fireorm
Version:
ORM for Firestore
100 lines • 3.67 kB
JavaScript
;
var __assign = (this && this.__assign) || function () {
__assign = Object.assign || function(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
t[p] = s[p];
}
return t;
};
return __assign.apply(this, arguments);
};
var __spreadArray = (this && this.__spreadArray) || function (to, from) {
for (var i = 0, il = from.length, j = to.length; i < il; i++, j++)
to[j] = from[i];
return to;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.arraysAreEqual = exports.serializeEntity = exports.extractAllGetters = void 0;
var Decorators_1 = require("./Decorators");
/**
* Extract getters and object in form of data properties
* @param {T} Entity object
* @returns {Object} with only data properties
*/
function extractAllGetters(obj) {
var prototype = Object.getPrototypeOf(obj);
var fromInstanceObj = Object.keys(obj);
var fromInstance = Object.getOwnPropertyNames(obj);
var fromPrototype = Object.getOwnPropertyNames(Object.getPrototypeOf(obj));
var keys = __spreadArray(__spreadArray(__spreadArray([], fromInstanceObj), fromInstance), fromPrototype);
var getters = keys
.map(function (key) { return Object.getOwnPropertyDescriptor(prototype, key); })
.map(function (descriptor, index) {
if (descriptor && typeof descriptor.get === 'function') {
return keys[index];
}
else {
return undefined;
}
})
.filter(function (d) { return d !== undefined; });
return getters.reduce(function (accumulator, currentValue) {
if (typeof currentValue === 'string' && obj[currentValue]) {
accumulator[currentValue] = obj[currentValue];
}
return accumulator;
}, {});
}
exports.extractAllGetters = extractAllGetters;
/**
* Returns a serializable object from entity<T>
*
* @template T
* @param {T} Entity object
* @param {SubCollectionMetadata[]} subColMetadata Subcollection
* metadata to remove runtime-created fields
* @returns {Object} Serialiable object
*/
function serializeEntity(obj, subColMetadata) {
var objectGetters = extractAllGetters(obj);
var serializableObj = __assign(__assign({}, obj), objectGetters);
subColMetadata.forEach(function (scm) {
delete serializableObj[scm.propertyKey];
});
Object.entries(serializableObj).forEach(function (_a) {
var propertyKey = _a[0], propertyValue = _a[1];
if (Reflect.getMetadata(Decorators_1.ignoreKey, obj, propertyKey) === true) {
delete serializableObj[propertyKey];
}
if (Reflect.getMetadata(Decorators_1.serializeKey, obj, propertyKey) !== undefined) {
if (Array.isArray(propertyValue)) {
serializableObj[propertyKey] = propertyValue.map(function (element) {
return serializeEntity(element, []);
});
}
else {
serializableObj[propertyKey] = serializeEntity(propertyValue, []);
}
}
});
return serializableObj;
}
exports.serializeEntity = serializeEntity;
/**
* Returns true if arrays are equal
*
* @export
* @param {Array<unknown>} arr1
* @param {Array<unknown>} arr2
* @returns {boolean}
*/
function arraysAreEqual(arr1, arr2) {
if (arr1.length !== arr2.length) {
return false;
}
return arr1.every(function (a, i) { return a === arr2[i]; });
}
exports.arraysAreEqual = arraysAreEqual;
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