WordPress/wp-includes/js/dist/vendor/wp-polyfill-importmap.js

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/* ES Module Shims Wasm 1.8.2 */
(function () {
const hasWindow = typeof window !== 'undefined';
const hasDocument = typeof document !== 'undefined';
const noop = () => {};
const optionsScript = hasDocument ? document.querySelector('script[type=esms-options]') : undefined;
const esmsInitOptions = optionsScript ? JSON.parse(optionsScript.innerHTML) : {};
Object.assign(esmsInitOptions, self.esmsInitOptions || {});
let shimMode = hasDocument ? !!esmsInitOptions.shimMode : true;
const importHook = globalHook(shimMode && esmsInitOptions.onimport);
const resolveHook = globalHook(shimMode && esmsInitOptions.resolve);
let fetchHook = esmsInitOptions.fetch ? globalHook(esmsInitOptions.fetch) : fetch;
const metaHook = esmsInitOptions.meta ? globalHook(shimMode && esmsInitOptions.meta) : noop;
const mapOverrides = esmsInitOptions.mapOverrides;
let nonce = esmsInitOptions.nonce;
if (!nonce && hasDocument) {
const nonceElement = document.querySelector('script[nonce]');
if (nonceElement)
nonce = nonceElement.nonce || nonceElement.getAttribute('nonce');
}
const onerror = globalHook(esmsInitOptions.onerror || noop);
const onpolyfill = esmsInitOptions.onpolyfill ? globalHook(esmsInitOptions.onpolyfill) : () => {
console.log('%c^^ Module TypeError above is polyfilled and can be ignored ^^', 'font-weight:900;color:#391');
};
const { revokeBlobURLs, noLoadEventRetriggers, enforceIntegrity } = esmsInitOptions;
function globalHook (name) {
return typeof name === 'string' ? self[name] : name;
}
const enable = Array.isArray(esmsInitOptions.polyfillEnable) ? esmsInitOptions.polyfillEnable : [];
const cssModulesEnabled = enable.includes('css-modules');
const jsonModulesEnabled = enable.includes('json-modules');
const edge = !navigator.userAgentData && !!navigator.userAgent.match(/Edge\/\d+\.\d+/);
const baseUrl = hasDocument
? document.baseURI
: `${location.protocol}//${location.host}${location.pathname.includes('/')
? location.pathname.slice(0, location.pathname.lastIndexOf('/') + 1)
: location.pathname}`;
const createBlob = (source, type = 'text/javascript') => URL.createObjectURL(new Blob([source], { type }));
let { skip } = esmsInitOptions;
if (Array.isArray(skip)) {
const l = skip.map(s => new URL(s, baseUrl).href);
skip = s => l.some(i => i[i.length - 1] === '/' && s.startsWith(i) || s === i);
}
else if (typeof skip === 'string') {
const r = new RegExp(skip);
skip = s => r.test(s);
} else if (skip instanceof RegExp) {
skip = s => skip.test(s);
}
const eoop = err => setTimeout(() => { throw err });
const throwError = err => { (self.reportError || hasWindow && window.safari && console.error || eoop)(err), void onerror(err); };
function fromParent (parent) {
return parent ? ` imported from ${parent}` : '';
}
let importMapSrcOrLazy = false;
function setImportMapSrcOrLazy () {
importMapSrcOrLazy = true;
}
// shim mode is determined on initialization, no late shim mode
if (!shimMode) {
if (document.querySelectorAll('script[type=module-shim],script[type=importmap-shim],link[rel=modulepreload-shim]').length) {
shimMode = true;
}
else {
let seenScript = false;
for (const script of document.querySelectorAll('script[type=module],script[type=importmap]')) {
if (!seenScript) {
if (script.type === 'module' && !script.ep)
seenScript = true;
}
else if (script.type === 'importmap' && seenScript) {
importMapSrcOrLazy = true;
break;
}
}
}
}
const backslashRegEx = /\\/g;
function asURL (url) {
try {
if (url.indexOf(':') !== -1)
return new URL(url).href;
}
catch (_) {}
}
function resolveUrl (relUrl, parentUrl) {
return resolveIfNotPlainOrUrl(relUrl, parentUrl) || (asURL(relUrl) || resolveIfNotPlainOrUrl('./' + relUrl, parentUrl));
}
function resolveIfNotPlainOrUrl (relUrl, parentUrl) {
const hIdx = parentUrl.indexOf('#'), qIdx = parentUrl.indexOf('?');
if (hIdx + qIdx > -2)
parentUrl = parentUrl.slice(0, hIdx === -1 ? qIdx : qIdx === -1 || qIdx > hIdx ? hIdx : qIdx);
if (relUrl.indexOf('\\') !== -1)
relUrl = relUrl.replace(backslashRegEx, '/');
