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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 | 1x 1x 1x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 1x 1x 4x 3x 4x 1x 1x 1x 1x 4x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 1x | import "@kitajs/html"; import { renderToStream } from "@kitajs/html/suspense"; import type express from "express"; import type { JSONSerializable } from "."; import type { FlashMessage } from "./flash-message"; export interface PlainResponse { _tag: "PlainResponse"; headers?: Record<string, string>; status?: number; body?: string | Promise<string>; htmlStream?: (rid: number | string) => JSX.Element; } export function isPlainResponse(r: unknown): r is PlainResponse { return (r as PlainResponse)._tag === "PlainResponse"; } export async function sendPlainResponse( res: express.Response, plainResponse: PlainResponse, ) { if (res.headersSent) { console.warn("Headers already sent, cannot send response"); return; } if (plainResponse.headers) { for (const [key, value] of Object.entries(plainResponse.headers)) { res.setHeader(key, value); } } if (plainResponse.status) { res.status(plainResponse.status); } // body if (plainResponse.body) { res.send(await plainResponse.body); } else if (plainResponse.htmlStream) { const htmlStream = renderToStream(plainResponse.htmlStream); htmlStream.pipe(res); htmlStream.on("end", () => { res.end(); }); htmlStream.on("error", (err) => { console.error("Error streaming response", err); }); } else { console.error("No body or htmlStream provided"); res.end(); } } export function html( html: Promise<string> | string, opts?: { status?: number }, ): PlainResponse { return { _tag: "PlainResponse", headers: { "Content-Type": "text/html; charset=utf-8", }, body: html, status: opts?.status, }; } export function stream( htmlStream: (rid: number | string) => JSX.Element, ): PlainResponse { return { _tag: "PlainResponse", headers: { "Content-Type": "text/html; charset=utf-8", "Cache-Control": "no-transform", }, htmlStream, }; } export function redirect( path: string, opts?: { message?: FlashMessage }, ): PlainResponse { // TODO store flash message return { _tag: "PlainResponse", status: 302, headers: { Location: path, }, }; } export function json( json: JSONSerializable, opts?: { status?: number }, ): PlainResponse { return { _tag: "PlainResponse", headers: { "Content-Type": "application/json", }, body: JSON.stringify(json), status: opts?.status, }; } export function notFound(): PlainResponse { return { _tag: "PlainResponse", status: 404, body: "Not Found", }; } |