parse
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Parse JavaScript SDK
552 lines (546 loc) • 18.8 kB
JavaScript
"use strict";
var _Object$defineProperty = require("@babel/runtime-corejs3/core-js-stable/object/define-property");
var _interopRequireDefault = require("@babel/runtime-corejs3/helpers/interopRequireDefault");
_Object$defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _isArray = _interopRequireDefault(require("@babel/runtime-corejs3/core-js-stable/array/is-array"));
var _indexOf = _interopRequireDefault(require("@babel/runtime-corejs3/core-js-stable/instance/index-of"));
var _filter = _interopRequireDefault(require("@babel/runtime-corejs3/core-js-stable/instance/filter"));
var _slice = _interopRequireDefault(require("@babel/runtime-corejs3/core-js-stable/instance/slice"));
var _isInteger = _interopRequireDefault(require("@babel/runtime-corejs3/core-js-stable/number/is-integer"));
var _map = _interopRequireDefault(require("@babel/runtime-corejs3/core-js-stable/instance/map"));
var _forEach = _interopRequireDefault(require("@babel/runtime-corejs3/core-js-stable/instance/for-each"));
var _keys = _interopRequireDefault(require("@babel/runtime-corejs3/core-js-stable/object/keys"));
var _equals = _interopRequireDefault(require("./equals"));
var _decode = _interopRequireDefault(require("./decode"));
var _ParseError = _interopRequireDefault(require("./ParseError"));
var _ParsePolygon = _interopRequireDefault(require("./ParsePolygon"));
var _ParseGeoPoint = _interopRequireDefault(require("./ParseGeoPoint"));
/**
* contains -- Determines if an object is contained in a list with special handling for Parse pointers.
*
* @param haystack
* @param needle
* @private
* @returns {boolean}
*/
function contains(haystack, needle) {
if (needle && needle.__type && (needle.__type === 'Pointer' || needle.__type === 'Object')) {
for (const i in haystack) {
const ptr = haystack[i];
if (typeof ptr === 'string' && ptr === needle.objectId) {
return true;
}
if (ptr.className === needle.className && ptr.objectId === needle.objectId) {
return true;
}
}
return false;
}
if ((0, _isArray.default)(needle)) {
for (const need of needle) {
if (contains(haystack, need)) {
return true;
}
}
}
return (0, _indexOf.default)(haystack).call(haystack, needle) > -1;
}
function transformObject(object) {
if (object._toFullJSON) {
return object._toFullJSON();
}
return object;
}
/**
* matchesQuery -- Determines if an object would be returned by a Parse Query
* It's a lightweight, where-clause only implementation of a full query engine.
* Since we find queries that match objects, rather than objects that match
* queries, we can avoid building a full-blown query tool.
*
* @param className
* @param object
* @param objects
* @param query
* @private
* @returns {boolean}
*/
function matchesQuery(className, object, objects, query) {
if (object.className !== className) {
return false;
}
let obj = object;
let q = query;
if (object.toJSON) {
obj = object.toJSON();
}
if (query.toJSON) {
q = query.toJSON().where;
}
obj.className = className;
for (const field in q) {
if (!matchesKeyConstraints(className, obj, objects, field, q[field])) {
return false;
}
}
return true;
}
function equalObjectsGeneric(obj, compareTo, eqlFn) {
if ((0, _isArray.default)(obj)) {
for (let i = 0; i < obj.length; i++) {
if (eqlFn(obj[i], compareTo)) {
return true;
}
}
return false;
}
return eqlFn(obj, compareTo);
}
/**
* @typedef RelativeTimeToDateResult
* @property {string} status The conversion status, `error` if conversion failed or
* `success` if conversion succeeded.
* @property {string} info The error message if conversion failed, or the relative
* time indication (`past`, `present`, `future`) if conversion succeeded.
* @property {Date|undefined} result The converted date, or `undefined` if conversion
* failed.
*/
/**
* Converts human readable relative date string, for example, 'in 10 days' to a date
* relative to now.
*
* @param {string} text The text to convert.
* @param {Date} [now] The date from which add or subtract. Default is now.
