1066 lines
33 KiB
JavaScript
1066 lines
33 KiB
JavaScript
(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 = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.JSONPath = {}));
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}(this, (function (exports) { 'use strict';
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function _typeof(obj) {
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"@babel/helpers - typeof";
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if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
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_typeof = function (obj) {
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return typeof obj;
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};
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} else {
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_typeof = function (obj) {
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return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
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};
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}
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return _typeof(obj);
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}
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function _classCallCheck(instance, Constructor) {
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if (!(instance instanceof Constructor)) {
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throw new TypeError("Cannot call a class as a function");
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}
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}
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function _inherits(subClass, superClass) {
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if (typeof superClass !== "function" && superClass !== null) {
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throw new TypeError("Super expression must either be null or a function");
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}
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subClass.prototype = Object.create(superClass && superClass.prototype, {
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constructor: {
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value: subClass,
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writable: true,
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configurable: true
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}
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});
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if (superClass) _setPrototypeOf(subClass, superClass);
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}
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function _getPrototypeOf(o) {
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_getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) {
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return o.__proto__ || Object.getPrototypeOf(o);
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};
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return _getPrototypeOf(o);
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}
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function _setPrototypeOf(o, p) {
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_setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) {
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o.__proto__ = p;
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return o;
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};
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return _setPrototypeOf(o, p);
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}
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function _isNativeReflectConstruct() {
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if (typeof Reflect === "undefined" || !Reflect.construct) return false;
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if (Reflect.construct.sham) return false;
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if (typeof Proxy === "function") return true;
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try {
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Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {}));
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return true;
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} catch (e) {
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return false;
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}
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}
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function _construct(Parent, args, Class) {
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if (_isNativeReflectConstruct()) {
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_construct = Reflect.construct;
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} else {
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_construct = function _construct(Parent, args, Class) {
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var a = [null];
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a.push.apply(a, args);
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var Constructor = Function.bind.apply(Parent, a);
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var instance = new Constructor();
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if (Class) _setPrototypeOf(instance, Class.prototype);
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return instance;
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};
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}
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return _construct.apply(null, arguments);
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}
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function _isNativeFunction(fn) {
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return Function.toString.call(fn).indexOf("[native code]") !== -1;
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}
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function _wrapNativeSuper(Class) {
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var _cache = typeof Map === "function" ? new Map() : undefined;
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_wrapNativeSuper = function _wrapNativeSuper(Class) {
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if (Class === null || !_isNativeFunction(Class)) return Class;
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if (typeof Class !== "function") {
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throw new TypeError("Super expression must either be null or a function");
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}
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if (typeof _cache !== "undefined") {
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if (_cache.has(Class)) return _cache.get(Class);
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_cache.set(Class, Wrapper);
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}
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function Wrapper() {
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return _construct(Class, arguments, _getPrototypeOf(this).constructor);
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}
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Wrapper.prototype = Object.create(Class.prototype, {
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constructor: {
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value: Wrapper,
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enumerable: false,
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writable: true,
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configurable: true
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}
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});
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return _setPrototypeOf(Wrapper, Class);
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};
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return _wrapNativeSuper(Class);
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}
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function _assertThisInitialized(self) {
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if (self === void 0) {
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throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
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}
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return self;
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}
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function _possibleConstructorReturn(self, call) {
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if (call && (typeof call === "object" || typeof call === "function")) {
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return call;
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}
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return _assertThisInitialized(self);
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}
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function _createSuper(Derived) {
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var hasNativeReflectConstruct = _isNativeReflectConstruct();
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return function _createSuperInternal() {
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var Super = _getPrototypeOf(Derived),
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result;
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if (hasNativeReflectConstruct) {
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var NewTarget = _getPrototypeOf(this).constructor;
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result = Reflect.construct(Super, arguments, NewTarget);
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} else {
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result = Super.apply(this, arguments);
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}
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return _possibleConstructorReturn(this, result);
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};
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}
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function _toConsumableArray(arr) {
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return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread();
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}
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function _arrayWithoutHoles(arr) {
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if (Array.isArray(arr)) return _arrayLikeToArray(arr);
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}
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function _iterableToArray(iter) {
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if (typeof Symbol !== "undefined" && Symbol.iterator in Object(iter)) return Array.from(iter);
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}
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function _unsupportedIterableToArray(o, minLen) {
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if (!o) return;
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if (typeof o === "string") return _arrayLikeToArray(o, minLen);
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var n = Object.prototype.toString.call(o).slice(8, -1);
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if (n === "Object" && o.constructor) n = o.constructor.name;
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if (n === "Map" || n === "Set") return Array.from(o);
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if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen);
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}
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function _arrayLikeToArray(arr, len) {
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if (len == null || len > arr.length) len = arr.length;
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for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i];
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return arr2;
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}
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function _nonIterableSpread() {
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throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
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}
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function _createForOfIteratorHelper(o, allowArrayLike) {
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var it;
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if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) {
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if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") {
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if (it) o = it;
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var i = 0;
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var F = function () {};
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return {
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s: F,
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n: function () {
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if (i >= o.length) return {
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done: true
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};
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return {
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done: false,
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value: o[i++]
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};
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},
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e: function (e) {
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throw e;
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},
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f: F
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};
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}
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throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
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}
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var normalCompletion = true,
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didErr = false,
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err;
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return {
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s: function () {
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it = o[Symbol.iterator]();
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},
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n: function () {
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var step = it.next();
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normalCompletion = step.done;
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return step;
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},
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e: function (e) {
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didErr = true;
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err = e;
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},
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f: function () {
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try {
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if (!normalCompletion && it.return != null) it.return();
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} finally {
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if (didErr) throw err;
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}
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}
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};
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}
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var hasOwnProp = Object.prototype.hasOwnProperty;
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/**
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* @typedef {null|boolean|number|string|PlainObject|GenericArray} JSONObject
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*/
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/**
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* Copies array and then pushes item into it.
