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3,506 symbols
11,844 edges
1,231 files
643 documented · 18%
● updated 3d agorelease-2026.07.03 · 2026-07-03★ 3,547235 open issues
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README
Deno Standard Library
High-quality APIs for Deno and the web. Use fearlessly.
[!IMPORTANT] Newer versions of the Standard Library are now hosted on JSR. Older versions up till 0.224.0 are still available at deno.land/std.
Resources
- Package list
- Architecture guide
- Design documentation
- Contributing guidelines
- Frequently asked questions (FAQ)
- Test coverage explorer
Releases
Package versions >=1.0.0 follow Semantic Versioning, and package versions <1.0.0 follow this proposal.
Badge
[!NOTE] Previously, this repo hosted the badge SVG file. Now, the badge is retrieved directly from Shields.io.
<a href="https://jsr.io/@std">
<img
width="135"
height="20"
src="https://img.shields.io/badge/Built_with_std-black?logo=deno"
alt="Built with the Deno Standard Library"
/>
</a>
[](https://jsr.io/@std)
Extension points exported contracts — how you extend this code
Reader (Interface)(no doc) [9 implementers]
io/types.ts
ParserState (Interface)
Parser state holding input string and current position.
http/unstable_structured_fields.ts
Node (Interface)
Internal node for the FIFO waiting queue.
async/unstable_semaphore.ts
SenderNode (Interface)
Internal node for the FIFO sender waiting queue.
async/channel.ts
XmlToken (Interface)
Token type for testing - recreates the old token structure for assertions.
xml/_tokenizer_test.ts
XmlTokenizerOptions (Interface)
Options for the XML tokenizer.
xml/_tokenizer.ts
XmlTokenCallbacks (Interface)
(no doc) [2 implementers]
xml/types.ts
XmlEvent (Interface)
Event type for testing - recreates event structure for assertions.
xml/_parser_test.ts
Core symbols most depended-on inside this repo
assertEqualscalled by 8429
assert/equals.ts
assertThrows
called by 1498
assert/throws.ts
assert
called by 1098
assert/assert.ts
push
called by 875
data_structures/binary_heap.ts
step
called by 563
random/_pcg32.ts
expect
called by 518
expect/expect.ts
slice
called by 441
toml/_parser.ts
assertRejects
called by 428
assert/rejects.ts
Shape
Languages
TypeScript100%
Modules by API surface
http/unstable_structured_fields.ts62 symbols
toml/_parser.ts57 symbols
fmt/colors.ts53 symbols
expect/_types.ts52 symbols
yaml/_loader_state.ts47 symbols
expect/_matchers.ts41 symbols
xml/types.ts40 symbols
expect/_asymmetric_matchers.ts40 symbols
testing/time.ts39 symbols
data_structures/deque.ts35 symbols
xml/_tokenizer.ts34 symbols
testing/mock.ts34 symbols
Dependencies from manifests, versioned
@deno/shim-deno-test0.5.0 · 1×