From 5148cf8bc7367424d6f9092184d34fda04d4ceb1 Mon Sep 17 00:00:00 2001 From: Oliver Kennedy Date: Tue, 23 Jan 2018 23:19:33 -0500 Subject: [PATCH] SVGInline code. YAAAAY. Also Category theory talk. --- .../plugin/svginline/data-src-svg.js | 38 + .../plugin/svginline/es6-promise.auto.js | 1181 +++++++++++++++++ 2 files changed, 1219 insertions(+) create mode 100644 slides/talks/reveal.js-3.5.0/plugin/svginline/data-src-svg.js create mode 100644 slides/talks/reveal.js-3.5.0/plugin/svginline/es6-promise.auto.js diff --git a/slides/talks/reveal.js-3.5.0/plugin/svginline/data-src-svg.js b/slides/talks/reveal.js-3.5.0/plugin/svginline/data-src-svg.js new file mode 100644 index 00000000..ef0e4379 --- /dev/null +++ b/slides/talks/reveal.js-3.5.0/plugin/svginline/data-src-svg.js @@ -0,0 +1,38 @@ +// Courtesy of... +// https://github.com/flying-sheep/revealjs-template/blob/master/src/data-src-svg.js +// as per +// https://github.com/hakimel/reveal.js/issues/1258 + +'use strict'; + +(function() { + var svgsToLoad = document.querySelectorAll('svg[data-src]'); + + console.log(svgsToLoad) + + var loadSVGs = Array.map(svgsToLoad, function (svg) { + fetch(svg.getAttribute('data-src')).then(function (response) { + return response.text(); + }).then(function (svgCode) { + var svgDoc = new DOMParser().parseFromString(svgCode, 'image/svg+xml'); + var newSVG = svgDoc.documentElement; + for (var i = 0; i < svg.attributes.length; i++) { + var attr = svg.attributes[i]; + newSVG.setAttribute(attr.name, attr.value); + } + svg.parentNode.replaceChild(newSVG, svg); + }); + }); + + Promise.all(loadSVGs).then(function (val) { + var stretchSVGs = document.querySelectorAll('svg.stretch:not([preserveAspectRatio])'); + Array.call(stretchSVGs, function (svg) { + if (!svg.hasAttribute('viewBox')) { + var w = svg.getAttribute('width'); + var h = svg.getAttribute('height'); + svg.setAttribute('viewBox', '0 0 ' + w + ' ' + h); + } + svg.setAttribute('preserveAspectRatio', 'xMidYMid meet'); + }); + }); +})() \ No newline at end of file diff --git a/slides/talks/reveal.js-3.5.0/plugin/svginline/es6-promise.auto.js b/slides/talks/reveal.js-3.5.0/plugin/svginline/es6-promise.auto.js new file mode 100644 index 00000000..30d01304 --- /dev/null +++ b/slides/talks/reveal.js-3.5.0/plugin/svginline/es6-promise.auto.js @@ -0,0 +1,1181 @@ +/*! + * @overview es6-promise - a tiny implementation of Promises/A+. + * @copyright Copyright (c) 2014 Yehuda Katz, Tom Dale, Stefan Penner and contributors (Conversion to ES6 API by Jake Archibald) + * @license Licensed under MIT license + * See https://raw.githubusercontent.com/stefanpenner/es6-promise/master/LICENSE + * @version v4.2.4+314e4831 + */ + +(function (global, factory) { + typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() : + typeof define === 'function' && define.amd ? define(factory) : + (global.ES6Promise = factory()); +}(this, (function () { 'use strict'; + +function objectOrFunction(x) { + var type = typeof x; + return x !== null && (type === 'object' || type === 'function'); +} + +function isFunction(x) { + return typeof x === 'function'; +} + + + +var _isArray = void 0; +if (Array.isArray) { + _isArray = Array.isArray; +} else { + _isArray = function (x) { + return Object.prototype.toString.call(x) === '[object Array]'; + }; +} + +var isArray = _isArray; + +var len = 0; +var vertxNext = void 0; +var customSchedulerFn = void 0; + +var asap = function asap(callback, arg) { + queue[len] = callback; + queue[len + 1] = arg; + len += 2; + if (len === 2) { + // If len is 2, that means that we need to schedule an async flush. + // If additional callbacks are queued before the queue is flushed, they + // will be processed by this flush that we are scheduling. + if (customSchedulerFn) { + customSchedulerFn(flush); + } else { + scheduleFlush(); + } + } +}; + +function setScheduler(scheduleFn) { + customSchedulerFn = scheduleFn; +} + +function setAsap(asapFn) { + asap = asapFn; +} + +var browserWindow = typeof window !== 'undefined' ? window : undefined; +var browserGlobal = browserWindow || {}; +var BrowserMutationObserver = browserGlobal.MutationObserver || browserGlobal.WebKitMutationObserver; +var isNode = typeof self === 'undefined' && typeof process !== 'undefined' && {}.toString.call(process) === '[object process]'; + +// test for web worker but not in IE10 +var isWorker = typeof Uint8ClampedArray !