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* @param {GenericArray} arr Array to copy and into which to push
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* @param {any} item Array item to add (to end)
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* @returns {GenericArray} Copy of the original array
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*/
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function push(arr, item) {
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arr = arr.slice();
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arr.push(item);
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return arr;
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}
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/**
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* Copies array and then unshifts item into it.
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* @param {any} item Array item to add (to beginning)
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* @param {GenericArray} arr Array to copy and into which to unshift
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* @returns {GenericArray} Copy of the original array
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*/
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function unshift(item, arr) {
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arr = arr.slice();
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arr.unshift(item);
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return arr;
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}
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/**
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* Caught when JSONPath is used without `new` but rethrown if with `new`
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* @extends Error
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*/
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var NewError = /*#__PURE__*/function (_Error) {
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_inherits(NewError, _Error);
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var _super = _createSuper(NewError);
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/**
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* @param {any} value The evaluated scalar value
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*/
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function NewError(value) {
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var _this;
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_classCallCheck(this, NewError);
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_this = _super.call(this, 'JSONPath should not be called with "new" (it prevents return ' + 'of (unwrapped) scalar values)');
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_this.avoidNew = true;
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_this.value = value;
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_this.name = 'NewError';
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return _this;
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}
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return NewError;
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}( /*#__PURE__*/_wrapNativeSuper(Error));
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/**
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* @typedef {PlainObject} ReturnObject
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* @property {string} path
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* @property {JSONObject} value
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* @property {PlainObject|GenericArray} parent
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* @property {string} parentProperty
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*/
|
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/**
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* @callback JSONPathCallback
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* @param {string|PlainObject} preferredOutput
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* @param {"value"|"property"} type
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* @param {ReturnObject} fullRetObj
|
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* @returns {void}
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*/
|
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/**
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* @callback OtherTypeCallback
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* @param {JSONObject} val
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* @param {string} path
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* @param {PlainObject|GenericArray} parent
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* @param {string} parentPropName
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* @returns {boolean}
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*/
|
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/* eslint-disable max-len -- Can make multiline type after https://github.com/syavorsky/comment-parser/issues/109 */
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|
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/**
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* @typedef {PlainObject} JSONPathOptions
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* @property {JSON} json
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* @property {string|string[]} path
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* @property {"value"|"path"|"pointer"|"parent"|"parentProperty"|"all"} [resultType="value"]
|
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* @property {boolean} [flatten=false]
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* @property {boolean} [wrap=true]
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* @property {PlainObject} [sandbox={}]
|
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* @property {boolean} [preventEval=false]
|
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* @property {PlainObject|GenericArray|null} [parent=null]
|
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* @property {string|null} [parentProperty=null]
|
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* @property {JSONPathCallback} [callback]
|
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* @property {OtherTypeCallback} [otherTypeCallback] Defaults to
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* function which throws on encountering `@other`
|
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* @property {boolean} [autostart=true]
|
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*/
|
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|
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/* eslint-enable max-len -- Can make multiline type after https://github.com/syavorsky/comment-parser/issues/109 */
|
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|
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/**
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* @param {string|JSONPathOptions} opts If a string, will be treated as `expr`
|
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* @param {string} [expr] JSON path to evaluate
|
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* @param {JSON} [obj] JSON object to evaluate against
|
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* @param {JSONPathCallback} [callback] Passed 3 arguments: 1) desired payload
|
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* per `resultType`, 2) `"value"|"property"`, 3) Full returned object with
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* all payloads
|
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* @param {OtherTypeCallback} [otherTypeCallback] If `@other()` is at the end
|
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* of one's query, this will be invoked with the value of the item, its
|
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* path, its parent, and its parent's property name, and it should return
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* a boolean indicating whether the supplied value belongs to the "other"
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* type or not (or it may handle transformations and return `false`).