// protocol-relative
if (relUrl[0] === '/' && relUrl[1] === '/') {
return parentUrl.slice(0, parentUrl.indexOf(':') + 1) + relUrl;
}
// relative-url
else if (relUrl[0] === '.' && (relUrl[1] === '/' || relUrl[1] === '.' && (relUrl[2] === '/' || relUrl.length === 2 && (relUrl += '/')) ||
relUrl.length === 1 && (relUrl += '/')) ||
relUrl[0] === '/') {
const parentProtocol = parentUrl.slice(0, parentUrl.indexOf(':') + 1);
if (parentProtocol === 'blob:') {
throw new TypeError(`Failed to resolve module specifier "${relUrl}". Invalid relative url or base scheme isn't hierarchical.`);
}
// Disabled, but these cases will give inconsistent results for deep backtracking
//if (parentUrl[parentProtocol.length] !== '/')
// throw new Error('Cannot resolve');
// read pathname from parent URL
// pathname taken to be part after leading "/"
let 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'
const segmented = pathname.slice(0, pathname.lastIndexOf('/') + 1) + relUrl;
const output = [];
let segmentIndex = -1;
for (let 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;
}
continue;
}
// 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;
continue;
}
// ./ segment
else if (segmented[i + 1] === '/' || i + 1 === segmented.length) {
i += 1;
continue;
}
}
// it is the start of a new segment
while (segmented[i] === '/') i++;
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('');
}
}
function resolveAndComposeImportMap (json, baseUrl, parentMap) {
const outMap = { imports: Object.assign({}, parentMap.imports), scopes: Object.assign({}, parentMap.scopes) };
if (json.imports)
resolveAndComposePackages(json.imports, outMap.imports, baseUrl, parentMap);
if (json.scopes)
for (let s in json.scopes) {
const resolvedScope = resolveUrl(s, baseUrl);
resolveAndComposePackages(json.scopes[s], outMap.scopes[resolvedScope] || (outMap.scopes[resolvedScope] = {}), baseUrl, parentMap);
}
return outMap;
}
function getMatch (path, matchObj) {
if (matchObj[path])
return path;
let sepIndex = path.length;
do {
const segment = path.slice(0, sepIndex + 1);
if (segment in matchObj)
return segment;
} while ((sepIndex = path.lastIndexOf('/', sepIndex - 1)) !== -1)
}
function applyPackages (id, packages) {
const pkgName = getMatch(id, packages);
if (pkgName) {
const pkg = packages[pkgName];
if (pkg === null) return;
return pkg + id.slice(pkgName.length);
}
}
function resolveImportMap (importMap, resolvedOrPlain, parentUrl) {
let scopeUrl = parentUrl && getMatch(parentUrl, importMap.scopes);
while (scopeUrl) {
const packageResolution = applyPackages(resolvedOrPlain, importMap.scopes[scopeUrl]);
if (packageResolution)
return packageResolution;
scopeUrl = getMatch(scopeUrl.slice(0, scopeUrl.lastIndexOf('/')), importMap.scopes);
}
return applyPackages(resolvedOrPlain, importMap.imports) || resolvedOrPlain.indexOf(':') !== -1 && resolvedOrPlain;
}
function resolveAndComposePackages (packages, outPackages, baseUrl, parentMap) {
for (let p in packages) {
const resolvedLhs = resolveIfNotPlainOrUrl(p, baseUrl) || p;
if ((!shimMode || !mapOverrides) && outPackages[resolvedLhs] && (outPackages[resolvedLhs] !== packages[resolvedLhs])) {
throw Error(`Rejected map override "${resolvedLhs}" from ${outPackages[resolvedLhs]} to ${packages[resolvedLhs]}.`);
}
let target = packages[p];
if (typeof target !== 'string')
continue;
const mapped = resolveImportMap(parentMap, resolveIfNotPlainOrUrl(target, baseUrl) || target, baseUrl);
if (mapped) {
outPackages[resolvedLhs] = mapped;
continue;
}
console.warn(`Mapping "${p}" -> "${packages[p]}" does not resolve`);
}
}
let dynamicImport = !hasDocument && (0, eval)('u=>import(u)');
let supportsDynamicImport;
const dynamicImportCheck = hasDocument && new Promise(resolve => {
const s = Object.assign(document.createElement('script'), {
src: createBlob('self._d=u=>import(u)'),
ep: true
});
s.setAttribute('nonce', nonce);
s.addEventListener('load', () => {
if (!(supportsDynamicImport = !!(dynamicImport = self._d))) {
let err;
window.addEventListener('error', _err => err = _err);
dynamicImport = (url, opts) => new Promise((resolve, reject) => {