== 'undefined' && typeof importScripts !== 'undefined' && typeof MessageChannel !== 'undefined'; + +// node +function useNextTick() { + // node version 0.10.x displays a deprecation warning when nextTick is used recursively + // see https://github.com/cujojs/when/issues/410 for details + return function () { + return process.nextTick(flush); + }; +} + +// vertx +function useVertxTimer() { + if (typeof vertxNext !== 'undefined') { + return function () { + vertxNext(flush); + }; + } + + return useSetTimeout(); +} + +function useMutationObserver() { + var iterations = 0; + var observer = new BrowserMutationObserver(flush); + var node = document.createTextNode(''); + observer.observe(node, { characterData: true }); + + return function () { + node.data = iterations = ++iterations % 2; + }; +} + +// web worker +function useMessageChannel() { + var channel = new MessageChannel(); + channel.port1.onmessage = flush; + return function () { + return channel.port2.postMessage(0); + }; +} + +function useSetTimeout() { + // Store setTimeout reference so es6-promise will be unaffected by + // other code modifying setTimeout (like sinon.useFakeTimers()) + var globalSetTimeout = setTimeout; + return function () { + return globalSetTimeout(flush, 1); + }; +} + +var queue = new Array(1000); +function flush() { + for (var i = 0; i < len; i += 2) { + var callback = queue[i]; + var arg = queue[i + 1]; + + callback(arg); + + queue[i] = undefined; + queue[i + 1] = undefined; + } + + len = 0; +} + +function attemptVertx() { + try { + var vertx = Function('return this')().require('vertx'); + vertxNext = vertx.runOnLoop || vertx.runOnContext; + return useVertxTimer(); + } catch (e) { + return useSetTimeout(); + } +} + +var scheduleFlush = void 0; +// Decide what async method to use to triggering processing of queued callbacks: +if (isNode) { + scheduleFlush = useNextTick(); +} else if (BrowserMutationObserver) { + scheduleFlush = useMutationObserver(); +} else if (isWorker) { + scheduleFlush = useMessageChannel(); +} else if (browserWindow === undefined && typeof require === 'function') { + scheduleFlush = attemptVertx(); +} else { + scheduleFlush = useSetTimeout(); +} + +function then(onFulfillment, onRejection) { + var parent = this; + + var child = new this.constructor(noop); + + if (child[PROMISE_ID] === undefined) { + makePromise(child); + } + + var _state = parent._state; + + + if (_state) { + var callback = arguments[_state - 1]; + asap(function () { + return invokeCallback(_state, child, callback, parent._result); + }); + } else { + subscribe(parent, child, onFulfillment, onRejection); + } + + return child; +} + +/** + `Promise.resolve` returns a promise that will become resolved with the + passed `value`. It is shorthand for the following: + + ```javascript + let promise = new Promise(function(resolve, reject){ + resolve(1); + }); + + promise.then(function(value){ + // value === 1 + }); + ``` + + Instead of writing the above, your code now simply becomes the following: + + ```javascript + let promise = Promise.resolve(1); + + promise.then(function(value){ + // value === 1 + }); + ``` + + @method resolve + @static + @param {Any} value value that the returned promise will be resolved with + Useful for tooling. + @return {Promise} a promise that will become fulfilled with the given + `value` +*/ +function resolve$1(object) { + /*jshint validthis:true */ + var Constructor = this; + + if (object && typeof object === 'object' && object.constructor === Constructor) { + return object; + } + + var promise = new Constructor(noop); + resolve(promise, object); + return promise; +} + +var PROMISE_ID = Math.random().toString(36).substring(2); + +function noop() {} + +var PENDING = void 0; +var FULFILLED = 1; +var REJECTED = 2; + +var TRY_CATCH_ERROR = { error: null }; + +function selfFulfillment() { + return new TypeError("You cannot resolve a promise with itself"); +} + +function cannotReturnOwn() { + return new TypeError('A promises callback cannot return that same promise.'); +} + +function getThen(promise) { + try { + return promise.then; + } catch (error) { + TRY_CATCH_ERROR.error = error; + return TRY_CATCH_ERROR; + } +} + +function tryThen(then$$1, value, fulfillmentHandler, rejectionHandler) { + try { + then$$1.call(value, fulfillmentHandler, rejectionHandler); + } catch (e) { + return e; + } +} + +function handleForeignThenable(promise, thenable, then$$1) { + asap(function (promise) { + var sealed = false; + var error = tryThen(then$$1, thenable, function (value) { + if (sealed) { + return; + } + sealed = true; + if (thenable !