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690 lines
27 KiB
690 lines
27 KiB
(function (global, factory) {
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typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
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typeof define === 'function' && define.amd ? define(['exports'], factory) :
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(global = global || self, factory(global.sift = {}));
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}(this, (function (exports) { 'use strict';
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/*! *****************************************************************************
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Copyright (c) Microsoft Corporation.
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
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REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
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INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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PERFORMANCE OF THIS SOFTWARE.
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***************************************************************************** */
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/* global Reflect, Promise */
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var extendStatics = function(d, b) {
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extendStatics = Object.setPrototypeOf ||
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({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
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function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
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return extendStatics(d, b);
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};
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function __extends(d, b) {
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extendStatics(d, b);
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function __() { this.constructor = d; }
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d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
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}
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var typeChecker = function (type) {
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var typeString = "[object " + type + "]";
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return function (value) {
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return getClassName(value) === typeString;
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};
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};
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var getClassName = function (value) { return Object.prototype.toString.call(value); };
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var comparable = function (value) {
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if (value instanceof Date) {
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return value.getTime();
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}
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else if (isArray(value)) {
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return value.map(comparable);
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}
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else if (value && typeof value.toJSON === "function") {
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return value.toJSON();
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}
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return value;
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};
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var isArray = typeChecker("Array");
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var isObject = typeChecker("Object");
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var isFunction = typeChecker("Function");
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var isVanillaObject = function (value) {
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return (value &&
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(value.constructor === Object ||
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value.constructor === Array ||
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value.constructor.toString() === "function Object() { [native code] }" ||
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value.constructor.toString() === "function Array() { [native code] }") &&
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!value.toJSON);
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};
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var equals = function (a, b) {
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if (a == null && a == b) {
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return true;
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}
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if (a === b) {
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return true;
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}
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if (Object.prototype.toString.call(a) !== Object.prototype.toString.call(b)) {
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return false;
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}
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if (isArray(a)) {
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if (a.length !== b.length) {
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return false;
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}
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for (var i = 0, length_1 = a.length; i < length_1; i++) {
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if (!equals(a[i], b[i]))
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return false;
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}
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return true;
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}
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else if (isObject(a)) {
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if (Object.keys(a).length !== Object.keys(b).length) {
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return false;
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}
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for (var key in a) {
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if (!equals(a[key], b[key]))
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return false;
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}
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return true;
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}
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return false;
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};
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/**
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* Walks through each value given the context - used for nested operations. E.g:
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* { "person.address": { $eq: "blarg" }}
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*/
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var walkKeyPathValues = function (item, keyPath, next, depth, key, owner) {
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var currentKey = keyPath[depth];
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// if array, then try matching. Might fall through for cases like:
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// { $eq: [1, 2, 3] }, [ 1, 2, 3 ].
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if (isArray(item) && isNaN(Number(currentKey))) {
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for (var i = 0, length_1 = item.length; i < length_1; i++) {
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// if FALSE is returned, then terminate walker. For operations, this simply
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// means that the search critera was met.
