fluxtuate/lib/model/property.js

a javascript ES7 library for handling complex data transactions

"use strict";

Object.defineProperty(exports, "__esModule", {
    value: true
});

exports.default = function (propertyType) {
    var isPrimary = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
    var JSONPropertyName = arguments[2];

    if ((0, _lang.isBoolean)(isPrimary)) {
        return applyOnTarget.bind(this, propertyType, isPrimary, JSONPropertyName);
    } else {
        return applyOnTarget.apply(this, [Object, false, undefined, propertyType, isPrimary, JSONPropertyName]);
    }
};

var _internals = require("./_internals");

var _lang = require("lodash/lang");

var _reserved = require("./reserved");

var _reserved2 = _interopRequireDefault(_reserved);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function applyOnTarget(propertyType, isPrimary, JSONPropertyName, target, key, descriptor) {
    if (key === undefined) throw new Error("You can't inject values to classes, only to class properties of type function!");

    if (_reserved2.default.indexOf(key) !== -1) {
        throw new Error(key + " is a reserved word, you can't define a property on a model with this name! Please use a different name on the model but define a alternative property as the third parameter in the property descriptor for parsing JSON data with that name.");
    }

    if (!JSONPropertyName) {
        JSONPropertyName = key;
    }

    if (typeof descriptor.value === "function") throw new Error("You can only inject values to properties of the class!");

    if (isPrimary) {
        if (target[_internals.primaryKey]) throw new Error("You are trying to set property " + key + " as a primary key on a model that already has a primary key of value " + target[_internals.primaryKey]);
        target[_internals.primaryKey] = key;
    }

    if (Object.getOwnPropertySymbols(target).indexOf(_internals.properties) === -1) {
        target[_internals.properties] = {};
    }

    target[_internals.properties][JSONPropertyName] = { convert: propertyType, modelKey: key, defaultValue: target[key] };

    descriptor.configurable = true;
    return descriptor;
}