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Handle case where ky responses have no body with a getter for a ReadableStream #1224

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Handle case where ky responses have no body with a getter for a ReadableStream #1224

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f0d4016
Handling case where res.body is undefined
pcowgill Jan 22, 2020
37b7d27
Fix tests, add test, rename to async iterable, fix addFromURL
pcowgill Jan 22, 2020
3ee0016
Added local editor config dir to .gitignore
pcowgill Jan 22, 2020
74c286e
Handling case where body and arrayBuffer both are not defined
pcowgill Jan 22, 2020
528a0b9
Reverting whitespace changes
pcowgill Jan 22, 2020
4ea0b03
Reverting more automatic style changes
pcowgill Jan 22, 2020
02b6269
Reverting paren change for single param arrow function
pcowgill Jan 22, 2020
4819f0e
Reverting generator function style change
pcowgill Jan 22, 2020
7a0d504
Fixed linting errors
pcowgill Jan 22, 2020
5fffc22
Merge branch 'master' into feature/handle-no-response-body
pcowgill Jan 28, 2020
2508489
Augmenting the behavior of stream-to-it/source
pcowgill Jan 28, 2020
6585971
Fixed relative imports
pcowgill Jan 29, 2020
843a97e
Fixed test failures
pcowgill Jan 29, 2020
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8 changes: 4 additions & 4 deletions src/add-from-url.js
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Original file line number Diff line number Diff line change
@@ -1,19 +1,19 @@
'use strict'

const kyDefault = require('ky-universal').default
const toIterable = require('./lib/stream-to-iterable')
const toAsyncIterable = require('./lib/stream-to-async-iterable')

module.exports = (config) => {
module.exports = config => {
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const add = require('./add')(config)

return async function * addFromURL (url, options) {
options = options || {}

const { body } = await kyDefault.get(url)
const res = await kyDefault.get(url)

const input = {
path: decodeURIComponent(new URL(url).pathname.split('/').pop() || ''),
content: toIterable(body)
content: toAsyncIterable(res)
}

yield * add(input, options)
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33 changes: 24 additions & 9 deletions src/add/index.js
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Expand Up @@ -2,7 +2,7 @@

const ndjson = require('iterable-ndjson')
const configure = require('../lib/configure')
const toIterable = require('../lib/stream-to-iterable')
const toAsyncIterable = require('../lib/stream-to-async-iterable')
const { toFormData } = require('./form-data')
const toCamel = require('../lib/object-to-camel')

Expand All @@ -16,21 +16,36 @@ module.exports = configure(({ ky }) => {
if (options.chunker) searchParams.set('chunker', options.chunker)
if (options.cidVersion) searchParams.set('cid-version', options.cidVersion)
if (options.cidBase) searchParams.set('cid-base', options.cidBase)
if (options.enableShardingExperiment != null) searchParams.set('enable-sharding-experiment', options.enableShardingExperiment)
if (options.enableShardingExperiment != null) {
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Were these changes necessary? I personally like curly brackets around if statement bodies, even one liners, but this has made everything inconsistent and is outside the scope of the intended change.

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No, they weren't necessary. They happened due to the default code styling settings I have globally in VS Code. If this style is important and gates PR merging, though, we should modify the linter settings to throw a warning or an error with this style. Ideally, we would get aegir lint --fix to automatically resolve such warnings/errors too, which may happen out of the box when we enable the warning. I'll open an issue for this.

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Just opened the issue #1225

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I've disabled the Prettier and JavaScript Standard Style extensions for this workspace locally in VS Code so that automatic linting changes won't make it into a PR against this repo next time, but I still think the linting settings change is worth making to make it simpler for others to make PRs in the future.