|
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* @returns {JSONPath}
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* @class
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*/
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|
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function JSONPath(opts, expr, obj, callback, otherTypeCallback) {
|
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// eslint-disable-next-line no-restricted-syntax
|
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if (!(this instanceof JSONPath)) {
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try {
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return new JSONPath(opts, expr, obj, callback, otherTypeCallback);
|
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} catch (e) {
|
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if (!e.avoidNew) {
|
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throw e;
|
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}
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|
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return e.value;
|
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}
|
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}
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if (typeof opts === 'string') {
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otherTypeCallback = callback;
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callback = obj;
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obj = expr;
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expr = opts;
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opts = null;
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}
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|
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var optObj = opts && _typeof(opts) === 'object';
|
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opts = opts || {};
|
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this.json = opts.json || obj;
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this.path = opts.path || expr;
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this.resultType = opts.resultType || 'value';
|
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this.flatten = opts.flatten || false;
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this.wrap = hasOwnProp.call(opts, 'wrap') ? opts.wrap : true;
|
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this.sandbox = opts.sandbox || {};
|
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this.preventEval = opts.preventEval || false;
|
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this.parent = opts.parent || null;
|
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this.parentProperty = opts.parentProperty || null;
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this.callback = opts.callback || callback || null;
|
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|
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this.otherTypeCallback = opts.otherTypeCallback || otherTypeCallback || function () {
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throw new TypeError('You must supply an otherTypeCallback callback option ' + 'with the @other() operator.');
|
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};
|
|
|
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if (opts.autostart !== false) {
|
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var args = {
|
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path: optObj ? opts.path : expr
|
|
};
|
|
|
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if (!optObj) {
|
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args.json = obj;
|
|
} else if ('json' in opts) {
|
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args.json = opts.json;
|
|
}
|
|
|
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var ret = this.evaluate(args);
|
|
|
|
if (!ret || _typeof(ret) !== 'object') {
|
|
throw new NewError(ret);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
} // PUBLIC METHODS
|
|
|
|
|
|
JSONPath.prototype.evaluate = function (expr, json, callback, otherTypeCallback) {
|
|
var _this2 = this;
|
|
|
|
var currParent = this.parent,
|
|
currParentProperty = this.parentProperty;
|
|
var flatten = this.flatten,
|
|
wrap = this.wrap;
|
|
this.currResultType = this.resultType;
|
|
this.currPreventEval = this.preventEval;
|
|
this.currSandbox = this.sandbox;
|
|
callback = callback || this.callback;
|
|
this.currOtherTypeCallback = otherTypeCallback || this.otherTypeCallback;