const s = Object.assign(document.createElement('script'), {
type: 'module',
src: createBlob(`import*as m from'${url}';self._esmsi=m`)
});
err = undefined;
s.ep = true;
if (nonce)
s.setAttribute('nonce', nonce);
// Safari is unique in supporting module script error events
s.addEventListener('error', cb);
s.addEventListener('load', cb);
function cb (_err) {
document.head.removeChild(s);
if (self._esmsi) {
resolve(self._esmsi, baseUrl);
self._esmsi = undefined;
}
else {
reject(!(_err instanceof Event) && _err || err && err.error || new Error(`Error loading ${opts && opts.errUrl || url} (${s.src}).`));
err = undefined;
}
}
document.head.appendChild(s);
});
}
document.head.removeChild(s);
delete self._d;
resolve();
});
document.head.appendChild(s);
});
// support browsers without dynamic import support (eg Firefox 6x)
let supportsJsonAssertions = false;
let supportsCssAssertions = false;
const supports = hasDocument && HTMLScriptElement.supports;
let supportsImportMaps = supports && supports.name === 'supports' && supports('importmap');
let supportsImportMeta = supportsDynamicImport;
const importMetaCheck = 'import.meta';
const cssModulesCheck = `import"x"assert{type:"css"}`;
const jsonModulesCheck = `import"x"assert{type:"json"}`;
let featureDetectionPromise = Promise.resolve(dynamicImportCheck).then(() => {
if (!supportsDynamicImport)
return;
if (!hasDocument)
return Promise.all([
supportsImportMaps || dynamicImport(createBlob(importMetaCheck)).then(() => supportsImportMeta = true, noop),
cssModulesEnabled && dynamicImport(createBlob(cssModulesCheck.replace('x', createBlob('', 'text/css')))).then(() => supportsCssAssertions = true, noop),
jsonModulesEnabled && dynamicImport(createBlob(jsonModulescheck.replace('x', createBlob('{}', 'text/json')))).then(() => supportsJsonAssertions = true, noop),
]);
return new Promise(resolve => {
const iframe = document.createElement('iframe');
iframe.style.display = 'none';
iframe.setAttribute('nonce', nonce);
function cb ({ data }) {
const isFeatureDetectionMessage = Array.isArray(data) && data[0] === 'esms';
if (!isFeatureDetectionMessage) {
return;
}
supportsImportMaps = data[1];
supportsImportMeta = data[2];
supportsCssAssertions = data[3];
supportsJsonAssertions = data[4];
resolve();
document.head.removeChild(iframe);
window.removeEventListener('message', cb, false);
}
window.addEventListener('message', cb, false);
const importMapTest = `<script nonce=${nonce || ''}>b=(s,type='text/javascript')=>URL.createObjectURL(new Blob([s],{type}));document.head.appendChild(Object.assign(document.createElement('script'),{type:'importmap',nonce:"${nonce}",innerText:\`{"imports":{"x":"\${b('')}"}}\`}));Promise.all([${
supportsImportMaps ? 'true,true' : `'x',b('${importMetaCheck}')`}, ${cssModulesEnabled ? `b('${cssModulesCheck}'.replace('x',b('','text/css')))` : 'false'}, ${
jsonModulesEnabled ? `b('${jsonModulesCheck}'.replace('x',b('{}','text/json')))` : 'false'}].map(x =>typeof x==='string'?import(x).then(x =>!!x,()=>false):x)).then(a=>parent.postMessage(['esms'].concat(a),'*'))<${''}/script>`;
// Safari will call onload eagerly on head injection, but we don't want the Wechat
// path to trigger before setting srcdoc, therefore we track the timing
let readyForOnload = false, onloadCalledWhileNotReady = false;
function doOnload () {
if (!readyForOnload) {
onloadCalledWhileNotReady = true;
return;
}
// WeChat browser doesn't support setting srcdoc scripts
// But iframe sandboxes don't support contentDocument so we do this as a fallback
const doc = iframe.contentDocument;
if (doc && doc.head.childNodes.length === 0) {
const s = doc.createElement('script');
if (nonce)
s.setAttribute('nonce', nonce);
s.innerHTML = importMapTest.slice(15 + (nonce ? nonce.length : 0), -9);
doc.head.appendChild(s);
}
}
iframe.onload = doOnload;
// WeChat browser requires append before setting srcdoc
document.head.appendChild(iframe);
// setting srcdoc is not supported in React native webviews on iOS
// setting src to a blob URL results in a navigation event in webviews
// document.write gives usability warnings
readyForOnload = true;
