top-block-game-cocos-demo/temp/programming/preview/systemjs/system.js

1321 lines
46 KiB
JavaScript

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); }); }; }
function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }
function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _iterableToArrayLimit(arr, i) { if (typeof Symbol === "undefined" || !(Symbol.iterator in Object(arr))) return; var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
function _createForOfIteratorHelper(o, allowArrayLike) { var it; if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e2) { throw _e2; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = o[Symbol.iterator](); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e3) { didErr = true; err = _e3; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; }
function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
(function () {
'use strict';
function errMsg(errCode, msg) {
return (msg || "") + " (SystemJS Error#" + errCode + " " + "https://git.io/JvFET#" + errCode + ")";
}
var hasSymbol = typeof Symbol !== 'undefined';
var hasSelf = typeof self !== 'undefined';
var hasDocument = typeof document !== 'undefined';
var envGlobal = hasSelf ? self : global;
var baseUrl;
if (hasDocument) {
var baseEl = document.querySelector('base[href]');
if (baseEl) baseUrl = baseEl.href;
}
if (!baseUrl && typeof location !== 'undefined') {
baseUrl = location.href.split('#')[0].split('?')[0];
var lastSepIndex = baseUrl.lastIndexOf('/');
if (lastSepIndex !== -1) baseUrl = baseUrl.slice(0, lastSepIndex + 1);
}
var backslashRegEx = /\\/g;
function resolveIfNotPlainOrUrl(relUrl, parentUrl) {
if (relUrl.indexOf('\\') !== -1) relUrl = relUrl.replace(backslashRegEx, '/'); // protocol-relative
if (relUrl[0] === '/' && relUrl[1] === '/') {
return parentUrl.slice(0, parentUrl.indexOf(':') + 1) + relUrl;
} // relative-url
else if (relUrl[0] === '.' && (relUrl[1] === '/' || relUrl[1] === '.' && (relUrl[2] === '/' || relUrl.length === 2 && (relUrl += '/')) || relUrl.length === 1 && (relUrl += '/')) || relUrl[0] === '/') {
var parentProtocol = parentUrl.slice(0, parentUrl.indexOf(':') + 1); // Disabled, but these cases will give inconsistent results for deep backtracking
//if (parentUrl[parentProtocol.length] !== '/')
// throw Error('Cannot resolve');
// read pathname from parent URL
// pathname taken to be part after leading "/"
var pathname;
if (parentUrl[parentProtocol.length + 1] === '/') {
// resolving to a :// so we need to read out the auth and host
if (parentProtocol !== 'file:') {
pathname = parentUrl.slice(parentProtocol.length + 2);
pathname = pathname.slice(pathname.indexOf('/') + 1);
} else {
pathname = parentUrl.slice(8);
}
} else {
// resolving to :/ so pathname is the /... part
pathname = parentUrl.slice(parentProtocol.length + (parentUrl[parentProtocol.length] === '/'));
}
if (relUrl[0] === '/') return parentUrl.slice(0, parentUrl.length - pathname.length - 1) + relUrl; // join together and split for removal of .. and . segments
// looping the string instead of anything fancy for perf reasons
// '../../../../../z' resolved to 'x/y' is just 'z'
var segmented = pathname.slice(0, pathname.lastIndexOf('/') + 1) + relUrl;
var output = [];
var segmentIndex = -1;
for (var i = 0; i < segmented.length; i++) {
// busy reading a segment - only terminate on '/'
if (segmentIndex !== -1) {
if (segmented[i] === '/') {
output.push(segmented.slice(segmentIndex, i + 1));
segmentIndex = -1;
}
} // new segment - check if it is relative
else if (segmented[i] === '.') {
// ../ segment
if (segmented[i + 1] === '.' && (segmented[i + 2] === '/' || i + 2 === segmented.length)) {
output.pop();
i += 2;
} // ./ segment
else if (segmented[i + 1] === '/' || i + 1 === segmented.length) {
i += 1;
} else {
// the start of a new segment as below
segmentIndex = i;
}
} // it is the start of a new segment
else {
segmentIndex = i;
}
} // finish reading out the last segment
if (segmentIndex !== -1) output.push(segmented.slice(segmentIndex));
return parentUrl.slice(0, parentUrl.length - pathname.length) + output.join('');
}
}
/*
* Import maps implementation
*
* To make lookups fast we pre-resolve the entire import map
* and then match based on backtracked hash lookups
*
*/
function resolveUrl(relUrl, parentUrl) {
return resolveIfNotPlainOrUrl(relUrl, parentUrl) || (relUrl.indexOf(':') !== -1 ? relUrl : resolveIfNotPlainOrUrl('./' + relUrl, parentUrl));
}
function resolveAndComposePackages(packages, outPackages, baseUrl, parentMap, parentUrl) {
for (var p in packages) {
