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Diffstat (limited to 'assets/node_modules/regenerator-runtime/runtime.js')
| -rw-r--r-- | assets/node_modules/regenerator-runtime/runtime.js | 726 |
1 files changed, 726 insertions, 0 deletions
diff --git a/assets/node_modules/regenerator-runtime/runtime.js b/assets/node_modules/regenerator-runtime/runtime.js new file mode 100644 index 0000000..92d1815 --- /dev/null +++ b/assets/node_modules/regenerator-runtime/runtime.js @@ -0,0 +1,726 @@ +/** + * Copyright (c) 2014-present, Facebook, Inc. + * + * This source code is licensed under the MIT license found in the + * LICENSE file in the root directory of this source tree. + */ + +var runtime = (function (exports) { + "use strict"; + + var Op = Object.prototype; + var hasOwn = Op.hasOwnProperty; + var undefined; // More compressible than void 0. + var $Symbol = typeof Symbol === "function" ? Symbol : {}; + var iteratorSymbol = $Symbol.iterator || "@@iterator"; + var asyncIteratorSymbol = $Symbol.asyncIterator || "@@asyncIterator"; + var toStringTagSymbol = $Symbol.toStringTag || "@@toStringTag"; + + function wrap(innerFn, outerFn, self, tryLocsList) { + // If outerFn provided and outerFn.prototype is a Generator, then outerFn.prototype instanceof Generator. + var protoGenerator = outerFn && outerFn.prototype instanceof Generator ? outerFn : Generator; + var generator = Object.create(protoGenerator.prototype); + var context = new Context(tryLocsList || []); + + // The ._invoke method unifies the implementations of the .next, + // .throw, and .return methods. + generator._invoke = makeInvokeMethod(innerFn, self, context); + + return generator; + } + exports.wrap = wrap; + + // Try/catch helper to minimize deoptimizations. Returns a completion + // record like context.tryEntries[i].completion. This interface could + // have been (and was previously) designed to take a closure to be + // invoked without arguments, but in all the cases we care about we + // already have an existing method we want to call, so there's no need + // to create a new function object. We can even get away with assuming + // the method takes exactly one argument, since that happens to be true + // in every case, so we don't have to touch the arguments object. The + // only additional allocation required is the completion record, which + // has a stable shape and so hopefully should be cheap to allocate. + function tryCatch(fn, obj, arg) { + try { + return { type: "normal", arg: fn.call(obj, arg) }; + } catch (err) { + return { type: "throw", arg: err }; + } + } + + 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 functions that we use as the .constructor and + // .constructor.prototype properties for functions that return Generator + // objects. For full spec compliance, you may wish to configure your + // minifier not to mangle the names of these two functions. + function Generator() {} + function GeneratorFunction() {} + function GeneratorFunctionPrototype() {} + + // This is a polyfill for %IteratorPrototype% for environments that + // don't natively support it. + var IteratorPrototype = {}; + IteratorPrototype[iteratorSymbol] = function () { + return this; + }; + + var getProto = Object.getPrototypeOf; + var NativeIteratorPrototype = getProto && getProto(getProto(values([]))); + if (NativeIteratorPrototype && + NativeIteratorPrototype !== Op && + hasOwn.call(NativeIteratorPrototype, iteratorSymbol)) { + // This environment has a native %IteratorPrototype%; use it instead + // of the polyfill. + IteratorPrototype = NativeIteratorPrototype; + } + + var Gp = GeneratorFunctionPrototype.prototype = + Generator.prototype = Object.create(IteratorPrototype); + GeneratorFunction.prototype = Gp.constructor = GeneratorFunctionPrototype; + GeneratorFunctionPrototype.constructor = GeneratorFunction; + GeneratorFunctionPrototype[toStringTagSymbol] = + GeneratorFunction.displayName = "GeneratorFunction"; + + // Helper for defining the .next, .throw, and .return methods of the + // Iterator interface in terms of a single ._invoke method. + function defineIteratorMethods(prototype) { + ["next", "throw", "return"].forEach(function(method) { + prototype[method] = function(arg) { + return this._invoke(method, arg); + }; + }); + } + + exports.isGeneratorFunction = function(genFun) { + var ctor = typeof genFun === "function" && genFun.constructor; + return ctor + ? ctor === GeneratorFunction || + // For the native GeneratorFunction constructor, the best we can + // do is to check its .name property. + (ctor.displayName || ctor.name) === "GeneratorFunction" + : false; + }; + + exports.mark = function(genFun) { + if (Object.setPrototypeOf) { + Object.setPrototypeOf(genFun, GeneratorFunctionPrototype); + } else { + genFun.__proto__ = GeneratorFunctionPrototype; + if (!