| 1 | import _mapInstanceProperty from "core-js-pure/features/instance/map.js";
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| 2 | import _forEachInstanceProperty from "core-js-pure/features/instance/for-each.js";
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| 3 | import _Object$defineProperty from "core-js-pure/features/object/define-property.js";
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| 4 | import _pushInstanceProperty from "core-js-pure/features/instance/push.js";
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| 5 | import _indexOfInstanceProperty from "core-js-pure/features/instance/index-of.js";
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| 6 | import _spliceInstanceProperty from "core-js-pure/features/instance/splice.js";
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| 7 | import _Symbol$toStringTag from "core-js-pure/features/symbol/to-string-tag.js";
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| 8 | import _Object$assign from "core-js-pure/features/object/assign.js";
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| 9 | import _findInstanceProperty from "core-js-pure/features/instance/find.js";
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| 10 | import toArray from "./toArray.js";
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| 11 | import toPropertyKey from "./toPropertyKey.js";
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| 12 | export default function _decorate(decorators, factory, superClass, mixins) {
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| 13 | var _context;
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| 14 | var api = _getDecoratorsApi();
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| 15 | if (mixins) {
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| 16 | for (var i = 0; i < mixins.length; i++) {
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| 17 | api = mixins[i](api);
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| 18 | }
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| 19 | }
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| 20 | var r = factory(function initialize(O) {
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| 21 | api.initializeInstanceElements(O, decorated.elements);
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| 22 | }, superClass);
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| 23 | var decorated = api.decorateClass(_coalesceClassElements(_mapInstanceProperty(_context = r.d).call(_context, _createElementDescriptor)), decorators);
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| 24 | api.initializeClassElements(r.F, decorated.elements);
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| 25 | return api.runClassFinishers(r.F, decorated.finishers);
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| 26 | }
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| 27 | function _getDecoratorsApi() {
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| 28 | _getDecoratorsApi = function _getDecoratorsApi() {
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| 29 | return api;
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| 30 | };
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| 31 | var api = {
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| 32 | elementsDefinitionOrder: [["method"], ["field"]],
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| 33 | initializeInstanceElements: function initializeInstanceElements(O, elements) {
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| 34 | var _context2;
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| 35 | _forEachInstanceProperty(_context2 = ["method", "field"]).call(_context2, function (kind) {
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| 36 | _forEachInstanceProperty(elements).call(elements, function (element) {
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| 37 | if (element.kind === kind && element.placement === "own") {
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| 38 | this.defineClassElement(O, element);
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| 39 | }
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| 40 | }, this);
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| 41 | }, this);
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| 42 | },
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| 43 | initializeClassElements: function initializeClassElements(F, elements) {
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| 44 | var _context3;
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| 45 | var proto = F.prototype;
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| 46 | _forEachInstanceProperty(_context3 = ["method", "field"]).call(_context3, function (kind) {
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| 47 | _forEachInstanceProperty(elements).call(elements, function (element) {
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| 48 | var placement = element.placement;
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| 49 | if (element.kind === kind && (placement === "static" || placement === "prototype")) {
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| 50 | var receiver = placement === "static" ? F : proto;
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| 51 | this.defineClassElement(receiver, element);
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| 52 | }
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| 53 | }, this);
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| 54 | }, this);
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| 55 | },
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| 56 | defineClassElement: function defineClassElement(receiver, element) {
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| 57 | var descriptor = element.descriptor;
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| 58 | if (element.kind === "field") {
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| 59 | var initializer = element.initializer;
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| 60 | descriptor = {
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| 61 | enumerable: descriptor.enumerable,
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| 62 | writable: descriptor.writable,
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| 63 | configurable: descriptor.configurable,
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| 64 | value: initializer === void 0 ? void 0 : initializer.call(receiver)
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| 65 | };
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| 66 | }
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| 67 | _Object$defineProperty(receiver, element.key, descriptor);
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| 68 | },
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| 69 | decorateClass: function decorateClass(elements, decorators) {
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| 70 | var newElements = [];
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| 71 | var finishers = [];
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| 72 | var placements = {
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| 73 | "static": [],
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| 74 | prototype: [],
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| 75 | own: []
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| 76 | };
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| 77 | _forEachInstanceProperty(elements).call(elements, function (element) {
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| 78 | this.addElementPlacement(element, placements);
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| 79 | }, this);
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| 80 | _forEachInstanceProperty(elements).call(elements, function (element) {
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| 81 | if (!_hasDecorators(element)) return _pushInstanceProperty(newElements).call(newElements, element);
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| 82 | var elementFinishersExtras = this.decorateElement(element, placements);
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| 83 | _pushInstanceProperty(newElements).call(newElements, elementFinishersExtras.element);
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| 84 | _pushInstanceProperty(newElements).apply(newElements, elementFinishersExtras.extras);
