1 | var _Object$assign = require("@babel/runtime-corejs2/core-js/object/assign");
|
2 |
|
3 | var _Symbol$toStringTag = require("@babel/runtime-corejs2/core-js/symbol/to-string-tag");
|
4 |
|
5 | var _Object$defineProperty = require("@babel/runtime-corejs2/core-js/object/define-property");
|
6 |
|
7 | var toArray = require("./toArray");
|
8 |
|
9 | var toPropertyKey = require("./toPropertyKey");
|
10 |
|
11 | function _decorate(decorators, factory, superClass, mixins) {
|
12 | var api = _getDecoratorsApi();
|
13 |
|
14 | if (mixins) {
|
15 | for (var i = 0; i < mixins.length; i++) {
|
16 | api = mixins[i](api);
|
17 | }
|
18 | }
|
19 |
|
20 | var r = factory(function initialize(O) {
|
21 | api.initializeInstanceElements(O, decorated.elements);
|
22 | }, superClass);
|
23 | var decorated = api.decorateClass(_coalesceClassElements(r.d.map(_createElementDescriptor)), decorators);
|
24 | api.initializeClassElements(r.F, decorated.elements);
|
25 | return api.runClassFinishers(r.F, decorated.finishers);
|
26 | }
|
27 |
|
28 | function _getDecoratorsApi() {
|
29 | _getDecoratorsApi = function _getDecoratorsApi() {
|
30 | return api;
|
31 | };
|
32 |
|
33 | var api = {
|
34 | elementsDefinitionOrder: [["method"], ["field"]],
|
35 | initializeInstanceElements: function initializeInstanceElements(O, elements) {
|
36 | ["method", "field"].forEach(function (kind) {
|
37 | elements.forEach(function (element) {
|
38 | if (element.kind === kind && element.placement === "own") {
|
39 | this.defineClassElement(O, element);
|
40 | }
|
41 | }, this);
|
42 | }, this);
|
43 | },
|
44 | initializeClassElements: function initializeClassElements(F, elements) {
|
45 | var proto = F.prototype;
|
46 | ["method", "field"].forEach(function (kind) {
|
47 | elements.forEach(function (element) {
|
48 | var placement = element.placement;
|
49 |
|
50 | if (element.kind === kind && (placement === "static" || placement === "prototype")) {
|
51 | var receiver = placement === "static" ? F : proto;
|
52 | this.defineClassElement(receiver, element);
|
53 | }
|
54 | }, this);
|
55 | }, this);
|
56 | },
|
57 | defineClassElement: function defineClassElement(receiver, element) {
|
58 | var descriptor = element.descriptor;
|
59 |
|
60 | if (element.kind === "field") {
|
61 | var initializer = element.initializer;
|
62 | descriptor = {
|
63 | enumerable: descriptor.enumerable,
|
64 | writable: descriptor.writable,
|
65 | configurable: descriptor.configurable,
|
66 | value: initializer === void 0 ? void 0 : initializer.call(receiver)
|
67 | };
|
68 | }
|
69 |
|
70 | _Object$defineProperty(receiver, element.key, descriptor);
|
71 | },
|
72 | decorateClass: function decorateClass(elements, decorators) {
|
73 | var newElements = [];
|
74 | var finishers = [];
|
75 | var placements = {
|
76 | "static": [],
|
77 | prototype: [],
|
78 | own: []
|
79 | };
|
80 | elements.forEach(function (element) {
|
81 | this.addElementPlacement(element, placements);
|
82 | }, this);
|
83 | elements.forEach(function (element) {
|
84 | if (!_hasDecorators(element)) return newElements.push(element);
|
85 | var elementFinishersExtras = this.decorateElement(element, placements);
|
86 | newElements.push(elementFinishersExtras.element);
|
87 | newElements.push.apply(newElements, elementFinishersExtras.extras);
|
88 | finishers.push.apply(finishers, elementFinishersExtras.finishers);
|
89 | }, this);
|
90 |
|
91 | if (!decorators) {
|
92 | return {
|
93 | elements: newElements,
|
94 | finishers: finishers
|
95 | };
|
96 | }
|
97 |
|
98 | var result = this.decorateConstructor(newElements, decorators);
|