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if (!walkKeyPathValues(item[i], keyPath, next, depth, i, item)) {
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return false;
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}
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}
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}
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if (depth === keyPath.length || item == null) {
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return next(item, key, owner);
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}
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return walkKeyPathValues(item[currentKey], keyPath, next, depth + 1, currentKey, item);
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};
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var BaseOperation = /** @class */ (function () {
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function BaseOperation(params, owneryQuery, options) {
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this.params = params;
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this.owneryQuery = owneryQuery;
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this.options = options;
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this.init();
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}
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BaseOperation.prototype.init = function () { };
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BaseOperation.prototype.reset = function () {
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this.done = false;
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this.keep = false;
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};
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return BaseOperation;
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}());
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var NamedBaseOperation = /** @class */ (function (_super) {
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__extends(NamedBaseOperation, _super);
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function NamedBaseOperation(params, owneryQuery, options, name) {
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var _this = _super.call(this, params, owneryQuery, options) || this;
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_this.name = name;
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return _this;
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}
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return NamedBaseOperation;
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}(BaseOperation));
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var GroupOperation = /** @class */ (function (_super) {
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__extends(GroupOperation, _super);
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function GroupOperation(params, owneryQuery, options, children) {
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var _this = _super.call(this, params, owneryQuery, options) || this;
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_this.children = children;
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return _this;
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}
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/**
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*/
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GroupOperation.prototype.reset = function () {
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this.keep = false;
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this.done = false;
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for (var i = 0, length_2 = this.children.length; i < length_2; i++) {
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this.children[i].reset();
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}
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};
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/**
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*/
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GroupOperation.prototype.childrenNext = function (item, key, owner) {
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var done = true;
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var keep = true;
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for (var i = 0, length_3 = this.children.length; i < length_3; i++) {
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var childOperation = this.children[i];
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childOperation.next(item, key, owner);
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if (!childOperation.keep) {
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keep = false;
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}
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if (childOperation.done) {
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if (!childOperation.keep) {
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break;
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}
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}
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else {
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done = false;
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}
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}
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this.done = done;
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this.keep = keep;
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};
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return GroupOperation;
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}(BaseOperation));
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var NamedGroupOperation = /** @class */ (function (_super) {
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__extends(NamedGroupOperation, _super);
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function NamedGroupOperation(params, owneryQuery, options, children, name) {
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var _this = _super.call(this, params, owneryQuery, options, children) || this;
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_this.name = name;
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return _this;
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}
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return NamedGroupOperation;
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}(GroupOperation));
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var QueryOperation = /** @class */ (function (_super) {
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__extends(QueryOperation, _super);
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function QueryOperation() {
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return _super !== null && _super.apply(this, arguments) || this;
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}
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/**
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*/
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QueryOperation.prototype.next = function (item, key, parent) {
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this.childrenNext(item, key, parent);
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};
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return QueryOperation;
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}(GroupOperation));
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var NestedOperation = /** @class */ (function (_super) {
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__extends(NestedOperation, _super);
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function NestedOperation(keyPath, params, owneryQuery, options, children) {
