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https://github.com/socketio/socket.io.git
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df32277c3f
This commit allows to: - provide an ESM version of those modules ([1]) - reduce the attack surface in case of supply chain attacks - reduce the size of the bundle with tree-shaking As a downside, we won't receive security updates for those modules anymore. [1]: https://github.com/socketio/socket.io-client/issues/1536
24 lines
541 B
TypeScript
24 lines
541 B
TypeScript
// browser shim for xmlhttprequest module
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import { hasCORS } from "./contrib/has-cors.js";
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import globalThis from "./globalThis.js";
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export default function(opts) {
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const xdomain = opts.xdomain;
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// XMLHttpRequest can be disabled on IE
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try {
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if ("undefined" !== typeof XMLHttpRequest && (!xdomain || hasCORS)) {
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return new XMLHttpRequest();
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}
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} catch (e) {}
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if (!xdomain) {
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try {
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return new globalThis[["Active"].concat("Object").join("X")](
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"Microsoft.XMLHTTP"
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);
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} catch (e) {}
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}
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}
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