var resolvedLhs = resolveIfNotPlainOrUrl(p, baseUrl) || p;
var rhs = packages[p]; // package fallbacks not currently supported
if (typeof rhs !== 'string') continue;
var mapped = resolveImportMap(parentMap, resolveIfNotPlainOrUrl(rhs, baseUrl) || rhs, parentUrl);
if (!mapped) {
targetWarning('W1', p, rhs, 'bare specifier did not resolve');
} else outPackages[resolvedLhs] = mapped;
}
}
function resolveAndComposeImportMap(json, baseUrl, outMap) {
if (json.imports) resolveAndComposePackages(json.imports, outMap.imports, baseUrl, outMap, null);
var u;
for (u in json.scopes || {}) {
var resolvedScope = resolveUrl(u, baseUrl);
resolveAndComposePackages(json.scopes[u], outMap.scopes[resolvedScope] || (outMap.scopes[resolvedScope] = {}), baseUrl, outMap, resolvedScope);
}
for (u in json.depcache || {}) {
outMap.depcache[resolveUrl(u, baseUrl)] = json.depcache[u];
}
for (u in json.integrity || {}) {
outMap.integrity[resolveUrl(u, baseUrl)] = json.integrity[u];
}
}
function getMatch(path, matchObj) {
if (matchObj[path]) return path;
var sepIndex = path.length;
do {
var segment = path.slice(0, sepIndex + 1);
if (segment in matchObj) return segment;
} while ((sepIndex = path.lastIndexOf('/', sepIndex - 1)) !== -1);
}
function applyPackages(id, packages) {
var pkgName = getMatch(id, packages);
if (pkgName) {
var pkg = packages[pkgName];
if (pkg === null) return;
if (id.length > pkgName.length && pkg[pkg.length - 1] !== '/') {
targetWarning('W2', pkgName, pkg, "should have a trailing '/'");
} else return pkg + id.slice(pkgName.length);
}
}
function targetWarning(code, match, target, msg) {
console.warn(errMsg(code, "Package target " + msg + ", resolving target '" + target + "' for " + match));
}
function resolveImportMap(importMap, resolvedOrPlain, parentUrl) {
var scopes = importMap.scopes;
var scopeUrl = parentUrl && getMatch(parentUrl, scopes);
while (scopeUrl) {
var packageResolution = applyPackages(resolvedOrPlain, scopes[scopeUrl]);
if (packageResolution) return packageResolution;
scopeUrl = getMatch(scopeUrl.slice(0, scopeUrl.lastIndexOf('/')), scopes);
}
return applyPackages(resolvedOrPlain, importMap.imports) || resolvedOrPlain.indexOf(':') !== -1 && resolvedOrPlain;
}
/*
* SystemJS Core
*
* Provides
* - System.import
* - System.register support for
* live bindings, function hoisting through circular references,
* reexports, dynamic import, import.meta.url, top-level await
* - System.getRegister to get the registration
* - Symbol.toStringTag support in Module objects
* - Hookable System.createContext to customize import.meta
* - System.onload(err, id, deps) handler for tracing / hot-reloading
*
* Core comes with no System.prototype.resolve or
* System.prototype.instantiate implementations
*/
var toStringTag = hasSymbol && Symbol.toStringTag;
var REGISTRY = hasSymbol ? Symbol() : '@';
function SystemJS() {
this[REGISTRY] = {};
}
var systemJSPrototype = SystemJS.prototype;
systemJSPrototype["import"] = function (id, parentUrl) {
var loader = this;
return Promise.resolve(loader.prepareImport()).then(function () {
return loader.resolve(id, parentUrl);
}).then(function (id) {
var load = getOrCreateLoad(loader, id);
return load.C || topLevelLoad(loader, load);
});
}; // Hookable createContext function -> allowing eg custom import meta
systemJSPrototype.createContext = function (parentId) {
var loader = this;
return {
url: parentId,
resolve: function resolve(id, parentUrl) {
return Promise.resolve(loader.resolve(id, parentUrl || parentId));
}
};
}; // onLoad(err, id, deps) provided for tracing / hot-reloading
systemJSPrototype.onload = function () {};
function loadToId(load) {
return load.id;
}
function triggerOnload(loader, load, err, isErrSource) {
loader.onload(err, load.id, load.d && load.d.map(loadToId), !!isErrSource);
if (err) throw err;
}
var lastRegister;
systemJSPrototype.register = function (deps, declare) {
lastRegister = [deps, declare];
};
/*
* getRegister provides the last anonymous System.register call
*/
systemJSPrototype.getRegister = function () {
var _lastRegister = lastRegister;
lastRegister = undefined;
return _lastRegister;
};
function getOrCreateLoad(loader, id, firstParentUrl) {
var load = loader[REGISTRY][id];
if (load) return load;
var importerSetters = [];
var ns = Object.create(null);
if (toStringTag) Object.defineProperty(ns, toStringTag, {
value: 'Module'
});
var instantiatePromise = Promise.resolve().then(function () {
return loader.instantiate(id, firstParentUrl);
}).then(function (registration) {