(toStringTagSymbol in genFun)) { + genFun[toStringTagSymbol] = "GeneratorFunction"; + } + } + genFun.prototype = Object.create(Gp); + return genFun; + }; + + // Within the body of any async function, `await x` is transformed to + // `yield regeneratorRuntime.awrap(x)`, so that the runtime can test + // `hasOwn.call(value, "__await")` to determine if the yielded value is + // meant to be awaited. + exports.awrap = function(arg) { + return { __await: arg }; + }; + + function AsyncIterator(generator) { + function invoke(method, arg, resolve, reject) { + var record = tryCatch(generator[method], generator, arg); + if (record.type === "throw") { + reject(record.arg); + } else { + var result = record.arg; + var value = result.value; + if (value && + typeof value === "object" && + hasOwn.call(value, "__await")) { + return Promise.resolve(value.__await).then(function(value) { + invoke("next", value, resolve, reject); + }, function(err) { + invoke("throw", err, resolve, reject); + }); + } + + return Promise.resolve(value).then(function(unwrapped) { + // When a yielded Promise is resolved, its final value becomes + // the .value of the Promise<{value,done}> result for the + // current iteration. + result.value = unwrapped; + resolve(result); + }, function(error) { + // If a rejected Promise was yielded, throw the rejection back + // into the async generator function so it can be handled there. + return invoke("throw", error, resolve, reject); + }); + } + } + + var previousPromise; + + function enqueue(method, arg) { + function callInvokeWithMethodAndArg() { + return new Promise(function(resolve, reject) { + invoke(method, arg, resolve, reject); + }); + } + + return previousPromise = + // If enqueue has been called before, then we want to wait until + // all previous Promises have been resolved before calling invoke, + // so that results are always delivered in the correct order. If + // enqueue has not been called before, then it is important to + // call invoke immediately, without waiting on a callback to fire, + // so that the async generator function has the opportunity to do + // any necessary setup in a predictable way. This predictability + // is why the Promise constructor synchronously invokes its + // executor callback, and why async functions synchronously + // execute code before the first await. Since we implement simple + // async functions in terms of async generators, it is especially + // important to get this right, even though it requires care. + previousPromise ? previousPromise.then( + callInvokeWithMethodAndArg, + // Avoid propagating failures to Promises returned by later + // invocations of the iterator. + callInvokeWithMethodAndArg + ) : callInvokeWithMethodAndArg(); + } + + // Define the unified helper method that is used to implement .next, + // .throw, and .return (see defineIteratorMethods). + this._invoke = enqueue; + } + + defineIteratorMethods(AsyncIterator.prototype); + AsyncIterator.prototype[asyncIteratorSymbol] = function () { + return this; + }; + exports.AsyncIterator = AsyncIterator; + + // Note that simple async functions are implemented on top of + // AsyncIterator objects; they just return a Promise for the value of + // the final result produced by the iterator. + exports.async = function(innerFn, outerFn, self, tryLocsList) { + var iter = new AsyncIterator( + wrap(innerFn, outerFn, self, tryLocsList) + ); + + return exports.isGeneratorFunction(outerFn) + ? iter // If outerFn is a generator, return the full iterator. + : iter.next().then(function(result) { + return result.done ? result.value : iter.next(); + }); + }; + + function makeInvokeMethod(innerFn, self, context) { + var state = GenStateSuspendedStart; + + return function invoke(method, arg) { + if (state === GenStateExecuting) { + throw new Error("Generator is already running"); + } + + if (state === GenStateCompleted) { + if (method === "throw") { + throw arg; + } + + // Be forgiving, per 25.3.3.3.3 of the spec: + // https://people.mozilla.org/~jorendorff/es6-draft.html#sec-generatorresume + return doneResult(); + } + + context.method = method; + context.arg = arg; + + while (true) { + var delegate = context.delegate; + if (delegate) { + var delegateResult = maybeInvokeDelegate(delegate, context); + if (delegateResult) { + if (delegateResult === ContinueSentinel) continue; + return delegateResult; + } + } + + if (context.method === "next") { + // Setting context._sent for legacy support of Babel's + // function.sent implementation. + context.sent = context._sent = context.arg; + + } else if (context.method === "throw") { + if (state === GenStateSuspendedStart) { + state = GenStateCompleted; + throw context.arg; + } + + context.dispatchException(context.arg); + + } else if (context.method === "return") { + context.abrupt("return", context.arg); + } + + state = GenStateExecuting; + + var record = tryCatch(innerFn, self, context); + if (record.type === "normal") { + // If an