import { getModuleContext, requestStore } from "./context";
import { requestToBodyStream } from "../../body-streams";
import { NEXT_RSC_UNION_QUERY } from "../../../client/components/app-router-headers";
export const ErrorSource = Symbol("SandboxError");
const FORBIDDEN_HEADERS = [
    "content-length",
    "content-encoding",
    "transfer-encoding"
];
/**
 * Decorates the runner function making sure all errors it can produce are
 * tagged with `edge-server` so they can properly be rendered in dev.
 */ function withTaggedErrors(fn) {
    if (process.env.NODE_ENV === "development") {
        const { getServerError } = require("../../../client/components/react-dev-overlay/server/middleware");
        return (params)=>fn(params).then((result)=>{
                var _result_waitUntil;
                return {
                    ...result,
                    waitUntil: result == null ? void 0 : (_result_waitUntil = result.waitUntil) == null ? void 0 : _result_waitUntil.catch((error)=>{
                        // TODO: used COMPILER_NAMES.edgeServer instead. Verify that it does not increase the runtime size.
                        throw getServerError(error, "edge-server");
                    })
                };
            }).catch((error)=>{
                // TODO: used COMPILER_NAMES.edgeServer instead
                throw getServerError(error, "edge-server");
            });
    }
    return fn;
}
export async function getRuntimeContext(params) {
    const { runtime, evaluateInContext } = await getModuleContext({
        moduleName: params.name,
        onWarning: params.onWarning ?? (()=>{}),
        onError: params.onError ?? (()=>{}),
        useCache: params.useCache !== false,
        edgeFunctionEntry: params.edgeFunctionEntry,
        distDir: params.distDir
    });
    if (params.incrementalCache) {
        runtime.context.globalThis.__incrementalCacheShared = true;
        runtime.context.globalThis.__incrementalCache = params.incrementalCache;
    }
    for (const paramPath of params.paths){
        evaluateInContext(paramPath);
    }
    return runtime;
}
export const run = withTaggedErrors(async function runWithTaggedErrors(params) {
    var _params_request_body;
    const runtime = await getRuntimeContext(params);
    const edgeFunction = (await runtime.context._ENTRIES[`middleware_${params.name}`]).default;
    const cloned = ![
        "HEAD",
        "GET"
    ].includes(params.request.method) ? (_params_request_body = params.request.body) == null ? void 0 : _params_request_body.cloneBodyStream() : undefined;
    const KUint8Array = runtime.evaluate("Uint8Array");
    const urlInstance = new URL(params.request.url);
    urlInstance.searchParams.delete(NEXT_RSC_UNION_QUERY);
    params.request.url = urlInstance.toString();
    const headers = new Headers();
    for (const [key, value] of Object.entries(params.request.headers)){
        headers.set(key, (value == null ? void 0 : value.toString()) ?? "");
    }
    try {
        let result = undefined;
        await requestStore.run({
            headers
        }, async ()=>{
            result = await edgeFunction({
                request: {
                    ...params.request,
                    body: cloned && requestToBodyStream(runtime.context, KUint8Array, cloned)
                }
            });
            for (const headerName of FORBIDDEN_HEADERS){
                result.response.headers.delete(headerName);
            }
        });
        if (!result) throw new Error("Edge function did not return a response");
        return result;
    } finally{
        var _params_request_body1;
        await ((_params_request_body1 = params.request.body) == null ? void 0 : _params_request_body1.finalize());
    }
});

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