|
|
json = json || this.json;
|
|
expr = expr || this.path;
|
|
|
|
if (expr && _typeof(expr) === 'object' && !Array.isArray(expr)) {
|
|
if (!expr.path && expr.path !== '') {
|
|
throw new TypeError('You must supply a "path" property when providing an object ' + 'argument to JSONPath.evaluate().');
|
|
}
|
|
|
|
if (!hasOwnProp.call(expr, 'json')) {
|
|
throw new TypeError('You must supply a "json" property when providing an object ' + 'argument to JSONPath.evaluate().');
|
|
}
|
|
|
|
var _expr = expr;
|
|
json = _expr.json;
|
|
flatten = hasOwnProp.call(expr, 'flatten') ? expr.flatten : flatten;
|
|
this.currResultType = hasOwnProp.call(expr, 'resultType') ? expr.resultType : this.currResultType;
|
|
this.currSandbox = hasOwnProp.call(expr, 'sandbox') ? expr.sandbox : this.currSandbox;
|
|
wrap = hasOwnProp.call(expr, 'wrap') ? expr.wrap : wrap;
|
|
this.currPreventEval = hasOwnProp.call(expr, 'preventEval') ? expr.preventEval : this.currPreventEval;
|
|
callback = hasOwnProp.call(expr, 'callback') ? expr.callback : callback;
|
|
this.currOtherTypeCallback = hasOwnProp.call(expr, 'otherTypeCallback') ? expr.otherTypeCallback : this.currOtherTypeCallback;
|
|
currParent = hasOwnProp.call(expr, 'parent') ? expr.parent : currParent;
|
|
currParentProperty = hasOwnProp.call(expr, 'parentProperty') ? expr.parentProperty : currParentProperty;
|
|
expr = expr.path;
|
|
}
|
|
|
|
currParent = currParent || null;
|
|
currParentProperty = currParentProperty || null;
|
|
|
|
if (Array.isArray(expr)) {
|
|
expr = JSONPath.toPathString(expr);
|
|
}
|
|
|
|
if (!expr && expr !== '' || !json) {
|
|
return undefined;
|
|
}
|
|
|
|
var exprList = JSONPath.toPathArray(expr);
|
|
|
|
if (exprList[0] === '$' && exprList.length > 1) {
|
|
exprList.shift();
|
|
}
|
|
|
|
this._hasParentSelector = null;
|
|
|
|
var result = this._trace(exprList, json, ['$'], currParent, currParentProperty, callback).filter(function (ea) {
|
|
return ea && !ea.isParentSelector;
|
|
});
|
|
|
|
if (!result.length) {
|
|
return wrap ? [] : undefined;
|
|
}
|
|
|
|
if (!wrap && result.length === 1 && !result[0].hasArrExpr) {
|
|
return this._getPreferredOutput(result[0]);
|
|
}
|
|
|
|
return result.reduce(function (rslt, ea) {
|
|
var valOrPath = _this2._getPreferredOutput(ea);
|
|
|
|
if (flatten && Array.isArray(valOrPath)) {
|
|
rslt = rslt.concat(valOrPath);
|
|
} else {
|
|
rslt.push(valOrPath);
|
|
}
|
|
|
|
return rslt;
|
|
}, []);
|
|
}; // PRIVATE METHODS
|
|
|
|
|
|
JSONPath.prototype._getPreferredOutput = function (ea) {
|
|
var resultType = this.currResultType;
|
|
|
|
switch (resultType) {
|
|
case 'all':
|
|
{
|
|
var path = Array.isArray(ea.path) ? ea.path : JSONPath.toPathArray(ea.path);
|
|
ea.pointer = JSONPath.toPointer(path);
|
|
ea.path = typeof ea.path === 'string' ? ea.path : JSONPath.toPathString(ea.path);
|
|
return ea;
|
|
}
|
|
|
|
case 'value':
|
|
case 'parent':
|
|
case 'parentProperty':
|
|
return ea[resultType];
|
|
|
|
case 'path':
|
|
return JSONPath.toPathString(ea[resultType]);
|
|
|
|
case 'pointer':
|
|
return JSONPath.toPointer(ea.path);
|
|
|
|
default:
|
|
throw new TypeError('Unknown result type');
|
|
}
|
|
};
|
|
|
|
JSONPath.prototype._handleCallback = function (fullRetObj, callback, type) {
|
|
if (callback) {
|
|
var preferredOutput = this._getPreferredOutput(fullRetObj);
|
|
|
|
fullRetObj.path = typeof fullRetObj.path === 'string' ? fullRetObj.path : JSONPath.toPathString(fullRetObj.path); // eslint-disable-next-line node/callback-return
|
|
|
|
callback(preferredOutput, type, fullRetObj);
|
|
}
|
|
};
|
|
/**
|
|
*
|
|
* @param {string} expr
|
|
* @param {JSONObject} val
|
|
* @param {string} path
|
|
* @param {PlainObject|GenericArray} parent
|
|
* @param {string} parentPropName
|
|
* @param {JSONPathCallback} callback
|
|
* @param {boolean} hasArrExpr
|
|
* @param {boolean} literalPriority
|
|
* @returns {ReturnObject|ReturnObject[]}
|
|
*/
|
|
|
|
|
|
JSONPath.prototype._trace = function (expr, val, path, parent, parentPropName, callback, hasArrExpr, literalPriority) {
|
|
var _this3 = this;
|
|
|
|
// No expr to follow? return path and value as the result of
|
|
// this trace branch
|
|
var retObj;
|
|
|
|
if (!expr.length) {
|
|
retObj = {
|
|
path: path,
|
|
value: val,
|
|
parent: parent,
|
|
parentProperty: parentPropName,
|
|
hasArrExpr: hasArrExpr
|
|
};
|
|
|
|
this._handleCallback(retObj, callback, 'value');
|
|
|
|
return retObj;
|
|
}
|
|
|
|
var loc = expr[0],
|
|
x = expr.slice(1); // We need to gather the return value of recursive trace calls in order to
|
|
// do the parent sel computation.
