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32 lines
888 B
Go
32 lines
888 B
Go
package fetch
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import (
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"errors"
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"net/http"
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"syscall/js"
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"github.com/syumai/workers/internal/jshttp"
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"github.com/syumai/workers/internal/jsutil"
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)
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// fetch is a function that reproduces cloudflare fetch.
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// Docs: https://developers.cloudflare.com/workers/runtime-apis/fetch/
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func fetch(namespace js.Value, req *http.Request, init *RequestInit) (*http.Response, error) {
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if namespace.IsUndefined() {
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return nil, errors.New("fetch function not found")
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}
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promise := namespace.Call("fetch",
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// The Request object to fetch.
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// Docs: https://developers.cloudflare.com/workers/runtime-apis/request
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jshttp.ToJSRequest(req),
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// The content of the request.
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// Docs: https://developers.cloudflare.com/workers/runtime-apis/request#requestinit
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init.ToJS(),
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)
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jsRes, 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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return jshttp.ToResponse(jsRes)
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}
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