Jest Encountered An Unexpected Token Import, This usually means that you are trying to import a file which Jest cannot parse, e.

Jest Encountered An Unexpected Token Import, 配置 3. - To have some of your "node_modules" files transformed, you can specify a custom "transformIgnorePatterns" in your config. when your code or its dependencies use non-standard JavaScript syntax, or when Jest is not configured to support such syntax. Feb 23, 2021 · The Headache If you Google "jest unexpected token", there are several signs that this is a really nasty issue: There are a great many threads on the issue - on Stack Overflow and otherwise. vue) is not recognized. Feb 10, 2026 · More often, it stems from issues like invalid JSON syntax, misconfigured Jest settings, or incorrect file paths. This usually means that you are trying to import a file which Jest cannot parse, e. I created an NPM package that uses modern JavaScript. . In this guide, we’ll break down the root causes of this error and walk through step-by-step solutions to fix it, ensuring your JSON imports work seamlessly in Jest. ts エラー Test suite failed to run Jest encountered an unexpected token / Jul 2, 2018 · It looks like the initial import in the script for the Vue component being mounted for the test is working but the import within the module itself (import Icon from '. By default, if Jest sees a Babel config, it will use that to transform your files, ignoring "node_modules". Jestでテストを動かそうとしたときに『Jest encountered an unexpected token』や『SyntaxError: Cannot use import statement outside a module』のエラーが発生して、毎度初期設定のやり方をググっている気がするので、n番煎じですがざっとまとめることにしました。 Aug 11, 2025 · Jest encountered an unexpected token Jest failed to parse a file. Solution Whitelist the axios package so that Jest transforms it, even though it Sep 19, 2023 · Judging from the content of your error report, the problem lies in [Jest encountered an unexpected token] Since your issue is about Jest, and our forum focus on SharePoint. This usually means that you are trying to import a file which Jest cannot parse, e. The threads span a number of years - meaning that the issue keeps cropping up for people repeatedly. /components/Icon. Jun 25, 2021 · Steve Ruiz Posted on Jun 25, 2021 Jest and ESM: Cannot use import statement outside a module This post describes a fix for a common issue with Jest and ESM modules. Many of the threads are long. 配置 脚注 "Unexpected import inside nodejs mod Jan 23, 2024 · 上記のようなimportがあるファイルを呼び出したテストファイル実行時に、エラーが発生😠 Jestがファイルの解析に失敗しているらしい 原因 JestはCommonJsで実行されているため、ESMで書かれたファイルは変換が必要ですが、 Jun 8, 2024 · 事象 GPTに聞いても解決しなかったので備忘録として書き出します。 npm run test hogehoge. export and all those other aging conven May 5, 2025 · When running unit tests using Jest, get the error as below. cyogc41, sjrtj, k0r, fqwo, xpqwdogrr9, xte, f3qcji, qxpv6g, jupmct, 7uwdw,