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annotate benchmark/bun-http-framework-benchmark/src/bun/bun.ts @ 205:e07b4b5a66bb

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author MrJuneJune <me@mrjunejune.com>
date Sun, 15 Feb 2026 11:07:52 -0800
parents a8976a008a9d
children
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183
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1 const jsonHeaders = { headers: [['Content-Type', 'application/json']] },
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2 queryHeaders = { headers: [['X-Powered-By', 'benchmark']] },
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3 notFound = new Response(null, { status: 404 }),
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4 hiRes = new Response('Hi')
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5
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6 function toResponse(json: unknown) {
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7 return new Response(JSON.stringify(json), jsonHeaders)
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8 }
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9
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10 // json -> [106, 115, 111, 110]
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11 // id/ -> [105, 100, 47]
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12 // Simulate the maximum performance you can get with Bun.serve
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13 // We should appreciate how frameworks make all these stuff easier :) - Reve
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14 Bun.serve({
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15 static: {
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16 '/': new Response('Hi', {
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17 headers: { 'content-type': 'text/plain;charset=utf8' }
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18 })
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19 },
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20 routes: {
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21 '/id/:id': {
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22 GET(request: Request) {
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23 const url = request.url,
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24 s = url.indexOf('/', 11),
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25 qi = url.indexOf('?', s + 1)
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26
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27 const nameIdx = url.indexOf('name=', qi + 1)
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28 const nameEndIdx = url.indexOf('&', nameIdx + 1)
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29 return new Response(
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30 `${request.params.id} ${
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31 nameEndIdx === -1
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32 ? url.substring(nameIdx + 5)
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33 : url.substring(nameIdx + 5, nameEndIdx)
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34 }`,
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35 queryHeaders
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36 )
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37 }
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38 }
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39 },
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40 fetch(req): Response | Promise<Response> {
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41 const url = req.url
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42
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43 const pathIndex = url.indexOf('/', 12) + 1
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44 const queryIndex = url.indexOf('?', pathIndex)
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45 const path =
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46 queryIndex === -1
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47 ? url.substring(pathIndex)
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48 : url.substring(pathIndex, queryIndex)
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49
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50 if (path.length === 0)
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51 return req.method === 'GET' ? hiRes.clone() : notFound
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52
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53 switch (path.charCodeAt(0)) {
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54 case 105:
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55 if (
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56 path.charCodeAt(1) === 100 &&
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57 path.charCodeAt(2) === 47 &&
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58 req.method === 'GET'
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59 ) {
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60 // Shouldn't include a slash and should have query
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61 if (queryIndex === -1 || path.indexOf('/', 3) !== -1)
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62 return notFound
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63
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64 const nameQueryIdx = url.indexOf('name=', queryIndex + 1)
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65 if (nameQueryIdx === -1) return notFound
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66
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67 const nameQueryEndIdx = url.indexOf('&', nameQueryIdx + 1)
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68 return new Response(
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69 `${path.substring(3, queryIndex)} ${
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70 nameQueryEndIdx === -1
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71 ? url.substring(nameQueryIdx + 5)
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72 : url.substring(
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73 nameQueryIdx + 5,
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74 nameQueryEndIdx
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75 )
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76 }`,
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77 queryHeaders
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78 )
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79 }
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80
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81 return notFound
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82
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83 case 106:
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84 return path.charCodeAt(1) === 115 &&
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85 path.charCodeAt(2) === 111 &&
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86 path.charCodeAt(3) === 110 &&
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87 req.method === 'POST'
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88 ? req.json().then(toResponse)
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89 : notFound
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90
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91 default:
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92 return notFound
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93 }
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94 }
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95 })