if (!registration) throw Error(errMsg(2, 'Module ' + id + ' did not instantiate'));
function _export(name, value) {
// note if we have hoisted exports (including reexports)
load.h = true;
var changed = false;
if (typeof name === 'string') {
if (!(name in ns) || ns[name] !== value) {
ns[name] = value;
changed = true;
}
} else {
for (var p in name) {
var value = name[p];
if (!(p in ns) || ns[p] !== value) {
ns[p] = value;
changed = true;
}
}
if (name.__esModule) {
ns.__esModule = name.__esModule;
}
}
if (changed) for (var i = 0; i < importerSetters.length; i++) {
var setter = importerSetters[i];
if (setter) setter(ns);
}
return value;
}
var declared = registration[1](_export, registration[1].length === 2 ? {
"import": function _import(importId) {
return loader["import"](importId, id);
},
meta: loader.createContext(id)
} : undefined);
load.e = declared.execute || function () {};
return [registration[0], declared.setters || []];
}, function (err) {
load.e = null;
load.er = err;
triggerOnload(loader, load, err, true);
throw err;
});
var linkPromise = instantiatePromise.then(function (instantiation) {
return Promise.all(instantiation[0].map(function (dep, i) {
var setter = instantiation[1][i];
return Promise.resolve(loader.resolve(dep, id)).then(function (depId) {
var depLoad = getOrCreateLoad(loader, depId, id); // depLoad.I may be undefined for already-evaluated
return Promise.resolve(depLoad.I).then(function () {
if (setter) {
depLoad.i.push(setter); // only run early setters when there are hoisted exports of that module
// the timing works here as pending hoisted export calls will trigger through importerSetters
if (depLoad.h || !depLoad.I) setter(depLoad.n);
}
return depLoad;
});
});
})).then(function (depLoads) {
load.d = depLoads;
});
}); // Capital letter = a promise function
return load = loader[REGISTRY][id] = {
id: id,
// importerSetters, the setters functions registered to this dependency
// we retain this to add more later
i: importerSetters,
// module namespace object
n: ns,
// instantiate
I: instantiatePromise,
// link
L: linkPromise,
// whether it has hoisted exports
h: false,
// On instantiate completion we have populated:
// dependency load records
d: undefined,
// execution function
e: undefined,
// On execution we have populated:
// the execution error if any
er: undefined,
// in the case of TLA, the execution promise
E: undefined,
// On execution, L, I, E cleared
// Promise for top-level completion
C: undefined,
// parent instantiator / executor
p: undefined
};
}
function instantiateAll(loader, load, parent, loaded) {
if (!loaded[load.id]) {
loaded[load.id] = true; // load.L may be undefined for already-instantiated
return Promise.resolve(load.L).then(function () {
if (!load.p || load.p.e === null) load.p = parent;
return Promise.all(load.d.map(function (dep) {
return instantiateAll(loader, dep, parent, loaded);
}));
})["catch"](function (err) {
if (load.er) throw err;
load.e = null;
triggerOnload(loader, load, err, false);
throw err;
});
}
}
function topLevelLoad(loader, load) {
return load.C = instantiateAll(loader, load, load, {}).then(function () {
return postOrderExec(loader, load, {});
}).then(function () {
return load.n;
});
} // the closest we can get to call(undefined)
var nullContext = Object.freeze(Object.create(null)); // Equivalent to `Promise.prototype.finally`
// https://gist.github.com/developit/d970bac18430943e4b3392b029a2a96c
var promisePrototypeFinally = Promise.prototype["finally"] || function (callback) {
if (typeof callback !== 'function') {
return this.then(callback, callback);
}
var P = this.constructor || Promise;
return this.then(function (value) {
return P.resolve(callback()).then(function () {
return value;
});
}, function (err) {
return P.resolve(callback()).then(function () {
throw err;
});
});
}; // returns a promise if and only if a top-level await subgraph
// throws on sync errors
function postOrderExec(loader, load, seen) {
if (seen[load.id]) {
return load.E;
}
seen[load.id] = true;
if (!load.e) {
if (load.er) throw load.er;
if (load.E) return load.E;
return;
} // From here we're about to execute the load.
// Because the execution may be async, we pop the `load.e` first.
// So `load.e === null` always means the load has been executed or is executing.
// To inspect the state:
// - If `load.er` is truthy, the execution has threw or has been rejected;
// - otherwise, either the `load.E` is a promise, means it's under async execution, or
// - the `load.E` is null, means the load has completed the execution or has been async resolved.
