ionic-framework
Version:
The ionic-framework package comes with both Javascript and Sass frontend dependencies, located in the root of the package, and a Node API, located in `tooling/`.
1,263 lines (1,086 loc) • 38.1 kB
JavaScript
// from https://gist.github.com/Yaffle/1088850
(function(global) {
function URLPolyfill(url, baseURL) {
if (typeof url != 'string')
throw new TypeError('URL must be a string');
var m = String(url).replace(/^\s+|\s+$/g, "").match(/^([^:\/?#]+:)?(?:\/\/(?:([^:@\/?#]*)(?::([^:@\/?#]*))?@)?(([^:\/?#]*)(?::(\d*))?))?([^?#]*)(\?[^#]*)?(#[\s\S]*)?/);
if (!m) {
throw new RangeError();
}
var protocol = m[1] || "";
var username = m[2] || "";
var password = m[3] || "";
var host = m[4] || "";
var hostname = m[5] || "";
var port = m[6] || "";
var pathname = m[7] || "";
var search = m[8] || "";
var hash = m[9] || "";
if (baseURL !== undefined) {
var base = baseURL instanceof URLPolyfill ? baseURL : new URLPolyfill(baseURL);
var flag = protocol === "" && host === "" && username === "";
if (flag && pathname === "" && search === "") {
search = base.search;
}
if (flag && pathname.charAt(0) !== "/") {
pathname = (pathname !== "" ? (((base.host !== "" || base.username !== "") && base.pathname === "" ? "/" : "") + base.pathname.slice(0, base.pathname.lastIndexOf("/") + 1) + pathname) : base.pathname);
}
// dot segments removal
var output = [];
pathname.replace(/^(\.\.?(\/|$))+/, "")
.replace(/\/(\.(\/|$))+/g, "/")
.replace(/\/\.\.$/, "/../")
.replace(/\/?[^\/]*/g, function (p) {
if (p === "/..") {
output.pop();
} else {
output.push(p);
}
});
pathname = output.join("").replace(/^\//, pathname.charAt(0) === "/" ? "/" : "");
if (flag) {
port = base.port;
hostname = base.hostname;
host = base.host;
password = base.password;
username = base.username;
}
if (protocol === "") {
protocol = base.protocol;
}
}
// convert windows file URLs to use /
if (protocol == 'file:')
pathname = pathname.replace(/\\/g, '/');
this.origin = protocol + (protocol !== "" || host !== "" ? "//" : "") + host;
this.href = protocol + (protocol !== "" || host !== "" ? "//" : "") + (username !== "" ? username + (password !== "" ? ":" + password : "") + "@" : "") + host + pathname + search + hash;
this.protocol = protocol;
this.username = username;
this.password = password;
this.host = host;
this.hostname = hostname;
this.port = port;
this.pathname = pathname;
this.search = search;
this.hash = hash;
}
global.URLPolyfill = URLPolyfill;
})(typeof self != 'undefined' ? self : global);
(function(__global) {
var isWorker = typeof window == 'undefined' && typeof self != 'undefined' && typeof importScripts != 'undefined';
var isBrowser = typeof window != 'undefined' && typeof document != 'undefined';
var isWindows = typeof process != 'undefined' && typeof process.platform != 'undefined' && !!process.platform.match(/^win/);
if (!__global.console)
__global.console = { assert: function() {} };
// IE8 support
var indexOf = Array.prototype.indexOf || function(item) {
for (var i = 0, thisLen = this.length; i < thisLen; i++) {
if (this[i] === item) {
return i;
}
}
return -1;
};
var defineProperty;
(function () {
try {
if (!!Object.defineProperty({}, 'a', {}))
defineProperty = Object.defineProperty;
}
catch (e) {
defineProperty = function(obj, prop, opt) {
try {
obj[prop] = opt.value || opt.get.call(obj);
}
catch(e) {}
}
}
})();
function addToError(err, msg) {
var newErr;
if (err instanceof Error) {
newErr = new Error(err.message, err.fileName, err.lineNumber);
if (isBrowser) {
newErr.message = err.message + '\n\t' + msg;
newErr.stack = err.stack;
}
else {
// node errors only look correct with the stack modified
newErr.message = err.message;
newErr.stack = err.stack + '\n\t' + msg;
}
}
else {
newErr = err + '\n\t' + msg;
}
return newErr;
}
function __eval(source, debugName, context) {
try {
new Function(source).call(context);
}
catch(e) {
throw addToError(e, 'Evaluating ' + debugName);
}
}
var baseURI;
// environent baseURI detection
if (typeof document != 'undefined' && document.getElementsByTagName) {
baseURI = document.baseURI;
if (!baseURI) {
var bases = document.getElementsByTagName('base');
baseURI = bases[0] && bases[0].href || window.location.href;
}
// sanitize out the hash and querystring
baseURI = baseURI.split('#')[0].split('?')[0];
baseURI = baseURI.substr(0, baseURI.lastIndexOf('/') + 1);
}
else if (typeof process != 'undefined' && process.cwd) {
baseURI = 'file://' + (isWindows ? '/' : '') + process.cwd() + '/';
if (isWindows)
baseURI = baseURI.replace(/\\/g, '/');
}
else if (typeof location != 'undefined') {
baseURI = __global.location.href;
}
else {
throw new TypeError('No environment baseURI');
}
var URL = __global.URLPolyfill || __global.URL;
/*
*********************************************************************************************
Dynamic Module Loader Polyfill
- Implemented exactly to the former 2014-08-24 ES6 Specification Draft Rev 27, Section 15
http://wiki.ecmascript.org/doku.php?id=harmony:specification_drafts#august_24_2014_draft_rev_27
- Functions are commented with their spec numbers, with spec differences commented.
