mirror of
https://github.com/denoland/deno.git
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A modern runtime for JavaScript and TypeScript.
https://deno.com/
3eb7a2a6d3
I was able to reproduce this locally.
```
[error] Failed to execute snippet:
import { validate } from "@std/uuid";
import { assert, assertFalse } from "@std/assert";
assert(validate("6ec0bd7f-11c0-43da-975e-2a8ad9ebae0b"));
assertFalse(validate("not a UUID"));
Download https://jsr.io/@std/uuid/meta.json
Download https://jsr.io/@std/uuid/1.0.0-rc.1_meta.json
Download https://jsr.io/@std/uuid/1.0.0-rc.1/mod.ts
Download https://jsr.io/@std/uuid/1.0.0-rc.1/common.ts
Download https://jsr.io/@std/uuid/1.0.0-rc.1/constants.ts
Download https://jsr.io/@std/uuid/1.0.0-rc.1/v1.ts
Download https://jsr.io/@std/uuid/1.0.0-rc.1/v3.ts
Download https://jsr.io/@std/uuid/1.0.0-rc.1/v4.ts
Download https://jsr.io/@std/uuid/1.0.0-rc.1/v5.ts
Download https://jsr.io/@std/uuid/1.0.0-rc.1/_common.ts
error: Access is denied. (os error 5) (for 'V:\.cache\deno\deps\https\jsr.io\2ae5bb614c7526d0876be0b76da1372fd51304ae27d6202ee94df720b3523d08')
at file:///V:/deno_std/uuid/common.ts:43
[error] Failed to execute snippet:
import { v5, NAMESPACE_DNS, NIL_UUID } from "@std/uuid";
import { assert, assertFalse } from "@std/assert";
const data = new TextEncoder().encode("deno.land");
const uuid = await v5.generate(NAMESPACE_DNS, data);
assert(v5.validate(uuid));
assertFalse(v5.validate(NIL_UUID));
Download https://jsr.io/@std/uuid/meta.json
Download https://jsr.io/@std/uuid/1.0.0-rc.1_meta.json
Download https://jsr.io/@std/uuid/1.0.0-rc.1/mod.ts
Download https://jsr.io/@std/uuid/1.0.0-rc.1/common.ts
Download https://jsr.io/@std/uuid/1.0.0-rc.1/constants.ts
Download https://jsr.io/@std/uuid/1.0.0-rc.1/v1.ts
Download https://jsr.io/@std/uuid/1.0.0-rc.1/v3.ts
Download https://jsr.io/@std/uuid/1.0.0-rc.1/v4.ts
Download https://jsr.io/@std/uuid/1.0.0-rc.1/v5.ts
Download https://jsr.io/@std/uuid/1.0.0-rc.1/_common.ts
error: Access is denied. (os error 5) (for 'V:\.cache\deno\deps\https\jsr.io\63dd818c5fc1ac39c04df9b42bd9dd4bbc07f7d1b174e405d003731125778da1')
at https://jsr.io/@std/uuid/1.0.0-rc.1/mod.ts:30:15
at file:///V:/deno_std/uuid/mod.ts:4
[error] Failed to execute snippet:
import { isNil } from "@std/uuid";
import { assert, assertFalse } from "@std/assert";
assert(isNil("00000000-0000-0000-0000-000000000000"));
assertFalse(isNil(crypto.randomUUID()));
Download https://jsr.io/@std/uuid/meta.json
Download https://jsr.io/@std/uuid/1.0.0-rc.1_meta.json
Download https://jsr.io/@std/uuid/1.0.0-rc.1/mod.ts
Download https://jsr.io/@std/uuid/1.0.0-rc.1/common.ts
Download https://jsr.io/@std/uuid/1.0.0-rc.1/constants.ts
Download https://jsr.io/@std/uuid/1.0.0-rc.1/v1.ts
Download https://jsr.io/@std/uuid/1.0.0-rc.1/v3.ts
Download https://jsr.io/@std/uuid/1.0.0-rc.1/v4.ts
Download https://jsr.io/@std/uuid/1.0.0-rc.1/v5.ts
Download https://jsr.io/@std/uuid/1.0.0-rc.1/_common.ts
error: Access is denied. (os error 5) (for 'V:\.cache\deno\deps\https\jsr.io\fd3a12fc091d16ee29f10fa7a05eeeb8bd6c3cc014642e72478c757f00e7261e')
at https://jsr.io/@std/uuid/1.0.0-rc.1/mod.ts:34:40
at file:///V:/deno_std/uuid/common.ts:23
[error] Failed to execute snippet:
import { version } from "@std/uuid";
