mirror of
https://github.com/systemjs/systemjs.git
synced 2026-01-18 14:53:14 +00:00
43 lines
1.1 KiB
JavaScript
43 lines
1.1 KiB
JavaScript
}
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// auto-load Promise and URL polyfills if needed in the browser
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try {
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var hasURL = typeof URLPolyfill != 'undefined' || new URL('test:///').protocol == 'test:';
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}
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catch(e) {}
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if (typeof Promise === 'undefined' || !hasURL) {
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// document.write
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if (typeof document !== 'undefined') {
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var scripts = document.getElementsByTagName('script');
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$__curScript = scripts[scripts.length - 1];
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var curPath = $__curScript.src;
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var basePath = curPath.substr(0, curPath.lastIndexOf('/') + 1);
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window.systemJSBootstrap = bootstrap;
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document.write(
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'<' + 'script type="text/javascript" src="' + basePath + 'system-polyfills.js">' + '<' + '/script>'
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);
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}
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// importScripts
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else if (typeof importScripts !== 'undefined') {
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var basePath = '';
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try {
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throw new Error('_');
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} catch (e) {
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e.stack.replace(/(?:at|@).*(http.+):[\d]+:[\d]+/, function(m, url) {
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basePath = url.replace(/\/[^\/]*$/, '/');
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});
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}
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importScripts(basePath + 'system-polyfills.js');
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bootstrap();
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}
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else {
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bootstrap();
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}
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}
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else {
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bootstrap();
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}
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})(); |