99 | finishers.push.apply(finishers, result.finishers);
|
100 | result.finishers = finishers;
|
101 | return result;
|
102 | },
|
103 | addElementPlacement: function addElementPlacement(element, placements, silent) {
|
104 | var keys = placements[element.placement];
|
105 |
|
106 | if (!silent && keys.indexOf(element.key) !== -1) {
|
107 | throw new TypeError("Duplicated element (" + element.key + ")");
|
108 | }
|
109 |
|
110 | keys.push(element.key);
|
111 | },
|
112 | decorateElement: function decorateElement(element, placements) {
|
113 | var extras = [];
|
114 | var finishers = [];
|
115 |
|
116 | for (var decorators = element.decorators, i = decorators.length - 1; i >= 0; i--) {
|
117 | var keys = placements[element.placement];
|
118 | keys.splice(keys.indexOf(element.key), 1);
|
119 | var elementObject = this.fromElementDescriptor(element);
|
120 | var elementFinisherExtras = this.toElementFinisherExtras((0, decorators[i])(elementObject) || elementObject);
|
121 | element = elementFinisherExtras.element;
|
122 | this.addElementPlacement(element, placements);
|
123 |
|
124 | if (elementFinisherExtras.finisher) {
|
125 | finishers.push(elementFinisherExtras.finisher);
|
126 | }
|
127 |
|
128 | var newExtras = elementFinisherExtras.extras;
|
129 |
|
130 | if (newExtras) {
|
131 | for (var j = 0; j < newExtras.length; j++) {
|
132 | this.addElementPlacement(newExtras[j], placements);
|
133 | }
|
134 |
|
135 | extras.push.apply(extras, newExtras);
|
136 | }
|
137 | }
|
138 |
|
139 | return {
|
140 | element: element,
|
141 | finishers: finishers,
|
142 | extras: extras
|
143 | };
|
144 | },
|
145 | decorateConstructor: function decorateConstructor(elements, decorators) {
|
146 | var finishers = [];
|
147 |
|
148 | for (var i = decorators.length - 1; i >= 0; i--) {
|
149 | var obj = this.fromClassDescriptor(elements);
|
150 | var elementsAndFinisher = this.toClassDescriptor((0, decorators[i])(obj) || obj);
|
151 |
|
152 | if (elementsAndFinisher.finisher !== undefined) {
|
153 | finishers.push(elementsAndFinisher.finisher);
|
154 | }
|
155 |
|
156 | if (elementsAndFinisher.elements !== undefined) {
|
157 | elements = elementsAndFinisher.elements;
|
158 |
|
159 | for (var j = 0; j < elements.length - 1; j++) {
|
160 | for (var k = j + 1; k < elements.length; k++) {
|
161 | if (elements[j].key === elements[k].key && elements[j].placement === elements[k].placement) {
|
162 | throw new TypeError("Duplicated element (" + elements[j].key + ")");
|
163 | }
|
164 | }
|
165 | }
|
166 | }
|
167 | }
|
168 |
|
169 | return {
|
170 | elements: elements,
|
171 | finishers: finishers
|
172 | };
|
173 | },
|
174 | fromElementDescriptor: function fromElementDescriptor(element) {
|
175 | var obj = {
|
176 | kind: element.kind,
|
177 | key: element.key,
|
178 | placement: element.placement,
|
179 | descriptor: element.descriptor
|
180 | };
|
181 | var desc = {
|
182 | value: "Descriptor",
|
183 | configurable: true
|
184 | };
|
185 |
|
186 | _Object$defineProperty(obj, _Symbol$toStringTag, desc);
|
187 |
|
188 | if (element.kind === "field") obj.initializer = element.initializer;
|
189 | return obj;
|
190 | },
|
191 | toElementDescriptors: function toElementDescriptors(elementObjects) {
|
192 | if (elementObjects === undefined) return;
|
193 | return toArray(elementObjects).map(function (elementObject) {
|
194 | var element = this.toElementDescriptor(elementObject);
|
195 | this.disallowProperty(elementObject, "finisher", "An element descriptor");
|
196 | this.disallowProperty(elementObject, "extras", "An element descriptor");
|
197 | return element;
|
198 | }, this);
|
199 | },
|
