This pull request add a single space before header value (after colon). then the polyfilled getAllResponseHeaders() will return the same format value with native
The origin http header
Parsed response header
The return value of polyfilled getAllResponseHeaders()
The space lost here
This pull request add a single space before header value (after colon). then the polyfilled
getAllResponseHeaders()
will return the same format value with nativeThe origin http header
Parsed response header
The return value of polyfilled getAllResponseHeaders() The space lost here
The FIRST CHAR LOST. Some 3rd libraries like azure-sdk-for-js makes http request by using
XMLHttpRequest
and parses header by itself just like following code https://github.com/Azure/azure-sdk-for-js/blob/744e51acb755db2c565c71a8856d8d13e6ec345b/sdk/core/core-https/src/xhrHttpsClient.ts#L129 If the return value from the polyfilled function XMLHttpRequest.getAllResponseHeaders() is not keeps the exact same format (Date: Thu, 01 Oct 2020 05:18:27 GMT\r\n
) as the original value, some thing will broken.