- Spec bugs are commented in this code with links.
- Abstract functions have been combined where possible, and their associated functions
commented.
- Realm implementation is entirely omitted.
*********************************************************************************************
*/
function Module() {}
// http://www.ecma-international.org/ecma-262/6.0/#sec-@@tostringtag
defineProperty(Module.prototype, 'toString', {
value: function() {
return 'Module';
}
});
function Loader(options) {
this._loader = {
loaderObj: this,
loads: [],
modules: {},
importPromises: {},
moduleRecords: {}
};
// 26.3.3.6
defineProperty(this, 'global', {
get: function() {
return __global;
}
});
// 26.3.3.13 realm not implemented
}
(function() {
// Some Helpers
// logs a linkset snapshot for debugging
/* function snapshot(loader) {
console.log('---Snapshot---');
for (var i = 0; i < loader.loads.length; i++) {
var load = loader.loads[i];
var linkSetLog = ' ' + load.name + ' (' + load.status + '): ';
for (var j = 0; j < load.linkSets.length; j++) {
linkSetLog += '{' + logloads(load.linkSets[j].loads) + '} ';
}
console.log(linkSetLog);
}
console.log('');
}
function logloads(loads) {
var log = '';
for (var k = 0; k < loads.length; k++)
log += loads[k].name + (k != loads.length - 1 ? ' ' : '');
return log;
} */
/* function checkInvariants() {
// see https://bugs.ecmascript.org/show_bug.cgi?id=2603#c1
var loads = System._loader.loads;
var linkSets = [];
for (var i = 0; i < loads.length; i++) {
var load = loads[i];
console.assert(load.status == 'loading' || load.status == 'loaded', 'Each load is loading or loaded');
for (var j = 0; j < load.linkSets.length; j++) {
var linkSet = load.linkSets[j];
for (var k = 0; k < linkSet.loads.length; k++)
console.assert(loads.indexOf(linkSet.loads[k]) != -1, 'linkSet loads are a subset of loader loads');
if (linkSets.indexOf(linkSet) == -1)
linkSets.push(linkSet);
}
}
for (var i = 0; i < loads.length; i++) {
var load = loads[i];
for (var j = 0; j < linkSets.length; j++) {
var linkSet = linkSets[j];
if (linkSet.loads.indexOf(load) != -1)
console.assert(load.linkSets.indexOf(linkSet) != -1, 'linkSet contains load -> load contains linkSet');
if (load.linkSets.indexOf(linkSet) != -1)
console.assert(linkSet.loads.indexOf(load) != -1, 'load contains linkSet -> linkSet contains load');
}
}
for (var i = 0; i < linkSets.length; i++) {
var linkSet = linkSets[i];
for (var j = 0; j < linkSet.loads.length; j++) {
var load = linkSet.loads[j];
for (var k = 0; k < load.dependencies.length; k++) {
var depName = load.dependencies[k].value;
var depLoad;
for (var l = 0; l < loads.length; l++) {
if (loads[l].name != depName)
continue;
depLoad = loads[l];
break;
}
// loading records are allowed not to have their dependencies yet
// if (load.status != 'loading')
// console.assert(depLoad, 'depLoad found');
// console.assert(linkSet.loads.indexOf(depLoad) != -1, 'linkset contains all dependencies');
}
}
}
} */
// 15.2.3 - Runtime Semantics: Loader State
// 15.2.3.11
function createLoaderLoad(object) {
return {
// modules is an object for ES5 implementation
modules: {},
loads: [],
loaderObj: object
};
}
// 15.2.3.2 Load Records and LoadRequest Objects
// 15.2.3.2.1
function createLoad(name) {
return {
status: 'loading',
name: name,
linkSets: [],
dependencies: [],
metadata: {}
};
}
// 15.2.3.2.2 createLoadRequestObject, absorbed into calling functions
// 15.2.4
// 15.2.4.1
function loadModule(loader, name, options) {
return new Promise(asyncStartLoadPartwayThrough({
step: options.address ? 'fetch' : 'locate',
loader: loader,
moduleName: name,
// allow metadata for import https://bugs.ecmascript.org/show_bug.cgi?id=3091
moduleMetadata: options && options.metadata || {},