200 | toElementDescriptor: function toElementDescriptor(elementObject) {
|
201 | var kind = String(elementObject.kind);
|
202 |
|
203 | if (kind !== "method" && kind !== "field") {
|
204 | 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 + '"');
|
205 | }
|
206 |
|
207 | var key = toPropertyKey(elementObject.key);
|
208 | var placement = String(elementObject.placement);
|
209 |
|
210 | if (placement !== "static" && placement !== "prototype" && placement !== "own") {
|
211 | 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 + '"');
|
212 | }
|
213 |
|
214 | var descriptor = elementObject.descriptor;
|
215 | this.disallowProperty(elementObject, "elements", "An element descriptor");
|
216 | var element = {
|
217 | kind: kind,
|
218 | key: key,
|
219 | placement: placement,
|
220 | descriptor: _Object$assign({}, descriptor)
|
221 | };
|
222 |
|
223 | if (kind !== "field") {
|
224 | this.disallowProperty(elementObject, "initializer", "A method descriptor");
|
225 | } else {
|
226 | this.disallowProperty(descriptor, "get", "The property descriptor of a field descriptor");
|
227 | this.disallowProperty(descriptor, "set", "The property descriptor of a field descriptor");
|
228 | this.disallowProperty(descriptor, "value", "The property descriptor of a field descriptor");
|
229 | element.initializer = elementObject.initializer;
|
230 | }
|
231 |
|
232 | return element;
|
233 | },
|
234 | toElementFinisherExtras: function toElementFinisherExtras(elementObject) {
|
235 | var element = this.toElementDescriptor(elementObject);
|
236 |
|
237 | var finisher = _optionalCallableProperty(elementObject, "finisher");
|
238 |
|
239 | var extras = this.toElementDescriptors(elementObject.extras);
|
240 | return {
|
241 | element: element,
|
242 | finisher: finisher,
|
243 | extras: extras
|
244 | };
|
245 | },
|
246 | fromClassDescriptor: function fromClassDescriptor(elements) {
|
247 | var obj = {
|
248 | kind: "class",
|
249 | elements: elements.map(this.fromElementDescriptor, this)
|
250 | };
|
251 | var desc = {
|
252 | value: "Descriptor",
|
253 | configurable: true
|
254 | };
|
255 |
|
256 | _Object$defineProperty(obj, _Symbol$toStringTag, desc);
|
257 |
|
258 | return obj;
|
259 | },
|
260 | toClassDescriptor: function toClassDescriptor(obj) {
|
261 | var kind = String(obj.kind);
|
262 |
|
263 | if (kind !== "class") {
|
264 | throw new TypeError('A class descriptor\'s .kind property must be "class", but a decorator' + ' created a class descriptor with .kind "' + kind + '"');
|
265 | }
|
266 |
|
267 | this.disallowProperty(obj, "key", "A class descriptor");
|
268 | this.disallowProperty(obj, "placement", "A class descriptor");
|
269 | this.disallowProperty(obj, "descriptor", "A class descriptor");
|
270 | this.disallowProperty(obj, "initializer", "A class descriptor");
|
271 | this.disallowProperty(obj, "extras", "A class descriptor");
|
272 |
|
273 | var finisher = _optionalCallableProperty(obj, "finisher");
|
274 |
|
275 | var elements = this.toElementDescriptors(obj.elements);
|
276 | return {
|
277 | elements: elements,
|
278 | finisher: finisher
|
279 | };
|
280 | },
|
281 | runClassFinishers: function runClassFinishers(constructor, finishers) {
|
282 | for (var i = 0; i < finishers.length; i++) {
|
283 | var newConstructor = (0, finishers[i])(constructor);
|
284 |
|
285 | if (newConstructor !== undefined) {
|
286 | if (typeof newConstructor !== "function") {
|
287 | throw new TypeError("Finishers must return a constructor.");
|
288 | }
|
289 |
|
290 | constructor = newConstructor;
|
291 | }
|
292 | }
|
293 |
|
294 | return constructor;
|
295 | },
|
