42 lines
1.1 KiB
Markdown
42 lines
1.1 KiB
Markdown
---
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name: 💥 v7 Regression
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about: Report an unexpected behavior in v7 from v6 (Check the upgrade guide first ✌️)
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---
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# v7 Regression
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> First check out: https://new.babeljs.io/docs/en/next/v7-migration.html
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> Also a partial upgrade tool: https://github.com/babel/babel-upgrade
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**Potential Commit/PR that introduced the regression**
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If you have time to investigate, what PR/date introduced this issue.
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**Describe the regression**
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A clear and concise description of what the regression is.
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**Input Code**
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<!--- If you have link to our REPL or a standalone repo please link that! -->
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```js
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var your => (code) => here;
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```
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**Babel Configuration (.babelrc, package.json, cli command)**
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```js
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{
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"your": { "config": "here" }
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}
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```
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**Expected behavior/code**
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A clear and concise description of what you expected to happen (or code).
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**Environment**
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- Babel version(s): [e.g. v6.0.0, v7.0.0-beta.34]
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- Node/npm version: [e.g. Node 8/npm 5]
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- OS: [e.g. OSX 10.13.4, Windows 10]
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- Monorepo [e.g. yes/no/Lerna]
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- How you are using Babel: [e.g. `cli`, `register`, `loader`]
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