moduleSource: options.source,
moduleAddress: options.address
}));
}
// 15.2.4.2
function requestLoad(loader, request, refererName, refererAddress) {
// 15.2.4.2.1 CallNormalize
return new Promise(function(resolve, reject) {
resolve(loader.loaderObj.normalize(request, refererName, refererAddress));
})
// 15.2.4.2.2 GetOrCreateLoad
.then(function(name) {
var load;
if (loader.modules[name]) {
load = createLoad(name);
load.status = 'linked';
// https://bugs.ecmascript.org/show_bug.cgi?id=2795
load.module = loader.modules[name];
return load;
}
for (var i = 0, l = loader.loads.length; i < l; i++) {
load = loader.loads[i];
if (load.name != name)
continue;
console.assert(load.status == 'loading' || load.status == 'loaded', 'loading or loaded');
return load;
}
load = createLoad(name);
loader.loads.push(load);
proceedToLocate(loader, load);
return load;
});
}
// 15.2.4.3
function proceedToLocate(loader, load) {
proceedToFetch(loader, load,
Promise.resolve()
// 15.2.4.3.1 CallLocate
.then(function() {
return loader.loaderObj.locate({ name: load.name, metadata: load.metadata });
})
);
}
// 15.2.4.4
function proceedToFetch(loader, load, p) {
proceedToTranslate(loader, load,
p
// 15.2.4.4.1 CallFetch
.then(function(address) {
// adjusted, see https://bugs.ecmascript.org/show_bug.cgi?id=2602
if (load.status != 'loading')
return;
load.address = address;
return loader.loaderObj.fetch({ name: load.name, metadata: load.metadata, address: address });
})
);
}
var anonCnt = 0;
// 15.2.4.5
function proceedToTranslate(loader, load, p) {
p
// 15.2.4.5.1 CallTranslate
.then(function(source) {
if (load.status != 'loading')
return;
return Promise.resolve(loader.loaderObj.translate({ name: load.name, metadata: load.metadata, address: load.address, source: source }))
// 15.2.4.5.2 CallInstantiate
.then(function(source) {
load.source = source;
return loader.loaderObj.instantiate({ name: load.name, metadata: load.metadata, address: load.address, source: source });
})
// 15.2.4.5.3 InstantiateSucceeded
.then(function(instantiateResult) {
if (instantiateResult === undefined) {
load.address = load.address || '<Anonymous Module ' + ++anonCnt + '>';
// instead of load.kind, use load.isDeclarative
load.isDeclarative = true;
return transpile.call(loader.loaderObj, load)
.then(function(transpiled) {
// Hijack System.register to set declare function
var curSystem = __global.System;
var curRegister = curSystem.register;
curSystem.register = function(name, deps, declare) {
if (typeof name != 'string') {
declare = deps;
deps = name;
}
// store the registered declaration as load.declare
// store the deps as load.deps
load.declare = declare;
load.depsList = deps;
}
// empty {} context is closest to undefined 'this' we can get
__eval(transpiled, load.address, {});
curSystem.register = curRegister;
});
}
else if (typeof instantiateResult == 'object') {
load.depsList = instantiateResult.deps || [];
load.execute = instantiateResult.execute;
load.isDeclarative = false;
}
else
throw TypeError('Invalid instantiate return value');
})
// 15.2.4.6 ProcessLoadDependencies
.then(function() {
load.dependencies = [];
var depsList = load.depsList;
var loadPromises = [];
for (var i = 0, l = depsList.length; i < l; i++) (function(request, index) {
loadPromises.push(
requestLoad(loader, request, load.name, load.address)
// 15.2.4.6.1 AddDependencyLoad (load is parentLoad)
.then(function(depLoad) {
// adjusted from spec to maintain dependency order
// this is due to the System.register internal implementation needs
load.dependencies[index] = {
key: request,
value: depLoad.name
};
if (depLoad.status != 'linked') {
var linkSets = load.linkSets.concat([]);
for (var i = 0, l = linkSets.length; i < l; i++)
addLoadToLinkSet(linkSets[i], depLoad);
