while bundling the javascript code, the serialport import is not getting resolved

[karanwilson]

While bundling the javascript code with 'bench build' in frappe framework (uses yarn and rollup), the serialport import is not getting resolved:-

UNRESOLVED_IMPORT : 'stream' is imported by ../posawesome/node_modules/serialport/node_modules/@serialport/parser-byte-length/dist/index.js, but could not be resolved – treating it as an external dependency
Cannot find some dependencies. You may have to run "bench setup requirements" to install them.

UNRESOLVED_IMPORT : 'stream' is imported by commonjs-external:stream, but could not be resolved – treating it as an external dependency
Cannot find some dependencies. You may have to run "bench setup requirements" to install them.

UNRESOLVED_IMPORT : 'stream' is imported by ../posawesome/node_modules/serialport/node_modules/@serialport/parser-cctalk/dist/index.js, but could not be resolved – treating it as an external dependency
Cannot find some dependencies. You may have to run "bench setup requirements" to install them.

UNRESOLVED_IMPORT : 'stream' is imported by ../posawesome/node_modules/serialport/node_modules/@serialport/parser-delimiter/dist/index.js, but could not be resolved – treating it as an external dependency
Cannot find some dependencies. You may have to run "bench setup requirements" to install them.

UNRESOLVED_IMPORT : 'stream' is imported by ../posawesome/node_modules/serialport/node_modules/@serialport/parser-inter-byte-timeout/dist/index.js, but could not be resolved – treating it as an external dependency
Cannot find some dependencies. You may have to run "bench setup requirements" to install them.

UNRESOLVED_IMPORT : 'stream' is imported by ../posawesome/node_modules/serialport/node_modules/@serialport/parser-packet-length/dist/index.js, but could not be resolved – treating it as an external dependency
Cannot find some dependencies. You may have to run "bench setup requirements" to install them.

UNRESOLVED_IMPORT : 'stream' is imported by ../posawesome/node_modules/serialport/node_modules/@serialport/parser-ready/dist/index.js, but could not be resolved – treating it as an external dependency
Cannot find some dependencies. You may have to run "bench setup requirements" to install them.

UNRESOLVED_IMPORT : 'stream' is imported by ../posawesome/node_modules/serialport/node_modules/@serialport/parser-regex/dist/index.js, but could not be resolved – treating it as an external dependency
Cannot find some dependencies. You may have to run "bench setup requirements" to install them.

UNRESOLVED_IMPORT : 'stream' is imported by ../posawesome/node_modules/serialport/node_modules/@serialport/parser-slip-encoder/dist/decoder.js, but could not be resolved – treating it as an external dependency
Cannot find some dependencies. You may have to run "bench setup requirements" to install them.

UNRESOLVED_IMPORT : 'stream' is imported by ../posawesome/node_modules/serialport/node_modules/@serialport/parser-slip-encoder/dist/encoder.js, but could not be resolved – treating it as an external dependency
Cannot find some dependencies. You may have to run "bench setup requirements" to install them.

UNRESOLVED_IMPORT : 'stream' is imported by ../posawesome/node_modules/serialport/node_modules/@serialport/parser-spacepacket/dist/index.js, but could not be resolved – treating it as an external dependency
Cannot find some dependencies. You may have to run "bench setup requirements" to install them.

UNRESOLVED_IMPORT : 'stream' is imported by ../posawesome/node_modules/serialport/node_modules/@serialport/stream/dist/index.js, but could not be resolved – treating it as an external dependency
Cannot find some dependencies. You may have to run "bench setup requirements" to install them.

SyntaxError: Unexpected token (52:14) in /home/erpnext/frappe-bench/apps/posawesome/node_modules/serialport/node_modules/@serialport/binding-mock/dist/index.js
✔ Built js/posapp.min.js
✨ Done in 2.022s
UNRESOLVED_IMPORT : 'tty' is imported by ../posawesome/node_modules/serialport/node_modules/debug/src/node.js, but could not be resolved – treating it as an external dependency
Cannot find some dependencies. You may have to run "bench setup requirements" to install them.

UNRESOLVED_IMPORT : 'util' is imported by ../posawesome/node_modules/serialport/node_modules/debug/src/node.js, but could not be resolved – treating it as an external dependency
Cannot find some dependencies. You may have to run "bench setup requirements" to install them.

UNRESOLVED_IMPORT : 'tty' is imported by commonjs-external:tty, but could not be resolved – treating it as an external dependency
Cannot find some dependencies. You may have to run "bench setup requirements" to install them.

UNRESOLVED_IMPORT : 'util' is imported by commonjs-external:util, but could not be resolved – treating it as an external dependency
Cannot find some dependencies. You may have to run "bench setup requirements" to install them.

UNRESOLVED_IMPORT : 'os' is imported by node_modules/supports-color/index.js, but could not be resolved – treating it as an external dependency
Cannot find some dependencies. You may have to run "bench setup requirements" to install them.

UNRESOLVED_IMPORT : 'os' is imported by commonjs-external:os, but could not be resolved – treating it as an external dependency
Cannot find some dependencies. You may have to run "bench setup requirements" to install them.

UNRESOLVED_IMPORT : ' parser-readline' is imported by ../posawesome/posawesome/public/js/posapp/components/pos/ItemsSelector.vue?rollup-plugin-vue=script.js, but could not be resolved – treating it as an external dependency
Cannot find some dependencies. You may have to run "bench setup requirements" to install them.

Any help with this would be hugely appreciated.

[karanwilson]

I'm sorry; I wasn't aware that Serial Port cannot be used in a browser app.