focus-flow
Version:
1,638 lines (1,369 loc) • 45.1 kB
JavaScript
// * Released under the MIT License.
'use strict';
function _defineProperty(obj, key, value) {
if (key in obj) {
Object.defineProperty(obj, key, {
value: value,
enumerable: true,
configurable: true,
writable: true
});
} else {
obj[key] = value;
}
return obj;
}
var defineProperty = _defineProperty;
function _classCallCheck(instance, Constructor) {
if (!(instance instanceof Constructor)) {
throw new TypeError("Cannot call a class as a function");
}
}
var classCallCheck = _classCallCheck;
function _defineProperties(target, props) {
for (var i = 0; i < props.length; i++) {
var descriptor = props[i];
descriptor.enumerable = descriptor.enumerable || false;
descriptor.configurable = true;
if ("value" in descriptor) { descriptor.writable = true; }
Object.defineProperty(target, descriptor.key, descriptor);
}
}
function _createClass(Constructor, protoProps, staticProps) {
if (protoProps) { _defineProperties(Constructor.prototype, protoProps); }
if (staticProps) { _defineProperties(Constructor, staticProps); }
return Constructor;
}
var createClass = _createClass;
var FocusFlow = /*#__PURE__*/function () {
// 每次生成线程+1
// 管道仓库
// 线程池
// 队列
// 队列出口
function FocusFlow() {
var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
classCallCheck(this, FocusFlow);
defineProperty(this, "pond", []);
defineProperty(this, "threads", []);
defineProperty(this, "queue", []);
defineProperty(this, "queueExit", true);
defineProperty(this, "event", {
full: null
});
this.defaults(options);
this.junction();
}
createClass(FocusFlow, [{
key: "defaults",
value: function defaults(options) {
var template = {
threadMax: 1,
// 最大线程数
"switch": true,
// 是否开放线程池
life: -1,
// -1永生，清理线程的周期，毫秒单位
hand: null,
// 函数this指向
queue: false,
// 是否开启队列
queueMax: 10 // 队列上限
};
this.options = Object.assign(template, options);
} // 初始化状态函数
}, {
key: "junction",
value: function junction() {
function template(ctx, next) {
next();
} //水流（线程）必经之地
this.basic = {};
this.error(function (error, ctx, next) {
console.error(error);
next();
}) //报错触发
.success(template) //sign为true
.fail(template) //sign为false
.end(function () {}); //sign为null
}
/**
* 返回管道的数量（不包括基本管道）
*/
}, {
key: "length",
get: function get() {
return this.pond.length;
}
/**
* 判断线程池是否开放
*/
}, {
key: "ram",
get: function get() {
return this.options["switch"] && this.options.threadMax > this.threads.length;
}
/**
* 队列是否有位置
*/
}, {
key: "queueFull",
get: function get() {
return this.options.queue && this.options.queueMax > this.queue.length;
}
}]);
return FocusFlow;
}();
defineProperty(FocusFlow, "_id", 0);
function createCommonjsModule(fn, module) {
return module = { exports: {} }, fn(module, module.exports), module.exports;
}
var _typeof_1 = createCommonjsModule(function (module) {
function _typeof(obj) {
"@babel/helpers - typeof";
if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
module.exports = _typeof = function _typeof(obj) {
return typeof obj;
};
} else {
module.exports = _typeof = function _typeof(obj) {
return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
};
}
return _typeof(obj);
}
module.exports = _typeof;
});
var runtime_1 = createCommonjsModule(function (module) {
/**
* 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) {
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, PromiseImpl) {
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 PromiseImpl.resolve(value.__await).then(function(value) {
invoke("next", value, resolve, reject);
}, function(err) {
invoke("throw", err, resolve, reject);
});
}
return PromiseImpl.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 PromiseImpl(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, PromiseImpl) {
if (PromiseImpl === void 0) { PromiseImpl = Promise; }
var iter = new AsyncIterator(
wrap(innerFn, outerFn, self, tryLocsList),
PromiseImpl
);
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.
