mirror of https://github.com/CesiumGS/cesium.git
Clean up code
This commit is contained in:
parent
cf480ef629
commit
9c52419c38
|
|
@ -118,7 +118,7 @@ export default function ModelExperimentalSceneGraph(options) {
|
|||
this.modelPipelineStages = [];
|
||||
|
||||
this._boundingSphere = undefined;
|
||||
this._computedModelMatrix = Matrix4.clone(this._model.modelMatrix);
|
||||
this._computedModelMatrix = new Matrix4();
|
||||
|
||||
initialize(this);
|
||||
}
|
||||
|
|
@ -190,13 +190,14 @@ function initialize(sceneGraph) {
|
|||
);
|
||||
|
||||
const rootNodes = scene.nodes;
|
||||
const transformToRoot = Matrix4.IDENTITY;
|
||||
for (let i = 0; i < rootNodes.length; i++) {
|
||||
const rootNode = scene.nodes[i];
|
||||
|
||||
const rootNodeIndex = traverseSceneGraph(
|
||||
sceneGraph,
|
||||
rootNode,
|
||||
Matrix4.IDENTITY
|
||||
transformToRoot
|
||||
);
|
||||
|
||||
sceneGraph._rootNodes.push(rootNodeIndex);
|
||||
|
|
@ -209,7 +210,7 @@ function initialize(sceneGraph) {
|
|||
*
|
||||
* @param {ModelSceneGraph} sceneGraph The scene graph
|
||||
* @param {ModelComponents.Node} node The current node
|
||||
* @param {Matrix4} transformToRoot The computed model space transform of this node's ancestors.
|
||||
* @param {Matrix4} transformToRoot The transforms of this node's ancestors.
|
||||
*
|
||||
* @returns {Number} The index of this node in the runtimeNodes array.
|
||||
*
|
||||
|
|
@ -225,7 +226,7 @@ function traverseSceneGraph(sceneGraph, node, transformToRoot) {
|
|||
if (defined(node.children)) {
|
||||
for (i = 0; i < node.children.length; i++) {
|
||||
const childNode = node.children[i];
|
||||
const childNodeTransformToRoot = Matrix4.multiply(
|
||||
const childNodeTransformToRoot = Matrix4.multiplyTransformation(
|
||||
transformToRoot,
|
||||
transform,
|
||||
new Matrix4()
|
||||
|
|
|
|||
|
|
@ -41,7 +41,7 @@ ModelMatrixUpdateStage.update = function (runtimeNode, sceneGraph, frameState) {
|
|||
function updateRuntimeNode(runtimeNode, sceneGraph, transformToRoot) {
|
||||
let i, j;
|
||||
|
||||
const sceneGraphTransform = Matrix4.multiply(
|
||||
const sceneGraphTransform = Matrix4.multiplyTransformation(
|
||||
transformToRoot,
|
||||
runtimeNode.transform,
|
||||
new Matrix4()
|
||||
|
|
|
|||
|
|
@ -96,7 +96,7 @@ export default function NodeRenderResources(modelRenderResources, runtimeNode) {
|
|||
*
|
||||
* @private
|
||||
*/
|
||||
this.transform = Matrix4.multiply(
|
||||
this.transform = Matrix4.multiplyTransformation(
|
||||
runtimeNode.transformToRoot,
|
||||
runtimeNode.transform,
|
||||
new Matrix4()
|
||||
|
|
|
|||
|
|
@ -1,748 +0,0 @@
|
|||
/* This file is automatically rebuilt by the Cesium build process. */
|
||||
import { c as createCommonjsModule } from './_commonjsHelpers-3aae1032.js';
|
||||
|
||||
var when = createCommonjsModule(function (module, exports) {
|
||||
/** @license MIT License (c) copyright B Cavalier & J Hann */
|
||||
|
||||
/**
|
||||
* A lightweight CommonJS Promises/A and when() implementation
|
||||
* when is part of the cujo.js family of libraries (http://cujojs.com/)
|
||||
*
|
||||
* Licensed under the MIT License at:
|
||||
* http://www.opensource.org/licenses/mit-license.php
|
||||
*
|
||||
* @version 1.7.1
|
||||
*/
|
||||
|
||||
(function(define) {define(function () {
|
||||
var reduceArray, slice, undef;
|
||||
|
||||
//
|
||||
// Public API
|
||||
//
|
||||
|
||||
when.defer = defer; // Create a deferred
|
||||
when.resolve = resolve; // Create a resolved promise
|
||||
when.reject = reject; // Create a rejected promise
|
||||
|
||||
when.join = join; // Join 2 or more promises
|
||||
|
||||
when.all = all; // Resolve a list of promises
|
||||
when.map = map; // Array.map() for promises
|
||||
when.reduce = reduce; // Array.reduce() for promises
|
||||
|
||||
when.any = any; // One-winner race
|
||||
when.some = some; // Multi-winner race
|
||||
|
||||
when.chain = chain; // Make a promise trigger another resolver
|
||||
|
||||
when.isPromise = isPromise; // Determine if a thing is a promise
|
||||
|
||||
/**
|
||||
* Register an observer for a promise or immediate value.