import { assertEquals } from "@std/assert/assert-equals";
assertEquals(version("d9428888-122b-11e1-b85c-61cd3cbb3210"), 1);
assertEquals(version("6ec0bd7f-11c0-43da-975e-2a8ad9ebae0b"), 4);
Download https://jsr.io/@std/uuid/meta.json
Download https://jsr.io/@std/uuid/1.0.0-rc.1_meta.json
Download https://jsr.io/@std/uuid/1.0.0-rc.1/mod.ts
Download https://jsr.io/@std/uuid/1.0.0-rc.1/common.ts
Download https://jsr.io/@std/uuid/1.0.0-rc.1/constants.ts
Download https://jsr.io/@std/uuid/1.0.0-rc.1/v1.ts
Download https://jsr.io/@std/uuid/1.0.0-rc.1/v3.ts
Download https://jsr.io/@std/uuid/1.0.0-rc.1/v4.ts
Download https://jsr.io/@std/uuid/1.0.0-rc.1/v5.ts
Download https://jsr.io/@std/uuid/1.0.0-rc.1/_common.ts
error: Access is denied. (os error 5) (for 'V:\.cache\deno\deps\https\jsr.io\2ae5bb614c7526d0876be0b76da1372fd51304ae27d6202ee94df720b3523d08')
at file:///V:/deno_std/uuid/common.ts:66
4 errors found
```
It occurs when many Deno processes are writing to the deps cache at the
same time. Fix is to use `atomic_write_with_retries` which is much more
reliable (and the function that helped make the ecosystem tests more
reliable too). After this change I no longer have this issue.
Closes https://github.com/denoland/deno/issues/24073
|
||
|---|---|---|
| .cargo | ||
| .devcontainer | ||
| .github | ||
| bench_util | ||
| cli | ||
| ext | ||
| runtime | ||
| tests | ||
| tools | ||
| .dlint.json | ||
| .dprint.json | ||
| .editorconfig | ||
| .gitattributes | ||
| .gitignore | ||
| .gitmodules | ||
| .rustfmt.toml | ||
| Cargo.lock | ||
| Cargo.toml | ||
| LICENSE.md | ||
| README.md | ||
| Releases.md | ||
| rust-toolchain.toml | ||
Deno
Deno
(/ˈdiːnoʊ/, pronounced
dee-no) is a JavaScript, TypeScript, and WebAssembly runtime with secure
defaults and a great developer experience. It's built on V8,
Rust, and Tokio.
Learn more about the Deno runtime in the documentation.
Installation
Install the Deno runtime on your system using one of the commands below. Note that there are a number of ways to install Deno - a comprehensive list of installation options can be found here.
Shell (Mac, Linux):
curl -fsSL https://deno.land/install.sh | sh
PowerShell (Windows):
irm https://deno.land/install.ps1 | iex
Homebrew (Mac):
brew install deno
Chocolatey (Windows):
choco install deno
Build and install from source
Complete instructions for building Deno from source can be found in the manual here.
Your first Deno program
Deno can be used for many different applications, but is most commonly used to
build web servers. Create a file called server.ts and include the following
TypeScript code:
Deno.serve((_req: Request) => {
return new Response("Hello, world!");
});
Run your server with the following command:
deno run --allow-net server.ts
This should start a local web server on http://localhost:8000.
Learn more about writing and running Deno programs in the docs.
Additional resources
- Deno Docs: official guides and reference docs for the Deno runtime, Deno Deploy, and beyond.
- Deno Standard Library: officially supported common utilities for Deno programs.
- deno.land/x: registry for third-party Deno modules.
- Developer Blog: Product updates, tutorials, and more from the Deno team.
Contributing
We appreciate your help! To contribute, please read our contributing instructions.