== value) { + resolve(promise, value); + } else { + fulfill(promise, value); + } + }, function (reason) { + if (sealed) { + return; + } + sealed = true; + + reject(promise, reason); + }, 'Settle: ' + (promise._label || ' unknown promise')); + + if (!sealed && error) { + sealed = true; + reject(promise, error); + } + }, promise); +} + +function handleOwnThenable(promise, thenable) { + if (thenable._state === FULFILLED) { + fulfill(promise, thenable._result); + } else if (thenable._state === REJECTED) { + reject(promise, thenable._result); + } else { + subscribe(thenable, undefined, function (value) { + return resolve(promise, value); + }, function (reason) { + return reject(promise, reason); + }); + } +} + +function handleMaybeThenable(promise, maybeThenable, then$$1) { + if (maybeThenable.constructor === promise.constructor && then$$1 === then && maybeThenable.constructor.resolve === resolve$1) { + handleOwnThenable(promise, maybeThenable); + } else { + if (then$$1 === TRY_CATCH_ERROR) { + reject(promise, TRY_CATCH_ERROR.error); + TRY_CATCH_ERROR.error = null; + } else if (then$$1 === undefined) { + fulfill(promise, maybeThenable); + } else if (isFunction(then$$1)) { + handleForeignThenable(promise, maybeThenable, then$$1); + } else { + fulfill(promise, maybeThenable); + } + } +} + +function resolve(promise, value) { + if (promise === value) { + reject(promise, selfFulfillment()); + } else if (objectOrFunction(value)) { + handleMaybeThenable(promise, value, getThen(value)); + } else { + fulfill(promise, value); + } +} + +function publishRejection(promise) { + if (promise._onerror) { + promise._onerror(promise._result); + } + + publish(promise); +} + +function fulfill(promise, value) { + if (promise._state !== PENDING) { + return; + } + + promise._result = value; + promise._state = FULFILLED; + + if (promise._subscribers.length !== 0) { + asap(publish, promise); + } +} + +function reject(promise, reason) { + if (promise._state !== PENDING) { + return; + } + promise._state = REJECTED; + promise._result = reason; + + asap(publishRejection, promise); +} + +function subscribe(parent, child, onFulfillment, onRejection) { + var _subscribers = parent._subscribers; + var length = _subscribers.length; + + + parent._onerror = null; + + _subscribers[length] = child; + _subscribers[length + FULFILLED] = onFulfillment; + _subscribers[length + REJECTED] = onRejection; + + if (length === 0 && parent._state) { + asap(publish, parent); + } +} + +function publish(promise) { + var subscribers = promise._subscribers; + var settled = promise._state; + + if (subscribers.length === 0) { + return; + } + + var child = void 0, + callback = void 0, + detail = promise._result; + + for (var i = 0; i < subscribers.length; i += 3) { + child = subscribers[i]; + callback = subscribers[i + settled]; + + if (child) { + invokeCallback(settled, child, callback, detail); + } else { + callback(detail); + } + } + + promise._subscribers.length = 0; +} + +function tryCatch(callback, detail) { + try { + return callback(detail); + } catch (e) { + TRY_CATCH_ERROR.error = e; + return TRY_CATCH_ERROR; + } +} + +function invokeCallback(settled, promise, callback, detail) { + var hasCallback = isFunction(callback), + value = void 0, + error = void 0, + succeeded = void 0, + failed = void 0; + + if (hasCallback) { + value = tryCatch(callback, detail); + + if (value === TRY_CATCH_ERROR) { + failed = true; + error = value.error; + value.error = null; + } else { + succeeded = true; + } + + if (promise === value) { + reject(promise, cannotReturnOwn()); + return; + } + } else { + value = detail; + succeeded = true; + } + + if (promise._state !