var exec = load.e;
load.e = null; // deps execute first, unless circular
var depLoadPromises;
load.d.forEach(function (depLoad) {
try {
var depLoadPromise = postOrderExec(loader, depLoad, seen);
if (depLoadPromise) (depLoadPromises = depLoadPromises || []).push(depLoadPromise);
} catch (err) {
load.er = err;
triggerOnload(loader, load, err, false);
throw err;
}
});
if (depLoadPromises) return load.E = promisePrototypeFinally.call(Promise.all(depLoadPromises).then(doExec), function () {
load.E = null;
});
var execPromise = doExec();
if (execPromise) {
return load.E = promisePrototypeFinally.call(execPromise, function () {
load.E = null;
});
}
function doExec() {
try {
var execPromise = exec.call(nullContext);
if (execPromise) {
execPromise = execPromise.then(function () {
load.C = load.n;
if (!false) triggerOnload(loader, load, null, true);
}, function (err) {
load.er = err;
if (!false) triggerOnload(loader, load, err, true);
throw err;
});
return execPromise;
} // (should be a promise, but a minify optimization to leave out Promise.resolve)
load.C = load.n;
load.L = load.I = undefined;
} catch (err) {
load.er = err;
throw err;
} finally {
triggerOnload(loader, load, load.er, true);
}
}
}
envGlobal.System = new SystemJS();
/*
* SystemJS browser attachments for script and import map processing
*/
var importMapPromise = Promise.resolve();
var importMap = {
imports: {},
scopes: {},
depcache: {},
integrity: {}
}; // Scripts are processed immediately, on the first System.import, and on DOMReady.
// Import map scripts are processed only once (by being marked) and in order for each phase.
// This is to avoid using DOM mutation observers in core, although that would be an alternative.
var processFirst = hasDocument;
systemJSPrototype.prepareImport = function (doProcessScripts) {
if (processFirst || doProcessScripts) {
processScripts();
processFirst = false;
}
return importMapPromise;
};
if (hasDocument) {
processScripts();
window.addEventListener('DOMContentLoaded', processScripts);
}
function processScripts() {
[].forEach.call(document.querySelectorAll('script'), function (script) {
if (script.sp) // sp marker = systemjs processed
return; // TODO: deprecate systemjs-module in next major now that we have auto import
if (script.type === 'systemjs-module') {
script.sp = true;
if (!script.src) return;
System["import"](script.src.slice(0, 7) === 'import:' ? script.src.slice(7) : resolveUrl(script.src, baseUrl))["catch"](function (e) {
// if there is a script load error, dispatch an "error" event
// on the script tag.
if (e.message.indexOf('https://git.io/JvFET#3') > -1) {
var event = document.createEvent('Event');
event.initEvent('error', false, false);
script.dispatchEvent(event);
}
return Promise.reject(e);
});
} else if (script.type === 'systemjs-importmap') {
script.sp = true;
var fetchPromise = script.src ? fetch(script.src, {
integrity: script.integrity
}).then(function (res) {
if (!res.ok) throw Error('Invalid status code: ' + res.status);
return res.text();
})["catch"](function (err) {
err.message = errMsg('W4', 'Error fetching systemjs-import map ' + script.src) + '\n' + err.message;
console.warn(err);
return '{}';
}) : script.innerHTML;
importMapPromise = importMapPromise.then(function () {
return fetchPromise;
}).then(function (text) {
extendImportMap(importMap, text, script.src || baseUrl);
});
}
});
}
function extendImportMap(importMap, newMapText, newMapUrl) {
var newMap = {};
try {
newMap = JSON.parse(newMapText);
} catch (err) {
console.warn(Error(errMsg('W5', "systemjs-importmap contains invalid JSON") + '\n\n' + newMapText + '\n'));
}
resolveAndComposeImportMap(newMap, newMapUrl, importMap);
}
/*
* Script instantiation loading
*/
if (hasDocument) {
window.addEventListener('error', function (evt) {
lastWindowErrorUrl = evt.filename;
lastWindowError = evt.error;
});
var baseOrigin = location.origin;
}
systemJSPrototype.createScript = function (url) {
var script = document.createElement('script');
script.async = true; // Only add cross origin for actual cross origin
// this is because Safari triggers for all
// - https://bugs.webkit.org/show_bug.cgi?id=171566
if (url.indexOf(baseOrigin + '/')) script.crossOrigin = 'anonymous';
var integrity = importMap.integrity[url];
if (integrity) script.integrity = integrity;
script.src = url;
return script;
}; // Auto imports -> script tags can be inlined directly for load phase
var lastAutoImportDeps, lastAutoImportTimeout;
var autoImportCandidates = {};
var systemRegister = systemJSPrototype.register;
systemJSPrototype.register = function (deps, declare) {
if (hasDocument && document.readyState === 'loading' && typeof deps !== 'string') {
var scripts = document.querySelectorAll('script[src]');
var lastScript = scripts[scripts.length - 1];
if (lastScript) {
lastScript.src;
lastAutoImportDeps = deps; // if this is already a System load, then the instantiate has already begun
// so this re-import has no consequence
var loader = this;
lastAutoImportTimeout = setTimeout(function () {
autoImportCandidates[lastScript.src] = [deps, declare];
loader["import"](lastScript.src);
});
}
} else {
lastAutoImportDeps = undefined;
}
return systemRegister.call(this, deps, declare);
};
var lastWindowErrorUrl, lastWindowError;
systemJSPrototype.instantiate = function (url, firstParentUrl) {
var autoImportRegistration = autoImportCandidates[url];
if (autoImportRegistration) {
delete autoImportCandidates[url];
return autoImportRegistration;
}
var loader = this;
return new Promise(function (resolve, reject) {
var script = systemJSPrototype.createScript(url);
script.addEventListener('error', function () {
reject(Error(errMsg(3, 'Error loading ' + url + (firstParentUrl ? ' from ' + firstParentUrl : ''))));
});
script.addEventListener('load', function () {
document.head.removeChild(script); // Note that if an error occurs that isn't caught by this if statement,
// that getRegister will return null and a "did not instantiate" error will be thrown.