if ('srcdoc' in iframe)
iframe.srcdoc = importMapTest;
else
iframe.contentDocument.write(importMapTest);
// retrigger onload for Safari only if necessary
if (onloadCalledWhileNotReady) doOnload();
});
});
/* es-module-lexer 1.4.1 */
const A=1===new Uint8Array(new Uint16Array([1]).buffer)[0];function parse(E,g="@"){if(!C)return init.then((()=>parse(E)));const I=E.length+1,k=(C.__heap_base.value||C.__heap_base)+4*I-C.memory.buffer.byteLength;k>0&&C.memory.grow(Math.ceil(k/65536));const K=C.sa(I-1);if((A?B:Q)(E,new Uint16Array(C.memory.buffer,K,I)),!C.parse())throw Object.assign(new Error(`Parse error ${g}:${E.slice(0,C.e()).split("\n").length}:${C.e()-E.lastIndexOf("\n",C.e()-1)}`),{idx:C.e()});const o=[],D=[];for(;C.ri();){const A=C.is(),Q=C.ie(),B=C.ai(),g=C.id(),I=C.ss(),k=C.se();let K;C.ip()&&(K=w(E.slice(-1===g?A-1:A,-1===g?Q+1:Q))),o.push({n:K,s:A,e:Q,ss:I,se:k,d:g,a:B});}for(;C.re();){const A=C.es(),Q=C.ee(),B=C.els(),g=C.ele(),I=E.slice(A,Q),k=I[0],K=B<0?void 0:E.slice(B,g),o=K?K[0]:"";D.push({s:A,e:Q,ls:B,le:g,n:'"'===k||"'"===k?w(I):I,ln:'"'===o||"'"===o?w(K):K});}function w(A){try{return (0,eval)(A)}catch(A){}}return [o,D,!!C.f(),!!C.ms()]}function Q(A,Q){const B=A.length;let C=0;for(;C<B;){const B=A.charCodeAt(C);Q[C++]=(255&B)<<8|B>>>8;}}function B(A,Q){const B=A.length;let C=0;for(;C<B;)Q[C]=A.charCodeAt(C++);}let C;const init=WebAssembly.compile((E="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
async function _resolve (id, parentUrl) {
const urlResolved = resolveIfNotPlainOrUrl(id, parentUrl) || asURL(id);
return {
r: resolveImportMap(importMap, urlResolved || id, parentUrl) || throwUnresolved(id, parentUrl),
// b = bare specifier
b: !urlResolved && !asURL(id)
};
}
const resolve = resolveHook ? async (id, parentUrl) => {
let result = resolveHook(id, parentUrl, defaultResolve);
// will be deprecated in next major
if (result && result.then)
result = await result;
return result ? { r: result, b: !resolveIfNotPlainOrUrl(id, parentUrl) && !asURL(id) } : _resolve(id, parentUrl);
} : _resolve;
// importShim('mod');
// importShim('mod', { opts });
// importShim('mod', { opts }, parentUrl);
// importShim('mod', parentUrl);
async function importShim (id, ...args) {
// parentUrl if present will be the last argument
let parentUrl = args[args.length - 1];
if (typeof parentUrl !== 'string')
parentUrl = baseUrl;
// needed for shim check
await initPromise;
if (importHook) await importHook(id, typeof args[1] !== 'string' ? args[1] : {}, parentUrl);
if (acceptingImportMaps || shimMode || !baselinePassthrough) {
if (hasDocument)
processScriptsAndPreloads(true);
if (!shimMode)
acceptingImportMaps = false;
}
await importMapPromise;
return topLevelLoad((await resolve(id, parentUrl)).r, { credentials: 'same-origin' });
}
self.importShim = importShim;
function defaultResolve (id, parentUrl) {
return resolveImportMap(importMap, resolveIfNotPlainOrUrl(id, parentUrl) || id, parentUrl) || throwUnresolved(id, parentUrl);
}
function throwUnresolved (id, parentUrl) {
throw Error(`Unable to resolve specifier '${id}'${fromParent(parentUrl)}`);
}
const resolveSync = (id, parentUrl = baseUrl) => {
parentUrl = `${parentUrl}`;
const result = resolveHook && resolveHook(id, parentUrl, defaultResolve);
return result && !result.then ? result : defaultResolve(id, parentUrl);
};
function metaResolve (id, parentUrl = this.url) {
return resolveSync(id, parentUrl);
}
importShim.resolve = resolveSync;
importShim.getImportMap = () => JSON.parse(JSON.stringify(importMap));
importShim.addImportMap = importMapIn => {
if (!shimMode) throw new Error('Unsupported in polyfill mode.');
importMap = resolveAndComposeImportMap(importMapIn, baseUrl, importMap);
};
const registry = importShim._r = {};
importShim._w = {};
async function loadAll (load, seen) {
if (load.b || seen[load.u])
return;
seen[load.u] = 1;
await load.L;
await Promise.all(load.d.map(dep => loadAll(dep, seen)));
if (!load.n)
load.n = load.d.some(dep => dep.n);
}
let importMap = { imports: {}, scopes: {} };
let baselinePassthrough;
const initPromise = featureDetectionPromise.then(() => {