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);
}
});
var regenerator = runtime_1;
function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
try {
var info = gen[key](arg);
var value = info.value;
} catch (error) {
reject(error);
return;
}
if (info.done) {
resolve(value);
} else {
Promise.resolve(value).then(_next, _throw);
}
}
function _asyncToGenerator(fn) {
return function () {
var self = this,
args = arguments;
return new Promise(function (resolve, reject) {
var gen = fn.apply(self, args);
function _next(value) {
asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value);
}
function _throw(err) {
asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err);
}
_next(undefined);
});
};
}
var asyncToGenerator = _asyncToGenerator;
/**
* 收集管道
* callback(ctx, next, close)
* @param {String|Function|FocusFlow} sign 标记|回调函数|FocusFlow实例，用来合并管道函数
* @param {Function|Object} callback 回调函数|函数this
* @param {Object} [hand = this.options.hand]
* @return this
* */
function use(sign, callback, hand) {
if (typeof sign === 'function') {
if (callback) { hand = callback; }
callback = sign;
sign = this.pond.length;
} else if (typeof sign === 'number') {
sign = this.pond.length; //管道仓库的长度
} else if (sign instanceof FocusFlow) {
//FocusFlow,this
return this.docking(sign, callback);
}
callback = this.redirect(callback, hand);
this.pond.push({
sign: sign,
callback: callback
});
return this;
}
/**
* 抛错管道
* callback(error, ctx, next, close)
* @param {Function} callback
* @param {Object} [hand = this.options.hand] 函数指向的this
* @return this
*/
function error(callback) {
var hand = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : this.options.hand;
var basic = this.basic;
callback = this.redirect(callback, hand);
basic.error = /*#__PURE__*/function () {
var _ref = asyncToGenerator( /*#__PURE__*/regenerator.mark(function _callee(error, thread) {
return regenerator.wrap(function _callee$(_context) {
while (1) {
switch (_context.prev = _context.next) {
case 0:
thread.ctx.$info.index = null;
_context.next = 3;
return callback(error, thread.ctx, thread.$next, thread.$close);
case 3:
case "end":
return _context.stop();
}
}
}, _callee);
}));
return function (_x, _x2) {
return _ref.apply(this, arguments);
};
}();
return this;
}
/**
* 成功管道
* callback(ctx, next, close)
* @param {Function} callback
* @param {Object} [hand = this.options.hand] 函数指向的this
* @return this
*/
function success(callback, hand) {
return this.isState('success', callback, hand);
}
/**
* 失败管道
* callback(ctx, next, close)
* @param {Function} callback
* @param {Object} [hand = this.options.hand]
* @return this
*/
function fail(callback, hand) {
return this.isState('fail', callback, hand);
}
/**
* 结束管道
* callback(ctx)
* @param {Function} callback
* @param {Object} [hand = this.options.hand] 函数指向的this
* @return this
*/
function end(callback) {
var _this = this;
var hand = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : this.options.hand;
var basic = this.basic;
callback = this.redirect(callback, hand);
basic.end = /*#__PURE__*/function () {
var _ref2 = asyncToGenerator( /*#__PURE__*/regenerator.mark(function _callee2(thread) {
return regenerator.wrap(function _callee2$(_context2) {
while (1) {
switch (_context2.prev = _context2.next) {
case 0:
//end后删除线程
_this.closeThread(thread);
_context2.next = 3;
return callback(thread.ctx);
case 3:
case "end":
return _context2.stop();
}
}
}, _callee2);
}));
return function (_x3) {
return _ref2.apply(this, arguments);
};
}();
return this;
}
/**
* 成功失败的方法
* @param {String} state
* @param {Function} callback
* @param {Object} [hand = this.options.hand] 函数指向的this
* @return this
* @private
*/
function isState(state, callback) {
var hand = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : this.options.hand;
callback = this.redirect(callback, hand);
this.basic[state] = /*#__PURE__*/function () {
var _ref3 = asyncToGenerator( /*#__PURE__*/regenerator.mark(function _callee3(thread) {
return regenerator.wrap(function _callee3$(_context3) {
while (1) {
switch (_context3.prev = _context3.next) {
case 0:
thread.ctx.$info.index = null;
_context3.next = 3;
return callback(thread.ctx, thread.$next, thread.$close);
case 3:
case "end":
return _context3.stop();
}
}
}, _callee3);
}));
return function (_x4) {
return _ref3.apply(this, arguments);
};
}();
return this;
}
/**
* 合并其他FocusFlow的管道
* @param {FocusFlow} ff