296 | disallowProperty: function disallowProperty(obj, name, objectType) {
|
297 | if (obj[name] !== undefined) {
|
298 | throw new TypeError(objectType + " can't have a ." + name + " property.");
|
299 | }
|
300 | }
|
301 | };
|
302 | return api;
|
303 | }
|
304 |
|
305 | function _createElementDescriptor(def) {
|
306 | var key = toPropertyKey(def.key);
|
307 | var descriptor;
|
308 |
|
309 | if (def.kind === "method") {
|
310 | descriptor = {
|
311 | value: def.value,
|
312 | writable: true,
|
313 | configurable: true,
|
314 | enumerable: false
|
315 | };
|
316 | } else if (def.kind === "get") {
|
317 | descriptor = {
|
318 | get: def.value,
|
319 | configurable: true,
|
320 | enumerable: false
|
321 | };
|
322 | } else if (def.kind === "set") {
|
323 | descriptor = {
|
324 | set: def.value,
|
325 | configurable: true,
|
326 | enumerable: false
|
327 | };
|
328 | } else if (def.kind === "field") {
|
329 | descriptor = {
|
330 | configurable: true,
|
331 | writable: true,
|
332 | enumerable: true
|
333 | };
|
334 | }
|
335 |
|
336 | var element = {
|
337 | kind: def.kind === "field" ? "field" : "method",
|
338 | key: key,
|
339 | placement: def["static"] ? "static" : def.kind === "field" ? "own" : "prototype",
|
340 | descriptor: descriptor
|
341 | };
|
342 | if (def.decorators) element.decorators = def.decorators;
|
343 | if (def.kind === "field") element.initializer = def.value;
|
344 | return element;
|
345 | }
|
346 |
|
347 | function _coalesceGetterSetter(element, other) {
|
348 | if (element.descriptor.get !== undefined) {
|
349 | other.descriptor.get = element.descriptor.get;
|
350 | } else {
|
351 | other.descriptor.set = element.descriptor.set;
|
352 | }
|
353 | }
|
354 |
|
355 | function _coalesceClassElements(elements) {
|
356 | var newElements = [];
|
357 |
|
358 | var isSameElement = function isSameElement(other) {
|
359 | return other.kind === "method" && other.key === element.key && other.placement === element.placement;
|
360 | };
|
361 |
|
362 | for (var i = 0; i < elements.length; i++) {
|
363 | var element = elements[i];
|
364 | var other;
|
365 |
|
366 | if (element.kind === "method" && (other = newElements.find(isSameElement))) {
|
367 | if (_isDataDescriptor(element.descriptor) || _isDataDescriptor(other.descriptor)) {
|
368 | if (_hasDecorators(element) || _hasDecorators(other)) {
|
369 | throw new ReferenceError("Duplicated methods (" + element.key + ") can't be decorated.");
|
370 | }
|
371 |
|
372 | other.descriptor = element.descriptor;
|
373 | } else {
|
374 | if (_hasDecorators(element)) {
|
375 | if (_hasDecorators(other)) {
|
376 | throw new ReferenceError("Decorators can't be placed on different accessors with for " + "the same property (" + element.key + ").");
|
377 | }
|
378 |
|
379 | other.decorators = element.decorators;
|
380 | }
|
381 |
|
382 | _coalesceGetterSetter(element, other);
|
383 | }
|
384 | } else {
|
385 | newElements.push(element);
|
386 | }
|
387 | }
|
388 |
|
389 | return newElements;
|
390 | }
|
391 |
|
392 | function _hasDecorators(element) {
|
393 | return element.decorators && element.decorators.length;
|
394 | }
|
395 |
|
396 | function _isDataDescriptor(desc) {
|
397 | return desc !== undefined && !(desc.value === undefined && desc.writable === undefined);
|
398 | }
|
399 |
|
400 | function _optionalCallableProperty(obj, name) {
|
401 | var value = obj[name];
|
402 |
|
403 | if (value !== undefined && typeof value !== "function") {
|
404 | throw new TypeError("Expected '" + name + "' to be a function");
|
405 | }
|
406 |
|
407 | return value;
|
408 | }
|
409 |
|
410 | module.exports = _decorate; |
\ | No newline at end of file |