exception is thrown from innerFn, we leave state === + // GenStateExecuting and loop back for another invocation. + state = context.done + ? GenStateCompleted + : GenStateSuspendedYield; + + if (record.arg === ContinueSentinel) { + continue; + } + + return { + value: record.arg, + done: context.done + }; + + } else if (record.type === "throw") { + state = GenStateCompleted; + // Dispatch the exception by looping back around to the + // context.dispatchException(context.arg) call above. + context.method = "throw"; + context.arg = record.arg; + } + } + }; + } + + // Call delegate.iterator[context.method](context.arg) and handle the + // result, either by returning a { value, done } result from the + // delegate iterator, or by modifying context.method and context.arg, + // setting context.delegate to null, and returning the ContinueSentinel. + function maybeInvokeDelegate(delegate, context) { + var method = delegate.iterator[context.method]; + if (method === undefined) { + // A .throw or .return when the delegate iterator has no .throw + // method always terminates the yield* loop. + context.delegate = null; + + if (context.method === "throw") { + // Note: ["return"] must be used for ES3 parsing compatibility. + if (delegate.iterator["return"]) { + // If the delegate iterator has a return method, give it a + // chance to clean up. + context.method = "return"; + context.arg = undefined; + maybeInvokeDelegate(delegate, context); + + if (context.method === "throw") { + // If maybeInvokeDelegate(context) changed context.method from + // "return" to "throw", let that override the TypeError below. + return ContinueSentinel; + } + } + + context.method = "throw"; + context.arg = new TypeError( + "The iterator does not provide a 'throw' method"); + } + + return ContinueSentinel; + } + + var record = tryCatch(method, delegate.iterator, context.arg); + + if (record.type === "throw") { + context.method = "throw"; + context.arg = record.arg; + context.delegate = null; + return ContinueSentinel; + } + + var info = record.arg; + + if (! info) { + context.method = "throw"; + context.arg = new TypeError("iterator result is not an object"); + context.delegate = null; + return ContinueSentinel; + } + + if (info.done) { + // Assign the result of the finished delegate to the temporary + // variable specified by delegate.resultName (see delegateYield). + context[delegate.resultName] = info.value; + + // Resume execution at the desired location (see delegateYield). + context.next = delegate.nextLoc; + + // If context.method was "throw" but the delegate handled the + // exception, let the outer generator proceed normally. If + // context.method was "next", forget context.arg since it has been + // "consumed" by the delegate iterator. If context.method was + // "return", allow the original .return call to continue in the + // outer generator. + if (context.method !== "return") { + context.method = "next"; + context.arg = undefined; + } + + } else { + // Re-yield the result returned by the delegate method. + return info; + } + + // The delegate iterator is finished, so forget it and continue with + // the outer generator. + context.delegate = null; + return ContinueSentinel; + } + + // Define Generator.prototype.{next,throw,return} in terms of the + // unified ._invoke helper method. + defineIteratorMethods(Gp); + + Gp[toStringTagSymbol] = "Generator"; + + // A Generator should always return itself as the iterator object when the + // @@iterator function is called on it. Some browsers' implementations of the + // iterator prototype chain incorrectly implement this, causing the Generator + // object to not be returned from this call. This ensures that doesn't happen. + // See https://github.com/facebook/regenerator/issues/274 for more details. + Gp[iteratorSymbol] = function() { + return this; + }; + + Gp.toString = function() { + return "[object Generator]"; + }; + + function pushTryEntry(locs) { + var entry = { tryLoc: locs[0] }; + + if (1 in locs) { + entry.catchLoc = locs[1]; + } + + if (2 in locs) { + entry.finallyLoc = locs[2]; + entry.afterLoc = locs[3]; + } + + this.tryEntries.push(entry); + } + + function resetTryEntry(entry) { + var record = entry.completion || {}; + record.type = "normal"; + delete record.arg; + entry.completion = record; + } + + function Context(tryLocsList) { + // 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" }]; + tryLocsList.forEach(pushTryEntry, this); + this.reset(true); + } + + exports.