== PENDING) { + // noop + } else if (hasCallback && succeeded) { + resolve(promise, value); + } else if (failed) { + reject(promise, error); + } else if (settled === FULFILLED) { + fulfill(promise, value); + } else if (settled === REJECTED) { + reject(promise, value); + } +} + +function initializePromise(promise, resolver) { + try { + resolver(function resolvePromise(value) { + resolve(promise, value); + }, function rejectPromise(reason) { + reject(promise, reason); + }); + } catch (e) { + reject(promise, e); + } +} + +var id = 0; +function nextId() { + return id++; +} + +function makePromise(promise) { + promise[PROMISE_ID] = id++; + promise._state = undefined; + promise._result = undefined; + promise._subscribers = []; +} + +function validationError() { + return new Error('Array Methods must be provided an Array'); +} + +var Enumerator = function () { + function Enumerator(Constructor, input) { + this._instanceConstructor = Constructor; + this.promise = new Constructor(noop); + + if (!this.promise[PROMISE_ID]) { + makePromise(this.promise); + } + + if (isArray(input)) { + this.length = input.length; + this._remaining = input.length; + + this._result = new Array(this.length); + + if (this.length === 0) { + fulfill(this.promise, this._result); + } else { + this.length = this.length || 0; + this._enumerate(input); + if (this._remaining === 0) { + fulfill(this.promise, this._result); + } + } + } else { + reject(this.promise, validationError()); + } + } + + Enumerator.prototype._enumerate = function _enumerate(input) { + for (var i = 0; this._state === PENDING && i < input.length; i++) { + this._eachEntry(input[i], i); + } + }; + + Enumerator.prototype._eachEntry = function _eachEntry(entry, i) { + var c = this._instanceConstructor; + var resolve$$1 = c.resolve; + + + if (resolve$$1 === resolve$1) { + var _then = getThen(entry); + + if (_then === then && entry._state !== PENDING) { + this._settledAt(entry._state, i, entry._result); + } else if (typeof _then !== 'function') { + this._remaining--; + this._result[i] = entry; + } else if (c === Promise$2) { + var promise = new c(noop); + handleMaybeThenable(promise, entry, _then); + this._willSettleAt(promise, i); + } else { + this._willSettleAt(new c(function (resolve$$1) { + return resolve$$1(entry); + }), i); + } + } else { + this._willSettleAt(resolve$$1(entry), i); + } + }; + + Enumerator.prototype._settledAt = function _settledAt(state, i, value) { + var promise = this.promise; + + + if (promise._state === PENDING) { + this._remaining--; + + if (state === REJECTED) { + reject(promise, value); + } else { + this._result[i] = value; + } + } + + if (this._remaining === 0) { + fulfill(promise, this._result); + } + }; + + Enumerator.prototype._willSettleAt = function _willSettleAt(promise, i) { + var enumerator = this; + + subscribe(promise, undefined, function (value) { + return enumerator._settledAt(FULFILLED, i, value); + }, function (reason) { + return enumerator._settledAt(REJECTED, i, reason); + }); + }; + + return Enumerator; +}(); + +/** + `Promise.all` accepts an array of promises, and returns a new promise which + is fulfilled with an array of fulfillment values for the passed promises, or + rejected with the reason of the first passed promise to be rejected. It casts all + elements of the passed iterable to promises as it runs this algorithm. + + Example: + + ```javascript + let promise1 = resolve(1); + let promise2 = resolve(2); + let promise3 = resolve(3); + let promises = [ promise1, promise2, promise3 ]; + + Promise.all(promises).then(function(array){ + // The array here would be [ 1, 2, 3 ]; + }); + ``` + + If any of the `promises` given to `all` are rejected, the first promise + that is rejected will be given as an argument to the returned promises's + rejection handler. For example: + + Example: + + ```javascript + let promise1 = resolve(1); + let promise2 = reject(new Error("2")); + let promise3 = reject(new Error("3")); + let promises = [ promise1, promise2, promise3 ]; + + Promise.all(promises).then(function(array){ + // Code here never runs because there are rejected promises! + }, function(error) { + // error.message === "2" + }); + ``` + + @method all + @static + @param {Array} entries array of promises + @param {String} label optional string for labeling the promise. + Useful for tooling. + @return {Promise} promise that is fulfilled when all `promises` have been + fulfilled, or rejected if any of them become rejected. + @static +*/ +function all(entries) { + return new Enumerator(this, entries).promise; +} + +/** + `Promise.race` returns a new promise which is settled in the same way as the + first passed promise to settle. + + Example: + + ```javascript + let promise1 = new Promise(function(resolve, reject){ + setTimeout(function(){ + resolve('promise 1'); + }, 200); + }); + + let promise2 = new Promise(function(resolve, reject){ + setTimeout(function(){ + resolve('promise 2'); + }, 100); + }); + + Promise.race([promise1, promise2]).then(function(result){ + // result === 'promise 2' because it was resolved before promise1 + // was resolved. + }); + ``` + + `Promise.race` is deterministic in that only the state of the first + settled promise matters. For example, even if other promises given to the + `promises` array argument are resolved, but the first settled promise has + become rejected before the other promises became fulfilled, the returned + promise will become rejected: + + ```javascript + let promise1 = new Promise(function(resolve, reject){ + setTimeout(function(){ + resolve('promise 1'); + }, 200); + }); + + let promise2 = new Promise(function(resolve, reject){ + setTimeout(function(){ + reject(new Error('promise 2')); + }, 100); + }); + + Promise.race([promise1, promise2]).then(function(result){ + // Code here never runs + }, function(reason){ + // reason.message === 'promise 2' because promise 2 became rejected before + // promise 1 became fulfilled + }); + ``` + + An example real-world use case is implementing timeouts: + + ```javascript + Promise.race([ajax('foo.json'), timeout(5000)]) + ``` + + @method race + @static + @param {Array} promises array of promises to observe + Useful for tooling. + @return {Promise} a promise which settles in the same way as the first passed + promise to settle. +*/ +function race(entries) { + /*jshint validthis:true */ + var Constructor = this; + + if (!isArray(entries)) { + return new Constructor(function (_, reject) { + return reject(new TypeError('You must pass an array to race.')); + }); + } else { + return new Constructor(function (resolve, reject) { + var length = entries.length; + for (var i = 0; i < length; i++) { + Constructor.resolve(entries[i]).then(resolve, reject); + } + }); + } +} + +/** + `Promise.reject` returns a promise rejected with the passed `reason`. + It is shorthand for the following: + + ```javascript + let promise = new Promise(function(resolve, reject){ + reject(new Error('WHOOPS')); + }); + + promise.then(function(value){ + // Code here doesn't run because the promise is rejected! + }, function(reason){ + // reason.message === 'WHOOPS' + }); + ``` + + Instead of writing the above, your code now simply becomes the following: + + ```javascript + let promise = Promise.reject(new Error('WHOOPS')); + + promise.then(function(value){ + // Code here doesn't run because the promise is rejected! + }, function(reason){ + // reason.message === 'WHOOPS' + }); + ``` + + @method reject + @static + @param {Any} reason value that the returned promise will be rejected with. + Useful for tooling. + @return {Promise} a promise rejected with the given `reason`. +*/ +function reject$1(reason) { + /*jshint validthis:true */ + var Constructor = this; + var promise = new Constructor(noop); + reject(promise, reason); + return promise; +} + +function needsResolver() { + throw new TypeError('You must pass a resolver function as the first argument to the promise constructor'); +} + +function needsNew() { + throw new TypeError("Failed to construct 'Promise': Please use the 'new' operator, this object constructor cannot be called as a function."); +} + +/** + Promise objects represent the eventual result of an asynchronous operation. The + primary way of interacting with a promise is through its `then` method, which + registers callbacks to receive either a promise's eventual value or the reason + why the promise cannot be fulfilled. + + Terminology + ----------- + + - `promise` is an object or function with a `then` method whose behavior conforms to this specification. + - `thenable` is an object or function that defines a `then` method. + - `value` is any legal JavaScript value (including undefined, a thenable, or a promise). + - `exception` is a value that is thrown using the throw statement. + - `reason` is a value that indicates why a promise was rejected. + - `settled` the final resting state of a promise, fulfilled or rejected. + + A promise can be in one of three states: pending, fulfilled, or rejected. + + Promises that are fulfilled have a fulfillment value and are in the fulfilled + state. Promises that are rejected have a rejection reason and are in the + rejected state. A fulfillment value is never a thenable. + + Promises can also be said to *resolve* a value. If this value is