|
||||
*
|
||||
* @param {*} promiseOrValue
|
||||
* @param {function?} [onFulfilled] callback to be called when promiseOrValue is
|
||||
* successfully fulfilled. If promiseOrValue is an immediate value, callback
|
||||
* will be invoked immediately.
|
||||
* @param {function?} [onRejected] callback to be called when promiseOrValue is
|
||||
* rejected.
|
||||
* @param {function?} [onProgress] callback to be called when progress updates
|
||||
* are issued for promiseOrValue.
|
||||
* @returns {Promise} a new {@link Promise} that will complete with the return
|
||||
* value of callback or errback or the completion value of promiseOrValue if
|
||||
* callback and/or errback is not supplied.
|
||||
*/
|
||||
function when(promiseOrValue, onFulfilled, onRejected, onProgress) {
|
||||
// Get a trusted promise for the input promiseOrValue, and then
|
||||
// register promise handlers
|
||||
return resolve(promiseOrValue).then(onFulfilled, onRejected, onProgress);
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns promiseOrValue if promiseOrValue is a {@link Promise}, a new Promise if
|
||||
* promiseOrValue is a foreign promise, or a new, already-fulfilled {@link Promise}
|
||||
* whose value is promiseOrValue if promiseOrValue is an immediate value.
|
||||
*
|
||||
* @param {*} promiseOrValue
|
||||
* @returns Guaranteed to return a trusted Promise. If promiseOrValue is a when.js {@link Promise}
|
||||
* returns promiseOrValue, otherwise, returns a new, already-resolved, when.js {@link Promise}
|
||||
* whose resolution value is:
|
||||
* * the resolution value of promiseOrValue if it's a foreign promise, or
|
||||
* * promiseOrValue if it's a value
|
||||
*/
|
||||
function resolve(promiseOrValue) {
|
||||
var promise, deferred;
|
||||
|
||||
if(promiseOrValue instanceof Promise) {
|
||||
// It's a when.js promise, so we trust it
|
||||
promise = promiseOrValue;
|
||||
|
||||
} else {
|
||||
// It's not a when.js promise. See if it's a foreign promise or a value.
|
||||
if(isPromise(promiseOrValue)) {
|
||||
// It's a thenable, but we don't know where it came from, so don't trust
|
||||
// its implementation entirely. Introduce a trusted middleman when.js promise
|
||||
deferred = defer();
|
||||
|
||||
// IMPORTANT: This is the only place when.js should ever call .then() on an
|
||||
// untrusted promise. Don't expose the return value to the untrusted promise
|
||||
promiseOrValue.then(
|
||||
function(value) { deferred.resolve(value); },
|
||||
function(reason) { deferred.reject(reason); },
|
||||
function(update) { deferred.progress(update); }
|
||||
);
|
||||
|
||||
promise = deferred.promise;
|
||||
|
||||
} else {
|
||||
// It's a value, not a promise. Create a resolved promise for it.