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) { + if (iterable) { + var iteratorMethod = iterable[iteratorSymbol]; + if (iteratorMethod) { + return iteratorMethod.call(iterable); + } + + if (typeof iterable.next === "function") { + return iterable; + } + + if (!isNaN(iterable.length)) { + var i = -1, next = function next() { + while (++i < iterable.length) { + if (hasOwn.call(iterable, i)) { + next.value = iterable[i]; + next.done = false; + return next; + } + } + + next.value = undefined; + next.done = true; + + return next; + }; + + return next.next = next; + } + } + + // Return an iterator with no values. + return { next: doneResult }; + } + exports.values = values; + + function doneResult() { + return { value: undefined, done: true }; + } + + Context.prototype = { + constructor: Context, + + reset: function(skipTempReset) { + this.prev = 0; + this.next = 0; + // Resetting context._sent for legacy support of Babel's + // function.sent implementation. + this.sent = this._sent = undefined; + this.done = false; + this.delegate = null; + + this.method = "next"; + this.arg = undefined; + + this.tryEntries.forEach(resetTryEntry); + + if (!skipTempReset) { + for (var name in this) { + // Not sure about the optimal order of these conditions: + if (name.charAt(0) === "t" && + hasOwn.call(this, name) && + !isNaN(+name.slice(1))) { + this[name] = undefined; + } + } + } + }, + + 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; + + if (caught) { + // If the dispatched exception was caught by a catch block, + // then let that catch block handle the exception normally. + context.method = "next"; + context.arg = undefined; + } + + 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 if (hasFinally) { + if (this.prev < entry.finallyLoc) { + return handle(entry.finallyLoc); + } + + } else { + throw new Error("try statement without catch or finally"); + } + } + } + }, + + abrupt: function(type, arg) { + for (var i = this.tryEntries.length - 1; i >= 0; --i) { + var entry = this.tryEntries[i]; + if (entry.tryLoc <= this.prev && + hasOwn.call(entry, "finallyLoc") && + this.prev < entry.finallyLoc) { + var finallyEntry = entry; + break; + } + } + + if (finallyEntry && + (type === "break" || + type === "continue") && + finallyEntry.tryLoc <= arg && + arg <= finallyEntry.finallyLoc) { + // Ignore the finally entry if control is not jumping to a + // location outside the try/catch block. + finallyEntry = null; + } + + var record = finallyEntry ? finallyEntry.completion : {}; + record.type = type; + record.arg = arg; + + if (finallyEntry) { + this.method = "next"; + this.next = finallyEntry.finallyLoc; + return ContinueSentinel; + } + + return this.complete(record); + }, + + complete: function(record, afterLoc) { + if (record.type === "throw") { + throw record.arg; + } + + if (record.type === "break" || + record.type === "continue") { + this.next = record.arg; + } else if (record.type === "return") { + this.rval = this.arg = record.arg; + this.method = "return"; + this.next = "end"; + } else if (record.type === "normal" && afterLoc) { + this.next = afterLoc; + } + + return ContinueSentinel; + }, + + finish: function(finallyLoc) { + for (var i = this.tryEntries.length - 1; i >= 0; --i) { + var entry = this.tryEntries[i]; + if (entry.finallyLoc === finallyLoc) { + this.complete(entry.completion, entry.afterLoc); + resetTryEntry(entry); + return ContinueSentinel; + } + } + }, + + "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; + if (record.type === "throw") { + var thrown = record.arg; + resetTryEntry(entry); + } + 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 + }; + + if (this.method === "next") { + // Deliberately forget the last sent value so that we don't + // accidentally pass it on to the delegate. + this.arg = undefined; + } + + return ContinueSentinel; + } + }; + + // Regardless of whether this script is executing as a CommonJS module + // or not, return the runtime object so that we can declare the variable + // regeneratorRuntime in the outer scope, which allows this module to be + // injected easily by `bin/regenerator --include-runtime script.js`. + return exports; + +}( + // If this script is executing as a CommonJS module, use module.exports + // as the regeneratorRuntime namespace. Otherwise create a new empty + // object. Either way, the resulting object will be used to initialize + // the regeneratorRuntime variable at the top of this file. + typeof module === "object" ? module.exports : {} +)); + +try { + regeneratorRuntime = runtime; +} catch (accidentalStrictMode) { + // This module should not be running in strict mode, so the above + // assignment should always work unless something is misconfigured. Just + // in case runtime.js accidentally runs in strict mode, we can escape + // strict mode using a global Function call. This could conceivably fail + // if a Content Security Policy forbids using Function, but in that case + // the proper solution is to fix the accidental strict mode problem. If + // you've misconfigured your bundler to force strict mode and applied a + // CSP to forbid Function, and you're not willing to fix either of those + // problems, please detail your unique predicament in a GitHub issue. + Function("r", "regeneratorRuntime = r")(runtime); +} |