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var _this = _super.call(this, params, owneryQuery, options, children) || this;
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_this.keyPath = keyPath;
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/**
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*/
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_this._nextNestedValue = function (value, key, owner) {
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_this.childrenNext(value, key, owner);
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return !_this.done;
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};
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return _this;
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}
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/**
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*/
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NestedOperation.prototype.next = function (item, key, parent) {
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walkKeyPathValues(item, this.keyPath, this._nextNestedValue, 0, key, parent);
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};
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return NestedOperation;
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}(GroupOperation));
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var createTester = function (a, compare) {
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if (a instanceof Function) {
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return a;
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}
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if (a instanceof RegExp) {
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return function (b) {
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var result = typeof b === "string" && a.test(b);
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a.lastIndex = 0;
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return result;
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};
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}
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var comparableA = comparable(a);
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return function (b) { return compare(comparableA, comparable(b)); };
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};
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var EqualsOperation = /** @class */ (function (_super) {
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__extends(EqualsOperation, _super);
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function EqualsOperation() {
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return _super !== null && _super.apply(this, arguments) || this;
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}
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EqualsOperation.prototype.init = function () {
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this._test = createTester(this.params, this.options.compare);
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};
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EqualsOperation.prototype.next = function (item, key, parent) {
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if (!Array.isArray(parent) || parent.hasOwnProperty(key)) {
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if (this._test(item, key, parent)) {
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this.done = true;
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this.keep = true;
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}
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}
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};
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return EqualsOperation;
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}(BaseOperation));
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var createEqualsOperation = function (params, owneryQuery, options) { return new EqualsOperation(params, owneryQuery, options); };
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var NopeOperation = /** @class */ (function (_super) {
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__extends(NopeOperation, _super);
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function NopeOperation() {
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return _super !== null && _super.apply(this, arguments) || this;
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}
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NopeOperation.prototype.next = function () {
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this.done = true;
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this.keep = false;
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};
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return NopeOperation;
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}(BaseOperation));
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var numericalOperationCreator = function (createNumericalOperation) { return function (params, owneryQuery, options, name) {
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if (params == null) {
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return new NopeOperation(params, owneryQuery, options);
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}
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return createNumericalOperation(params, owneryQuery, options, name);
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}; };
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var numericalOperation = function (createTester) {
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return numericalOperationCreator(function (params, owneryQuery, options) {
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var typeofParams = typeof comparable(params);
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var test = createTester(params);
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return new EqualsOperation(function (b) {
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return typeof comparable(b) === typeofParams && test(b);
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}, owneryQuery, options);
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});
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};
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var createNamedOperation = function (name, params, parentQuery, options) {
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var operationCreator = options.operations[name];
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if (!operationCreator) {
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throw new Error("Unsupported operation: " + name);
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}
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return operationCreator(params, parentQuery, options, name);
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};
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var containsOperation = function (query) {
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for (var key in query) {
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if (key.charAt(0) === "$")
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return true;
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}
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return false;
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};
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var createNestedOperation = function (keyPath, nestedQuery, owneryQuery, options) {
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if (containsOperation(nestedQuery)) {