}
// console.log('AddDependencyLoad ' + depLoad.name + ' for ' + load.name);
// snapshot(loader);
})
);
})(depsList[i], i);
return Promise.all(loadPromises);
})
// 15.2.4.6.2 LoadSucceeded
.then(function() {
// console.log('LoadSucceeded ' + load.name);
// snapshot(loader);
console.assert(load.status == 'loading', 'is loading');
load.status = 'loaded';
var linkSets = load.linkSets.concat([]);
for (var i = 0, l = linkSets.length; i < l; i++)
updateLinkSetOnLoad(linkSets[i], load);
});
})
// 15.2.4.5.4 LoadFailed
['catch'](function(exc) {
load.status = 'failed';
load.exception = exc;
var linkSets = load.linkSets.concat([]);
for (var i = 0, l = linkSets.length; i < l; i++) {
linkSetFailed(linkSets[i], load, exc);
}
console.assert(load.linkSets.length == 0, 'linkSets not removed');
});
}
// 15.2.4.7 PromiseOfStartLoadPartwayThrough absorbed into calling functions
// 15.2.4.7.1
function asyncStartLoadPartwayThrough(stepState) {
return function(resolve, reject) {
var loader = stepState.loader;
var name = stepState.moduleName;
var step = stepState.step;
if (loader.modules[name])
throw new TypeError('"' + name + '" already exists in the module table');
// adjusted to pick up existing loads
var existingLoad;
for (var i = 0, l = loader.loads.length; i < l; i++) {
if (loader.loads[i].name == name) {
existingLoad = loader.loads[i];
if (step == 'translate' && !existingLoad.source) {
existingLoad.address = stepState.moduleAddress;
proceedToTranslate(loader, existingLoad, Promise.resolve(stepState.moduleSource));
}
// a primary load -> use that existing linkset if it is for the direct load here
// otherwise create a new linkset unit
if (existingLoad.linkSets.length && existingLoad.linkSets[0].loads[0].name == existingLoad.name)
return existingLoad.linkSets[0].done.then(function() {
resolve(existingLoad);
});
}
}
var load = existingLoad || createLoad(name);
load.metadata = stepState.moduleMetadata;
var linkSet = createLinkSet(loader, load);
loader.loads.push(load);
resolve(linkSet.done);
if (step == 'locate')
proceedToLocate(loader, load);
else if (step == 'fetch')
proceedToFetch(loader, load, Promise.resolve(stepState.moduleAddress));
else {
console.assert(step == 'translate', 'translate step');
load.address = stepState.moduleAddress;
proceedToTranslate(loader, load, Promise.resolve(stepState.moduleSource));
}
}
}
// Declarative linking functions run through alternative implementation:
// 15.2.5.1.1 CreateModuleLinkageRecord not implemented
// 15.2.5.1.2 LookupExport not implemented
// 15.2.5.1.3 LookupModuleDependency not implemented
// 15.2.5.2.1
function createLinkSet(loader, startingLoad) {
var linkSet = {
loader: loader,
loads: [],
startingLoad: startingLoad, // added see spec bug https://bugs.ecmascript.org/show_bug.cgi?id=2995
loadingCount: 0
};
linkSet.done = new Promise(function(resolve, reject) {
linkSet.resolve = resolve;
linkSet.reject = reject;
});
addLoadToLinkSet(linkSet, startingLoad);
return linkSet;
}
// 15.2.5.2.2
function addLoadToLinkSet(linkSet, load) {
if (load.status == 'failed')
return;
console.assert(load.status == 'loading' || load.status == 'loaded', 'loading or loaded on link set');
for (var i = 0, l = linkSet.loads.length; i < l; i++)
if (linkSet.loads[i] == load)
return;
linkSet.loads.push(load);
load.linkSets.push(linkSet);
// adjustment, see https://bugs.ecmascript.org/show_bug.cgi?id=2603
if (load.status != 'loaded') {
linkSet.loadingCount++;
}
var loader = linkSet.loader;
for (var i = 0, l = load.dependencies.length; i < l; i++) {
if (!load.dependencies[i])
continue;
var name = load.dependencies[i].value;
if (loader.modules[name])
continue;
for (var j = 0, d = loader.loads.length; j < d; j++) {
if (loader.loads[j].name != name)