* @returns {RelativeTimeToDateResult}
*/
function relativeTimeToDate(text) {
let now = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : new Date();
text = text.toLowerCase();
let parts = text.split(' ');
// Filter out whitespace
parts = (0, _filter.default)(parts).call(parts, part => part !== '');
const future = parts[0] === 'in';
const past = parts[parts.length - 1] === 'ago';
if (!future && !past && text !== 'now') {
return {
status: 'error',
info: "Time should either start with 'in' or end with 'ago'"
};
}
if (future && past) {
return {
status: 'error',
info: "Time cannot have both 'in' and 'ago'"
};
}
// strip the 'ago' or 'in'
if (future) {
parts = (0, _slice.default)(parts).call(parts, 1);
} else {
// past
parts = (0, _slice.default)(parts).call(parts, 0, parts.length - 1);
}
if (parts.length % 2 !== 0 && text !== 'now') {
return {
status: 'error',
info: 'Invalid time string. Dangling unit or number.'
};
}
const pairs = [];
while (parts.length) {
pairs.push([parts.shift(), parts.shift()]);
}
let seconds = 0;
for (const [num, interval] of pairs) {
const val = Number(num);
if (!(0, _isInteger.default)(val)) {
return {
status: 'error',
info: `'${num}' is not an integer.`
};
}
switch (interval) {
case 'yr':
case 'yrs':
case 'year':
case 'years':
seconds += val * 31536000; // 365 * 24 * 60 * 60
break;
case 'wk':
case 'wks':
case 'week':
case 'weeks':
seconds += val * 604800; // 7 * 24 * 60 * 60
break;
case 'd':
case 'day':
case 'days':
seconds += val * 86400; // 24 * 60 * 60
break;
case 'hr':
case 'hrs':
case 'hour':
case 'hours':
seconds += val * 3600; // 60 * 60
break;
case 'min':
case 'mins':
case 'minute':
case 'minutes':
seconds += val * 60;
break;
case 'sec':
case 'secs':
case 'second':
case 'seconds':
seconds += val;
break;
default:
return {
status: 'error',
info: `Invalid interval: '${interval}'`
};
}
}
const milliseconds = seconds * 1000;
if (future) {
return {
status: 'success',
info: 'future',
result: new Date(now.valueOf() + milliseconds)
};
} else if (past) {
return {
status: 'success',
info: 'past',
result: new Date(now.valueOf() - milliseconds)
};
} else {
return {
status: 'success',
info: 'present',
result: new Date(now.valueOf())
};
}
}
/**
* Determines whether an object matches a single key's constraints
*
* @param className
* @param object
* @param objects
* @param key
* @param constraints
* @private
* @returns {boolean}
*/
function matchesKeyConstraints(className, object, objects, key, constraints) {
if (constraints === null) {
return false;
}
if ((0, _indexOf.default)(key).call(key, '.') >= 0) {
// Key references a subobject
const keyComponents = key.split('.');
const subObjectKey = keyComponents[0];
const keyRemainder = (0, _slice.default)(keyComponents).call(keyComponents, 1).join('.');
return matchesKeyConstraints(className, object[subObjectKey] || {}, objects, keyRemainder, constraints);
}
let i;
if (key === '$or') {
for (i = 0; i < constraints.length; i++) {
if (matchesQuery(className, object, objects, constraints[i])) {
return true;
}
}
return false;
}
if (key === '$and') {
for (i = 0; i < constraints.length; i++) {
if (!matchesQuery(className, object, objects, constraints[i])) {
return false;
}
}
return true;
}
if (key === '$nor') {
for (i = 0; i < constraints.length; i++) {
if (matchesQuery(className, object, objects, constraints[i])) {
return false;
}
}
return true;
}
if (key === '$relatedTo') {
// Bail! We can't handle relational queries locally
return false;
}
if (!/^[A-Za-z][0-9A-Za-z_]*$/.test(key)) {
throw new _ParseError.default(_ParseError.default.INVALID_KEY_NAME, `Invalid Key: ${key}`);
}
// Equality (or Array contains) cases
if (typeof constraints !== 'object') {
if ((0, _isArray.default)(object[key])) {
var _context;
return (0, _indexOf.default)(_context = object[key]).call(_context, constraints) > -1;
}
return object[key] === constraints;
}
let compareTo;
if (constraints.__type) {