also a + promise, then the original promise's settled state will match the value's + settled state. So a promise that *resolves* a promise that rejects will + itself reject, and a promise that *resolves* a promise that fulfills will + itself fulfill. + + + Basic Usage: + ------------ + + ```js + let promise = new Promise(function(resolve, reject) { + // on success + resolve(value); + + // on failure + reject(reason); + }); + + promise.then(function(value) { + // on fulfillment + }, function(reason) { + // on rejection + }); + ``` + + Advanced Usage: + --------------- + + Promises shine when abstracting away asynchronous interactions such as + `XMLHttpRequest`s. + + ```js + function getJSON(url) { + return new Promise(function(resolve, reject){ + let xhr = new XMLHttpRequest(); + + xhr.open('GET', url); + xhr.onreadystatechange = handler; + xhr.responseType = 'json'; + xhr.setRequestHeader('Accept', 'application/json'); + xhr.send(); + + function handler() { + if (this.readyState === this.DONE) { + if (this.status === 200) { + resolve(this.response); + } else { + reject(new Error('getJSON: `' + url + '` failed with status: [' + this.status + ']')); + } + } + }; + }); + } + + getJSON('/posts.json').then(function(json) { + // on fulfillment + }, function(reason) { + // on rejection + }); + ``` + + Unlike callbacks, promises are great composable primitives. + + ```js + Promise.all([ + getJSON('/posts'), + getJSON('/comments') + ]).then(function(values){ + values[0] // => postsJSON + values[1] // => commentsJSON + + return values; + }); + ``` + + @class Promise + @param {Function} resolver + Useful for tooling. + @constructor +*/ + +var Promise$2 = function () { + function Promise(resolver) { + this[PROMISE_ID] = nextId(); + this._result = this._state = undefined; + this._subscribers = []; + + if (noop !== resolver) { + typeof resolver !== 'function' && needsResolver(); + this instanceof Promise ? initializePromise(this, resolver) : needsNew(); + } + } + + /** + The primary way of interacting with a promise is through its `then` method, + which registers callbacks to receive either a promise's eventual value or the + reason why the promise cannot be fulfilled. + ```js + findUser().then(function(user){ + // user is available + }, function(reason){ + // user is unavailable, and you are given the reason why + }); + ``` + Chaining + -------- + The return value of `then` is itself a promise. This second, 'downstream' + promise is resolved with the return value of the first promise's fulfillment + or rejection handler, or rejected if the handler throws an exception. + ```js + findUser().then(function (user) { + return user.name; + }, function (reason) { + return 'default name'; + }).then(function (userName) { + // If `findUser` fulfilled, `userName` will be the user's name, otherwise it + // will be `'default name'` + }); + findUser().then(function (user) { + throw new Error('Found user, but still unhappy'); + }, function (reason) { + throw new Error('`findUser` rejected and we're unhappy'); + }).then(function (value) { + // never reached + }, function (reason) { + // if `findUser` fulfilled, `reason` will be 'Found user, but still unhappy'. + // If `findUser` rejected, `reason` will be '`findUser` rejected and we're unhappy'. + }); + ``` + If the downstream promise does not specify a rejection handler, rejection reasons will be propagated further downstream. + ```js + findUser().then(function (user) { + throw new PedagogicalException('Upstream error'); + }).then(function (value) { + // never reached + }).then(function (value) { + // never reached + }, function (reason) { + // The `PedgagocialException` is propagated all the way down to here + }); + ``` + Assimilation + ------------ + Sometimes the value you want to propagate to a downstream promise can only be + retrieved asynchronously. This can be achieved by returning a promise in the + fulfillment or rejection handler. The downstream promise will then be pending + until the returned promise is settled. This is called *assimilation*. + ```js + findUser().then(function (user) { + return findCommentsByAuthor(user); + }).then(function (comments) { + // The user's comments are now available + }); + ``` + If the assimliated promise rejects, then the downstream promise will also reject. + ```js + findUser().then(function (user) { + return findCommentsByAuthor(user); + }).then(function (comments) { + // If `findCommentsByAuthor` fulfills, we'll have the value here + }, function (reason) { + // If `findCommentsByAuthor` rejects, we'll have the reason here + }); + ``` + Simple Example + -------------- + Synchronous Example + ```javascript + let result; + try { + result = findResult(); + // success + } catch(reason) { + // failure + } + ``` + Errback Example + ```js + findResult(function(result, err){ + if (err) { + // failure + } else { + // success + } + }); + ``` + Promise Example; + ```javascript + findResult().then(function(result){ + // success + }, function(reason){ + // failure + }); + ``` + Advanced Example + -------------- + Synchronous Example + ```javascript + let author, books; + try { + author = findAuthor(); + books = findBooksByAuthor(author); + // success + } catch(reason) { + // failure + } + ``` + Errback Example + ```js + function foundBooks(books) { + } + function failure(reason) { + } + findAuthor(function(author, err){ + if (err) { + failure(err); + // failure + } else { + try { + findBoooksByAuthor(author, function(books, err) { + if (err) { + failure(err); + } else { + try { + foundBooks(books); + } catch(reason) { + failure(reason); + } + } + }); + } catch(error) { + failure(err); + } + // success + } + }); + ``` + Promise Example; + ```javascript + findAuthor(). + then(findBooksByAuthor). + then(function(books){ + // found books + }).catch(function(reason){ + // something went wrong + }); + ``` + @method then + @param {Function} onFulfilled + @param {Function} onRejected + Useful for tooling. + @return {Promise} + */ + + /** + `catch` is simply sugar for `then(undefined, onRejection)` which makes it the same + as the catch block of a try/catch statement. + ```js + function findAuthor(){ + throw new Error('couldn't find that author'); + } + // synchronous + try { + findAuthor(); + } catch(reason) { + // something went wrong + } + // async with promises + findAuthor().catch(function(reason){ + // something went wrong + }); + ``` + @method catch + @param {Function} onRejection + Useful for tooling. + @return {Promise} + */ + + + Promise.prototype.catch = function _catch(onRejection) { + return this.then(null, onRejection); + }; + + /** + `finally` will be invoked regardless of the promise's fate just as native + try/catch/finally behaves + + Synchronous example: + + ```js + findAuthor() { + if (Math.random() > 0.5) { + throw new Error(); + } + return new Author(); + } + + try { + return findAuthor(); // succeed or fail + } catch(error) { + return findOtherAuther(); + } finally { + // always runs + // doesn't affect the return value + } + ``` + + Asynchronous example: + + ```js + findAuthor().catch(function(reason){ + return findOtherAuther(); + }).finally(function(){ + // author was either found, or not + }); + ``` + + @method finally + @param {Function} callback + @return {Promise} + */ + + + Promise.prototype.finally = function _finally(callback) { + var promise = this; + var constructor = promise.constructor; + + return promise.then(function (value) { + return constructor.resolve(callback()).then(function () { + return value; + }); + }, function (reason) { + return constructor.resolve(callback()).then(function () { + throw reason; + }); + }); + }; + + return Promise; +}(); + +Promise$2.prototype.then = then; +Promise$2.all = all; +Promise$2.race = race; +Promise$2.resolve = resolve$1; +Promise$2.reject = reject$1; +Promise$2._setScheduler = setScheduler; +Promise$2._setAsap = setAsap; +Promise$2._asap = asap; + +/*global self*/ +function polyfill() { + var local = void 0; + + if (typeof global !== 'undefined') { + local = global; + } else if (typeof self !== 'undefined') { + local = self; + } else { + try { + local = Function('return this')(); + } catch (e) { + throw new Error('polyfill failed because global object is unavailable in this environment'); + } + } + + var P = local.Promise; + + if (P) { + var promiseToString = null; + try { + promiseToString = Object.prototype.toString.call(P.resolve()); + } catch (e) { + // silently ignored + } + + if (promiseToString === '[object Promise]' && !P.cast) { + return; + } + } + + local.Promise = Promise$2; +} + +// Strange compat.. +Promise$2.polyfill = polyfill; +Promise$2.Promise = Promise$2; + +Promise$2.polyfill(); + +return Promise$2; + +}))); + + + +//# sourceMappingURL=es6-promise.auto.map