continue;
addLoadToLinkSet(linkSet, loader.loads[j]);
break;
}
}
// console.log('add to linkset ' + load.name);
// snapshot(linkSet.loader);
}
// linking errors can be generic or load-specific
// this is necessary for debugging info
function doLink(linkSet) {
var error = false;
try {
link(linkSet, function(load, exc) {
linkSetFailed(linkSet, load, exc);
error = true;
});
}
catch(e) {
linkSetFailed(linkSet, null, e);
error = true;
}
return error;
}
// 15.2.5.2.3
function updateLinkSetOnLoad(linkSet, load) {
// console.log('update linkset on load ' + load.name);
// snapshot(linkSet.loader);
console.assert(load.status == 'loaded' || load.status == 'linked', 'loaded or linked');
linkSet.loadingCount--;
if (linkSet.loadingCount > 0)
return;
// adjusted for spec bug https://bugs.ecmascript.org/show_bug.cgi?id=2995
var startingLoad = linkSet.startingLoad;
// non-executing link variation for loader tracing
// on the server. Not in spec.
/***/
if (linkSet.loader.loaderObj.execute === false) {
var loads = [].concat(linkSet.loads);
for (var i = 0, l = loads.length; i < l; i++) {
var load = loads[i];
load.module = !load.isDeclarative ? {
module: _newModule({})
} : {
name: load.name,
module: _newModule({}),
evaluated: true
};
load.status = 'linked';
finishLoad(linkSet.loader, load);
}
return linkSet.resolve(startingLoad);
}
/***/
var abrupt = doLink(linkSet);
if (abrupt)
return;
console.assert(linkSet.loads.length == 0, 'loads cleared');
linkSet.resolve(startingLoad);
}
// 15.2.5.2.4
function linkSetFailed(linkSet, load, exc) {
var loader = linkSet.loader;
var requests;
checkError:
if (load) {
if (linkSet.loads[0].name == load.name) {
exc = addToError(exc, 'Error loading ' + load.name);
}
else {
for (var i = 0; i < linkSet.loads.length; i++) {
var pLoad = linkSet.loads[i];
for (var j = 0; j < pLoad.dependencies.length; j++) {
var dep = pLoad.dependencies[j];
if (dep.value == load.name) {
exc = addToError(exc, 'Error loading ' + load.name + ' as "' + dep.key + '" from ' + pLoad.name);
break checkError;
}
}
}
exc = addToError(exc, 'Error loading ' + load.name + ' from ' + linkSet.loads[0].name);
}
}
else {
exc = addToError(exc, 'Error linking ' + linkSet.loads[0].name);
}
var loads = linkSet.loads.concat([]);
for (var i = 0, l = loads.length; i < l; i++) {
var load = loads[i];
// store all failed load records
loader.loaderObj.failed = loader.loaderObj.failed || [];
if (indexOf.call(loader.loaderObj.failed, load) == -1)
loader.loaderObj.failed.push(load);
var linkIndex = indexOf.call(load.linkSets, linkSet);
console.assert(linkIndex != -1, 'link not present');
load.linkSets.splice(linkIndex, 1);
if (load.linkSets.length == 0) {
var globalLoadsIndex = indexOf.call(linkSet.loader.loads, load);
if (globalLoadsIndex != -1)
linkSet.loader.loads.splice(globalLoadsIndex, 1);
}
}
linkSet.reject(exc);
}
// 15.2.5.2.5
function finishLoad(loader, load) {
// add to global trace if tracing
if (loader.loaderObj.trace) {
if (!loader.loaderObj.loads)
loader.loaderObj.loads = {};
var depMap = {};
load.dependencies.forEach(function(dep) {
depMap[dep.key] = dep.value;
});
loader.loaderObj.loads[load.name] = {
name: load.name,
deps: load.dependencies.map(function(dep){ return dep.key }),
depMap: depMap,
address: load.address,
metadata: load.metadata,
source: load.source,
kind: load.isDeclarative ? 'declarative' : 'dynamic'
};
}
// if not anonymous, add to the module table
if (load.name) {
console.assert(!loader.modules[load.name], 'load not in module table');
loader.modules[load.name] = load.module;
}
var loadIndex = indexOf.call(loader.loads, load);
if (loadIndex != -1)
loader.loads.splice(loadIndex, 1);
for (var i = 0, l = load.linkSets.length; i < l; i++) {
loadIndex = indexOf.call(load.linkSets[i].loads, load);
