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/**
* Base path for resources. The default value is correct for non-worker WPT, but standalone and
* workers must access resources using a different base path, so this is overridden in
* `test_worker-worker.ts` and `standalone.ts`.
*/
let baseResourcePath = './resources';
let crossOriginHost = '';
function getAbsoluteBaseResourcePath(path: string) {
// Path is already an absolute one.
if (path[0] === '/') {
return path;
}
// Path is relative
const relparts = window.location.pathname.split('/');
relparts.pop();
const pathparts = path.split('/');
let i;
for (i = 0; i < pathparts.length; ++i) {
switch (pathparts[i]) {
case '':
break;
case '.':
break;
case '..':
relparts.pop();
break;
default:
relparts.push(pathparts[i]);
break;
}
}
return relparts.join('/');
}
function runningOnLocalHost(): boolean {
const hostname = window.location.hostname;
return hostname === 'localhost' || hostname === '127.0.0.1' || hostname === '::1';
}
/**
* Get a path to a resource in the `resources` directory relative to the current execution context
* (html file or worker .js file), for `fetch()`, `<img>`, `<video>`, etc but from cross origin host.
* Provide onlineUrl if the case running online.
* @internal MAINTENANCE_TODO: Cases may run in the LAN environment (not localhost but no internet
* access). We temporarily use `crossOriginHost` to configure the cross origin host name in that situation.
* But opening to auto-detect mechanism or other solutions.
*/
export function getCrossOriginResourcePath(pathRelativeToResourcesDir: string, onlineUrl = '') {
// A cross origin host has been configured. Use this to load resource.
if (crossOriginHost !== '') {
return (
crossOriginHost +
getAbsoluteBaseResourcePath(baseResourcePath) +
'/' +
pathRelativeToResourcesDir
);
}
// Using 'localhost' and '127.0.0.1' trick to load cross origin resource. Set cross origin host name
// to 'localhost' if case is not running in 'localhost' domain. Otherwise, use '127.0.0.1'.
// host name to locahost unless the server running in
if (runningOnLocalHost()) {
let crossOriginHostName = '';
if (location.hostname === 'localhost') {
crossOriginHostName = 'http://127.0.0.1';
} else {
crossOriginHostName = 'http://localhost';
}
return (
crossOriginHostName +
':' +
location.port +
getAbsoluteBaseResourcePath(baseResourcePath) +
'/' +
pathRelativeToResourcesDir
);
}
return onlineUrl;
}
/**
* Get a path to a resource in the `resources` directory, relative to the current execution context
* (html file or worker .js file), for `fetch()`, `<img>`, `<video>`, etc. Pass the cross origin host
* name if wants to load resoruce from cross origin host.
*/
export function getResourcePath(pathRelativeToResourcesDir: string) {
return baseResourcePath + '/' + pathRelativeToResourcesDir;
}
/**
* Set the base resource path (path to the `resources` directory relative to the current
* execution context).
*/
export function setBaseResourcePath(path: string) {
baseResourcePath = path;
}
/**
* Set the cross origin host and cases related to cross origin
* will load resource from the given host.
*/
export function setCrossOriginHost(host: string) {
crossOriginHost = host;
}
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