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Add version flag to check jay version (#19) #25

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Add version flag to check jay version (#19) #25

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7 changes: 7 additions & 0 deletions readme.md
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Original file line number Diff line number Diff line change
Expand Up @@ -192,6 +192,13 @@ You can see the exact location of the cache by simply running the following line
> require('env-paths')('jay-repl').cache
```

## How to find out the jay version installed?

There is a cli flag `--version` that shows the jay version.

```bash
$ jay --version # jay version is 0.2.2
```

# Contributing

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5 changes: 5 additions & 0 deletions source/cli.ts
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Expand Up @@ -57,6 +57,11 @@ if (semver.lt(process.version, '10.0.0')) {
process.exit(1)
}

if (process.argv[2] === '--version') {
console.log(c.magenta(`jay version is ${packageJson.version}`))
process.exit()
}

updateNotifier({
pkg: packageJson
}).notify()
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