npm build gives "Ineffective mark-compacts near heap limit Allocation failed" : <p>I have a reactjs/typescript project, running on windows 10. Im trying to build by ts-scripts with</p>

<blockquote>
  <p>"rimraf ../wwwroot/* &amp;&amp; react-scripts-ts build &amp;&amp; copyfiles
  ./build/**/* ../wwwroot/ -u 1</p>
</blockquote>

<p>This has worked ok before, but when I removed the node_modules-folder, re-run the npm install-command and then the command above I get the error message</p>

<blockquote>
  <p>FATAL ERROR: Ineffective mark-compacts near heap limit Allocation
  failed - JavaScript heap out of memory</p>
</blockquote>

<p>I have no idea why. After googling Ive seen</p>

<blockquote>
  <p>NODE_OPTIONS="–max-old-space-size=2048"
  but I dont know where to put this</p>
</blockquote>

<p><strong>Full error message</strong></p>

<p>Last few GCs </p>

<pre><code>[11376:0000024682F49880]    60039 ms: Mark-sweep 2034.1 (2085.2) -&gt; 2033.7 (2085.2) MB, 1029.4 / 0.0 ms  (average mu = 0.073, current mu = 0.006) allocation failure scavenge might not succeed
[11376:0000024682F49880]    61094 ms: Mark-sweep 2034.4 (2085.2) -&gt; 2034.1 (2085.7) MB, 1047.7 / 0.0 ms  (average mu = 0.039, current mu = 0.007) allocation failure scavenge might not succeed


 JS stacktrace 
==== JS stack trace =========================================

    0: ExitFrame [pc: 000001CDF84DC5C1]
Security context: 0x007044b9e6e1 &lt;JSObject&gt;
    1: bindChildrenWorker(aka bindChildrenWorker) [000001AD1C0ACD59] [C:\Users\robcar\source\repos\Boost\Boost.Web\ClientApp\node_modules\typescript\lib\typescript.js:~27657] [pc=000001CDF8FA47CA](this=0x03da79d826f1 &lt;undefined&gt;,node=0x034b8724ab71 &lt;NodeObject map = 000000660468F931&gt;)
    2: bind(aka bind) [000001AD1C0AE2D9] [C:\Users\robcar\source\repos\B...

FATAL ERROR: Ineffective mark-compacts near heap limit Allocation failed - JavaScript heap out of memory
 1: 00007FF6B5EA121A v8::internal::GCIdleTimeHandler::GCIdleTimeHandler+4810
 2: 00007FF6B5E7A5B6 node::MakeCallback+4518
 3: 00007FF6B5E7AFA0 node_module_register+2160
 4: 00007FF6B610B3EE v8::internal::FatalProcessOutOfMemory+846
 5: 00007FF6B610B31F v8::internal::FatalProcessOutOfMemory+639
 6: 00007FF6B6649304 v8::internal::Heap::MaxHeapGrowingFactor+11476
 7: 00007FF6B663FA67 v8::internal::ScavengeJob::operator=+25543
 8: 00007FF6B663DFDC v8::internal::ScavengeJob::operator=+18748
 9: 00007FF6B6646F57 v8::internal::Heap::MaxHeapGrowingFactor+2343
10: 00007FF6B6646FD6 v8::internal::Heap::MaxHeapGrowingFactor+2470
11: 00007FF6B61E9DD7 v8::internal::Factory::NewFillerObject+55
12: 00007FF6B6281ABA v8::internal::WasmJs::Install+29530
13: 000001CDF84DC5C1
</code></pre>