|
||||
promise = fulfilled(promiseOrValue);
|
||||
}
|
||||
}
|
||||
|
||||
return promise;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns a rejected promise for the supplied promiseOrValue. The returned
|
||||
* promise will be rejected with:
|
||||
* - promiseOrValue, if it is a value, or
|
||||
* - if promiseOrValue is a promise
|
||||
* - promiseOrValue's value after it is fulfilled
|
||||
* - promiseOrValue's reason after it is rejected
|
||||
* @param {*} promiseOrValue the rejected value of the returned {@link Promise}
|
||||
* @return {Promise} rejected {@link Promise}
|
||||
*/
|
||||
function reject(promiseOrValue) {
|
||||
return when(promiseOrValue, rejected);
|
||||
}
|
||||
|
||||
/**
|
||||
* Trusted Promise constructor. A Promise created from this constructor is
|
||||
* a trusted when.js promise. Any other duck-typed promise is considered
|
||||
* untrusted.
|
||||
* @constructor
|
||||
* @name Promise
|
||||
*/
|
||||
function Promise(then) {
|
||||
this.then = then;
|
||||
}
|
||||
|
||||
Promise.prototype = {
|
||||
/**
|
||||
* Register a callback that will be called when a promise is
|
||||
* fulfilled or rejected. Optionally also register a progress handler.
|
||||
* Shortcut for .then(onFulfilledOrRejected, onFulfilledOrRejected, onProgress)
|
||||
* @param {function?} [onFulfilledOrRejected]
|
||||
* @param {function?} [onProgress]
|
||||
* @return {Promise}
|
||||
*/
|
||||
always: function(onFulfilledOrRejected, onProgress) {
|
||||
return this.then(onFulfilledOrRejected, onFulfilledOrRejected, onProgress);
|
||||
},
|
||||
|
||||
/**
|
||||
* Register a rejection handler. Shortcut for .then(undefined, onRejected)
|
||||
* @param {function?} onRejected
|
||||
* @return {Promise}
|
||||
*/
|
||||
otherwise: function(onRejected) {
|
||||
return this.then(undef, onRejected);
|
||||
},
|
||||
|
||||
/**
|
||||
* Shortcut for .then(function() { return value; })
|
||||
* @param {*} value
|
||||
* @return {Promise} a promise that:
|
||||
* - is fulfilled if value is not a promise, or
|
||||
* - if value is a promise, will fulfill with its value, or reject
|
||||
* with its reason.
|
||||
*/
|
||||
yield: function(value) {
|
||||
return this.then(function() {
|
||||
return value;
|
||||
});
|
||||
},
|
||||
|
||||
/**
|
||||
* Assumes that this promise will fulfill with an array, and arranges
|
||||
* for the onFulfilled to be called with the array as its argument list
|
||||
* i.e. onFulfilled.spread(undefined, array).
|
||||
* @param {function} onFulfilled function to receive spread arguments
|
||||
* @return {Promise}
|
||||
*/
|
||||
spread: function(onFulfilled) {
|
||||
return this.then(function(array) {
|
||||
// array may contain promises, so resolve its contents.
|
||||
return all(array, function(array) {
|
||||
return onFulfilled.apply(undef, array);
|
||||
});
|
||||
});
|
||||
}
|
||||
};
|
||||
|
||||
/**
|
||||
* Create an already-resolved promise for the supplied value
|
||||
* @private
|
||||
*
|
||||
* @param {*} value
|
||||
* @return {Promise} fulfilled promise
|
||||
*/
|
||||
function fulfilled(value) {
|
||||
var p = new Promise(function(onFulfilled) {
|
||||
// TODO: Promises/A+ check typeof onFulfilled
|
||||
try {
|
||||
return resolve(onFulfilled ? onFulfilled(value) : value);
|
||||
} catch(e) {
|
||||
return rejected(e);
|
||||
}
|
||||
});
|
||||
|
||||
return p;
|
||||
}
|
||||
|
||||
/**
|
||||
* Create an already-rejected {@link Promise} with the supplied
|
||||
* rejection reason.
