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90 lines
2.4 KiB
JavaScript
90 lines
2.4 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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0 && (module.exports = {
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requestToBodyStream: null,
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getCloneableBody: null
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});
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function _export(target, all) {
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for(var name in all)Object.defineProperty(target, name, {
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enumerable: true,
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get: all[name]
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});
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}
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_export(exports, {
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requestToBodyStream: function() {
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return requestToBodyStream;
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},
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getCloneableBody: function() {
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return getCloneableBody;
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}
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});
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const _stream = require("stream");
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function requestToBodyStream(context, KUint8Array, stream) {
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return new context.ReadableStream({
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start: async (controller)=>{
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for await (const chunk of stream){
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controller.enqueue(new KUint8Array(chunk));
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}
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controller.close();
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}
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});
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}
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function replaceRequestBody(base, stream) {
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for(const key in stream){
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let v = stream[key];
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if (typeof v === "function") {
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v = v.bind(base);
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}
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base[key] = v;
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}
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return base;
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}
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function getCloneableBody(readable) {
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let buffered = null;
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const endPromise = new Promise((resolve, reject)=>{
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readable.on("end", resolve);
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readable.on("error", reject);
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}).catch((error)=>{
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return {
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error
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};
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});
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return {
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/**
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* Replaces the original request body if necessary.
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* This is done because once we read the body from the original request,
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* we can't read it again.
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*/ async finalize () {
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if (buffered) {
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const res = await endPromise;
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if (res && typeof res === "object" && res.error) {
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throw res.error;
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}
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replaceRequestBody(readable, buffered);
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buffered = readable;
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}
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},
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/**
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* Clones the body stream
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* to pass into a middleware
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*/ cloneBodyStream () {
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const input = buffered ?? readable;
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const p1 = new _stream.PassThrough();
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const p2 = new _stream.PassThrough();
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input.on("data", (chunk)=>{
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p1.push(chunk);
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p2.push(chunk);
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});
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input.on("end", ()=>{
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p1.push(null);
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p2.push(null);
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});
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buffered = p2;
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return p1;
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}
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};
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}
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//# sourceMappingURL=body-streams.js.map
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