baselinePassthrough = esmsInitOptions.polyfillEnable !== true && supportsDynamicImport && supportsImportMeta && supportsImportMaps && (!jsonModulesEnabled || supportsJsonAssertions) && (!cssModulesEnabled || supportsCssAssertions) && !importMapSrcOrLazy;
if (hasDocument) {
if (!supportsImportMaps) {
const supports = HTMLScriptElement.supports || (type => type === 'classic' || type === 'module');
HTMLScriptElement.supports = type => type === 'importmap' || supports(type);
}
if (shimMode || !baselinePassthrough) {
new MutationObserver(mutations => {
for (const mutation of mutations) {
if (mutation.type !== 'childList') continue;
for (const node of mutation.addedNodes) {
if (node.tagName === 'SCRIPT') {
if (node.type === (shimMode ? 'module-shim' : 'module'))
processScript(node, true);
if (node.type === (shimMode ? 'importmap-shim' : 'importmap'))
processImportMap(node, true);
}
else if (node.tagName === 'LINK' && node.rel === (shimMode ? 'modulepreload-shim' : 'modulepreload')) {
processPreload(node);
}
}
}
}).observe(document, {childList: true, subtree: true});
processScriptsAndPreloads();
if (document.readyState === 'complete') {
readyStateCompleteCheck();
}
else {
async function readyListener() {
await initPromise;
processScriptsAndPreloads();
if (document.readyState === 'complete') {
readyStateCompleteCheck();
document.removeEventListener('readystatechange', readyListener);
}
}
document.addEventListener('readystatechange', readyListener);
}
}
}
return init;
});
let importMapPromise = initPromise;
let firstPolyfillLoad = true;
let acceptingImportMaps = true;
async function topLevelLoad (url, fetchOpts, source, nativelyLoaded, lastStaticLoadPromise) {
if (!shimMode)
acceptingImportMaps = false;
await initPromise;
await importMapPromise;
if (importHook) await importHook(url, typeof fetchOpts !== 'string' ? fetchOpts : {}, '');
// early analysis opt-out - no need to even fetch if we have feature support
if (!shimMode && baselinePassthrough) {
// for polyfill case, only dynamic import needs a return value here, and dynamic import will never pass nativelyLoaded
if (nativelyLoaded)
return null;
await lastStaticLoadPromise;
return dynamicImport(source ? createBlob(source) : url, { errUrl: url || source });
}
const load = getOrCreateLoad(url, fetchOpts, null, source);
const seen = {};
await loadAll(load, seen);
lastLoad = undefined;
resolveDeps(load, seen);
await lastStaticLoadPromise;
if (source && !shimMode && !load.n) {
if (nativelyLoaded) return;
if (revokeBlobURLs) revokeObjectURLs(Object.keys(seen));
return await dynamicImport(createBlob(source), { errUrl: source });
}
if (firstPolyfillLoad && !shimMode && load.n && nativelyLoaded) {
onpolyfill();
firstPolyfillLoad = false;
}
const module = await dynamicImport(!shimMode && !load.n && nativelyLoaded ? load.u : load.b, { errUrl: load.u });
// if the top-level load is a shell, run its update function
if (load.s)
(await dynamicImport(load.s)).u$_(module);
if (revokeBlobURLs) revokeObjectURLs(Object.keys(seen));
// when tla is supported, this should return the tla promise as an actual handle
// so readystate can still correspond to the sync subgraph exec completions
return module;
}
function revokeObjectURLs(registryKeys) {
let batch = 0;
const keysLength = registryKeys.length;
const schedule = self.requestIdleCallback ? self.requestIdleCallback : self.requestAnimationFrame;
schedule(cleanup);
function cleanup() {
const batchStartIndex = batch * 100;
if (batchStartIndex > keysLength) return
for (const key of registryKeys.slice(batchStartIndex, batchStartIndex + 100)) {
const load = registry[key];
if (load) URL.revokeObjectURL(load.b);
}
batch++;
schedule(cleanup);
}
}
function urlJsString (url) {
return `'${url.replace(/'/g, "\\'")}'`;
}
let lastLoad;
function resolveDeps (load, seen) {
if (load.b || !seen[load.u])
return;
seen[load.u] = 0;
for (const dep of load.d)
resolveDeps(dep, seen);
const [imports, exports] = load.a;
// "execution"
const source = load.S;
// edge doesnt execute sibling in order, so we fix this up by ensuring all previous executions are explicit dependencies