|
||||
* @private
|
||||
*
|
||||
* @param {*} reason
|
||||
* @return {Promise} rejected promise
|
||||
*/
|
||||
function rejected(reason) {
|
||||
var p = new Promise(function(_, onRejected) {
|
||||
// TODO: Promises/A+ check typeof onRejected
|
||||
try {
|
||||
return onRejected ? resolve(onRejected(reason)) : rejected(reason);
|
||||
} catch(e) {
|
||||
return rejected(e);
|
||||
}
|
||||
});
|
||||
|
||||
return p;
|
||||
}
|
||||
|
||||
/**
|
||||
* Creates a new, Deferred with fully isolated resolver and promise parts,
|
||||
* either or both of which may be given out safely to consumers.
|
||||
* The Deferred itself has the full API: resolve, reject, progress, and
|
||||
* then. The resolver has resolve, reject, and progress. The promise
|
||||
* only has then.
|
||||
*
|
||||
* @return {Deferred}
|
||||
*/
|
||||
function defer() {
|
||||
var deferred, promise, handlers, progressHandlers,
|
||||
_then, _progress, _resolve;
|
||||
|
||||
/**
|
||||
* The promise for the new deferred
|
||||
* @type {Promise}
|
||||
*/
|
||||
promise = new Promise(then);
|
||||
|
||||
/**
|
||||
* The full Deferred object, with {@link Promise} and {@link Resolver} parts
|
||||
* @class Deferred
|
||||
* @name Deferred
|
||||
*/
|
||||
deferred = {
|
||||
then: then, // DEPRECATED: use deferred.promise.then
|
||||
resolve: promiseResolve,
|
||||
reject: promiseReject,
|
||||
// TODO: Consider renaming progress() to notify()
|
||||
progress: promiseProgress,
|
||||
|
||||
promise: promise,
|
||||
|
||||
resolver: {
|
||||
resolve: promiseResolve,
|
||||
reject: promiseReject,
|
||||
progress: promiseProgress
|
||||
}
|
||||
};
|
||||
|
||||
handlers = [];
|
||||
progressHandlers = [];
|
||||
|
||||
/**
|
||||
* Pre-resolution then() that adds the supplied callback, errback, and progback
|
||||
* functions to the registered listeners
|
||||
* @private
|
||||
*
|
||||
* @param {function?} [onFulfilled] resolution handler
|
||||
* @param {function?} [onRejected] rejection handler
|
||||
* @param {function?} [onProgress] progress handler
|
||||
*/
|
||||
_then = function(onFulfilled, onRejected, onProgress) {
|
||||
// TODO: Promises/A+ check typeof onFulfilled, onRejected, onProgress
|
||||
var deferred, progressHandler;
|
||||
|
||||
deferred = defer();
|
||||
|
||||
progressHandler = typeof onProgress === 'function'
|
||||
? function(update) {
|
||||
try {
|
||||
// Allow progress handler to transform progress event
|
||||
deferred.progress(onProgress(update));
|
||||
} catch(e) {
|
||||
// Use caught value as progress
|
||||
deferred.progress(e);
|
||||
}
|
||||
}
|
||||
: function(update) { deferred.progress(update); };
|
||||
|
||||
handlers.push(function(promise) {
|
||||
promise.then(onFulfilled, onRejected)
|
||||
.then(deferred.resolve, deferred.reject, progressHandler);
|
||||
});
|
||||
|
||||
progressHandlers.push(progressHandler);
|
||||
|
||||
return deferred.promise;
|
||||
};
|
||||
|
||||
/**
|
||||
* Issue a progress event, notifying all progress listeners
|
||||
* @private
|
||||
* @param {*} update progress event payload to pass to all listeners
|
||||
*/
|
||||
_progress = function(update) {
|
||||
processQueue(progressHandlers, update);
|
||||
return update;
|
||||
};
|
||||
|
||||
/**
|
||||
* Transition from pre-resolution state to post-resolution state, notifying
|
||||
* all listeners of the resolution or rejection
|
||||
* @private
|
||||
* @param {*} value the value of this deferred
|
||||
*/
|
||||
_resolve = function(value) {
|
||||
value = resolve(value);
|
||||
|
||||
// Replace _then with one that directly notifies with the result.