if (lastWindowErrorUrl === url) {
reject(lastWindowError);
} else {
var register = loader.getRegister(); // Clear any auto import registration for dynamic import scripts during load
if (register && register[0] === lastAutoImportDeps) clearTimeout(lastAutoImportTimeout);
resolve(register);
}
});
document.head.appendChild(script);
});
};
/*
* Fetch loader, sets up shouldFetch and fetch hooks
*/
systemJSPrototype.shouldFetch = function () {
return false;
};
if (typeof fetch !== 'undefined') systemJSPrototype.fetch = fetch;
var instantiate = systemJSPrototype.instantiate;
var jsContentTypeRegEx = /^(text|application)\/(x-)?javascript(;|$)/;
systemJSPrototype.instantiate = function (url, parent) {
var loader = this;
if (!this.shouldFetch(url)) return instantiate.apply(this, arguments);
return this.fetch(url, {
credentials: 'same-origin',
integrity: importMap.integrity[url]
}).then(function (res) {
if (!res.ok) throw Error(errMsg(7, res.status + ' ' + res.statusText + ', loading ' + url + (parent ? ' from ' + parent : '')));
var contentType = res.headers.get('content-type');
if (!contentType || !jsContentTypeRegEx.test(contentType)) throw Error(errMsg(4, 'Unknown Content-Type "' + contentType + '", loading ' + url + (parent ? ' from ' + parent : '')));
return res.text().then(function (source) {
if (source.indexOf('//# sourceURL=') < 0) source += '\n//# sourceURL=' + url;
(0, eval)(source);
return loader.getRegister();
});
});
};
systemJSPrototype.resolve = function (id, parentUrl) {
parentUrl = parentUrl || !true || baseUrl;
return resolveImportMap(importMap, resolveIfNotPlainOrUrl(id, parentUrl) || id, parentUrl) || throwUnresolved(id, parentUrl);
};
function throwUnresolved(id, parentUrl) {
throw Error(errMsg(8, "Unable to resolve bare specifier '" + id + (parentUrl ? "' from " + parentUrl : "'")));
}
var systemInstantiate = systemJSPrototype.instantiate;
systemJSPrototype.instantiate = function (url, firstParentUrl) {
var preloads = importMap.depcache[url];
if (preloads) {
for (var i = 0; i < preloads.length; i++) {
getOrCreateLoad(this, this.resolve(preloads[i], url), url);
}
}
return systemInstantiate.call(this, url, firstParentUrl);
};
/*
* Supports loading System.register in workers
*/
if (hasSelf && typeof importScripts === 'function') systemJSPrototype.instantiate = function (url) {
var loader = this;
return Promise.resolve().then(function () {
importScripts(url);
return loader.getRegister();
});
};
/*
* SystemJS global script loading support
* Extra for the s.js build only
* (Included by default in system.js build)
*/
(function (global) {
var systemJSPrototype = global.System.constructor.prototype; // safari unpredictably lists some new globals first or second in object order
var firstGlobalProp, secondGlobalProp, lastGlobalProp;
function getGlobalProp(useFirstGlobalProp) {
var cnt = 0;
var foundLastProp, result;
for (var p in global) {
// do not check frames cause it could be removed during import
if (shouldSkipProperty(p)) continue;
if (cnt === 0 && p !== firstGlobalProp || cnt === 1 && p !== secondGlobalProp) return p;
if (foundLastProp) {
lastGlobalProp = p;
result = useFirstGlobalProp && result || p;
} else {
foundLastProp = p === lastGlobalProp;
}
cnt++;
}
return result;
}
function noteGlobalProps() {
// alternatively Object.keys(global).pop()
// but this may be faster (pending benchmarks)
firstGlobalProp = secondGlobalProp = undefined;
for (var p in global) {
// do not check frames cause it could be removed during import
if (shouldSkipProperty(p)) continue;
if (!firstGlobalProp) firstGlobalProp = p;else if (!secondGlobalProp) secondGlobalProp = p;
lastGlobalProp = p;
}
return lastGlobalProp;
}
var impt = systemJSPrototype["import"];
systemJSPrototype["import"] = function (id, parentUrl) {
noteGlobalProps();
return impt.call(this, id, parentUrl);
};
var emptyInstantiation = [[], function () {
return {};
}];
var getRegister = systemJSPrototype.getRegister;
systemJSPrototype.getRegister = function () {
var lastRegister = getRegister.call(this);
if (lastRegister) return lastRegister; // no registration -> attempt a global detection as difference from snapshot
// when multiple globals, we take the global value to be the last defined new global object property
// for performance, this will not support multi-version / global collisions as previous SystemJS versions did
// note in Edge, deleting and re-adding a global does not change its ordering
var globalProp = getGlobalProp(this.firstGlobalProp);
if (!globalProp) return emptyInstantiation;