if (constraints.__type === 'Pointer') {
return equalObjectsGeneric(object[key], constraints, function (obj, ptr) {
return typeof obj !== 'undefined' && ptr.className === obj.className && ptr.objectId === obj.objectId;
});
}
return equalObjectsGeneric((0, _decode.default)(object[key]), (0, _decode.default)(constraints), _equals.default);
}
// More complex cases
for (const condition in constraints) {
compareTo = constraints[condition];
if (compareTo?.__type) {
compareTo = (0, _decode.default)(compareTo);
}
// is it a $relativeTime? convert to date
if (compareTo?.['$relativeTime']) {
const parserResult = relativeTimeToDate(compareTo['$relativeTime']);
if (parserResult.status !== 'success') {
throw new _ParseError.default(_ParseError.default.INVALID_JSON, `bad $relativeTime (${key}) value. ${parserResult.info}`);
}
compareTo = parserResult.result;
}
// Compare Date Object or Date String
if (toString.call(compareTo) === '[object Date]' || typeof compareTo === 'string' && new Date(compareTo).toString() !== 'Invalid Date') {
object[key] = new Date(object[key].iso ? object[key].iso : object[key]);
}
switch (condition) {
case '$lt':
if (object[key] >= compareTo) {
return false;
}
break;
case '$lte':
if (object[key] > compareTo) {
return false;
}
break;
case '$gt':
if (object[key] <= compareTo) {
return false;
}
break;
case '$gte':
if (object[key] < compareTo) {
return false;
}
break;
case '$ne':
if ((0, _equals.default)(object[key], compareTo)) {
return false;
}
break;
case '$in':
if (!contains(compareTo, object[key])) {
return false;
}
break;
case '$nin':
if (contains(compareTo, object[key])) {
return false;
}
break;
case '$all':
for (i = 0; i < compareTo.length; i++) {
var _context2;
if ((0, _indexOf.default)(_context2 = object[key]).call(_context2, compareTo[i]) < 0) {
return false;
}
}
break;
case '$exists':
{
const propertyExists = typeof object[key] !== 'undefined';
const existenceIsRequired = constraints['$exists'];
if (typeof constraints['$exists'] !== 'boolean') {
// The SDK will never submit a non-boolean for $exists, but if someone
// tries to submit a non-boolean for $exits outside the SDKs, just ignore it.
break;
}
if (!propertyExists && existenceIsRequired || propertyExists && !existenceIsRequired) {
return false;
}
break;
}
case '$regex':
{
if (typeof compareTo === 'object') {
return compareTo.test(object[key]);
}
// JS doesn't support perl-style escaping
let expString = '';
let escapeEnd = -2;
let escapeStart = (0, _indexOf.default)(compareTo).call(compareTo, '\\Q');
while (escapeStart > -1) {
// Add the unescaped portion
expString += compareTo.substring(escapeEnd + 2, escapeStart);
escapeEnd = (0, _indexOf.default)(compareTo).call(compareTo, '\\E', escapeStart);
if (escapeEnd > -1) {
expString += compareTo.substring(escapeStart + 2, escapeEnd).replace(/\\\\\\\\E/g, '\\E').replace(/\W/g, '\\$&');
}
escapeStart = (0, _indexOf.default)(compareTo).call(compareTo, '\\Q', escapeEnd);
}
expString += compareTo.substring(Math.max(escapeStart, escapeEnd + 2));
let modifiers = constraints.$options || '';
modifiers = modifiers.replace('x', '').replace('s', '');
// Parse Server / Mongo support x and s modifiers but JS RegExp doesn't
const exp = new RegExp(expString, modifiers);
if (!exp.test(object[key])) {
return false;
}
break;
}
case '$nearSphere':
{
if (!compareTo || !object[key]) {
return false;
}
const distance = compareTo.radiansTo(object[key]);
const max = constraints.$maxDistance || Infinity;
return distance <= max;
}
case '$within':
{
if (!compareTo || !object[key]) {
return false;
}
const southWest = compareTo.$box[0];
const northEast = compareTo.$box[1];
if (southWest.latitude > northEast.latitude || southWest.longitude > northEast.longitude) {
// Invalid box, crosses the date line
return false;
}
return object[key].latitude > southWest.latitude && object[key].latitude < northEast.latitude && object[key].longitude > southWest.longitude && object[key].longitude < northEast.longitude;