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| 85 | _pushInstanceProperty(finishers).apply(finishers, elementFinishersExtras.finishers);
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| 86 | }, this);
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| 87 | if (!decorators) {
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| 88 | return {
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| 89 | elements: newElements,
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| 90 | finishers: finishers
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| 91 | };
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| 92 | }
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| 93 | var result = this.decorateConstructor(newElements, decorators);
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| 94 | _pushInstanceProperty(finishers).apply(finishers, result.finishers);
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| 95 | result.finishers = finishers;
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| 96 | return result;
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| 97 | },
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| 98 | addElementPlacement: function addElementPlacement(element, placements, silent) {
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| 99 | var keys = placements[element.placement];
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| 100 | if (!silent && _indexOfInstanceProperty(keys).call(keys, element.key) !== -1) {
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| 101 | throw new TypeError("Duplicated element (" + element.key + ")");
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| 102 | }
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| 103 | _pushInstanceProperty(keys).call(keys, element.key);
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| 104 | },
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| 105 | decorateElement: function decorateElement(element, placements) {
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| 106 | var extras = [];
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| 107 | var finishers = [];
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| 108 | for (var decorators = element.decorators, i = decorators.length - 1; i >= 0; i--) {
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| 109 | var keys = placements[element.placement];
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| 110 | _spliceInstanceProperty(keys).call(keys, _indexOfInstanceProperty(keys).call(keys, element.key), 1);
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| 111 | var elementObject = this.fromElementDescriptor(element);
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| 112 | var elementFinisherExtras = this.toElementFinisherExtras((0, decorators[i])(elementObject) || elementObject);
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| 113 | element = elementFinisherExtras.element;
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| 114 | this.addElementPlacement(element, placements);
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| 115 | if (elementFinisherExtras.finisher) {
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| 116 | _pushInstanceProperty(finishers).call(finishers, elementFinisherExtras.finisher);
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| 117 | }
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| 118 | var newExtras = elementFinisherExtras.extras;
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| 119 | if (newExtras) {
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| 120 | for (var j = 0; j < newExtras.length; j++) {
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| 121 | this.addElementPlacement(newExtras[j], placements);
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| 122 | }
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| 123 | _pushInstanceProperty(extras).apply(extras, newExtras);
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| 124 | }
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| 125 | }
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| 126 | return {
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| 127 | element: element,
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| 128 | finishers: finishers,
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| 129 | extras: extras
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| 130 | };
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| 131 | },
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| 132 | decorateConstructor: function decorateConstructor(elements, decorators) {
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| 133 | var finishers = [];
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| 134 | for (var i = decorators.length - 1; i >= 0; i--) {
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| 135 | var obj = this.fromClassDescriptor(elements);
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| 136 | var elementsAndFinisher = this.toClassDescriptor((0, decorators[i])(obj) || obj);
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| 137 | if (elementsAndFinisher.finisher !== undefined) {
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| 138 | _pushInstanceProperty(finishers).call(finishers, elementsAndFinisher.finisher);
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| 139 | }
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| 140 | if (elementsAndFinisher.elements !== undefined) {
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| 141 | elements = elementsAndFinisher.elements;
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| 142 | for (var j = 0; j < elements.length - 1; j++) {
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| 143 | for (var k = j + 1; k < elements.length; k++) {
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| 144 | if (elements[j].key === elements[k].key && elements[j].placement === elements[k].placement) {
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| 145 | throw new TypeError("Duplicated element (" + elements[j].key + ")");
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| 146 | }
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| 147 | }
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| 148 | }
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| 149 | }
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| 150 | }
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| 151 | return {
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| 152 | elements: elements,
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| 153 | finishers: finishers
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| 154 | };
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| 155 | },
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| 156 | fromElementDescriptor: function fromElementDescriptor(element) {
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| 157 | var obj = {
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| 158 | kind: element.kind,
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| 159 | key: element.key,
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| 160 | placement: element.placement,
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| 161 | descriptor: element.descriptor
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| 162 | };
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| 163 | var desc = {
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| 164 | value: "Descriptor",
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| 165 | configurable: true
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| 166 | };
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| 167 | _Object$defineProperty(obj, _Symbol$toStringTag, desc);
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| 168 | if (element.kind === "field") obj.initializer = element.initializer;
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| 169 | return obj;
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| 170 | },
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| 171 | toElementDescriptors: function toElementDescriptors(elementObjects) {
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| 172 | var _context4;
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| 173 | if (elementObjects === undefined) return;
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| 174 | return _mapInstanceProperty(_context4 = toArray(elementObjects)).call(_context4, function (elementObject) {
