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net/http: use DOMException.message property in error text

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Previously, details about the underlying fetch error
were not visible in the net/http error text:

	net/http: fetch() failed: <object>

When using the message property, they are:

	net/http: fetch() failed: Failed to fetch
	net/http: fetch() failed: The user aborted a request.

Reference: https://developer.mozilla.org/en-US/docs/Web/API/DOMException/message.

Change-Id: Iecf7c6bac01abb164731a4d5c9af6582c250a1a0
Reviewed-on: https://go-review.googlesource.com/c/go/+/226205
Reviewed-by: Johan Brandhorst <johan.brandhorst@gmail.com>
This commit is contained in:
Dmitri Shuralyov 2020-03-28 23:25:18 -04:00
parent 534f56b4b2
commit 7bfac4c3dd
1 changed files with 1 additions and 1 deletions
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2
src/net/http/roundtrip_js.go
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@ -157,7 +157,7 @@ func (t *Transport) RoundTrip(req *Request) (*Response, error) {
})
defer success.Release()
failure := js.FuncOf(func(this js.Value, args []js.Value) interface{} {
err := fmt.Errorf("net/http: fetch() failed: %s", args[0].String())
err := fmt.Errorf("net/http: fetch() failed: %s", args[0].Get("message").String())
select {
case errCh <- err:
case <-req.Context().Done():