28860d35b2
Assets defined for `templateUrl` and `styleUrls` can now be loaded in relative to where the component file is placed so long as the `moduleId` is set within the component annotation. Closes #5634
59 lines
1.9 KiB
Dart
59 lines
1.9 KiB
Dart
library angular2.src.services.url_resolver;
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import 'package:angular2/src/core/di.dart' show Injectable, Inject, Provider;
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import 'package:angular2/src/facade/lang.dart' show isPresent, StringWrapper;
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import 'package:angular2/src/core/application_tokens.dart' show PACKAGE_ROOT_URL;
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UrlResolver createWithoutPackagePrefix() {
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return new UrlResolver.withUrlPrefix(null);
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}
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const DEFAULT_PACKAGE_URL_PROVIDER = const Provider(PACKAGE_ROOT_URL, useValue: "/packages");
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@Injectable()
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class UrlResolver {
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/// This will be the location where 'package:' Urls will resolve. Default is
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/// '/packages'
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final String _packagePrefix;
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UrlResolver([@Inject(PACKAGE_ROOT_URL) this._packagePrefix]);
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/// Creates a UrlResolver that will resolve 'package:' Urls to a different
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/// prefixed location.
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const UrlResolver.withUrlPrefix(this._packagePrefix);
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/**
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* Resolves the `url` given the `baseUrl`:
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* - when the `url` is null, the `baseUrl` is returned,
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* - if `url` is relative ('path/to/here', './path/to/here'), the resolved url is a combination of
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* `baseUrl` and `url`,
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* - if `url` is absolute (it has a scheme: 'http://', 'https://' or start with '/'), the `url` is
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* returned as is (ignoring the `baseUrl`)
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*
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* @param {string} baseUrl
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* @param {string} url
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* @returns {string} the resolved URL
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*/
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String resolve(String baseUrl, String url) {
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Uri uri = Uri.parse(url);
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if (isPresent(baseUrl) && baseUrl.length > 0) {
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Uri baseUri = Uri.parse(baseUrl);
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uri = baseUri.resolveUri(uri);
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}
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var prefix = this._packagePrefix;
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if (prefix != null && uri.scheme == 'package') {
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prefix = StringWrapper.stripRight(prefix, '/');
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var path = StringWrapper.stripLeft(uri.path, '/');
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return '$prefix/$path';
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} else {
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return uri.toString();
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}
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}
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}
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String getUrlScheme(String url) {
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return Uri.parse(url).scheme;
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}
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