|
|
|
|
var ret = [];
|
|
/**
|
|
*
|
|
* @param {ReturnObject|ReturnObject[]} elems
|
|
* @returns {void}
|
|
*/
|
|
|
|
function addRet(elems) {
|
|
if (Array.isArray(elems)) {
|
|
// This was causing excessive stack size in Node (with or
|
|
// without Babel) against our performance test:
|
|
// `ret.push(...elems);`
|
|
elems.forEach(function (t) {
|
|
ret.push(t);
|
|
});
|
|
} else {
|
|
ret.push(elems);
|
|
}
|
|
}
|
|
|
|
if ((typeof loc !== 'string' || literalPriority) && val && hasOwnProp.call(val, loc)) {
|
|
// simple case--directly follow property
|
|
addRet(this._trace(x, val[loc], push(path, loc), val, loc, callback, hasArrExpr));
|
|
} else if (loc === '*') {
|
|
// all child properties
|
|
this._walk(loc, x, val, path, parent, parentPropName, callback, function (m, l, _x, v, p, par, pr, cb) {
|
|
addRet(_this3._trace(unshift(m, _x), v, p, par, pr, cb, true, true));
|
|
});
|
|
} else if (loc === '..') {
|
|
// all descendent parent properties
|
|
// Check remaining expression with val's immediate children
|
|
addRet(this._trace(x, val, path, parent, parentPropName, callback, hasArrExpr));
|
|
|
|
this._walk(loc, x, val, path, parent, parentPropName, callback, function (m, l, _x, v, p, par, pr, cb) {
|
|
// We don't join m and x here because we only want parents,
|
|
// not scalar values
|
|
if (_typeof(v[m]) === 'object') {
|
|
// Keep going with recursive descent on val's
|
|
// object children
|
|
addRet(_this3._trace(unshift(l, _x), v[m], push(p, m), v, m, cb, true));
|
|
}
|
|
}); // The parent sel computation is handled in the frame above using the
|
|
// ancestor object of val
|
|
|
|
} else if (loc === '^') {
|
|
// This is not a final endpoint, so we do not invoke the callback here
|
|
this._hasParentSelector = true;
|
|
return {
|
|
path: path.slice(0, -1),
|
|
expr: x,
|
|
isParentSelector: true
|
|
};
|
|
} else if (loc === '~') {
|
|
// property name
|
|
retObj = {
|
|
path: push(path, loc),
|
|
value: parentPropName,
|
|
parent: parent,
|
|
parentProperty: null
|
|
};
|
|
|
|
this._handleCallback(retObj, callback, 'property');
|
|
|
|
return retObj;
|
|
} else if (loc === '$') {
|
|
// root only
|
|
addRet(this._trace(x, val, path, null, null, callback, hasArrExpr));
|
|
} else if (/^(\x2D?[0-9]*):(\x2D?[0-9]*):?([0-9]*)$/.test(loc)) {
|
|
// [start:end:step] Python slice syntax
|
|
addRet(this._slice(loc, x, val, path, parent, parentPropName, callback));
|
|
} else if (loc.indexOf('?(') === 0) {
|
|
// [?(expr)] (filtering)
|
|
if (this.currPreventEval) {
|
|
throw new Error('Eval [?(expr)] prevented in JSONPath expression.');
|
|
}
|
|
|
|
this._walk(loc, x, val, path, parent, parentPropName, callback, function (m, l, _x, v, p, par, pr, cb) {
|
|
if (_this3._eval(l.replace(/^\?\(((?:[\0-\t\x0B\f\x0E-\u2027\u202A-\uD7FF\uE000-\uFFFF]|[\uD800-\uDBFF][\uDC00-\uDFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])*?)\)$/, '$1'), v[m], m, p, par, pr)) {
|
|
addRet(_this3._trace(unshift(m, _x), v, p, par, pr, cb, true));
|
|
}
|
|
});
|
|
} else if (loc[0] === '(') {
|
|
// [(expr)] (dynamic property/index)
|
|
if (this.currPreventEval) {
|
|
throw new Error('Eval [(expr)] prevented in JSONPath expression.');
|
|
} // As this will resolve to a property name (but we don't know it
|
|
// yet), property and parent information is relative to the
|
|
// parent of the property to which this expression will resolve
|
|
|
|
|
|
addRet(this._trace(unshift(this._eval(loc, val, path[path.length - 1], path.slice(0, -1), parent, parentPropName), x), val, path, parent, parentPropName, callback, hasArrExpr));
|
|
} else if (loc[0] === '@') {
|
|
// value type: @boolean(), etc.