|
||||
_then = value.then;
|
||||
// Replace _resolve so that this Deferred can only be resolved once
|
||||
_resolve = resolve;
|
||||
// Make _progress a noop, to disallow progress for the resolved promise.
|
||||
_progress = noop;
|
||||
|
||||
// Notify handlers
|
||||
processQueue(handlers, value);
|
||||
|
||||
// Free progressHandlers array since we'll never issue progress events
|
||||
progressHandlers = handlers = undef;
|
||||
|
||||
return value;
|
||||
};
|
||||
|
||||
return deferred;
|
||||
|
||||
/**
|
||||
* Wrapper to allow _then to be replaced safely
|
||||
* @param {function?} [onFulfilled] resolution handler
|
||||
* @param {function?} [onRejected] rejection handler
|
||||
* @param {function?} [onProgress] progress handler
|
||||
* @return {Promise} new promise
|
||||
*/
|
||||
function then(onFulfilled, onRejected, onProgress) {
|
||||
// TODO: Promises/A+ check typeof onFulfilled, onRejected, onProgress
|
||||
return _then(onFulfilled, onRejected, onProgress);
|
||||
}
|
||||
|
||||
/**
|
||||
* Wrapper to allow _resolve to be replaced
|
||||
*/
|
||||
function promiseResolve(val) {
|
||||
return _resolve(val);
|
||||
}
|
||||
|
||||
/**
|
||||
* Wrapper to allow _reject to be replaced
|
||||
*/
|
||||
function promiseReject(err) {
|
||||
return _resolve(rejected(err));
|
||||
}
|
||||
|
||||
/**
|
||||
* Wrapper to allow _progress to be replaced
|
||||
*/
|
||||
function promiseProgress(update) {
|
||||
return _progress(update);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Determines if promiseOrValue is a promise or not. Uses the feature
|
||||
* test from http://wiki.commonjs.org/wiki/Promises/A to determine if
|
||||
* promiseOrValue is a promise.
|
||||
*
|
||||
* @param {*} promiseOrValue anything
|
||||
* @returns {boolean} true if promiseOrValue is a {@link Promise}
|
||||
*/
|
||||
function isPromise(promiseOrValue) {
|
||||
return promiseOrValue && typeof promiseOrValue.then === 'function';
|
||||
}
|
||||
|
||||
/**
|
||||
* Initiates a competitive race, returning a promise that will resolve when
|
||||
* howMany of the supplied promisesOrValues have resolved, or will reject when
|
||||
* it becomes impossible for howMany to resolve, for example, when
|
||||
* (promisesOrValues.length - howMany) + 1 input promises reject.
|
||||
*
|
||||
* @param {Array} promisesOrValues array of anything, may contain a mix
|
||||
* of promises and values
|
||||
* @param howMany {number} number of promisesOrValues to resolve
|
||||
* @param {function?} [onFulfilled] resolution handler
|
||||
* @param {function?} [onRejected] rejection handler
|
||||
* @param {function?} [onProgress] progress handler
|
||||
* @returns {Promise} promise that will resolve to an array of howMany values that
|
||||
* resolved first, or will reject with an array of (promisesOrValues.length - howMany) + 1
|
||||
* rejection reasons.
