mirror of
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55 lines
1.6 KiB
Go
55 lines
1.6 KiB
Go
package jshttp
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import (
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"io"
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"net/http"
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"strconv"
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"strings"
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"syscall/js"
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"github.com/syumai/workers/internal/jsutil"
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)
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// ToResponse converts JavaScript sides Response to *http.Response.
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// - Response: https://developer.mozilla.org/docs/Web/API/Response
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func ToResponse(res js.Value) (*http.Response, error) {
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status := res.Get("status").Int()
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promise := res.Call("text")
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body, err := jsutil.AwaitPromise(promise)
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if err != nil {
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return nil, err
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}
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header := ToHeader(res.Get("headers"))
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contentLength, _ := strconv.ParseInt(header.Get("Content-Length"), 10, 64)
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return &http.Response{
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Status: strconv.Itoa(status) + " " + res.Get("statusText").String(),
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StatusCode: status,
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Header: header,
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Body: io.NopCloser(strings.NewReader(body.String())),
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ContentLength: contentLength,
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}, nil
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}
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// ToJSResponse converts *http.Response to JavaScript sides Response.
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// - Response: https://developer.mozilla.org/docs/Web/API/Response
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func ToJSResponse(w *ResponseWriterBuffer) (js.Value, error) {
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<-w.ReadyCh // wait until ready
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status := w.StatusCode
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if status == 0 {
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status = http.StatusOK
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}
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respInit := jsutil.NewObject()
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respInit.Set("status", status)
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respInit.Set("statusText", http.StatusText(status))
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respInit.Set("headers", ToJSHeader(w.Header()))
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if status == http.StatusSwitchingProtocols ||
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status == http.StatusNoContent ||
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status == http.StatusResetContent ||
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status == http.StatusNotModified {
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return jsutil.ResponseClass.New(jsutil.Null, respInit), nil
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}
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readableStream := jsutil.ConvertReaderToReadableStream(w.Reader)
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return jsutil.ResponseClass.New(readableStream, respInit), nil
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}
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