|
|
var addType = false;
|
|
var valueType = loc.slice(1, -2);
|
|
|
|
switch (valueType) {
|
|
case 'scalar':
|
|
if (!val || !['object', 'function'].includes(_typeof(val))) {
|
|
addType = true;
|
|
}
|
|
|
|
break;
|
|
|
|
case 'boolean':
|
|
case 'string':
|
|
case 'undefined':
|
|
case 'function':
|
|
// eslint-disable-next-line valid-typeof
|
|
if (_typeof(val) === valueType) {
|
|
addType = true;
|
|
}
|
|
|
|
break;
|
|
|
|
case 'integer':
|
|
if (Number.isFinite(val) && !(val % 1)) {
|
|
addType = true;
|
|
}
|
|
|
|
break;
|
|
|
|
case 'number':
|
|
if (Number.isFinite(val)) {
|
|
addType = true;
|
|
}
|
|
|
|
break;
|
|
|
|
case 'nonFinite':
|
|
if (typeof val === 'number' && !Number.isFinite(val)) {
|
|
addType = true;
|
|
}
|
|
|
|
break;
|
|
|
|
case 'object':
|
|
// eslint-disable-next-line valid-typeof
|
|
if (val && _typeof(val) === valueType) {
|
|
addType = true;
|
|
}
|
|
|
|
break;
|
|
|
|
case 'array':
|
|
if (Array.isArray(val)) {
|
|
addType = true;
|
|
}
|
|
|
|
break;
|
|
|
|
case 'other':
|
|
addType = this.currOtherTypeCallback(val, path, parent, parentPropName);
|
|
break;
|
|
|
|
case 'null':
|
|
if (val === null) {
|
|
addType = true;
|
|
}
|
|
|
|
break;
|
|
|
|
/* istanbul ignore next */
|
|
|
|
default:
|
|
throw new TypeError('Unknown value type ' + valueType);
|
|
}
|
|
|
|
if (addType) {
|
|
retObj = {
|
|
path: path,
|
|
value: val,
|
|
parent: parent,
|
|
parentProperty: parentPropName
|
|
};
|
|
|
|
this._handleCallback(retObj, callback, 'value');
|
|
|
|
return retObj;
|
|
} // `-escaped property
|
|
|
|
} else if (loc[0] === '`' && val && hasOwnProp.call(val, loc.slice(1))) {
|
|
var locProp = loc.slice(1);
|
|
addRet(this._trace(x, val[locProp], push(path, locProp), val, locProp, callback, hasArrExpr, true));
|
|
} else if (loc.includes(',')) {
|
|
// [name1,name2,...]
|
|
var parts = loc.split(',');
|
|
|
|
var _iterator = _createForOfIteratorHelper(parts),
|
|
_step;
|
|
|
|
try {
|
|
for (_iterator.s(); !(_step = _iterator.n()).done;) {
|
|
var part = _step.value;
|
|
addRet(this._trace(unshift(part, x), val, path, parent, parentPropName, callback, true));
|
|
} // simple case--directly follow property
|
|
|
|
} catch (err) {
|
|
_iterator.e(err);
|
|
} finally {
|
|
_iterator.f();
|
|
}
|
|
} else if (!literalPriority && val && hasOwnProp.call(val, loc)) {
|
|
addRet(this._trace(x, val[loc], push(path, loc), val, loc, callback, hasArrExpr, true));
|
|
} // We check the resulting values for parent selections. For parent
|
|
// selections we discard the value object and continue the trace with the
|
|
// current val object
|
|
|
|
|
|
if (this._hasParentSelector) {
|
|
for (var t = 0; t < ret.length; t++) {
|
|
var rett = ret[t];
|
|
|
|
if (rett && rett.isParentSelector) {
|
|
var tmp = this._trace(rett.expr, val, rett.path, parent, parentPropName, callback, hasArrExpr);
|
|
|
|
if (Array.isArray(tmp)) {
|
|
ret[t] = tmp[0];
|
|
var tl = tmp.length;
|
|
|
|
for (var tt = 1; tt < tl; tt++) {
|
|
t++;
|
|
ret.splice(t, 0, tmp[tt]);
|
|
}
|
|
} else {
|
|
ret[t] = tmp;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
};
|
|
|
|
JSONPath.prototype._walk = function (loc, expr, val, path, parent, parentPropName, callback, f) {
|
|
if (Array.isArray(val)) {
|
|
var n = val.length;
|
|
|
|
for (var i = 0; i < n; i++) {
|
|
f(i, loc, expr, val, path, parent, parentPropName, callback);
|
|
}
|
|
} else if (val && _typeof(val) === 'object') {
|
|
Object.keys(val).forEach(function (m) {
|
|
f(m, loc, expr, val, path, parent, parentPropName, callback);
|
|
});
|
|
}
|
|
};
|
|
|
|
JSONPath.prototype._slice = function (loc, expr, val, path, parent, parentPropName, callback) {
|
|
if (!Array.isArray(val)) {
|
|
return undefined;
|
|
}
|
|
|
|
var len = val.length,
|
|
parts = loc.split(':'),
|
|
