1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 | 1 1 1 1 150 1 1 1 1 1 1 1 1 1 1 1 1 1 6 6 1 89 89 89 1 20 20 20 20 1 41 41 41 41 37 4 37 16 21 20 1 150 150 150 1 1689 1 1688 5 1683 1850 1850 1850 80 80 77 77 3 3 3 3 77 22 22 55 55 22 1792 1770 1770 1568 202 22 20 1 1 19 5 5 2 2 1784 1784 1784 1712 1712 1712 100 25 1612 72 72 65 7 150 150 150 150 1 30 1 1 57 57 32 57 30 57 1 232 232 232 232 1 150 150 150 1 6 6 13 6 6 16 12 12 11 11 11 5 5 1 25 25 25 25 1 1 150 150 150 150 150 150 150 3000 142 142 142 142 15 127 84 15 69 1 69 69 69 69 69 117 117 117 15 102 74 74 74 8 4 4 2 66 22 21 44 44 27 97 138 138 21 77 77 77 77 77 1 76 77 96 10 86 5 81 81 81 86 20 20 25 32 32 25 25 25 25 25 25 25 25 | /** * Copyright (c) 2014, Facebook, Inc. * All rights reserved. * * This source code is licensed under the BSD-style license found in the * https://raw.github.com/facebook/regenerator/master/LICENSE file. An * additional grant of patent rights can be found in the PATENTS file in * the same directory. */ var iteratorSymbol = typeof Symbol === "function" && Symbol.iterator || "@@iterator"; var runtime = global.regeneratorRuntime = exports; var hasOwn = Object.prototype.hasOwnProperty; var wrap = runtime.wrap = function wrap(innerFn, outerFn, self, tryList) { return new Generator(innerFn, outerFn, self || null, tryList || []); }; var GenStateSuspendedStart = "suspendedStart"; var GenStateSuspendedYield = "suspendedYield"; var GenStateExecuting = "executing"; var GenStateCompleted = "completed"; // Returning this object from the innerFn has the same effect as // breaking out of the dispatch switch statement. var ContinueSentinel = {}; // Dummy constructor that we use as the .constructor property for // functions that return Generator objects. var GF = function GeneratorFunction() {}; var GFp = function GeneratorFunctionPrototype() {}; var Gp = GFp.prototype = Generator.prototype; (GFp.constructor = GF).prototype = Gp.constructor = GFp; // Ensure isGeneratorFunction works when Function#name not supported. var GFName = "GeneratorFunction"; Iif (GF.name !== GFName) GF.name = GFName; Iif (GF.name !== GFName) throw new Error(GFName + " renamed?"); runtime.isGeneratorFunction = function (genFun) { var ctor = genFun && genFun.constructor; return ctor ? GF.name === ctor.name : false; }; runtime.mark = function (genFun) { genFun.__proto__ = GFp; genFun.prototype = Object.create(Gp); return genFun; }; runtime.async = function (innerFn, outerFn, self, tryList) { return new Promise(function (resolve, reject) { var generator = wrap(innerFn, outerFn, self, tryList); var callNext = step.bind(generator.next); var callThrow = step.bind(generator["throw"]); function step(arg) { var info; var value; try { info = this(arg); value = info.value; } catch (error) { return reject(error); } if (info.done) { resolve(value); } else { Promise.resolve(value).then(callNext, callThrow); } } callNext(); }); }; function Generator(innerFn, outerFn, self, tryList) { var generator = outerFn ? Object.create(outerFn.prototype) : this; var context = new Context(tryList); var state = GenStateSuspendedStart; function invoke(method, arg) { if (state === GenStateExecuting) { throw new Error("Generator is already running"); } if (state === GenStateCompleted) { throw new Error("Generator has already finished"); } while (true) { var delegate = context.delegate; var info; if (delegate) { try { info = delegate.iterator[method](arg); // Delegate generator ran and handled its own exceptions so // regardless of what the method was, we continue as if it is // "next" with an undefined arg. method = "next"; arg = undefined; } catch (uncaught) { context.delegate = null; // Like returning generator.throw(uncaught), but without the // overhead of an extra function call. method = "throw"; arg = uncaught; continue; } if (info.done) { context[delegate.resultName] = info.value; context.next = delegate.nextLoc; } else { state = GenStateSuspendedYield; return info; } context.delegate = null; } if (method === "next") { Iif (state === GenStateSuspendedStart && typeof arg !== "undefined") { // https://people.mozilla.org/~jorendorff/es6-draft.html#sec-generatorresume throw new TypeError( "attempt to send " + JSON.stringify(arg) + " to newborn generator" ); } if (state === GenStateSuspendedYield) { context.sent = arg; } else { delete context.sent; } } else if (method === "throw") { if (state === GenStateSuspendedStart) { state = GenStateCompleted; throw arg; } if (context.dispatchException(arg)) { // If the dispatched exception was caught by a catch block, // then let that catch block handle the exception normally. method = "next"; arg = undefined; } } else Eif (method === "return") { context.abrupt("return", arg); } state = GenStateExecuting; try { var value = innerFn.call(self, context); // If an exception is thrown from innerFn, we leave state === // GenStateExecuting and loop back for another invocation. state = context.done ? GenStateCompleted : GenStateSuspendedYield; info = { value: value, done: context.done }; if (value === ContinueSentinel) { if (context.delegate && method === "next") { // Deliberately forget the last sent value so that we don't // accidentally pass it on to the delegate. arg = undefined; } } else { return info; } } catch (thrown) { state = GenStateCompleted; if (method === "next") { context.dispatchException(thrown); } else { arg = thrown; } } } } generator.next = invoke.bind(generator, "next"); generator["throw"] = invoke.bind(generator, "throw"); generator["return"] = invoke.bind(generator, "return"); return generator; } Gp[iteratorSymbol] = function () { return this; }; Gp.toString = function () { return "[object Generator]"; }; function pushTryEntry(triple) { var entry = { tryLoc: triple[0] }; if (1 in triple) { entry.catchLoc = triple[1]; } if (2 in triple) { entry.finallyLoc = triple[2]; } this.tryEntries.push(entry); } function resetTryEntry(entry, i) { var record = entry.completion || {}; record.type = i === 0 ? "normal" : "return"; delete record.arg; entry.completion = record; } function Context(tryList) { // The root entry object (effectively a try statement without a catch // or a finally block) gives us a place to store values thrown from // locations where there is no enclosing try statement. this.tryEntries = [{ tryLoc: "root" }]; tryList.forEach(pushTryEntry, this); this.reset(); } runtime.keys = function (object) { var keys = []; for (var key in object) { keys.push(key); } keys.reverse(); // Rather than returning an object with a next method, we keep // things simple and return the next function itself. return function next() { while (keys.length) { var key = keys.pop(); if (key in object) { next.value = key; next.done = false; return next; } } // To avoid creating an additional object, we just hang the .value // and .done properties off the next function object itself. This // also ensures that the minifier will not anonymize the function. next.done = true; return next; }; }; function values(iterable) { var iterator = iterable; Eif (iteratorSymbol in iterable) { iterator = iterable[iteratorSymbol](); } else if (!isNaN(iterable.length)) { var i = -1; iterator = function next() { while (++i < iterable.length) { if (i in iterable) { next.value = iterable[i]; next.done = false; return next; } } next.done = true; return next; }; iterator.next = iterator; } return iterator; } runtime.values = values; Context.prototype = { constructor: Context, reset: function () { this.prev = 0; this.next = 0; this.sent = undefined; this.done = false; this.delegate = null; this.tryEntries.forEach(resetTryEntry); // Pre-initialize at least 20 temporary variables to enable hidden // class optimizations for simple generators. for (var tempIndex = 0, tempName; hasOwn.call(this, tempName = "t" + tempIndex) || tempIndex < 20; ++tempIndex) { this[tempName] = null; } }, stop: function () { this.done = true; var rootEntry = this.tryEntries[0]; var rootRecord = rootEntry.completion; if (rootRecord.type === "throw") { throw rootRecord.arg; } return this.rval; }, dispatchException: function (exception) { if (this.done) { throw exception; } var context = this; function handle(loc, caught) { record.type = "throw"; record.arg = exception; context.next = loc; return !!caught; } for (var i = this.tryEntries.length - 1; i >= 0; --i) { var entry = this.tryEntries[i]; var record = entry.completion; if (entry.tryLoc === "root") { // Exception thrown outside of any try block that could handle // it, so set the completion value of the entire function to // throw the exception. return handle("end"); } if (entry.tryLoc <= this.prev) { var hasCatch = hasOwn.call(entry, "catchLoc"); var hasFinally = hasOwn.call(entry, "finallyLoc"); if (hasCatch && hasFinally) { if (this.prev < entry.catchLoc) { return handle(entry.catchLoc, true); } else if (this.prev < entry.finallyLoc) { return handle(entry.finallyLoc); } } else if (hasCatch) { if (this.prev < entry.catchLoc) { return handle(entry.catchLoc, true); } } else Eif (hasFinally) { if (this.prev < entry.finallyLoc) { return handle(entry.finallyLoc); } } else { throw new Error("try statement without catch or finally"); } } } }, _findFinallyEntry: function (finallyLoc) { for (var i = this.tryEntries.length - 1; i >= 0; --i) { var entry = this.tryEntries[i]; if (entry.tryLoc <= this.prev && hasOwn.call(entry, "finallyLoc") && ( entry.finallyLoc === finallyLoc || this.prev < entry.finallyLoc)) { return entry; } } }, abrupt: function (type, arg) { var entry = this._findFinallyEntry(); var record = entry ? entry.completion : {}; record.type = type; record.arg = arg; if (entry) { this.next = entry.finallyLoc; } else { this.complete(record); } return ContinueSentinel; }, complete: function (record) { if (record.type === "throw") { throw record.arg; } if (record.type === "break" || record.type === "continue") { this.next = record.arg; } else Eif (record.type === "return") { this.rval = record.arg; this.next = "end"; } return ContinueSentinel; }, finish: function (finallyLoc) { var entry = this._findFinallyEntry(finallyLoc); return this.complete(entry.completion); }, "catch": function (tryLoc) { for (var i = this.tryEntries.length - 1; i >= 0; --i) { var entry = this.tryEntries[i]; if (entry.tryLoc === tryLoc) { var record = entry.completion; var thrown; Eif (record.type === "throw") { thrown = record.arg; resetTryEntry(entry, i); } return thrown; } } // The context.catch method must only be called with a location // argument that corresponds to a known catch block. throw new Error("illegal catch attempt"); }, delegateYield: function (iterable, resultName, nextLoc) { this.delegate = { iterator: values(iterable), resultName: resultName, nextLoc: nextLoc }; return ContinueSentinel; } }; |