searchParams.set(
'enable-sharding-experiment',
options.enableShardingExperiment
)
}
if (options.hashAlg) searchParams.set('hash', options.hashAlg)
if (options.onlyHash != null) searchParams.set('only-hash', options.onlyHash)
if (options.onlyHash != null) { searchParams.set('only-hash', options.onlyHash) }
if (options.pin != null) searchParams.set('pin', options.pin)
if (options.progress) searchParams.set('progress', true)
if (options.quiet != null) searchParams.set('quiet', options.quiet)
if (options.quieter != null) searchParams.set('quieter', options.quieter)
if (options.rawLeaves != null) searchParams.set('raw-leaves', options.rawLeaves)
if (options.shardSplitThreshold) searchParams.set('shard-split-threshold', options.shardSplitThreshold)
if (options.rawLeaves != null) { searchParams.set('raw-leaves', options.rawLeaves) }
if (options.shardSplitThreshold) { searchParams.set('shard-split-threshold', options.shardSplitThreshold) }
if (options.silent) searchParams.set('silent', options.silent)
if (options.trickle != null) searchParams.set('trickle', options.trickle)
if (options.wrapWithDirectory != null) searchParams.set('wrap-with-directory', options.wrapWithDirectory)
if (options.wrapWithDirectory != null) { searchParams.set('wrap-with-directory', options.wrapWithDirectory) }
if (options.preload != null) searchParams.set('preload', options.preload)
if (options.fileImportConcurrency != null) searchParams.set('file-import-concurrency', options.fileImportConcurrency)
if (options.blockWriteConcurrency != null) searchParams.set('block-write-concurrency', options.blockWriteConcurrency)
if (options.fileImportConcurrency != null) {
searchParams.set(
'file-import-concurrency',
options.fileImportConcurrency
)
}
if (options.blockWriteConcurrency != null) {
searchParams.set(
'block-write-concurrency',
options.blockWriteConcurrency
)
}

const res = await ky.post('add', {
timeout: options.timeout,
Expand All @@ -40,7 +55,7 @@ module.exports = configure(({ ky }) => {
body: await toFormData(input)
})

for await (let file of ndjson(toIterable(res.body))) {
for await (let file of ndjson(toAsyncIterable(res))) {
file = toCamel(file)
// console.log(file)
if (options.progress && file.bytes) {
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4 changes: 2 additions & 2 deletions src/block/rm-async-iterator.js
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Expand Up @@ -3,7 +3,7 @@
const CID = require('cids')
const ndjson = require('iterable-ndjson')
const configure = require('../lib/configure')
const toIterable = require('../lib/stream-to-iterable')
const toAsyncIterable = require('../lib/stream-to-async-iterable')
const toCamel = require('../lib/object-to-camel')

module.exports = configure(({ ky }) => {
Expand All @@ -30,7 +30,7 @@ module.exports = configure(({ ky }) => {
searchParams
})

for await (const removed of ndjson(toIterable(res.body))) {
for await (const removed of ndjson(toAsyncIterable(res))) {
yield toCamel(removed)
}
}
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4 changes: 2 additions & 2 deletions src/cat.js
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Expand Up @@ -3,7 +3,7 @@
const CID = require('cids')
const { Buffer } = require('buffer')
const configure = require('./lib/configure')
const toIterable = require('./lib/stream-to-iterable')
const toAsyncIterable = require('./lib/stream-to-async-iterable')

module.exports = configure(({ ky }) => {
return async function * cat (path, options) {
Expand All @@ -27,7 +27,7 @@ module.exports = configure(({ ky }) => {
searchParams
})

for await (const chunk of toIterable(res.body)) {
for await (const chunk of toAsyncIterable(res)) {
yield Buffer.from(chunk)
}
}
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4 changes: 2 additions & 2 deletions src/dht/find-peer.js
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Expand Up @@ -5,7 +5,7 @@ const PeerInfo = require('peer-info')
const multiaddr = require('multiaddr')
const ndjson = require('iterable-ndjson')
const configure = require('../lib/configure')
const toIterable = require('../lib/stream-to-iterable')
const toAsyncIterable = require('../lib/stream-to-async-iterable')

module.exports = configure(({ ky }) => {
return async function * findPeer (peerId, options) {
Expand All @@ -22,7 +22,7 @@ module.exports = configure(({ ky }) => {
searchParams
})

for await (const message of ndjson(toIterable(res.body))) {
for await (const message of ndjson(toAsyncIterable(res))) {
// 2 = FinalPeer
// https://github.com/libp2p/go-libp2p-core/blob/6e566d10f4a5447317a66d64c7459954b969bdab/routing/query.go#L18
if (message.Type === 2 && message.Responses) {
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6 changes: 3 additions & 3 deletions src/dht/find-provs.js
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Expand Up @@ -5,15 +5,15 @@ const PeerInfo = require('peer-info')
const multiaddr = require('multiaddr')
const ndjson = require('iterable-ndjson')
const configure = require('../lib/configure')
const toIterable = require('../lib/stream-to-iterable')
const toAsyncIterable = require('../lib/stream-to-async-iterable')

module.exports = configure(({ ky }) => {
return async function * findProvs (cid, options) {
options = options || {}

