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Deno Standard Library
High-quality APIs for Deno and the web. Use fearlessly.
Get Started
import { copy } from "https://deno.land/[email protected]/fs/copy.ts";
await copy("./foo", "./bar");
See here for recommended usage patterns.
Documentation
Check out the documentation here.
Recommended Usage
Include the version of the library in the import specifier.
Good:
import { copy } from "https://deno.land/[email protected]/fs/copy.ts";
Only import modules that you require.
Bad (when using only one function):
import * as fs from "https://deno.land/[email protected]/fs/mod.ts";
Good (when using only one function):
import { copy } from "https://deno.land/[email protected]/fs/copy.ts";
Good (when using multiple functions):
import * as fs from "https://deno.land/[email protected]/fs/mod.ts";
Do not import symbols with an underscore in the name.
Bad:
import { _format } from "https://deno.land/[email protected]/path/_common/format.ts";
Do not import modules with an underscore in the path.
Bad:
import { filterInPlace } from "https://deno.land/[email protected]/collections/_utils.ts";
Do not import test modules or test data.
Bad:
import { test } from "https://deno.land/[email protected]/front_matter/test.ts";
Stability
Sub-module | Status |
---|---|
archive | Unstable |
assert | Stable |
async | Stable |
bytes | Stable |
collections | Stable |
console | Unstable |
csv | Stable |
datetime | Unstable |
dotenv | Unstable |
encoding | Unstable |
flags | Unstable |
fmt | Stable |
front_matter | Unstable |
fs | Stable |
html | Unstable |
http | Unstable |
io | Deprecated |
json | Stable |
jsonc | Stable |
log | Unstable |
media_types | Stable |
msgpack | Unstable |
path | Unstable |
permissions | Deprecated |
regexp | Unstable |
semver | Unstable |
signal | Deprecated |
streams | Unstable |
testing | Stable |
toml | Stable |
ulid | Unstable |
url | Unstable |
uuid | Stable |
wasi | Deprecated |
yaml | Stable |
For background and discussions regarding the stability of the following sub-modules, see #3489.
Contributing
Check out the contributing guidelines here.
Releases
The Standard Library is versioned independently of the Deno CLI. This will change once the Standard Library is stabilized. See here for the compatibility of different versions of the Deno Standard Library and the Deno CLI.