* @param {Object} [hand = this.options.hand]
* @return this
* @private
*/
function docking(ff) {
var _this2 = this;
var hand = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : this.options.hand;
ff.pond.forEach(function (obj) {
return _this2.use(obj.sign, obj.callback, hand);
});
return this;
}
/**
* 改变this指向
* @param {Function} callback
* @param {Object} [hand = this.options.hand] 函数指向的this
* @return {Function}
* @private
*/
function redirect(callback) {
var hand = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : this.options.hand;
return _typeof_1(hand) === 'object' && hand !== null ? callback.bind(hand) : callback;
}
var pond = {
use: use,
error: error,
success: success,
fail: fail,
end: end,
isState: isState,
docking: docking,
redirect: redirect
};
var Thread = /*#__PURE__*/function () {
// start匹配不到就从0开始
function Thread(ff, ctx) {
classCallCheck(this, Thread);
defineProperty(this, "$next", this.next.bind(this));
defineProperty(this, "$close", this.close.bind(this));
defineProperty(this, "onceZero", true);
this.ctx = Object.assign({}, ctx);
this.ff = ff;
this.initInfo(ff);
}
/**
* 初始化上下文的$info
* @param {FocusFlow} ff
* @private
*/
createClass(Thread, [{
key: "initInfo",
value: function initInfo(ff) {
var $info = {
id: FocusFlow._id++,
//线程id
ff: ff,
index: 0 //从0开始
};
Object.defineProperty(this.ctx, '$info', {
value: $info
});
this.active();
}
/**
* 执行下一个管道
* @param {FocusFlow|String|Number|Boolean} ff FocusFlow跨管道|管道标记
* @param {String|Number|Boolean} sign 管道标记
* @private
*/
}, {
key: "next",
value: function next(ff, sign) {
if (ff instanceof FocusFlow) { return this.span(ff, sign); }
var $ff = this.ctx.$info.ff;
this.active(); // if($ff.ram) this.active()
if (typeof ff === 'boolean') {
$ff.run(this, ff);
} else if (ff !== undefined && typeof ff !== 'boolean') {
$ff.nextStart(this, ff);
} else {
$ff.run(this);
}
}
/**
* 跨管道
* @param: {FocusFlow} ff
* @param: {String|Number} 执行管道的标记
* @private
*/
}, {
key: "span",
value: function span(ff, sign) {
this.close();
ff.start(this.ctx, sign);
return this;
} //更新线程寿命，防止被回收
}, {
key: "active",
value: function active() {
var info = this.ctx.$info;
if (info.ff.options.life === -1) { return; }
info.life = Date.now() + info.ff.options.life;
} //关闭线程
}, {
key: "close",
value: function close() {
this.ff.closeThread(this);
}
}]);
return Thread;
}();
/**
* 判断线程池是否满员，满员则清除失活的线程
* @return {Boolean}
*/
function inspect() {
if (!this.ram) {
return !this.clean();
}
return false;
}
/**
* 关闭线程池，start不会再生成线程
* @return this
*/
function close() {
this.options["switch"] = false;
return this;
}
/**
* 打开线程池
* @return this
*/
function open() {
this.options["switch"] = true;
this.processNextMessage();
return this;
}
/**
* 创建线程
* @param {Object} ctx 上下文
* @return {Thread}
* @private
*/
function newThread(ctx) {
var thread = new Thread(this, ctx);
this.threads.push(thread);
return thread;
}
/**
* 关闭线程(不会阻断该线程线程继续执行)
* @param {Thread} thread
* @private
*/
function closeThread(thread) {
var index = this.threads.findIndex(function (obj) {
return obj === thread;
});
this.threads.splice(index, 1 + index);
this.processNextMessage();
}
/**
* 清空线程池，但不会阻断执行中的线程
* @return this
*/
function emptyThreads() {
this.threads = [];
this.processNextMessage();
return this;
}
/**
* 清理过期的线程
* @return {Boolean} 是否有过期的线程被清理
*/
function clean() {
var oldLen = this.threads.length;
this.threads = this.threads.filter(function (thread) {
if (thread.ctx.$info.life === -1) { return true; }
return thread.ctx.$info.life > Date.now();
});
return oldLen < this.threads.length;
}
var threads = {
inspect: inspect,
close: close,
open: open,
newThread: newThread,
closeThread: closeThread,
emptyThreads: emptyThreads,
clean: clean
};
/**
* 执行管道流
* @param {any} ctx object上下文内容|any管道标记
* @param {any} sign object上下文内容|any管道标记
* @return this
*/
function start(ctx, sign) {
if (_typeof_1(ctx) !== 'object') {
var _ref = [sign, ctx];
ctx = _ref[0];
sign = _ref[1];
}
if (this.spill(ctx, sign)) { return this; }
var thread = this.newThread(ctx);
thread.next(sign);
return this;
}
/**
* 目标管道，有则进入，没有则下一个
* @param {Thread} thread
* @param {String|Number} sign
* @private
*/
function nextStart(thread, sign) {
var index = this.matching(sign);
if (index === -1) {
thread.ctx.$info.index = thread.onceZero ? 0 : thread.ctx.$info.index++;
} else {
thread.ctx.$info.index = index;
}
if (thread.onceZero) { thread.onceZero = false; }
this.run(thread);
}
/**