if (loadIndex != -1)
load.linkSets[i].loads.splice(loadIndex, 1);
}
load.linkSets.splice(0, load.linkSets.length);
}
function doDynamicExecute(linkSet, load, linkError) {
try {
var module = load.execute();
}
catch(e) {
linkError(load, e);
return;
}
if (!module || !(module instanceof Module))
linkError(load, new TypeError('Execution must define a Module instance'));
else
return module;
}
// 26.3 Loader
// 26.3.1.1
// defined at top
// importPromises adds ability to import a module twice without error - https://bugs.ecmascript.org/show_bug.cgi?id=2601
function createImportPromise(loader, name, promise) {
var importPromises = loader._loader.importPromises;
return importPromises[name] = promise.then(function(m) {
importPromises[name] = undefined;
return m;
}, function(e) {
importPromises[name] = undefined;
throw e;
});
}
Loader.prototype = {
// 26.3.3.1
constructor: Loader,
// 26.3.3.2
define: function(name, source, options) {
// check if already defined
if (this._loader.importPromises[name])
throw new TypeError('Module is already loading.');
return createImportPromise(this, name, new Promise(asyncStartLoadPartwayThrough({
step: 'translate',
loader: this._loader,
moduleName: name,
moduleMetadata: options && options.metadata || {},
moduleSource: source,
moduleAddress: options && options.address
})));
},
// 26.3.3.3
'delete': function(name) {
var loader = this._loader;
delete loader.importPromises[name];
delete loader.moduleRecords[name];
return loader.modules[name] ? delete loader.modules[name] : false;
},
// 26.3.3.4 entries not implemented
// 26.3.3.5
get: function(key) {
if (!this._loader.modules[key])
return;
doEnsureEvaluated(this._loader.modules[key], [], this);
return this._loader.modules[key].module;
},
// 26.3.3.7
has: function(name) {
return !!this._loader.modules[name];
},
// 26.3.3.8
'import': function(name, parentName, parentAddress) {
if (typeof parentName == 'object')
parentName = parentName.name;
// run normalize first
var loaderObj = this;
// added, see https://bugs.ecmascript.org/show_bug.cgi?id=2659
return Promise.resolve(loaderObj.normalize(name, parentName))
.then(function(name) {
var loader = loaderObj._loader;
if (loader.modules[name]) {
doEnsureEvaluated(loader.modules[name], [], loader._loader);
return loader.modules[name].module;
}
return loader.importPromises[name] || createImportPromise(loaderObj, name,
loadModule(loader, name, {})
.then(function(load) {
delete loader.importPromises[name];
return evaluateLoadedModule(loader, load);
}));
});
},
// 26.3.3.9 keys not implemented
// 26.3.3.10
load: function(name) {
var loader = this._loader;
if (loader.modules[name])
return Promise.resolve();
return loader.importPromises[name] || createImportPromise(this, name, new Promise(asyncStartLoadPartwayThrough({
step: 'locate',
loader: loader,
moduleName: name,
moduleMetadata: {},
moduleSource: undefined,
moduleAddress: undefined
}))
.then(function() {
delete loader.importPromises[name];
}));
},
// 26.3.3.11
module: function(source, options) {
var load = createLoad();
load.address = options && options.address;
var linkSet = createLinkSet(this._loader, load);
var sourcePromise = Promise.resolve(source);
var loader = this._loader;
var p = linkSet.done.then(function() {
return evaluateLoadedModule(loader, load);
});
proceedToTranslate(loader, load, sourcePromise);
return p;
},
// 26.3.3.12
newModule: function (obj) {
if (typeof obj != 'object')
throw new TypeError('Expected object');
var m = new Module();
var pNames = [];
if (Object.getOwnPropertyNames && obj != null)
pNames = Object.getOwnPropertyNames(obj);
else
for (var key in obj)
pNames.push(key);
for (var i = 0; i < pNames.length; i++) (function(key) {
defineProperty(m, key, {