|
||||
*/
|
||||
function some(promisesOrValues, howMany, onFulfilled, onRejected, onProgress) {
|
||||
|
||||
checkCallbacks(2, arguments);
|
||||
|
||||
return when(promisesOrValues, function(promisesOrValues) {
|
||||
|
||||
var toResolve, toReject, values, reasons, deferred, fulfillOne, rejectOne, progress, len, i;
|
||||
|
||||
len = promisesOrValues.length >>> 0;
|
||||
|
||||
toResolve = Math.max(0, Math.min(howMany, len));
|
||||
values = [];
|
||||
|
||||
toReject = (len - toResolve) + 1;
|
||||
reasons = [];
|
||||
|
||||
deferred = defer();
|
||||
|
||||
// No items in the input, resolve immediately
|
||||
if (!toResolve) {
|
||||
deferred.resolve(values);
|
||||
|
||||
} else {
|
||||
progress = deferred.progress;
|
||||
|
||||
rejectOne = function(reason) {
|
||||
reasons.push(reason);
|
||||
if(!--toReject) {
|
||||
fulfillOne = rejectOne = noop;
|
||||
deferred.reject(reasons);
|
||||
}
|
||||
};
|
||||
|
||||
fulfillOne = function(val) {
|
||||
// This orders the values based on promise resolution order
|
||||
// Another strategy would be to use the original position of
|
||||
// the corresponding promise.
|
||||
values.push(val);
|
||||
|
||||
if (!--toResolve) {
|
||||
fulfillOne = rejectOne = noop;
|
||||
deferred.resolve(values);
|
||||
}
|
||||
};
|
||||
|
||||
for(i = 0; i < len; ++i) {
|
||||
if(i in promisesOrValues) {
|
||||
when(promisesOrValues[i], fulfiller, rejecter, progress);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return deferred.then(onFulfilled, onRejected, onProgress);
|
||||
|
||||
function rejecter(reason) {
|
||||
rejectOne(reason);
|
||||
}
|
||||
|
||||
function fulfiller(val) {
|
||||
fulfillOne(val);
|
||||
}
|
||||
|
||||
});
|
||||
}
|
||||
|
||||
/**
|
||||
* Initiates a competitive race, returning a promise that will resolve when
|
||||
* any one of the supplied promisesOrValues has resolved or will reject when
|
||||
* *all* promisesOrValues have rejected.
|
||||
*
|
||||
* @param {Array|Promise} promisesOrValues array of anything, may contain a mix
|
||||
* of {@link Promise}s and values
|
||||
* @param {function?} [onFulfilled] resolution handler
|
||||
* @param {function?} [onRejected] rejection handler
|
||||
* @param {function?} [onProgress] progress handler
|
||||
* @returns {Promise} promise that will resolve to the value that resolved first, or
|
||||
* will reject with an array of all rejected inputs.
|
||||
*/
|
||||
function any(promisesOrValues, onFulfilled, onRejected, onProgress) {
|
||||
|
||||
function unwrapSingleResult(val) {
|
||||
return onFulfilled ? onFulfilled(val[0]) : val[0];
|
||||
}
|
||||
|
||||
return some(promisesOrValues, 1, unwrapSingleResult, onRejected, onProgress);
|
||||
}
|
||||
|
||||
/**
|
||||
* Return a promise that will resolve only once all the supplied promisesOrValues
|
||||
* have resolved. The resolution value of the returned promise will be an array
|
||||
* containing the resolution values of each of the promisesOrValues.
|
||||
* @memberOf when
|
||||
*
|
||||
* @param {Array|Promise} promisesOrValues array of anything, may contain a mix
|
||||
* of {@link Promise}s and values
|
||||
* @param {function?} [onFulfilled] resolution handler
|
||||
* @param {function?} [onRejected] rejection handler
|
||||
* @param {function?} [onProgress] progress handler
|
||||
* @returns {Promise}
|
||||
*/
|
||||
function all(promisesOrValues, onFulfilled, onRejected, onProgress) {
|
||||
checkCallbacks(1, arguments);
|
||||
return map(promisesOrValues, identity).then(onFulfilled, onRejected, onProgress);
|
||||
}
|
||||
|
||||
/**
|
||||
* Joins multiple promises into a single returned promise.
|
||||
* @return {Promise} a promise that will fulfill when *all* the input promises
|
||||
* have fulfilled, or will reject when *any one* of the input promises rejects.