* 执行管道
* @param {Thread} thread
* @param {Boolean} state
* @private
*/
function run(_x, _x2) {
return _run.apply(this, arguments);
}
/**
* 判断是否可执行
* @param {Object} ctx 上下文内容
* @param {any} sign 管道标记
* @return {Boolean}
* @private
*/
function _run() {
_run = asyncToGenerator( /*#__PURE__*/regenerator.mark(function _callee(thread, state) {
var pond, ctx, surplus;
return regenerator.wrap(function _callee$(_context) {
while (1) {
switch (_context.prev = _context.next) {
case 0:
pond = this.pond;
ctx = thread.ctx;
surplus = ctx.$info.index < pond.length;
_context.prev = 3;
if (!(ctx.$info.index === null)) {
_context.next = 9;
break;
}
_context.next = 7;
return this.basic.end(thread);
case 7:
_context.next = 20;
break;
case 9:
if (!(state === false)) {
_context.next = 14;
break;
}
_context.next = 12;
return this.basic.fail(thread);
case 12:
_context.next = 20;
break;
case 14:
if (!(!surplus || state === true)) {
_context.next = 19;
break;
}
_context.next = 17;
return this.basic.success(thread);
case 17:
_context.next = 20;
break;
case 19:
if (surplus) {
//还有管道
pond[ctx.$info.index++].callback(ctx, thread.$next, thread.$close);
}
case 20:
_context.next = 25;
break;
case 22:
_context.prev = 22;
_context.t0 = _context["catch"](3);
this.basic.error(_context.t0, thread);
case 25:
case "end":
return _context.stop();
}
}
}, _callee, this, [[3, 22]]);
}));
return _run.apply(this, arguments);
}
function spill(ctx, sign) {
if (this.inspect()) {
typeof this.event.full === 'function' && this.event.full(ctx, this);
if (this.queueFull) {
this.queue.push({
ctx: ctx,
sign: sign
});
} else if (this.options.queue && typeof this.event.queueFull === 'function') {
this.event.queueFull(ctx, this);
}
return true;
}
return false;
}
/**
* 通过标记获取管道下标,如果是Number则直接返回
* @param {String|Number} sign 标记
* @return {Number}
* @private
*/
function matching(sign) {
var pond = this.pond;
return typeof sign !== 'number' ? pond.findIndex(function (obj) {
return obj.sign === sign;
}) : sign >= pond.length ? -1 : sign;
}
var transfer = {
start: start,
nextStart: nextStart,
run: run,
spill: spill,
matching: matching
};
// 参数都是一个实例
/**
* 线程池溢满事件
* callback(ctx, FocusFlow)
* @param {Function} callback 回调函数
* @param {Object} [hand = this.options.hand] this
* @return this
*/
function onFull(callback) {
var hand = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : this.options.hand;
callback = this.redirect(callback, hand);
this.event.full = callback;
return this;
}
/**
* 队列溢满事件
* callback(ctx, FocusFlow)
* @param {Function} callback 回调函数
* @param {Object} [hand = this.options.hand] this
* @return this
*/
function onQueueFull(callback) {
var hand = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : this.options.hand;
callback = this.redirect(callback, hand);
this.event.queueFull = callback;
return this;
}
var event = {
onFull: onFull,
onQueueFull: onQueueFull
};
// 队列出队
function processNextMessage() {
if (!(this.queue.length && this.queueExit)) { return; }
this.start(this.queue.shift());
if (this.ram) { this.processNextMessage(); }
}
/**
* 关闭队列入口
* @return this
*/
function closeQueue() {
this.options.queue = false;
return this;
}
/**
* 打开队列入口
* @return this
*/
function openQueue() {
this.options.queue = true;
return this;
}
/**
* 清空队列
* @return this
*/
function emptyQueue() {
this.queue = [];
return this;
}
/**
* 关闭队列出口
* @return this
*/
function closeExit() {
this.queueExit = false;
return this;
}
/**
* 打开队列出口
* @return this
*/
function openExit() {
this.queueExit = true;
this.processNextMessage();
return this;
}
var queue = {
processNextMessage: processNextMessage,
closeQueue: closeQueue,
openQueue: openQueue,
emptyQueue: emptyQueue,
closeExit: closeExit,
openExit: openExit
};
function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) { symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); } keys.push.apply(keys, symbols); } return keys; }
function _objectSpread(target) {
var arguments$1 = arguments;
for (var i = 1; i < arguments.length; i++) { var source = arguments$1[i] != null ? arguments$1[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }
var prototype = FocusFlow.prototype;
var obj = _objectSpread(_objectSpread(_objectSpread(_objectSpread(_objectSpread({}, pond), threads), transfer), event), queue);
Object.keys(obj).forEach(function (key) {
Object.defineProperty(prototype, key, {
value: obj[key]
});
});
module.exports = FocusFlow;