Catch useLayoutEffect warnings

products/jbrowse-img/src/index.js

@@ -5,9 +5,12 @@ import { standardizeArgv, parseArgv } from './parseArgv'
 import { renderRegion } from './renderRegion'
 import tmp from 'tmp'
 import 'abortcontroller-polyfill/dist/abortcontroller-polyfill-only'
-
 import { spawnSync } from 'child_process'
 
+const err = console.error
+console.error = (...args) =>
+  args[0]?.match('useLayoutEffect') ? null : err(args)
+
 // eslint-disable-next-line no-unused-expressions
 yargs
   .command('jb2export', 'Creates a jbrowse 2 image snapshot')
@@ -184,6 +187,10 @@ time(async () => {
     } else {
       fs.writeFileSync(outfile, result)
     }
+
+    // manually exit the process after done rendering because autoruns or
+    // something similar otherwise keeps the nodejs process alive xref
+    // https://github.com/GMOD/jb2export/issues/6
     process.exit(0)
   } catch (e) {
     console.error(e)