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| 175 | var element = this.toElementDescriptor(elementObject);
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| 176 | this.disallowProperty(elementObject, "finisher", "An element descriptor");
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| 177 | this.disallowProperty(elementObject, "extras", "An element descriptor");
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| 178 | return element;
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| 179 | }, this);
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| 180 | },
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| 181 | toElementDescriptor: function toElementDescriptor(elementObject) {
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| 182 | var kind = String(elementObject.kind);
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| 183 | if (kind !== "method" && kind !== "field") {
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| 184 | throw new TypeError('An element descriptor\'s .kind property must be either "method" or' + ' "field", but a decorator created an element descriptor with' + ' .kind "' + kind + '"');
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| 185 | }
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| 186 | var key = toPropertyKey(elementObject.key);
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| 187 | var placement = String(elementObject.placement);
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| 188 | if (placement !== "static" && placement !== "prototype" && placement !== "own") {
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| 189 | throw new TypeError('An element descriptor\'s .placement property must be one of "static",' + ' "prototype" or "own", but a decorator created an element descriptor' + ' with .placement "' + placement + '"');
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| 190 | }
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| 191 | var descriptor = elementObject.descriptor;
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| 192 | this.disallowProperty(elementObject, "elements", "An element descriptor");
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| 193 | var element = {
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| 194 | kind: kind,
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| 195 | key: key,
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| 196 | placement: placement,
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| 197 | descriptor: _Object$assign({}, descriptor)
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| 198 | };
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| 199 | if (kind !== "field") {
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| 200 | this.disallowProperty(elementObject, "initializer", "A method descriptor");
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| 201 | } else {
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| 202 | this.disallowProperty(descriptor, "get", "The property descriptor of a field descriptor");
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| 203 | this.disallowProperty(descriptor, "set", "The property descriptor of a field descriptor");
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| 204 | this.disallowProperty(descriptor, "value", "The property descriptor of a field descriptor");
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| 205 | element.initializer = elementObject.initializer;
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| 206 | }
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| 207 | return element;
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| 208 | },
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| 209 | toElementFinisherExtras: function toElementFinisherExtras(elementObject) {
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| 210 | var element = this.toElementDescriptor(elementObject);
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| 211 | var finisher = _optionalCallableProperty(elementObject, "finisher");
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| 212 | var extras = this.toElementDescriptors(elementObject.extras);
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| 213 | return {
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| 214 | element: element,
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| 215 | finisher: finisher,
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| 216 | extras: extras
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| 217 | };
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| 218 | },
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| 219 | fromClassDescriptor: function fromClassDescriptor(elements) {
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| 220 | var obj = {
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| 221 | kind: "class",
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| 222 | elements: _mapInstanceProperty(elements).call(elements, this.fromElementDescriptor, this)
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| 223 | };
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| 224 | var desc = {
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| 225 | value: "Descriptor",
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| 226 | configurable: true
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| 227 | };
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| 228 | _Object$defineProperty(obj, _Symbol$toStringTag, desc);
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| 229 | return obj;
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| 230 | },
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| 231 | toClassDescriptor: function toClassDescriptor(obj) {
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| 232 | var kind = String(obj.kind);
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| 233 | if (kind !== "class") {
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| 234 | throw new TypeError('A class descriptor\'s .kind property must be "class", but a decorator' + ' created a class descriptor with .kind "' + kind + '"');
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| 235 | }
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| 236 | this.disallowProperty(obj, "key", "A class descriptor");
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| 237 | this.disallowProperty(obj, "placement", "A class descriptor");
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| 238 | this.disallowProperty(obj, "descriptor", "A class descriptor");
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| 239 | this.disallowProperty(obj, "initializer", "A class descriptor");
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| 240 | this.disallowProperty(obj, "extras", "A class descriptor");
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| 241 | var finisher = _optionalCallableProperty(obj, "finisher");
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| 242 | var elements = this.toElementDescriptors(obj.elements);
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| 243 | return {
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| 244 | elements: elements,
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| 245 | finisher: finisher
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| 246 | };
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| 247 | },
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| 248 | runClassFinishers: function runClassFinishers(constructor, finishers) {
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| 249 | for (var i = 0; i < finishers.length; i++) {
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| 250 | var newConstructor = (0, finishers[i])(constructor);
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| 251 | if (newConstructor !== undefined) {
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| 252 | if (typeof newConstructor !== "function") {
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| 253 | throw new TypeError("Finishers must return a constructor.");
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| 254 | }
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| 255 | constructor = newConstructor;
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| 256 | }
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| 257 | }
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| 258 | return constructor;
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| 259 | },
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| 260 | disallowProperty: function disallowProperty(obj, name, objectType) {