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var _a = createQueryOperations(nestedQuery, options), selfOperations = _a[0], nestedOperations = _a[1];
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if (nestedOperations.length) {
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throw new Error("Property queries must contain only operations, or exact objects.");
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}
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return new NestedOperation(keyPath, nestedQuery, owneryQuery, options, selfOperations);
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}
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return new NestedOperation(keyPath, nestedQuery, owneryQuery, options, [
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new EqualsOperation(nestedQuery, owneryQuery, options)
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]);
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};
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var createQueryOperation = function (query, owneryQuery, _a) {
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if (owneryQuery === void 0) { owneryQuery = null; }
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var _b = _a === void 0 ? {} : _a, compare = _b.compare, operations = _b.operations;
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var options = {
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compare: compare || equals,
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operations: Object.assign({}, operations || {})
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};
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var _c = createQueryOperations(query, options), selfOperations = _c[0], nestedOperations = _c[1];
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var ops = [];
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if (selfOperations.length) {
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ops.push(new NestedOperation([], query, owneryQuery, options, selfOperations));
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}
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ops.push.apply(ops, nestedOperations);
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if (ops.length === 1) {
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return ops[0];
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}
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return new QueryOperation(query, owneryQuery, options, ops);
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};
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var createQueryOperations = function (query, options) {
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var selfOperations = [];
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var nestedOperations = [];
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if (!isVanillaObject(query)) {
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selfOperations.push(new EqualsOperation(query, query, options));
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return [selfOperations, nestedOperations];
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}
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for (var key in query) {
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if (key.charAt(0) === "$") {
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var op = createNamedOperation(key, query[key], query, options);
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// probably just a flag for another operation (like $options)
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if (op != null) {
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selfOperations.push(op);
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}
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}
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else {
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nestedOperations.push(createNestedOperation(key.split("."), query[key], query, options));
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}
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}
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return [selfOperations, nestedOperations];
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};
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var createOperationTester = function (operation) { return function (item, key, owner) {
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operation.reset();
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operation.next(item, key, owner);
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return operation.keep;
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}; };
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var createQueryTester = function (query, options) {
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if (options === void 0) { options = {}; }
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return createOperationTester(createQueryOperation(query, null, options));
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};
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var $Ne = /** @class */ (function (_super) {
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__extends($Ne, _super);
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function $Ne() {
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return _super !== null && _super.apply(this, arguments) || this;
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}
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$Ne.prototype.init = function () {
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this._test = createTester(this.params, this.options.compare);
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};
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$Ne.prototype.reset = function () {
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_super.prototype.reset.call(this);
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this.keep = true;
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};
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$Ne.prototype.next = function (item) {
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if (this._test(item)) {
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this.done = true;
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this.keep = false;
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}
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};
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return $Ne;
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}(NamedBaseOperation));
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// https://docs.mongodb.com/manual/reference/operator/query/elemMatch/
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var $ElemMatch = /** @class */ (function (_super) {
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__extends($ElemMatch, _super);
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function $ElemMatch() {
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return _super !== null && _super.apply(this, arguments) || this;
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}
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$ElemMatch.prototype.init = function () {
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this._queryOperation = createQueryOperation(this.params, this.owneryQuery, this.options);
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};
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$ElemMatch.prototype.reset = function () {
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_super.prototype.reset.call(this);
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this._queryOperation.reset();
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};