step = parts[2] && Number.parseInt(parts[2]) || 1;
|
|
var start = parts[0] && Number.parseInt(parts[0]) || 0,
|
|
end = parts[1] && Number.parseInt(parts[1]) || len;
|
|
start = start < 0 ? Math.max(0, start + len) : Math.min(len, start);
|
|
end = end < 0 ? Math.max(0, end + len) : Math.min(len, end);
|
|
var ret = [];
|
|
|
|
for (var i = start; i < end; i += step) {
|
|
var tmp = this._trace(unshift(i, expr), val, path, parent, parentPropName, callback, true); // Should only be possible to be an array here since first part of
|
|
// ``unshift(i, expr)` passed in above would not be empty, nor `~`,
|
|
// nor begin with `@` (as could return objects)
|
|
// This was causing excessive stack size in Node (with or
|
|
// without Babel) against our performance test: `ret.push(...tmp);`
|
|
|
|
|
|
tmp.forEach(function (t) {
|
|
ret.push(t);
|
|
});
|
|
}
|
|
|
|
return ret;
|
|
};
|
|
|
|
JSONPath.prototype._eval = function (code, _v, _vname, path, parent, parentPropName) {
|
|
if (code.includes('@parentProperty')) {
|
|
this.currSandbox._$_parentProperty = parentPropName;
|
|
code = code.replace(/@parentProperty/g, '_$_parentProperty');
|
|
}
|
|
|
|
if (code.includes('@parent')) {
|
|
this.currSandbox._$_parent = parent;
|
|
code = code.replace(/@parent/g, '_$_parent');
|
|
}
|
|
|
|
if (code.includes('@property')) {
|
|
this.currSandbox._$_property = _vname;
|
|
code = code.replace(/@property/g, '_$_property');
|
|
}
|
|
|
|
if (code.includes('@path')) {
|
|
this.currSandbox._$_path = JSONPath.toPathString(path.concat([_vname]));
|
|
code = code.replace(/@path/g, '_$_path');
|
|
}
|
|
|
|
if (code.includes('@root')) {
|
|
this.currSandbox._$_root = this.json;
|
|
code = code.replace(/@root/g, '_$_root');
|
|
}
|
|
|
|
if (/@([\t-\r \)\.\[\xA0\u1680\u2000-\u200A\u2028\u2029\u202F\u205F\u3000\uFEFF])/.test(code)) {
|
|
this.currSandbox._$_v = _v;
|
|
code = code.replace(/@([\t-\r \)\.\[\xA0\u1680\u2000-\u200A\u2028\u2029\u202F\u205F\u3000\uFEFF])/g, '_$_v$1');
|
|
}
|
|
|
|
try {
|
|
return this.vm.runInNewContext(code, this.currSandbox);
|
|
} catch (e) {
|
|
// eslint-disable-next-line no-console
|
|
console.log(e);
|
|
throw new Error('jsonPath: ' + e.message + ': ' + code);
|
|
}
|
|
}; // PUBLIC CLASS PROPERTIES AND METHODS
|
|
// Could store the cache object itself
|
|
|
|
|
|
JSONPath.cache = {};
|
|
/**
|
|
* @param {string[]} pathArr Array to convert
|
|
* @returns {string} The path string
|
|
*/
|
|
|
|
JSONPath.toPathString = function (pathArr) {
|
|
var x = pathArr,
|
|
n = x.length;
|
|
var p = '$';
|
|
|
|
for (var i = 1; i < n; i++) {
|
|
if (!/^(~|\^|@(?:[\0-\t\x0B\f\x0E-\u2027\u202A-\uD7FF\uE000-\uFFFF]|[\uD800-\uDBFF][\uDC00-\uDFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])*?\(\))$/.test(x[i])) {
|
|
p += /^[\*0-9]+$/.test(x[i]) ? '[' + x[i] + ']' : "['" + x[i] + "']";
|
|
}
|
|
}
|
|
|
|
return p;
|
|
};
|
|
/**
|
|
* @param {string} pointer JSON Path
|
|
* @returns {string} JSON Pointer
|
|
*/
|
|
|
|
|
|
JSONPath.toPointer = function (pointer) {
|
|
var x = pointer,
|
|
n = x.length;
|
|
var p = '';
|
|
|
|
for (var i = 1; i < n; i++) {
|
|
if (!/^(~|\^|@(?:[\0-\t\x0B\f\x0E-\u2027\u202A-\uD7FF\uE000-\uFFFF]|[\uD800-\uDBFF][\uDC00-\uDFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])*?\(\))$/.test(x[i])) {
|
|
p += '/' + x[i].toString().replace(/~/g, '~0').replace(/\//g, '~1');
|
|
}
|
|
}
|
|
|
|
return p;
|
|
};
|
|
/**
|
|
* @param {string} expr Expression to convert
|
|
* @returns {string[]}
|
|
*/
|
|
|
|
|
|
JSONPath.toPathArray = function (expr) {
|
|
var cache = JSONPath.cache;
|
|
|
|
if (cache[expr]) {
|
|
return cache[expr].concat();
|
|
}
|
|
|
|
var subx = [];
|
|
var normalized = expr // Properties
|
|
.replace(/@(?:null|boolean|number|string|integer|undefined|nonFinite|scalar|array|object|function|other)\(\)/g, ';$&;') // Parenthetical evaluations (filtering and otherwise), directly