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| 261 | if (obj[name] !== undefined) {
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| 262 | throw new TypeError(objectType + " can't have a ." + name + " property.");
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| 263 | }
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| 264 | }
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| 265 | };
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| 266 | return api;
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| 267 | }
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| 268 | function _createElementDescriptor(def) {
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| 269 | var key = toPropertyKey(def.key);
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| 270 | var descriptor;
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| 271 | if (def.kind === "method") {
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| 272 | descriptor = {
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| 273 | value: def.value,
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| 274 | writable: true,
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| 275 | configurable: true,
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| 276 | enumerable: false
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| 277 | };
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| 278 | } else if (def.kind === "get") {
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| 279 | descriptor = {
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| 280 | get: def.value,
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| 281 | configurable: true,
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| 282 | enumerable: false
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| 283 | };
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| 284 | } else if (def.kind === "set") {
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| 285 | descriptor = {
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| 286 | set: def.value,
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| 287 | configurable: true,
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| 288 | enumerable: false
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| 289 | };
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| 290 | } else if (def.kind === "field") {
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| 291 | descriptor = {
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| 292 | configurable: true,
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| 293 | writable: true,
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| 294 | enumerable: true
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| 295 | };
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| 296 | }
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| 297 | var element = {
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| 298 | kind: def.kind === "field" ? "field" : "method",
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| 299 | key: key,
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| 300 | placement: def["static"] ? "static" : def.kind === "field" ? "own" : "prototype",
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| 301 | descriptor: descriptor
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| 302 | };
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| 303 | if (def.decorators) element.decorators = def.decorators;
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| 304 | if (def.kind === "field") element.initializer = def.value;
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| 305 | return element;
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| 306 | }
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| 307 | function _coalesceGetterSetter(element, other) {
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| 308 | if (element.descriptor.get !== undefined) {
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| 309 | other.descriptor.get = element.descriptor.get;
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| 310 | } else {
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| 311 | other.descriptor.set = element.descriptor.set;
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| 312 | }
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| 313 | }
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| 314 | function _coalesceClassElements(elements) {
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| 315 | var newElements = [];
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| 316 | var isSameElement = function isSameElement(other) {
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| 317 | return other.kind === "method" && other.key === element.key && other.placement === element.placement;
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| 318 | };
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| 319 | for (var i = 0; i < elements.length; i++) {
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| 320 | var element = elements[i];
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| 321 | var other;
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| 322 | if (element.kind === "method" && (other = _findInstanceProperty(newElements).call(newElements, isSameElement))) {
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| 323 | if (_isDataDescriptor(element.descriptor) || _isDataDescriptor(other.descriptor)) {
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| 324 | if (_hasDecorators(element) || _hasDecorators(other)) {
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| 325 | throw new ReferenceError("Duplicated methods (" + element.key + ") can't be decorated.");
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| 326 | }
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| 327 | other.descriptor = element.descriptor;
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| 328 | } else {
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| 329 | if (_hasDecorators(element)) {
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| 330 | if (_hasDecorators(other)) {
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| 331 | throw new ReferenceError("Decorators can't be placed on different accessors with for " + "the same property (" + element.key + ").");
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| 332 | }
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| 333 | other.decorators = element.decorators;
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| 334 | }
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| 335 | _coalesceGetterSetter(element, other);
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| 336 | }
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| 337 | } else {
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| 338 | _pushInstanceProperty(newElements).call(newElements, element);
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| 339 | }
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| 340 | }
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| 341 | return newElements;
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| 342 | }
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| 343 | function _hasDecorators(element) {
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| 344 | return element.decorators && element.decorators.length;
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| 345 | }
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| 346 | function _isDataDescriptor(desc) {
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| 347 | return desc !== undefined && !(desc.value === undefined && desc.writable === undefined);
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| 348 | }
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| 349 | function _optionalCallableProperty(obj, name) {
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| 350 | var value = obj[name];
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| 351 | if (value !== undefined && typeof value !== "function") {
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| 352 | throw new TypeError("Expected '" + name + "' to be a function");
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| 353 | }
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| 354 | return value;
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| 355 | } |
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