"use strict"; var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault"); Object.defineProperty(exports, "__esModule", { value: true }); exports.ObjectWrappingMap = void 0; exports.assign = assign; exports.createEmptyMap = createEmptyMap; exports.createMap = createMap; exports.isMap = isMap; exports.toObject = toObject; var _classCallCheck2 = _interopRequireDefault(require("@babel/runtime/helpers/classCallCheck")); var _createClass2 = _interopRequireDefault(require("@babel/runtime/helpers/createClass")); var _customs = require("./customs.js"); var _is = require("./is.js"); function _createForOfIteratorHelper(o, allowArrayLike) { var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"]; if (!it) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = it.call(o); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it.return != null) it.return(); } finally { if (didErr) throw err; } } }; } function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); } function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; } /** * A map facade on a bare object. * * The small number of methods needed to implement a scope, * forwarding on to the SafeProperty functions. Over time, the codebase * will stop using this method, as all objects will be Maps, rather than * more security prone objects. */ var ObjectWrappingMap = /*#__PURE__*/function () { function ObjectWrappingMap(object) { (0, _classCallCheck2.default)(this, ObjectWrappingMap); this.wrappedObject = object; } (0, _createClass2.default)(ObjectWrappingMap, [{ key: "keys", value: function keys() { return Object.keys(this.wrappedObject); } }, { key: "get", value: function get(key) { return (0, _customs.getSafeProperty)(this.wrappedObject, key); } }, { key: "set", value: function set(key, value) { (0, _customs.setSafeProperty)(this.wrappedObject, key, value); return this; } }, { key: "has", value: function has(key) { return (0, _customs.hasSafeProperty)(this.wrappedObject, key); } }]); return ObjectWrappingMap; }(); /** * Creates an empty map, or whatever your platform's polyfill is. * * @returns an empty Map or Map like object. */ exports.ObjectWrappingMap = ObjectWrappingMap; function createEmptyMap() { return new Map(); } /** * Creates a Map from the given object. * * @param { Map | { [key: string]: unknown } | undefined } mapOrObject * @returns */ function createMap(mapOrObject) { if (!mapOrObject) { return createEmptyMap(); } if (isMap(mapOrObject)) { return mapOrObject; } if ((0, _is.isObject)(mapOrObject)) { return new ObjectWrappingMap(mapOrObject); } throw new Error('createMap can create maps from objects or Maps'); } /** * Unwraps a map into an object. * * @param {Map} map * @returns { [key: string]: unknown } */ function toObject(map) { if (map instanceof ObjectWrappingMap) { return map.wrappedObject; } var object = {}; var _iterator = _createForOfIteratorHelper(map.keys()), _step; try { for (_iterator.s(); !(_step = _iterator.n()).done;) { var key = _step.value; var value = map.get(key); (0, _customs.setSafeProperty)(object, key, value); } } catch (err) { _iterator.e(err); } finally { _iterator.f(); } return object; } /** * Returns `true` if the passed object appears to be a Map (i.e. duck typing). * * Methods looked for are `get`, `set`, `keys` and `has`. * * @param {Map | object} object * @returns */ function isMap(object) { // We can use the fast instanceof, or a slower duck typing check. // The duck typing method needs to cover enough methods to not be confused with DenseMatrix. if (!object) { return false; } return object instanceof Map || object instanceof ObjectWrappingMap || typeof object.set === 'function' && typeof object.get === 'function' && typeof object.keys === 'function' && typeof object.has === 'function'; } /** * Copies the contents of key-value pairs from each `objects` in to `map`. * * Object is `objects` can be a `Map` or object. * * This is the `Map` analog to `Object.assign`. */ function assign(map) { for (var _len = arguments.length, objects = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) { objects[_key - 1] = arguments[_key]; } for (var _i = 0, _objects = objects; _i < _objects.length; _i++) { var args = _objects[_i]; if (!args) { continue; } if (isMap(args)) { var _iterator2 = _createForOfIteratorHelper(args.keys()), _step2; try { for (_iterator2.s(); !(_step2 = _iterator2.n()).done;) { var key = _step2.value; map.set(key, args.get(key)); } } catch (err) { _iterator2.e(err); } finally { _iterator2.f(); } } else if ((0, _is.isObject)(args)) { for (var _i2 = 0, _Object$keys = Object.keys(args); _i2 < _Object$keys.length; _i2++) { var _key2 = _Object$keys[_i2]; map.set(_key2, args[_key2]); } } } return map; }