let resolvedSource = edge && lastLoad ? `import '${lastLoad}';` : '';
// once all deps have loaded we can inline the dependency resolution blobs
// and define this blob
let lastIndex = 0, depIndex = 0, dynamicImportEndStack = [];
function pushStringTo (originalIndex) {
while (dynamicImportEndStack[dynamicImportEndStack.length - 1] < originalIndex) {
const dynamicImportEnd = dynamicImportEndStack.pop();
resolvedSource += `${source.slice(lastIndex, dynamicImportEnd)}, ${urlJsString(load.r)}`;
lastIndex = dynamicImportEnd;
}
resolvedSource += source.slice(lastIndex, originalIndex);
lastIndex = originalIndex;
}
for (const { s: start, ss: statementStart, se: statementEnd, d: dynamicImportIndex } of imports) {
// dependency source replacements
if (dynamicImportIndex === -1) {
let depLoad = load.d[depIndex++], blobUrl = depLoad.b, cycleShell = !blobUrl;
if (cycleShell) {
// circular shell creation
if (!(blobUrl = depLoad.s)) {
blobUrl = depLoad.s = createBlob(`export function u$_(m){${
depLoad.a[1].map(({ s, e }, i) => {
const q = depLoad.S[s] === '"' || depLoad.S[s] === "'";
return `e$_${i}=m${q ? `[` : '.'}${depLoad.S.slice(s, e)}${q ? `]` : ''}`;
}).join(',')
}}${
depLoad.a[1].length ? `let ${depLoad.a[1].map((_, i) => `e$_${i}`).join(',')};` : ''
}export {${
depLoad.a[1].map(({ s, e }, i) => `e$_${i} as ${depLoad.S.slice(s, e)}`).join(',')
}}\n//# sourceURL=${depLoad.r}?cycle`);
}
}
pushStringTo(start - 1);
resolvedSource += `/*${source.slice(start - 1, statementEnd)}*/${urlJsString(blobUrl)}`;
// circular shell execution
if (!cycleShell && depLoad.s) {
resolvedSource += `;import*as m$_${depIndex} from'${depLoad.b}';import{u$_ as u$_${depIndex}}from'${depLoad.s}';u$_${depIndex}(m$_${depIndex})`;
depLoad.s = undefined;
}
lastIndex = statementEnd;
}
// import.meta
else if (dynamicImportIndex === -2) {
load.m = { url: load.r, resolve: metaResolve };
metaHook(load.m, load.u);
pushStringTo(start);
resolvedSource += `importShim._r[${urlJsString(load.u)}].m`;
lastIndex = statementEnd;
}
// dynamic import
else {
pushStringTo(statementStart + 6);
resolvedSource += `Shim(`;
dynamicImportEndStack.push(statementEnd - 1);
lastIndex = start;
}
}
// support progressive cycle binding updates (try statement avoids tdz errors)
if (load.s)
resolvedSource += `\n;import{u$_}from'${load.s}';try{u$_({${exports.filter(e => e.ln).map(({ s, e, ln }) => `${source.slice(s, e)}:${ln}`).join(',')}})}catch(_){};\n`;
function pushSourceURL (commentPrefix, commentStart) {
const urlStart = commentStart + commentPrefix.length;
const commentEnd = source.indexOf('\n', urlStart);
const urlEnd = commentEnd !== -1 ? commentEnd : source.length;
pushStringTo(urlStart);
resolvedSource += new URL(source.slice(urlStart, urlEnd), load.r).href;
lastIndex = urlEnd;
}
let sourceURLCommentStart = source.lastIndexOf(sourceURLCommentPrefix);
let sourceMapURLCommentStart = source.lastIndexOf(sourceMapURLCommentPrefix);
// ignore sourceMap comments before already spliced code
if (sourceURLCommentStart < lastIndex) sourceURLCommentStart = -1;
if (sourceMapURLCommentStart < lastIndex) sourceMapURLCommentStart = -1;
// sourceURL first / only
if (sourceURLCommentStart !== -1 && (sourceMapURLCommentStart === -1 || sourceMapURLCommentStart > sourceURLCommentStart)) {
pushSourceURL(sourceURLCommentPrefix, sourceURLCommentStart);
}
// sourceMappingURL
if (sourceMapURLCommentStart !== -1) {
pushSourceURL(sourceMapURLCommentPrefix, sourceMapURLCommentStart);
// sourceURL last
if (sourceURLCommentStart !== -1 && (sourceURLCommentStart > sourceMapURLCommentStart))
pushSourceURL(sourceURLCommentPrefix, sourceURLCommentStart);
}
pushStringTo(source.length);
if (sourceURLCommentStart === -1)
resolvedSource += sourceURLCommentPrefix + load.r;
load.b = lastLoad = createBlob(resolvedSource);
load.S = undefined;
}
const sourceURLCommentPrefix = '\n//# sourceURL=';
const sourceMapURLCommentPrefix = '\n//# sourceMappingURL=';
const jsContentType = /^(text|application)\/(x-)?javascript(;|$)/;
const wasmContentType = /^(application)\/wasm(;|$)/;
const jsonContentType = /^(text|application)\/json(;|$)/;