var globalExport;
try {
globalExport = global[globalProp];
} catch (e) {
return emptyInstantiation;
}
return [[], function (_export) {
return {
execute: function execute() {
_export(globalExport);
_export({
"default": globalExport,
__useDefault: true
});
}
};
}];
};
var isIE11 = typeof navigator !== 'undefined' && navigator.userAgent.indexOf('Trident') !== -1;
function shouldSkipProperty(p) {
return !global.hasOwnProperty(p) || !isNaN(p) && p < global.length || isIE11 && global[p] && typeof window !== 'undefined' && global[p].parent === window;
}
})(typeof self !== 'undefined' ? self : global);
/*
* Loads JSON, CSS, Wasm module types based on file extension
* filters and content type verifications
*/
(function (global) {
var systemJSPrototype = global.System.constructor.prototype;
var moduleTypesRegEx = /^[^#?]+\.(css|html|json|wasm)([?#].*)?$/;
systemJSPrototype.shouldFetch = function (url) {
return moduleTypesRegEx.test(url);
};
var jsonContentType = /^application\/json(;|$)/;
var cssContentType = /^text\/css(;|$)/;
var wasmContentType = /^application\/wasm(;|$)/;
var fetch = systemJSPrototype.fetch;
systemJSPrototype.fetch = function (url, options) {
return fetch(url, options).then(function (res) {
if (!res.ok) return res;
var contentType = res.headers.get('content-type');
if (jsonContentType.test(contentType)) return res.json().then(function (json) {
return new Response(new Blob(['System.register([],function(e){return{execute:function(){e("default",' + JSON.stringify(json) + ')}}})'], {
type: 'application/javascript'
}));
});
if (cssContentType.test(contentType)) return res.text().then(function (source) {
return new Response(new Blob(['System.register([],function(e){return{execute:function(){var s=new CSSStyleSheet();s.replaceSync(' + JSON.stringify(source) + ');e("default",s)}}})'], {
type: 'application/javascript'
}));
});
if (wasmContentType.test(contentType)) return (WebAssembly.compileStreaming ? WebAssembly.compileStreaming(res) : res.arrayBuffer().then(WebAssembly.compile)).then(function (module) {
if (!global.System.wasmModules) global.System.wasmModules = Object.create(null);
global.System.wasmModules[url] = module; // we can only set imports if supported (eg early Safari doesnt support)
var deps = [];
var setterSources = [];
if (WebAssembly.Module.imports) WebAssembly.Module.imports(module).forEach(function (impt) {
var key = JSON.stringify(impt.module);
if (deps.indexOf(key) === -1) {
deps.push(key);
setterSources.push('function(m){i[' + key + ']=m}');
}
});
return new Response(new Blob(['System.register([' + deps.join(',') + '],function(e){var i={};return{setters:[' + setterSources.join(',') + '],execute:function(){return WebAssembly.instantiate(System.wasmModules[' + JSON.stringify(url) + '],i).then(function(m){e(m.exports)})}}})'], {
type: 'application/javascript'
}));
});
return res;
});
};
})(typeof self !== 'undefined' ? self : global);
var toStringTag$1 = typeof Symbol !== 'undefined' && Symbol.toStringTag;
systemJSPrototype.get = function (id) {
var load = this[REGISTRY][id];
if (load && load.e === null && !load.E) {
if (load.er) return null;
return load.n;
}
};
systemJSPrototype.set = function (id, module) {
{
try {
// No page-relative URLs allowed
new URL(id);
} catch (err) {
console.warn(Error(errMsg('W3', '"' + id + '" is not a valid URL to set in the module registry')));
}
}
var ns;
if (toStringTag$1 && module[toStringTag$1] === 'Module') {
ns = module;
} else {
ns = Object.assign(Object.create(null), module);
if (toStringTag$1) Object.defineProperty(ns, toStringTag$1, {
value: 'Module'
});
}
var done = Promise.resolve(ns);
var load = this[REGISTRY][id] || (this[REGISTRY][id] = {
id: id,
i: [],
h: false,
d: [],
e: null,
er: undefined,
E: undefined
});
if (load.e || load.E) return false;
Object.assign(load, {
n: ns,
I: undefined,
L: undefined,
C: done
});
return ns;
};
systemJSPrototype.has = function (id) {
var load = this[REGISTRY][id];
return !!load;
}; // Delete function provided for hot-reloading use cases
systemJSPrototype["delete"] = function (id) {
var registry = this[REGISTRY];
var load = registry[id]; // in future we can support load.E case by failing load first
// but that will require TLA callbacks to be implemented
if (!load || load.p && load.p.e !== null || load.E) return false;
var importerSetters = load.i; // remove from importerSetters
// (release for gc)
if (load.d) load.d.forEach(function (depLoad) {
var importerIndex = depLoad.i.indexOf(load);
if (importerIndex !== -1) depLoad.i.splice(importerIndex, 1);
