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32 lines
1.3 KiB
Markdown
32 lines
1.3 KiB
Markdown
## Stability
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As of Deno 1.0.0, the `Deno` namespace APIs are stable. That means we will
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strive to make code working under 1.0.0 continue to work in future versions.
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However, not all of Deno's features are ready for production yet. Features which
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are not ready, because they are still in draft phase, are locked behind the
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`--unstable` command line flag.
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```shell
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deno run --unstable mod_which_uses_unstable_stuff.ts
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```
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Passing this flag does a few things:
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- It enables the use of unstable APIs during runtime.
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- It adds the
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[`lib.deno.unstable.d.ts`](https://doc.deno.land/https/raw.githubusercontent.com/denoland/deno/master/cli/dts/lib.deno.unstable.d.ts)
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file to the list of TypeScript definitions that are used for type checking.
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This includes the output of `deno types`.
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You should be aware that many unstable APIs have **not undergone a security
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review**, are likely to have **breaking API changes** in the future, and are
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**not ready for production**.
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### Standard modules
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Deno's standard modules (https://deno.land/std/) are not yet stable. We
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currently version the standard modules differently from the CLI to reflect this.
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Note that unlike the `Deno` namespace, the use of the standard modules do not
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require the `--unstable` flag (unless the standard module itself makes use of an
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unstable Deno feature).
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