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$ElemMatch.prototype.next = function (item) {
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if (isArray(item)) {
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for (var i = 0, length_1 = item.length; i < length_1; i++) {
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// reset query operation since item being tested needs to pass _all_ query
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// operations for it to be a success
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this._queryOperation.reset();
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// check item
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this._queryOperation.next(item[i], i, item);
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this.keep = this.keep || this._queryOperation.keep;
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}
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this.done = true;
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}
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else {
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this.done = false;
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this.keep = false;
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}
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};
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return $ElemMatch;
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}(NamedBaseOperation));
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var $Not = /** @class */ (function (_super) {
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__extends($Not, _super);
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function $Not() {
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return _super !== null && _super.apply(this, arguments) || this;
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}
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$Not.prototype.init = function () {
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this._queryOperation = createQueryOperation(this.params, this.owneryQuery, this.options);
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};
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$Not.prototype.reset = function () {
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this._queryOperation.reset();
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};
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$Not.prototype.next = function (item, key, owner) {
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this._queryOperation.next(item, key, owner);
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this.done = this._queryOperation.done;
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this.keep = !this._queryOperation.keep;
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};
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return $Not;
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}(NamedBaseOperation));
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var $Size = /** @class */ (function (_super) {
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__extends($Size, _super);
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function $Size() {
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return _super !== null && _super.apply(this, arguments) || this;
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}
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$Size.prototype.init = function () { };
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$Size.prototype.next = function (item) {
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if (isArray(item) && item.length === this.params) {
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this.done = true;
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this.keep = true;
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}
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// if (parent && parent.length === this.params) {
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// this.done = true;
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// this.keep = true;
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// }
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};
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return $Size;
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}(NamedBaseOperation));
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var $Or = /** @class */ (function (_super) {
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__extends($Or, _super);
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function $Or() {
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return _super !== null && _super.apply(this, arguments) || this;
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}
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$Or.prototype.init = function () {
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var _this = this;
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this._ops = this.params.map(function (op) {
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return createQueryOperation(op, null, _this.options);
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});
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};
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$Or.prototype.reset = function () {
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this.done = false;
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this.keep = false;
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for (var i = 0, length_2 = this._ops.length; i < length_2; i++) {
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this._ops[i].reset();
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}
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};
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$Or.prototype.next = function (item, key, owner) {
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var done = false;
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var success = false;
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for (var i = 0, length_3 = this._ops.length; i < length_3; i++) {
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var op = this._ops[i];
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op.next(item, key, owner);
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if (op.keep) {
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done = true;
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success = op.keep;
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break;
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}
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}
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this.keep = success;
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this.done = done;
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};
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return $Or;
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}(NamedBaseOperation));
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var $Nor = /** @class */ (function (_super) {
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__extends($Nor, _super);
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function $Nor() {
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return _super !== null && _super.apply(this, arguments) || this;
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}
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$Nor.prototype.next = function (item, key, owner) {
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_super.prototype.next.call(this, item, key, owner);
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this.keep = !this.keep;
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};
