filteredOrganisation.edit = this.edit && other.edit;

		return filteredOrganisation;
	}

	intersect (other) {
		return this.filter(other);
	}

}


if (typeof module !== 'undefined' && module.exports) {
    module.exports = Organisation; // CJS export
}

// ESM export
if (typeof exports !== 'undefined' && !exports.default) {
    exports.default = Organisation; // ESM export
}