|
||||
*/
|
||||
function join(/* ...promises */) {
|
||||
return map(arguments, identity);
|
||||
}
|
||||
|
||||
/**
|
||||
* Traditional map function, similar to `Array.prototype.map()`, but allows
|
||||
* input to contain {@link Promise}s and/or values, and mapFunc may return
|
||||
* either a value or a {@link Promise}
|
||||
*
|
||||
* @param {Array|Promise} promise array of anything, may contain a mix
|
||||
* of {@link Promise}s and values
|
||||
* @param {function} mapFunc mapping function mapFunc(value) which may return
|
||||
* either a {@link Promise} or value
|
||||
* @returns {Promise} a {@link Promise} that will resolve to an array containing
|
||||
* the mapped output values.
|
||||
*/
|
||||
function map(promise, mapFunc) {
|
||||
return when(promise, function(array) {
|
||||
var results, len, toResolve, resolve, i, d;
|
||||
|
||||
// Since we know the resulting length, we can preallocate the results
|
||||
// array to avoid array expansions.
|
||||
toResolve = len = array.length >>> 0;
|
||||
results = [];
|
||||
d = defer();
|
||||
|
||||
if(!toResolve) {
|
||||
d.resolve(results);
|
||||
} else {
|
||||
|
||||
resolve = function resolveOne(item, i) {
|
||||
when(item, mapFunc).then(function(mapped) {
|
||||
results[i] = mapped;
|
||||
|
||||
if(!--toResolve) {
|
||||
d.resolve(results);
|
||||
}
|
||||
}, d.reject);
|
||||
};
|
||||
|
||||
// Since mapFunc may be async, get all invocations of it into flight
|
||||
for(i = 0; i < len; i++) {
|
||||
if(i in array) {
|
||||
resolve(array[i], i);
|
||||
} else {
|
||||
--toResolve;
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
return d.promise;
|
||||
|
||||
});
|
||||
}
|
||||
|
||||
/**
|
||||
* Traditional reduce function, similar to `Array.prototype.reduce()`, but
|
||||
* input may contain promises and/or values, and reduceFunc
|
||||
* may return either a value or a promise, *and* initialValue may
|
||||
* be a promise for the starting value.
|
||||
*
|
||||
* @param {Array|Promise} promise array or promise for an array of anything,
|
||||
* may contain a mix of promises and values.
|
||||
* @param {function} reduceFunc reduce function reduce(currentValue, nextValue, index, total),
|
||||
* where total is the total number of items being reduced, and will be the same
|
||||
* in each call to reduceFunc.
|
||||
* @returns {Promise} that will resolve to the final reduced value
|
||||
*/
|
||||
function reduce(promise, reduceFunc /*, initialValue */) {
|
||||
var args = slice.call(arguments, 1);
|
||||
|
||||
return when(promise, function(array) {
|
||||
var total;
|
||||
|
||||
total = array.length;
|
||||
|
||||
// Wrap the supplied reduceFunc with one that handles promises and then
|
||||
// delegates to the supplied.
|
||||
args[0] = function (current, val, i) {
|
||||
return when(current, function (c) {
|
||||
return when(val, function (value) {
|
||||
return reduceFunc(c, value, i, total);
|
||||
});
|
||||
});
|
||||
};
|
||||
|
||||
return reduceArray.apply(array, args);
|
||||
});
|
||||
}
|
||||
|
||||
/**
|
||||
* Ensure that resolution of promiseOrValue will trigger resolver with the
|
||||
* value or reason of promiseOrValue, or instead with resolveValue if it is provided.
