Skip to main content
Products
Open Source
Deno
Modern runtime for JavaScript and TypeScript
Fresh
Web framework designed for the edge
JSR
TypeScript-first ESM package registry
Cloud
Deploy
Easy serverless hosting for your JavaScript projects
Subhosting
Securely run untrusted code in a scalable sandbox
Pricing
Starts free and scales with your needs
Docs
Manual
API Reference
Deno Deploy
Deno KV
Deno by Example
Modules
deno.land/x
Current path
Standard Library
Node.js & npm
JSR
Blog
Search…
⌘K
Module
std
/
io
/
util.ts
>
Reader
Deno standard library
denoland/deno_std
Version
0.224.0
0.223.0
0.222.1
0.222.0
0.221.0
0.220.1
0.220.0
0.219.1
0.219.0
0.218.2
0.218.0
0.217.0
0.216.0
0.215.0
0.214.0
0.213.0
0.212.0
0.211.0
0.210.0
0.209.0
0.208.0
0.207.0
0.206.0
0.205.0
0.204.0
0.203.0
0.202.0
0.201.0
0.200.0
0.199.0
0.198.0
0.197.0
0.196.0
0.195.0
0.194.0
0.193.0
0.192.0
0.191.0
0.190.0
0.177.1
0.189.0
0.188.0
0.187.0
0.186.0
0.185.0
0.184.0
0.183.0
0.182.0
0.181.0
0.180.0
0.179.0
0.178.0
0.177.0
0.176.0
0.175.0
0.174.0
0.173.0
0.172.0
0.171.0
0.170.0
0.169.0
0.168.0
0.167.0
0.166.0
0.165.0
0.164.0
0.163.0
0.162.0
0.161.0
0.160.0
0.159.0
0.158.0
0.157.0
0.156.0
0.155.0
0.154.0
0.153.0
0.152.0
0.151.0
0.150.0
0.149.0
0.148.0
0.147.0
0.146.0
0.145.0
0.144.0
0.143.0
0.142.0
0.141.0
0.140.0
0.139.0
0.138.0
0.137.0
0.136.0
0.135.0
0.134.0
0.133.0
0.132.0
0.131.0
0.130.0
0.129.0
0.128.0
0.127.0
0.126.0
0.125.0
0.124.0
0.123.0
0.122.0
0.121.0
0.120.0
0.119.0
0.118.0
0.117.0
0.116.0
0.115.1
0.115.0
0.114.0
0.113.0
0.112.0
0.111.0
0.110.0
0.109.0
0.108.0
0.107.0
0.106.0
0.105.0
0.104.0
0.103.0
0.102.0
0.101.0
0.100.0
0.99.0
0.98.0
0.97.0
0.96.0
0.95.0
0.94.0
0.93.0
0.92.0
0.91.0
0.90.0
0.89.0
0.88.0
0.87.0
0.86.0
0.85.0
0.84.0
0.83.0
0.82.0
0.81.0
0.80.0
0.79.0
0.78.0
0.77.0
0.76.0
0.75.0
0.74.0
0.73.0
0.72.0
0.71.0
0.70.0
0.69.0
0.68.0
0.67.0
0.66.0
0.65.0
0.64.0
0.63.0
0.62.0
0.61.0
0.60.0
0.59.0
0.58.0
0.57.0
0.56.0
0.55.0
0.54.0
0.53.0
0.52.0
0.51.0
0.50.0
0.42.0
0.41.0
0.40.0
0.39.0
0.38.0
0.37.0
0.36.0
0.35.0
0.34.0
Go to Latest
Menu
mod.ts
(default module)
c
Buffer
c
BufferFullError
c
BufReader
c
BufWriter
c
BufWriterSync
c
LimitedReader
c
MultiReader
c
PartialReadError
c
StringReader
c
StringWriter
I
ReadLineResult
T
ReadableStreamFromReaderOptions
T
WritableStreamFromWriterOptions
v
copy
v
iterateReader
v
iterateReaderSync
v
readableStreamFromIterable
v
readableStreamFromReader
v
readAll
v
readAllSync
v
readerFromIterable
v
readerFromStreamReader
v
writableStreamFromWriter
v
writeAll
v
writeAllSync
v
writerFromStreamWriter
f
copyN
f
readDelim
f
readInt
f
readLines
f
readLong
f
readShort
f
readStringDelim
f
sliceLongToBytes
buffer.ts
c
Buffer
c
BufferFullError
c
BufReader
c
BufWriter
c
BufWriterSync
c
PartialReadError
I
ReadLineResult
f
readDelim
f
readLines
f
readStringDelim
bufio.ts
T
ReadLineResult
v
BufferFullError
v
BufReader
v
BufWriter
v
BufWriterSync
v
PartialReadError
v
readDelim
v
readLines
v
readStringDelim
files.ts
I
ByteRange
f
readRange
f
readRangeSync
ioutil.ts
v
copyN
v
readInt
v
readLong
v
readShort
v
sliceLongToBytes
readers.ts
c
LimitedReader
c
MultiReader
c
StringReader
streams.ts
T
ReadableStreamFromReaderOptions
T
WritableStreamFromWriterOptions
v
copy
v
iterateReader
v
iterateReaderSync
v
readableStreamFromIterable
v
readableStreamFromReader
v
readAll
v
readAllSync
v
readerFromIterable
v
readerFromStreamReader
v
writableStreamFromWriter
v
writeAll
v
writeAllSync
v
writerFromStreamWriter
types.d.ts
I
Closer
I
Reader
I
ReaderSync
I
Writer
I
WriterSync
util.ts
v
copy
v
iter
v
iterSync
v
readAll
v
readAllSync
v
readRange
v
readRangeSync
v
writeAll
v
writeAllSync
f
copyN
f
readInt
f
readLong
f
readShort
f
sliceLongToBytes
writers.ts
c
StringWriter