});
delete registry[id];
return function () {
var load = registry[id];
if (!load || !importerSetters || load.e !== null || load.E) return false; // add back the old setters
importerSetters.forEach(function (setter) {
load.i.push(setter);
setter(load.n);
});
importerSetters = null;
};
};
var iterator = typeof Symbol !== 'undefined' && Symbol.iterator;
systemJSPrototype.entries = function () {
var loader = this,
keys = Object.keys(loader[REGISTRY]);
var index = 0,
ns,
key;
var result = {
next: function next() {
while ((key = keys[index++]) !== undefined && (ns = loader.get(key)) === undefined) {
;
}
return {
done: key === undefined,
value: key !== undefined && [key, ns]
};
}
};
result[iterator] = function () {
return this;
};
return result;
};
/*
* SystemJS named register extension
* Supports System.register('name', [..deps..], function (_export, _context) { ... })
*
* Names are written to the registry as-is
* System.register('x', ...) can be imported as System.import('x')
*/
(function (global) {
var System = global.System;
setRegisterRegistry(System);
var systemJSPrototype = System.constructor.prototype;
var constructor = System.constructor;
var SystemJS = function SystemJS() {
constructor.call(this);
setRegisterRegistry(this);
};
SystemJS.prototype = systemJSPrototype;
System.constructor = SystemJS;
var firstNamedDefine;
function setRegisterRegistry(systemInstance) {
systemInstance.registerRegistry = Object.create(null);
}
var register = systemJSPrototype.register;
systemJSPrototype.register = function (name, deps, declare) {
if (typeof name !== 'string') return register.apply(this, arguments);
var define = [deps, declare];
this.registerRegistry[name] = define;
if (!firstNamedDefine) {
firstNamedDefine = define;
Promise.resolve().then(function () {
firstNamedDefine = null;
});
}
return register.apply(this, arguments);
};
var resolve = systemJSPrototype.resolve;
systemJSPrototype.resolve = function (id, parentURL) {
try {
// Prefer import map (or other existing) resolution over the registerRegistry
return resolve.call(this, id, parentURL);
} catch (err) {
if (id in this.registerRegistry) {
return id;
}
throw err;
}
};
var instantiate = systemJSPrototype.instantiate;
systemJSPrototype.instantiate = function (url, firstParentUrl) {
var result = this.registerRegistry[url];
if (result) {
this.registerRegistry[url] = null;
return result;
} else {
return instantiate.call(this, url, firstParentUrl);
}
};
var getRegister = systemJSPrototype.getRegister;
systemJSPrototype.getRegister = function () {
// Calling getRegister() because other extras need to know it was called so they can perform side effects
var register = getRegister.call(this);
var result = firstNamedDefine || register;
firstNamedDefine = null;
return result;
};
})(typeof self !== 'undefined' ? self : global);
var backslashRegEx$1 = /\\/g;
function resolveIfNotPlainOrUrl$1(relUrl, parentUrl) {
if (relUrl.indexOf('\\') !== -1) relUrl = relUrl.replace(backslashRegEx$1, '/'); // protocol-relative
if (relUrl[0] === '/' && relUrl[1] === '/') {
return parentUrl.slice(0, parentUrl.indexOf(':') + 1) + relUrl;
} // relative-url
else if (relUrl[0] === '.' && (relUrl[1] === '/' || relUrl[1] === '.' && (relUrl[2] === '/' || relUrl.length === 2 && (relUrl += '/')) || relUrl.length === 1 && (relUrl += '/')) || relUrl[0] === '/') {
var parentProtocol = parentUrl.slice(0, parentUrl.indexOf(':') + 1); // Disabled, but these cases will give inconsistent results for deep backtracking
//if (parentUrl[parentProtocol.length] !== '/')
// throw Error('Cannot resolve');
// read pathname from parent URL
// pathname taken to be part after leading "/"
var pathname;
if (parentUrl[parentProtocol.length + 1] === '/') {
// resolving to a :// so we need to read out the auth and host
if (parentProtocol !== 'file:') {
pathname = parentUrl.slice(parentProtocol.length + 2);
pathname = pathname.slice(pathname.indexOf('/') + 1);
} else {
pathname = parentUrl.slice(8);
}
} else {
// resolving to :/ so pathname is the /... part
pathname = parentUrl.slice(parentProtocol.length + (parentUrl[parentProtocol.length] === '/'));
}
if (relUrl[0] === '/') return parentUrl.slice(0, parentUrl.length - pathname.length - 1) + relUrl; // join together and split for removal of .. and . segments
// looping the string instead of anything fancy for perf reasons
// '../../../../../z' resolved to 'x/y' is just 'z'
var segmented = pathname.slice(0, pathname.lastIndexOf('/') + 1) + relUrl;
var output = [];
var segmentIndex = -1;