|
||||
*
|
||||
* @param promiseOrValue
|
||||
* @param {Object} resolver
|
||||
* @param {function} resolver.resolve
|
||||
* @param {function} resolver.reject
|
||||
* @param {*} [resolveValue]
|
||||
* @returns {Promise}
|
||||
*/
|
||||
function chain(promiseOrValue, resolver, resolveValue) {
|
||||
var useResolveValue = arguments.length > 2;
|
||||
|
||||
return when(promiseOrValue,
|
||||
function(val) {
|
||||
val = useResolveValue ? resolveValue : val;
|
||||
resolver.resolve(val);
|
||||
return val;
|
||||
},
|
||||
function(reason) {
|
||||
resolver.reject(reason);
|
||||
return rejected(reason);
|
||||
},
|
||||
resolver.progress
|
||||
);
|
||||
}
|
||||
|
||||
//
|
||||
// Utility functions
|
||||
//
|
||||
|
||||
/**
|
||||
* Apply all functions in queue to value
|
||||
* @param {Array} queue array of functions to execute
|
||||
* @param {*} value argument passed to each function
|
||||
*/
|
||||
function processQueue(queue, value) {
|
||||
var handler, i = 0;
|
||||
|
||||
while (handler = queue[i++]) {
|
||||
handler(value);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Helper that checks arrayOfCallbacks to ensure that each element is either
|
||||
* a function, or null or undefined.
|
||||
* @private
|
||||
* @param {number} start index at which to start checking items in arrayOfCallbacks
|
||||
* @param {Array} arrayOfCallbacks array to check
|
||||
* @throws {Error} if any element of arrayOfCallbacks is something other than
|
||||
* a functions, null, or undefined.
|
||||
*/
|
||||
function checkCallbacks(start, arrayOfCallbacks) {
|
||||
// TODO: Promises/A+ update type checking and docs
|
||||
var arg, i = arrayOfCallbacks.length;
|
||||
|
||||
while(i > start) {
|
||||
arg = arrayOfCallbacks[--i];
|
||||
|
||||
if (arg != null && typeof arg != 'function') {
|
||||
throw new Error('arg '+i+' must be a function');
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* No-Op function used in method replacement
|
||||
* @private
|
||||
*/
|
||||
function noop() {}
|
||||
|
||||
slice = [].slice;
|
||||
|
||||
// ES5 reduce implementation if native not available
|
||||
// See: http://es5.github.com/#x15.4.4.21 as there are many
|
||||
// specifics and edge cases.
|
||||
reduceArray = [].reduce ||
|
||||
function(reduceFunc /*, initialValue */) {
|
||||
/*jshint maxcomplexity: 7*/
|
||||
|
||||
// ES5 dictates that reduce.length === 1
|
||||
|
||||
// This implementation deviates from ES5 spec in the following ways:
|
||||
// 1. It does not check if reduceFunc is a Callable
|
||||
|
||||
var arr, args, reduced, len, i;
|
||||
|
||||
i = 0;
|
||||
// This generates a jshint warning, despite being valid
|
||||
// "Missing 'new' prefix when invoking a constructor."
|
||||
// See https://github.com/jshint/jshint/issues/392
|
||||
arr = Object(this);
|
||||
len = arr.length >>> 0;
|
||||
args = arguments;
|
||||
|
||||
// If no initialValue, use first item of array (we know length !== 0 here)
|
||||
// and adjust i to start at second item
|
||||
if(args.length <= 1) {
|
||||
// Skip to the first real element in the array
|
||||
for(;;) {
|
||||
if(i in arr) {
|
||||
reduced = arr[i++];
|
||||
break;
|
||||
}
|
||||
|
||||
// If we reached the end of the array without finding any real
|
||||
// elements, it's a TypeError
|
||||
if(++i >= len) {
|
||||
throw new TypeError();
|
||||
}
|
||||
}
|
||||
} else {
|
||||
// If initialValue provided, use it
|
||||
reduced = args[1];
|
||||
}
|
||||
|
||||
// Do the actual reduce
|
||||
for(;i < len; ++i) {
|
||||
// Skip holes
|
||||
if(i in arr) {
|
||||
reduced = reduceFunc(reduced, arr[i], i, arr);
|
||||
}
|
||||
}
|
||||
|
||||
return reduced;
|
||||
};
|
||||
|
||||
function identity(x) {
|
||||
return x;
|
||||
}
|
||||
|
||||
return when;
|
||||
});
|
||||
})(function (factory) { (module.exports = factory())
|
||||
;
|
||||
}
|
||||
// Boilerplate for AMD, Node, and browser global
|
||||
);
|
||||
});
|
||||
|
||||
export { when as default };
|
||||
Loading…
Reference in New Issue