const cssContentType = /^(text|application)\/css(;|$)/;
const cssUrlRegEx = /url\(\s*(?:(["'])((?:\\.|[^\n\\"'])+)\1|((?:\\.|[^\s,"'()\\])+))\s*\)/g;
// restrict in-flight fetches to a pool of 100
let p = [];
let c = 0;
function pushFetchPool () {
if (++c > 100)
return new Promise(r => p.push(r));
}
function popFetchPool () {
c--;
if (p.length)
p.shift()();
}
async function doFetch (url, fetchOpts, parent) {
if (enforceIntegrity && !fetchOpts.integrity)
throw Error(`No integrity for ${url}${fromParent(parent)}.`);
const poolQueue = pushFetchPool();
if (poolQueue) await poolQueue;
try {
var res = await fetchHook(url, fetchOpts);
}
catch (e) {
e.message = `Unable to fetch ${url}${fromParent(parent)} - see network log for details.\n` + e.message;
throw e;
}
finally {
popFetchPool();
}
if (!res.ok) {
const error = new TypeError(`${res.status} ${res.statusText} ${res.url}${fromParent(parent)}`);
error.response = res;
throw error;
}
return res;
}
async function fetchModule (url, fetchOpts, parent) {
const res = await doFetch(url, fetchOpts, parent);
const contentType = res.headers.get('content-type');
if (jsContentType.test(contentType))
return { r: res.url, s: await res.text(), t: 'js' };
else if (wasmContentType.test(contentType)) {
const module = importShim._w[url] = await WebAssembly.compileStreaming(res);
let s = '', i = 0, importObj = '';
for (const impt of WebAssembly.Module.imports(module)) {
s += `import * as impt${i} from '${impt.module}';\n`;
importObj += `'${impt.module}':impt${i++},`;
}
i = 0;
s += `const instance = await WebAssembly.instantiate(importShim._w['${url}'], {${importObj}});\n`;
for (const expt of WebAssembly.Module.exports(module)) {
s += `const expt${i} = instance['${expt.name}'];\n`;
s += `export { expt${i++} as "${expt.name}" };\n`;
}
return { r: res.url, s, t: 'wasm' };
}
else if (jsonContentType.test(contentType))
return { r: res.url, s: `export default ${await res.text()}`, t: 'json' };
else if (cssContentType.test(contentType)) {
return { r: res.url, s: `var s=new CSSStyleSheet();s.replaceSync(${
JSON.stringify((await res.text()).replace(cssUrlRegEx, (_match, quotes = '', relUrl1, relUrl2) => `url(${quotes}${resolveUrl(relUrl1 || relUrl2, url)}${quotes})`))
});export default s;`, t: 'css' };
}
else
throw Error(`Unsupported Content-Type "${contentType}" loading ${url}${fromParent(parent)}. Modules must be served with a valid MIME type like application/javascript.`);
}
function getOrCreateLoad (url, fetchOpts, parent, source) {
let load = registry[url];
if (load && !source)
return load;
load = {
// url
u: url,
// response url
r: source ? url : undefined,
// fetchPromise
f: undefined,
// source
S: undefined,
// linkPromise
L: undefined,
// analysis
a: undefined,
// deps
d: undefined,
// blobUrl
b: undefined,
// shellUrl
s: undefined,
// needsShim
n: false,
// type
t: null,
// meta
m: null
};
if (registry[url]) {
let i = 0;
while (registry[load.u + ++i]);
load.u += i;
}
registry[load.u] = load;
load.f = (async () => {
if (!source) {
// preload fetch options override fetch options (race)
let t;
({ r: load.r, s: source, t } = await (fetchCache[url] || fetchModule(url, fetchOpts, parent)));
if (t && !shimMode) {
if (t === 'css' && !cssModulesEnabled || t === 'json' && !jsonModulesEnabled)
throw Error(`${t}-modules require <script type="esms-options">{ "polyfillEnable": ["${t}-modules"] }<${''}/script>`);
if (t === 'css' && !supportsCssAssertions || t === 'json' && !supportsJsonAssertions)
load.n = true;
}
}
try {
load.a = parse(source, load.u);
}
catch (e) {
throwError(e);
load.a = [[], [], false];
}
load.S = source;
return load;
})();
load.L = load.f.then(async () => {
let childFetchOpts = fetchOpts;
load.d = (await Promise.all(load.a[0].map(async ({ n, d }) => {
if (d >= 0 && !supportsDynamicImport || d === -2 && !supportsImportMeta)
load.n = true;
if (d !== -1 || !n) return;
const { r, b } = await resolve(n, load.r || load.u);
if (b && (!supportsImportMaps || importMapSrcOrLazy))
load.n = true;
if (d !== -1) return;
if (skip && skip(r)) return { b: r };
if (childFetchOpts.integrity)