|
|
// within brackets or single quotes
|
|
.replace(/['\[](\??\((?:[\0-\t\x0B\f\x0E-\u2027\u202A-\uD7FF\uE000-\uFFFF]|[\uD800-\uDBFF][\uDC00-\uDFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])*?\))['\]]/g, function ($0, $1) {
|
|
return '[#' + (subx.push($1) - 1) + ']';
|
|
}) // Escape periods and tildes within properties
|
|
.replace(/\['((?:(?!['\]])[\s\S])*)'\]/g, function ($0, prop) {
|
|
return "['" + prop.replace(/\./g, '%@%').replace(/~/g, '%%@@%%') + "']";
|
|
}) // Properties operator
|
|
.replace(/~/g, ';~;') // Split by property boundaries
|
|
.replace(/'?\.'?(?!(?:(?!\[)[\s\S])*\])|\['?/g, ';') // Reinsert periods within properties
|
|
.replace(/%@%/g, '.') // Reinsert tildes within properties
|
|
.replace(/%%@@%%/g, '~') // Parent
|
|
.replace(/(?:;)?(\^+)(?:;)?/g, function ($0, ups) {
|
|
return ';' + ups.split('').join(';') + ';';
|
|
}) // Descendents
|
|
.replace(/;;;|;;/g, ';..;') // Remove trailing
|
|
.replace(/;$|'?\]|'$/g, '');
|
|
var exprList = normalized.split(';').map(function (exp) {
|
|
var match = exp.match(/#([0-9]+)/);
|
|
return !match || !match[1] ? exp : subx[match[1]];
|
|
});
|
|
cache[expr] = exprList;
|
|
return cache[expr].concat();
|
|
};
|
|
|
|
/**
|
|
* @callback ConditionCallback
|
|
* @param {any} item
|
|
* @returns {boolean}
|
|
*/
|
|
|
|
/**
|
|
* Copy items out of one array into another.
|
|
* @param {GenericArray} source Array with items to copy
|
|
* @param {GenericArray} target Array to which to copy
|
|
* @param {ConditionCallback} conditionCb Callback passed the current item;
|
|
* will move item if evaluates to `true`
|
|
* @returns {void}
|
|
*/
|
|
|
|
var moveToAnotherArray = function moveToAnotherArray(source, target, conditionCb) {
|
|
var il = source.length;
|
|
|
|
for (var i = 0; i < il; i++) {
|
|
var item = source[i];
|
|
|
|
if (conditionCb(item)) {
|
|
target.push(source.splice(i--, 1)[0]);
|
|
}
|
|
}
|
|
};
|
|
|
|
JSONPath.prototype.vm = {
|
|
/**
|
|
* @param {string} expr Expression to evaluate
|
|
* @param {PlainObject} context Object whose items will be added
|
|
* to evaluation
|
|
* @returns {any} Result of evaluated code
|
|
*/
|
|
runInNewContext: function runInNewContext(expr, context) {
|
|
var keys = Object.keys(context);
|
|
var funcs = [];
|
|
moveToAnotherArray(keys, funcs, function (key) {
|
|
return typeof context[key] === 'function';
|
|
});
|
|
var values = keys.map(function (vr, i) {
|
|
return context[vr];
|
|
});
|
|
var funcString = funcs.reduce(function (s, func) {
|
|
var fString = context[func].toString();
|
|
|
|
if (!/function/.test(fString)) {
|
|
fString = 'function ' + fString;
|
|
}
|
|
|
|
return 'var ' + func + '=' + fString + ';' + s;
|
|
}, '');
|
|
expr = funcString + expr; // Mitigate http://perfectionkills.com/global-eval-what-are-the-options/#new_function
|
|
|
|
if (!/(["'])use strict\1/.test(expr) && !keys.includes('arguments')) {
|
|
expr = 'var arguments = undefined;' + expr;
|
|
} // Remove last semi so `return` will be inserted before
|
|
// the previous one instead, allowing for the return
|
|
// of a bare ending expression
|
|
|
|
|
|
expr = expr.replace(/;[\t-\r \xA0\u1680\u2000-\u200A\u2028\u2029\u202F\u205F\u3000\uFEFF]*$/, ''); // Insert `return`
|
|
|
|
var lastStatementEnd = expr.lastIndexOf(';');
|
|
var code = lastStatementEnd > -1 ? expr.slice(0, lastStatementEnd + 1) + ' return ' + expr.slice(lastStatementEnd + 1) : ' return ' + expr; // eslint-disable-next-line no-new-func
|
|
|
|
return _construct(Function, _toConsumableArray(keys).concat([code])).apply(void 0, _toConsumableArray(values));
|
|
}
|
|
};
|
|
|
|
exports.JSONPath = JSONPath;
|
|
|
|
Object.defineProperty(exports, '__esModule', { value: true });
|
|
|
|
})));
|