It appears that the repository has undergone several changes and renamings:

backend/node_modules/.bin/sucrase-node.ps1

@@ -1,28 +0,0 @@
-#!/usr/bin/env pwsh
-$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent
-
-$exe=""
-if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) {
-  # Fix case when both the Windows and Linux builds of Node
-  # are installed in the same directory
-  $exe=".exe"
-}
-$ret=0
-if (Test-Path "$basedir/node$exe") {
-  # Support pipeline input
-  if ($MyInvocation.ExpectingInput) {
-    $input | & "$basedir/node$exe"  "$basedir/../sucrase/bin/sucrase-node" $args
-  } else {
-    & "$basedir/node$exe"  "$basedir/../sucrase/bin/sucrase-node" $args
-  }
-  $ret=$LASTEXITCODE
-} else {
-  # Support pipeline input
-  if ($MyInvocation.ExpectingInput) {
-    $input | & "node$exe"  "$basedir/../sucrase/bin/sucrase-node" $args
-  } else {
-    & "node$exe"  "$basedir/../sucrase/bin/sucrase-node" $args
-  }
-  $ret=$LASTEXITCODE
-}
-exit $ret