childFetchOpts = Object.assign({}, childFetchOpts, { integrity: undefined });
return getOrCreateLoad(r, childFetchOpts, load.r).f;
}))).filter(l => l);
});
return load;
}
function processScriptsAndPreloads (mapsOnly = false) {
if (!mapsOnly)
for (const link of document.querySelectorAll(shimMode ? 'link[rel=modulepreload-shim]' : 'link[rel=modulepreload]'))
processPreload(link);
for (const script of document.querySelectorAll(shimMode ? 'script[type=importmap-shim]' : 'script[type=importmap]'))
processImportMap(script);
if (!mapsOnly)
for (const script of document.querySelectorAll(shimMode ? 'script[type=module-shim]' : 'script[type=module]'))
processScript(script);
}
function getFetchOpts (script) {
const fetchOpts = {};
if (script.integrity)
fetchOpts.integrity = script.integrity;
if (script.referrerPolicy)
fetchOpts.referrerPolicy = script.referrerPolicy;
if (script.crossOrigin === 'use-credentials')
fetchOpts.credentials = 'include';
else if (script.crossOrigin === 'anonymous')
fetchOpts.credentials = 'omit';
else
fetchOpts.credentials = 'same-origin';
return fetchOpts;
}
let lastStaticLoadPromise = Promise.resolve();
let domContentLoadedCnt = 1;
function domContentLoadedCheck () {
if (--domContentLoadedCnt === 0 && !noLoadEventRetriggers && (shimMode || !baselinePassthrough)) {
document.dispatchEvent(new Event('DOMContentLoaded'));
}
}
// this should always trigger because we assume es-module-shims is itself a domcontentloaded requirement
if (hasDocument) {
document.addEventListener('DOMContentLoaded', async () => {
await initPromise;
domContentLoadedCheck();
});
}
let readyStateCompleteCnt = 1;
function readyStateCompleteCheck () {
if (--readyStateCompleteCnt === 0 && !noLoadEventRetriggers && (shimMode || !baselinePassthrough)) {
document.dispatchEvent(new Event('readystatechange'));
}
}
const hasNext = script => script.nextSibling || script.parentNode && hasNext(script.parentNode);
const epCheck = (script, ready) => script.ep || !ready && (!script.src && !script.innerHTML || !hasNext(script)) || script.getAttribute('noshim') !== null || !(script.ep = true);
function processImportMap (script, ready = readyStateCompleteCnt > 0) {
if (epCheck(script, ready)) return;
// we dont currently support multiple, external or dynamic imports maps in polyfill mode to match native
if (script.src) {
if (!shimMode)
return;
setImportMapSrcOrLazy();
}
if (acceptingImportMaps) {
importMapPromise = importMapPromise
.then(async () => {
importMap = resolveAndComposeImportMap(script.src ? await (await doFetch(script.src, getFetchOpts(script))).json() : JSON.parse(script.innerHTML), script.src || baseUrl, importMap);
})
.catch(e => {
console.log(e);
if (e instanceof SyntaxError)
e = new Error(`Unable to parse import map ${e.message} in: ${script.src || script.innerHTML}`);
throwError(e);
});
if (!shimMode)
acceptingImportMaps = false;
}
}
function processScript (script, ready = readyStateCompleteCnt > 0) {
if (epCheck(script, ready)) return;
// does this load block readystate complete
const isBlockingReadyScript = script.getAttribute('async') === null && readyStateCompleteCnt > 0;
// does this load block DOMContentLoaded
const isDomContentLoadedScript = domContentLoadedCnt > 0;
if (isBlockingReadyScript) readyStateCompleteCnt++;
if (isDomContentLoadedScript) domContentLoadedCnt++;
const loadPromise = topLevelLoad(script.src || baseUrl, getFetchOpts(script), !script.src && script.innerHTML, !shimMode, isBlockingReadyScript && lastStaticLoadPromise)
.then(() => {
// if the type of the script tag "module-shim", browser does not dispatch a "load" event
// see https://github.com/guybedford/es-module-shims/issues/346
if (shimMode) {
script.dispatchEvent(new Event('load'));
}
})
.catch(throwError);
if (isBlockingReadyScript)
lastStaticLoadPromise = loadPromise.then(readyStateCompleteCheck);
if (isDomContentLoadedScript)
loadPromise.then(domContentLoadedCheck);
}
const fetchCache = {};
function processPreload (link) {
if (link.ep) return;
link.ep = true;
if (fetchCache[link.href])
return;
fetchCache[link.href] = fetchModule(link.href, getFetchOpts(link));
}
})();