for (var i = 0; i < segmented.length; i++) {
// busy reading a segment - only terminate on '/'
if (segmentIndex !== -1) {
if (segmented[i] === '/') {
output.push(segmented.slice(segmentIndex, i + 1));
segmentIndex = -1;
}
} // new segment - check if it is relative
else if (segmented[i] === '.') {
// ../ segment
if (segmented[i + 1] === '.' && (segmented[i + 2] === '/' || i + 2 === segmented.length)) {
output.pop();
i += 2;
} // ./ segment
else if (segmented[i + 1] === '/' || i + 1 === segmented.length) {
i += 1;
} else {
// the start of a new segment as below
segmentIndex = i;
}
} // it is the start of a new segment
else {
segmentIndex = i;
}
} // finish reading out the last segment
if (segmentIndex !== -1) output.push(segmented.slice(segmentIndex));
return parentUrl.slice(0, parentUrl.length - pathname.length) + output.join('');
}
}
/**
* @type {import('../lib/resolution-detail-map').ResolutionDetailMap}
*/
var resolutionDetailMap = {};
function createDetailResolver(logger, rejector) {
var _logger, _rejector;
(_logger = logger) !== null && _logger !== void 0 ? _logger : logger = function logger(message) {
var log;
switch (message.level) {
default:
case 'log':
log = console.log;
break;
case 'warn':
log = console.warn;
break;
case 'error':
log = console.error;
break;
}
log.call(console, message.text);
};
(_rejector = rejector) !== null && _rejector !== void 0 ? _rejector : rejector = function rejector(text) {
throw new Error(text);
};
return function resolve(specifier, importer) {
var _resolutionDetailMap$;
var detail = (_resolutionDetailMap$ = resolutionDetailMap[importer]) === null || _resolutionDetailMap$ === void 0 ? void 0 : _resolutionDetailMap$[specifier];
if (!detail) {
return;
}
var error = detail.error,
messages = detail.messages;
if (messages) {
var _iterator = _createForOfIteratorHelper(messages),
_step;
try {
for (_iterator.s(); !(_step = _iterator.n()).done;) {
var message = _step.value;
logger(message);
}
} catch (err) {
_iterator.e(err);
} finally {
_iterator.f();
}
}
if (error) {
rejector(error);
}
};
}
function setResolutionDetailMap(map, mapUrl) {
resolutionDetailMap = {};
for (var _i = 0, _Object$entries = Object.entries(map); _i < _Object$entries.length; _i++) {
var _Object$entries$_i = _slicedToArray(_Object$entries[_i], 2),
moduleUrl = _Object$entries$_i[0],
_ = _Object$entries$_i[1];
var normalized = resolveIfNotPlainOrUrl$1(moduleUrl, mapUrl);
resolutionDetailMap[normalized] = _;
}
}
var resolve = createDetailResolver();
var vendorResolve = systemJSPrototype.resolve;
systemJSPrototype.resolve = function (specifier, importer) {
void resolve(specifier, importer);
return vendorResolve.apply(this, arguments);
};
var setResolutionDetailMapCallbackTag = Symbol("[[setResolutionDetailMapCallback]]");
systemJSPrototype.setResolutionDetailMapCallback = function (e) {
this[setResolutionDetailMapCallbackTag] = e;
};
var setupResolutionDetailMapPromise = null;
var vendorPrepareImport = systemJSPrototype.prepareImport;
systemJSPrototype.prepareImport = /*#__PURE__*/_asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee3() {
var _this = this;
var _args3 = arguments;
return regeneratorRuntime.wrap(function _callee3$(_context3) {
while (1) {
switch (_context3.prev = _context3.next) {
case 0:
setupResolutionDetailMapPromise || (setupResolutionDetailMapPromise = _asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee2() {
return regeneratorRuntime.wrap(function _callee2$(_context2) {
while (1) {
switch (_context2.prev = _context2.next) {
case 0:
_context2.prev = 0;
_context2.next = 3;
return _asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee() {
var _yield$_this$setResol, e, t;
return regeneratorRuntime.wrap(function _callee$(_context) {
while (1) {
switch (_context.prev = _context.next) {
case 0:
_context.next = 2;
return _this[setResolutionDetailMapCallbackTag]();
case 2:
_yield$_this$setResol = _context.sent;
e = _yield$_this$setResol.json;
t = _yield$_this$setResol.url;
setResolutionDetailMap(e, t);
case 6:
case "end":
return _context.stop();
}
}
}, _callee);
}))();
case 3:
_context2.next = 8;
break;
case 5:
_context2.prev = 5;
_context2.t0 = _context2["catch"](0);
console.debug("Failed to load resolution detail map: ".concat(_context2.t0));
case 8:
case "end":
return _context2.stop();
}
}
}, _callee2, null, [[0, 5]]);
}))());
_context3.next = 3;
return setupResolutionDetailMapPromise;
case 3:
vendorPrepareImport.apply(this, _args3);
case 4:
case "end":
return _context3.stop();
}
}
}, _callee3, this);
}));
})();