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return $Nor;
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}($Or));
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var $In = /** @class */ (function (_super) {
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__extends($In, _super);
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function $In() {
|
|
return _super !== null && _super.apply(this, arguments) || this;
|
|
}
|
|
$In.prototype.init = function () {
|
|
var _this = this;
|
|
this._testers = this.params.map(function (value) {
|
|
if (containsOperation(value)) {
|
|
throw new Error("cannot nest $ under " + _this.constructor.name.toLowerCase());
|
|
}
|
|
return createTester(value, _this.options.compare);
|
|
});
|
|
};
|
|
$In.prototype.next = function (item, key, owner) {
|
|
var done = false;
|
|
var success = false;
|
|
for (var i = 0, length_4 = this._testers.length; i < length_4; i++) {
|
|
var test = this._testers[i];
|
|
if (test(item)) {
|
|
done = true;
|
|
success = true;
|
|
break;
|
|
}
|
|
}
|
|
this.keep = success;
|
|
this.done = done;
|
|
};
|
|
return $In;
|
|
}(NamedBaseOperation));
|
|
var $Nin = /** @class */ (function (_super) {
|
|
__extends($Nin, _super);
|
|
function $Nin() {
|
|
return _super !== null && _super.apply(this, arguments) || this;
|
|
}
|
|
$Nin.prototype.next = function (item, key, owner) {
|
|
_super.prototype.next.call(this, item, key, owner);
|
|
this.keep = !this.keep;
|
|
};
|
|
return $Nin;
|
|
}($In));
|
|
var $Exists = /** @class */ (function (_super) {
|
|
__extends($Exists, _super);
|
|
function $Exists() {
|
|
return _super !== null && _super.apply(this, arguments) || this;
|
|
}
|
|
$Exists.prototype.next = function (item, key, owner) {
|
|
if (owner.hasOwnProperty(key) === this.params) {
|
|
this.done = true;
|
|
this.keep = true;
|
|
}
|
|
};
|
|
return $Exists;
|
|
}(NamedBaseOperation));
|
|
var $And = /** @class */ (function (_super) {
|
|
__extends($And, _super);
|
|
function $And(params, owneryQuery, options, name) {
|
|
return _super.call(this, params, owneryQuery, options, params.map(function (query) { return createQueryOperation(query, owneryQuery, options); }), name) || this;
|
|
}
|
|
$And.prototype.next = function (item, key, owner) {
|
|
this.childrenNext(item, key, owner);
|
|
};
|
|
return $And;
|
|
}(NamedGroupOperation));
|
|
var $eq = function (params, owneryQuery, options) {
|
|
return new EqualsOperation(params, owneryQuery, options);
|
|
};
|
|
var $ne = function (params, owneryQuery, options, name) { return new $Ne(params, owneryQuery, options, name); };
|
|
var $or = function (params, owneryQuery, options, name) { return new $Or(params, owneryQuery, options, name); };
|
|
var $nor = function (params, owneryQuery, options, name) { return new $Nor(params, owneryQuery, options, name); };
|
|
var $elemMatch = function (params, owneryQuery, options, name) { return new $ElemMatch(params, owneryQuery, options, name); };
|
|
var $nin = function (params, owneryQuery, options, name) { return new $Nin(params, owneryQuery, options, name); };
|
|
var $in = function (params, owneryQuery, options, name) { return new $In(params, owneryQuery, options, name); };
|
|
var $lt = numericalOperation(function (params) { return function (b) { return b < params; }; });
|
|
var $lte = numericalOperation(function (params) { return function (b) { return b <= params; }; });
|
|
var $gt = numericalOperation(function (params) { return function (b) { return b > params; }; });
|
|
var $gte = numericalOperation(function (params) { return function (b) { return b >= params; }; });
|
|
var $mod = function (_a, owneryQuery, options) {
|
|
var mod = _a[0], equalsValue = _a[1];
|
|
return new EqualsOperation(function (b) { return comparable(b) % mod === equalsValue; }, owneryQuery, options);
|
|
};
|
|
var $exists = function (params, owneryQuery, options, name) { return new $Exists(params, owneryQuery, options, name); };
|
|
var $regex = function (pattern, owneryQuery, options) {
|
|
return new EqualsOperation(new RegExp(pattern, owneryQuery.$options), owneryQuery, options);
|
|
};
|
|
var $not = function (params, owneryQuery, options, name) { return new $Not(params, owneryQuery, options, name); };
|
|
var typeAliases = {
|
|
number: function (v) { return typeof v === "number"; },
|
|
string: function (v) { return typeof v === "string"; },
|
|
bool: function (v) { return typeof v === "boolean"; },
|
|
array: function (v) { return Array.isArray(v); },
|
|
null: function (v) { return v === null; },
|
|
timestamp: function (v) { return v instanceof Date; }
|
|
};
|
|
var $type = function (clazz, owneryQuery, options) {
|
|
return new EqualsOperation(function (b) {
|
|
if (typeof clazz === "string") {
|
|
if (!typeAliases[clazz]) {
|
|
throw new Error("Type alias does not exist");
|
|
}
|
|
return typeAliases[clazz](b);
|
|
}
|
|
return b != null ? b instanceof clazz || b.constructor === clazz : false;
|
|
}, owneryQuery, options);
|
|
};
|
|
var $and = function (params, ownerQuery, options, name) { return new $And(params, ownerQuery, options, name); };
|
|
var $all = $and;
|
|
var $size = function (params, ownerQuery, options) { return new $Size(params, ownerQuery, options, "$size"); };
|
|
var $options = function () { return null; };
|
|
var $where = function (params, ownerQuery, options) {
|
|
var test;
|
|
if (isFunction(params)) {
|
|
test = params;
|
|
}
|
|
else if (!process.env.CSP_ENABLED) {
|
|
test = new Function("obj", "return " + params);
|
|
}
|
|
else {
|
|
throw new Error("In CSP mode, sift does not support strings in \"$where\" condition");
|
|
}
|
|
return new EqualsOperation(function (b) { return test.bind(b)(b); }, ownerQuery, options);
|
|
};
|
|
|
|
var defaultOperations = /*#__PURE__*/Object.freeze({
|
|
__proto__: null,
|
|
$Size: $Size,
|
|
$eq: $eq,
|
|
$ne: $ne,
|
|
$or: $or,
|
|
$nor: $nor,
|
|
$elemMatch: $elemMatch,
|
|
$nin: $nin,
|
|
$in: $in,
|
|
$lt: $lt,
|
|
$lte: $lte,
|
|
$gt: $gt,
|
|
$gte: $gte,
|
|
$mod: $mod,
|
|
$exists: $exists,
|
|
$regex: $regex,
|
|
$not: $not,
|
|
$type: $type,
|
|
$and: $and,
|
|
$all: $all,
|
|
$size: $size,
|
|
$options: $options,
|
|
$where: $where
|
|
});
|
|
|
|
var createDefaultQueryOperation = function (query, ownerQuery, _a) {
|
|
var _b = _a === void 0 ? {} : _a, compare = _b.compare, operations = _b.operations;
|
|
return createQueryOperation(query, ownerQuery, {
|
|
compare: compare,
|
|
operations: Object.assign({}, defaultOperations, operations || {})
|
|
});
|
|
};
|
|
var createDefaultQueryTester = function (query, options) {
|
|
if (options === void 0) { options = {}; }
|
|
var op = createDefaultQueryOperation(query, null, options);
|
|
return createOperationTester(op);
|
|
};
|
|
|
|
exports.$Size = $Size;
|
|
exports.$all = $all;
|
|
exports.$and = $and;
|
|
exports.$elemMatch = $elemMatch;
|
|
exports.$eq = $eq;
|
|
exports.$exists = $exists;
|
|
exports.$gt = $gt;
|
|
exports.$gte = $gte;
|
|
exports.$in = $in;
|
|
exports.$lt = $lt;
|
|
exports.$lte = $lte;
|
|
exports.$mod = $mod;
|
|
exports.$ne = $ne;
|
|
exports.$nin = $nin;
|
|
exports.$nor = $nor;
|
|
exports.$not = $not;
|
|
exports.$options = $options;
|
|
exports.$or = $or;
|
|
exports.$regex = $regex;
|
|
exports.$size = $size;
|
|
exports.$type = $type;
|
|
exports.$where = $where;
|
|
exports.EqualsOperation = EqualsOperation;
|
|
exports.createDefaultQueryOperation = createDefaultQueryOperation;
|
|
exports.createEqualsOperation = createEqualsOperation;
|
|
exports.createOperationTester = createOperationTester;
|
|
exports.createQueryOperation = createQueryOperation;
|
|
exports.createQueryTester = createQueryTester;
|
|
exports.default = createDefaultQueryTester;
|
|
|
|
Object.defineProperty(exports, '__esModule', { value: true });
|
|
|
|
})));
|
|
//# sourceMappingURL=index.js.map
|