From 985a87397134a542135511ff57430ac10a44cac7 Mon Sep 17 00:00:00 2001
From: Miguel Serrano <mserranom@users.noreply.github.com>
Date: Wed, 8 Oct 2025 10:05:51 +0200
Subject: [PATCH] Merge pull request #28779 from
 overleaf/msm-clsi-loadtest-async-await

[clsi] Replaced callbacks with async/await in `loadTests`

GitOrigin-RevId: 81e84dd77f71560f765625dfdbeafcf14312a3ff
---
 services/clsi/test/load/js/loadTest.js | 103 +++++++++++--------------
 1 file changed, 46 insertions(+), 57 deletions(-)

diff --git a/services/clsi/test/load/js/loadTest.js b/services/clsi/test/load/js/loadTest.js
index 506b51bf6f..189ab29fb7 100644
--- a/services/clsi/test/load/js/loadTest.js
+++ b/services/clsi/test/load/js/loadTest.js
@@ -1,12 +1,4 @@
-// TODO: This file was created by bulk-decaffeinate.
-// Fix any style issues and re-enable lint.
-/*
- * decaffeinate suggestions:
- * DS102: Remove unnecessary code created because of implicit returns
- * DS207: Consider shorter variations of null checks
- * Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
- */
-const request = require('request')
+const { fetchNothing } = require('@overleaf/fetch-utils')
 const Settings = require('@overleaf/settings')
 const async = require('async')
 const fs = require('node:fs')
@@ -27,7 +19,7 @@ const getAverageCompileTime = function () {
   return totalTime / compileTimes.length
 }
 
-const makeRequest = function (compileNumber, callback) {
+const makeRequest = async function (compileNumber) {
   let bulkBodyCount = 7
   let bodyContent = ''
   while (--bulkBodyCount) {
@@ -35,67 +27,64 @@ const makeRequest = function (compileNumber, callback) {
   }
 
   const startTime = new Date()
-  return request.post(
-    {
-      url: buildUrl(`project/loadcompile-${compileNumber}/compile`),
-      json: {
-        compile: {
-          resources: [
-            {
-              path: 'main.tex',
-              content: `\
+
+  try {
+    await fetchNothing(
+      buildUrl(`project/loadcompile-${compileNumber}/compile`),
+      {
+        method: 'POST',
+        json: {
+          compile: {
+            resources: [
+              {
+                path: 'main.tex',
+                content: `\
 \\documentclass{article}
 \\begin{document}
 ${bodyContent}
 \\end{document}\
 `,
-            },
-          ],
+              },
+            ],
+          },
         },
-      },
-    },
-    (err, response, body) => {
-      if (err != null) {
-        failedCount++
-        return callback(new Error(`compile ${compileNumber} failed`))
       }
-      if (response.statusCode !== 200) {
-        failedCount++
-        return callback(new Error(`compile ${compileNumber} failed`))
-      }
-      const totalTime = new Date() - startTime
-      console.log(totalTime + 'ms')
-      compileTimes.push(totalTime)
-      return callback(err)
-    }
-  )
+    )
+    const totalTime = new Date() - startTime
+    console.log(totalTime + 'ms')
+    compileTimes.push(totalTime)
+  } catch (error) {
+    console.log({ error })
+    failedCount++
+    throw new Error(`compile ${compileNumber} failed`)
+  }
 }
 
-const jobs = _.map(
-  __range__(1, totalCompiles, true),
-  i => cb => makeRequest(i, cb)
-)
+const jobs = []
+for (let i = 0; i < totalCompiles; i++) {
+  jobs.push(() => makeRequest(i))
+}
 
-const startTime = new Date()
-async.parallelLimit(jobs, concurentCompiles, err => {
-  if (err != null) {
-    console.error(err)
-  }
+const runJob = (job, _, cb) =>
+  job()
+    .then(() => cb())
+    .catch(err => cb(err))
+
+async function run() {
+  const startTime = new Date()
+  await async.eachOfLimit(jobs, concurentCompiles, runJob)
   console.log(`total time taken = ${(new Date() - startTime) / 1000}s`)
   console.log(`total compiles = ${totalCompiles}`)
   console.log(`concurent compiles = ${concurentCompiles}`)
   console.log(`average time = ${getAverageCompileTime() / 1000}s`)
   console.log(`max time = ${_.max(compileTimes) / 1000}s`)
   console.log(`min time = ${_.min(compileTimes) / 1000}s`)
-  return console.log(`total failures = ${failedCount}`)
-})
-
-function __range__(left, right, inclusive) {
-  const range = []
-  const ascending = left < right
-  const end = !inclusive ? right : ascending ? right + 1 : right - 1
-  for (let i = left; ascending ? i < end : i > end; ascending ? i++ : i--) {
-    range.push(i)
-  }
-  return range
+  console.log(`total failures = ${failedCount}`)
 }
+
+run()
+  .then(() => process.exit(0))
+  .catch(error => {
+    console.error(error)
+    process.exit(1)
+  })