configurable: false,
enumerable: true,
get: function () {
return obj[key];
}
});
})(pNames[i]);
return m;
},
// 26.3.3.14
set: function(name, module) {
if (!(module instanceof Module))
throw new TypeError('Loader.set(' + name + ', module) must be a module');
this._loader.modules[name] = {
module: module
};
},
// 26.3.3.15 values not implemented
// 26.3.3.16 @@iterator not implemented
// 26.3.3.17 @@toStringTag not implemented
// 26.3.3.18.1
normalize: function(name, referrerName, referrerAddress) {
return name;
},
// 26.3.3.18.2
locate: function(load) {
return load.name;
},
// 26.3.3.18.3
fetch: function(load) {
},
// 26.3.3.18.4
translate: function(load) {
return load.source;
},
// 26.3.3.18.5
instantiate: function(load) {
}
};
var _newModule = Loader.prototype.newModule;
/*
* ES6 Module Declarative Linking Code - Dev Build Only
*/
function link(linkSet, linkError) {
var loader = linkSet.loader;
if (!linkSet.loads.length)
return;
var loads = linkSet.loads.concat([]);
for (var i = 0; i < loads.length; i++) {
var load = loads[i];
var module = doDynamicExecute(linkSet, load, linkError);
if (!module)
return;
load.module = {
name: load.name,
module: module
};
load.status = 'linked';
finishLoad(loader, load);
}
}
function evaluateLoadedModule(loader, load) {
console.assert(load.status == 'linked', 'is linked ' + load.name);
return load.module.module;
}
function doEnsureEvaluated() {}
function transpile() {
throw new TypeError('ES6 transpilation is only provided in the dev module loader build.');
}
})();
/*
*********************************************************************************************
System Loader Implementation
- Implemented to https://github.com/jorendorff/js-loaders/blob/master/browser-loader.js
- <script type="module"> supported
*********************************************************************************************
*/
var System;
function SystemLoader() {
Loader.call(this);
this.paths = {};
}
// NB no specification provided for System.paths, used ideas discussed in https://github.com/jorendorff/js-loaders/issues/25
function applyPaths(paths, name) {
// most specific (most number of slashes in path) match wins
var pathMatch = '', wildcard, maxWildcardPrefixLen = 0;
// check to see if we have a paths entry
for (var p in paths) {
var pathParts = p.split('*');
if (pathParts.length > 2)
throw new TypeError('Only one wildcard in a path is permitted');
// exact path match
if (pathParts.length == 1) {
if (name == p) {
pathMatch = p;
break;
}
}
// wildcard path match
else {
var wildcardPrefixLen = pathParts[0].length;
if (wildcardPrefixLen >= maxWildcardPrefixLen &&
name.substr(0, pathParts[0].length) == pathParts[0] &&
name.substr(name.length - pathParts[1].length) == pathParts[1]) {
maxWildcardPrefixLen = wildcardPrefixLen;
pathMatch = p;
wildcard = name.substr(pathParts[0].length, name.length - pathParts[1].length - pathParts[0].length);
}
}
}
var outPath = paths[pathMatch];
if (typeof wildcard == 'string')
outPath = outPath.replace('*', wildcard);
return outPath;
}
// inline Object.create-style class extension
function LoaderProto() {}
LoaderProto.prototype = Loader.prototype;
SystemLoader.prototype = new LoaderProto();
var absURLRegEx = /^([^\/]+:\/\/|\/)/;
// Normalization with module names as absolute URLs
SystemLoader.prototype.normalize = function(name, parentName, parentAddress) {
// NB does `import 'file.js'` import relative to the parent name or baseURL?
// have assumed that it is baseURL-relative here, but spec may well align with URLs to be the latter
// safe option for users is to always use "./file.js" for relative
// not absolute or relative -> apply paths (what will be sites)
if (!name.match(absURLRegEx) && name[0] != '.')