}
case '$options':
// Not a query type, but a way to add options to $regex. Ignore and
// avoid the default
break;
case '$maxDistance':
// Not a query type, but a way to add a cap to $nearSphere. Ignore and
// avoid the default
break;
case '$select':
{
const subQueryObjects = (0, _filter.default)(objects).call(objects, (obj, _index, arr) => {
return matchesQuery(compareTo.query.className, obj, arr, compareTo.query.where);
});
for (let i = 0; i < subQueryObjects.length; i += 1) {
const subObject = transformObject(subQueryObjects[i]);
return (0, _equals.default)(object[key], subObject[compareTo.key]);
}
return false;
}
case '$dontSelect':
{
const subQueryObjects = (0, _filter.default)(objects).call(objects, (obj, _index, arr) => {
return matchesQuery(compareTo.query.className, obj, arr, compareTo.query.where);
});
for (let i = 0; i < subQueryObjects.length; i += 1) {
const subObject = transformObject(subQueryObjects[i]);
return !(0, _equals.default)(object[key], subObject[compareTo.key]);
}
return false;
}
case '$inQuery':
{
const subQueryObjects = (0, _filter.default)(objects).call(objects, (obj, _index, arr) => {
return matchesQuery(compareTo.className, obj, arr, compareTo.where);
});
for (let i = 0; i < subQueryObjects.length; i += 1) {
const subObject = transformObject(subQueryObjects[i]);
if (object[key].className === subObject.className && object[key].objectId === subObject.objectId) {
return true;
}
}
return false;
}
case '$notInQuery':
{
const subQueryObjects = (0, _filter.default)(objects).call(objects, (obj, _index, arr) => {
return matchesQuery(compareTo.className, obj, arr, compareTo.where);
});
for (let i = 0; i < subQueryObjects.length; i += 1) {
const subObject = transformObject(subQueryObjects[i]);
if (object[key].className === subObject.className && object[key].objectId === subObject.objectId) {
return false;
}
}
return true;
}
case '$containedBy':
{
for (const value of object[key]) {
if (!contains(compareTo, value)) {
return false;
}
}
return true;
}
case '$geoWithin':
{
if (compareTo.$polygon) {
var _context3;
const points = (0, _map.default)(_context3 = compareTo.$polygon).call(_context3, geoPoint => [geoPoint.latitude, geoPoint.longitude]);
const polygon = new _ParsePolygon.default(points);
return polygon.containsPoint(object[key]);
}
if (compareTo.$centerSphere) {
const [WGS84Point, maxDistance] = compareTo.$centerSphere;
const centerPoint = new _ParseGeoPoint.default({
latitude: WGS84Point[1],
longitude: WGS84Point[0]
});
const point = new _ParseGeoPoint.default(object[key]);
const distance = point.radiansTo(centerPoint);
return distance <= maxDistance;
}
return false;
}
case '$geoIntersects':
{
const polygon = new _ParsePolygon.default(object[key].coordinates);
const point = new _ParseGeoPoint.default(compareTo.$point);
return polygon.containsPoint(point);
}
default:
return false;
}
}
return true;
}
function validateQuery(query) {
var _context4;
let q = query;
if (query.toJSON) {
q = query.toJSON().where;
}
const specialQuerykeys = ['$and', '$or', '$nor', '_rperm', '_wperm', '_perishable_token', '_email_verify_token', '_email_verify_token_expires_at', '_account_lockout_expires_at', '_failed_login_count'];
(0, _forEach.default)(_context4 = (0, _keys.default)(q)).call(_context4, key => {
if (q && q[key] && q[key].$regex) {
if (typeof q[key].$options === 'string') {
if (!q[key].$options.match(/^[imxs]+$/)) {
throw new _ParseError.default(_ParseError.default.INVALID_QUERY, `Bad $options value for query: ${q[key].$options}`);
}
}
}
if ((0, _indexOf.default)(specialQuerykeys).call(specialQuerykeys, key) < 0 && !key.match(/^[a-zA-Z][a-zA-Z0-9_\.]*$/)) {
throw new _ParseError.default(_ParseError.default.INVALID_KEY_NAME, `Invalid key name: ${key}`);
}
});
}
const OfflineQuery = {
matchesQuery: matchesQuery,
validateQuery: validateQuery
};
var _default = exports.default = OfflineQuery;