# Caver-js-ext-kas 에서 TypeError: os.type is not a function 오류

**URL:** <https://devforum.kaia.io/t/caver-js-ext-kas-typeerror-os-type-is-not-a-function/4130>\
**Category:** KAS (아카이브)\
**Created:** [3월 1, 2022, 12:32오전 UTC](https://devforum.kaia.io/t/caver-js-ext-kas-typeerror-os-type-is-not-a-function/4130 "2022-03-01T00:32:00Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![margintop3498](https://yyz1.discourse-cdn.com/flex035/user_avatar/devforum.kaia.io/margintop3498/32/1750_2.png) [@margintop3498](https://devforum.kaia.io/u/margintop3498)\
**Post date:** [3월 1, 2022, 9:41오전 UTC](https://devforum.kaia.io/t/caver-js-ext-kas-typeerror-os-type-is-not-a-function/4130/2 "2022-03-01T09:41:03Z")

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안녕하세요

> <https://github.com/klaytn/caver-js/blob/afa6b848511ab1845c76034984c5f9a16c0433ea/webpack.config.js>

해당 설정 확인부탁드립니다

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