name = new URL(applyPaths(this.paths, name) || name, baseURI).href;
// apply parent-relative normalization, parentAddress is already normalized
else
name = new URL(name, parentName || baseURI).href;
return name;
};
SystemLoader.prototype.locate = function(load) {
return load.name;
};
// ensure the transpiler is loaded correctly
SystemLoader.prototype.instantiate = function(load) {
var self = this;
return Promise.resolve(self.normalize(self.transpiler))
.then(function(transpilerNormalized) {
// load transpiler as a global (avoiding System clobbering)
if (load.address === transpilerNormalized) {
return {
deps: [],
execute: function() {
var curSystem = __global.System;
var curLoader = __global.Reflect.Loader;
// ensure not detected as CommonJS
__eval('(function(require,exports,module){' + load.source + '})();', load.address, __global);
__global.System = curSystem;
__global.Reflect.Loader = curLoader;
return self.newModule({ 'default': __global[self.transpiler], __useDefault: true });
}
};
}
});
};
var fetchTextFromURL;
if (typeof XMLHttpRequest != 'undefined') {
fetchTextFromURL = function(url, authorization, fulfill, reject) {
var xhr = new XMLHttpRequest();
var sameDomain = true;
var doTimeout = false;
if (!('withCredentials' in xhr)) {
// check if same domain
var domainCheck = /^(\w+:)?\/\/([^\/]+)/.exec(url);
if (domainCheck) {
sameDomain = domainCheck[2] === window.location.host;
if (domainCheck[1])
sameDomain &= domainCheck[1] === window.location.protocol;
}
}
if (!sameDomain && typeof XDomainRequest != 'undefined') {
xhr = new XDomainRequest();
xhr.onload = load;
xhr.onerror = error;
xhr.ontimeout = error;
xhr.onprogress = function() {};
xhr.timeout = 0;
doTimeout = true;
}
function load() {
fulfill(xhr.responseText);
}
function error() {
reject(new Error('XHR error' + (xhr.status ? ' (' + xhr.status + (xhr.statusText ? ' ' + xhr.statusText : '') + ')' : '') + ' loading ' + url));
}
xhr.onreadystatechange = function () {
if (xhr.readyState === 4) {
// in Chrome on file:/// URLs, status is 0
if (xhr.status == 0) {
if (xhr.responseText) {
load();
}
else {
// when responseText is empty, wait for load or error event
// to inform if it is a 404 or empty file
xhr.addEventListener('error', error);
xhr.addEventListener('load', load);
}
}
else if (xhr.status === 200) {
load();
}
else {
error();
}
}
};
xhr.open("GET", url, true);
if (xhr.setRequestHeader) {
xhr.setRequestHeader('Accept', 'application/x-es-module, */*');
// can set "authorization: true" to enable withCredentials only
if (authorization) {
if (typeof authorization == 'string')
xhr.setRequestHeader('Authorization', authorization);
xhr.withCredentials = true;
}
}
if (doTimeout) {
setTimeout(function() {
xhr.send();
}, 0);
} else {
xhr.send(null);
}
};
}
else if (typeof require != 'undefined' && typeof process != 'undefined') {
var fs;
fetchTextFromURL = function(url, authorization, fulfill, reject) {
if (url.substr(0, 8) != 'file:///')
throw new Error('Unable to fetch "' + url + '". Only file URLs of the form file:/// allowed running in Node.');
fs = fs || require('fs');
if (isWindows)
url = url.replace(/\//g, '\\').substr(8);
else
url = url.substr(7);
return fs.readFile(url, function(err, data) {
if (err) {
return reject(err);
}
else {
// Strip Byte Order Mark out if it's the leading char
var dataString = data + '';
if (dataString[0] === '\ufeff')
dataString = dataString.substr(1);
fulfill(dataString);
}
});
};
}
else if (typeof self != 'undefined' && typeof self.fetch != 'undefined') {
fetchTextFromURL = function(url, authorization, fulfill, reject) {
var opts = {
headers: {'Accept': 'application/x-es-module, */*'}
};
if (authorization) {
if (typeof authorization == 'string')
opts.headers['Authorization'] = authorization;
opts.credentials = 'include';
}
fetch(url, opts)
.then(function (r) {
if (r.ok) {
return r.text();
} else {
throw new Error('Fetch error: ' + r.status + ' ' + r.statusText);
}
})
.then(fulfill, reject);
}
}
else {
throw new TypeError('No environment fetch API available.');
}
SystemLoader.prototype.fetch = function(load) {
return new Promise(function(resolve, reject) {
fetchTextFromURL(load.address, undefined, resolve, reject);
});
};
// -- exporting --
if (typeof exports === 'object')
module.exports = Loader;
__global.Reflect = __global.Reflect || {};
__global.Reflect.Loader = __global.Reflect.Loader || Loader;
__global.Reflect.global = __global.Reflect.global || __global;
__global.LoaderPolyfill = Loader;
if (!System) {
System = new SystemLoader();
System.constructor = SystemLoader;
}
if (typeof exports === 'object')
module.exports = System;
__global.System = System;
})(typeof self != 'undefined' ? self : global);