Parcel: @parcel/packager-js: Got unexpected null

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@parcel/packager-js: Got unexpected null

  Error: Got unexpected null

      at nullthrows 
  (/home/runner/work/webext-messenger/webext-messenger/node_modules/nullthrows/nullthrows.js:7:15)
      at 
  /home/runner/work/webext-messenger/webext-messenger/node_modules/@parcel/packager-js/lib/ScopeHoistingPackager.js:864:51
      at Array.every (<anonymous>)
      at 
  /home/runner/work/webext-messenger/webext-messenger/node_modules/@parcel/packager-js/lib/ScopeHoistingPackager.js:863:35
      at Array.filter (<anonymous>)
      at ScopeHoistingPackager.buildAssetPrelude 
  (/home/runner/work/webext-messenger/webext-messenger/node_modules/@parcel/packager-js/lib/ScopeHoistingPackager.js:853:60)
      at ScopeHoistingPackager.buildAsset 
  (/home/runner/work/webext-messenger/webext-messenger/node_modules/@parcel/packager-js/lib/ScopeHoistingPackager.js:404:48)
      at ScopeHoistingPackager.visitAsset 
  (/home/runner/work/webext-messenger/webext-messenger/node_modules/@parcel/packager-js/lib/ScopeHoistingPackager.js:359:17)
      at processAsset 
  (/home/runner/work/webext-messenger/webext-messenger/node_modules/@parcel/packager-js/lib/ScopeHoistingPackager.js:142:40)
      at ScopeHoistingPackager.package 
  (/home/runner/work/webext-messenger/webext-messenger/node_modules/@parcel/packager-js/lib/ScopeHoistingPackager.js:156:9)

Last occurrence

• https://github.com/pixiebrix/webext-messenger/pull/199

Report

• https://github.com/parcel-bundler/parcel/issues/9071

Fix

-    "demo:build": "parcel build --no-cache",
+    "demo:build": "parcel build --no-cache --no-scope-hoist",