const searchParams = new URLSearchParams(options.searchParams)
searchParams.set('arg', `${cid}`)
if (options.numProviders) searchParams.set('num-providers', options.numProviders)
if (options.numProviders) { searchParams.set('num-providers', options.numProviders) }
if (options.verbose != null) searchParams.set('verbose', options.verbose)

const res = await ky.post('dht/findprovs', {
Expand All @@ -23,7 +23,7 @@ module.exports = configure(({ ky }) => {
searchParams
})

for await (const message of ndjson(toIterable(res.body))) {
for await (const message of ndjson(toAsyncIterable(res))) {
// 4 = Provider
// https://github.com/libp2p/go-libp2p-core/blob/6e566d10f4a5447317a66d64c7459954b969bdab/routing/query.go#L20
if (message.Type === 4 && message.Responses) {
Expand Down
4 changes: 2 additions & 2 deletions src/dht/get.js
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Expand Up @@ -2,7 +2,7 @@

const ndjson = require('iterable-ndjson')
const configure = require('../lib/configure')
const toIterable = require('../lib/stream-to-iterable')
const toAsyncIterable = require('../lib/stream-to-async-iterable')

module.exports = configure(({ ky }) => {
return async function * get (key, options) {
Expand All @@ -19,7 +19,7 @@ module.exports = configure(({ ky }) => {
searchParams
})

for await (const message of ndjson(toIterable(res.body))) {
for await (const message of ndjson(toAsyncIterable(res))) {
// 5 = Value
// https://github.com/libp2p/go-libp2p-core/blob/6e566d10f4a5447317a66d64c7459954b969bdab/routing/query.go#L21
if (message.Type === 5) {
Expand Down
6 changes: 3 additions & 3 deletions src/dht/provide.js
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Expand Up @@ -5,7 +5,7 @@ const PeerInfo = require('peer-info')
const multiaddr = require('multiaddr')
const ndjson = require('iterable-ndjson')
const configure = require('../lib/configure')
const toIterable = require('../lib/stream-to-iterable')
const toAsyncIterable = require('../lib/stream-to-async-iterable')
const toCamel = require('../lib/object-to-camel')

module.exports = configure(({ ky }) => {
Expand All @@ -15,7 +15,7 @@ module.exports = configure(({ ky }) => {

const searchParams = new URLSearchParams(options.searchParams)
cids.forEach(cid => searchParams.append('arg', `${cid}`))
if (options.recursive != null) searchParams.set('recursive', options.recursive)
if (options.recursive != null) { searchParams.set('recursive', options.recursive) }
if (options.verbose != null) searchParams.set('verbose', options.verbose)

const res = await ky.post('dht/provide', {
Expand All @@ -25,7 +25,7 @@ module.exports = configure(({ ky }) => {
searchParams
})

for await (let message of ndjson(toIterable(res.body))) {
for await (let message of ndjson(toAsyncIterable(res))) {
message = toCamel(message)
if (message.responses) {
message.responses = message.responses.map(({ ID, Addrs }) => {
Expand Down
12 changes: 8 additions & 4 deletions src/dht/put.js
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Expand Up @@ -5,7 +5,7 @@ const PeerInfo = require('peer-info')
const multiaddr = require('multiaddr')
const ndjson = require('iterable-ndjson')
const configure = require('../lib/configure')
const toIterable = require('../lib/stream-to-iterable')
const toAsyncIterable = require('../lib/stream-to-async-iterable')
const encodeBufferURIComponent = require('../lib/encode-buffer-uri-component')
const toCamel = require('../lib/object-to-camel')

Expand All @@ -16,8 +16,12 @@ module.exports = configure(({ ky }) => {
const searchParams = new URLSearchParams(options.searchParams)
if (options.verbose != null) searchParams.set('verbose', options.verbose)

key = Buffer.isBuffer(key) ? encodeBufferURIComponent(key) : encodeURIComponent(key)
value = Buffer.isBuffer(value) ? encodeBufferURIComponent(value) : encodeURIComponent(value)
key = Buffer.isBuffer(key)
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? encodeBufferURIComponent(key)
: encodeURIComponent(key)
value = Buffer.isBuffer(value)
? encodeBufferURIComponent(value)
: encodeURIComponent(value)

const url = `dht/put?arg=${key}&arg=${value}&${searchParams}`
const res = await ky.post(url, {
Expand All @@ -26,7 +30,7 @@ module.exports = configure(({ ky }) => {
headers: options.headers
})

for await (let message of ndjson(toIterable(res.body))) {
for await (let message of ndjson(toAsyncIterable(res))) {
message = toCamel(message)
if (message.responses) {
message.responses = message.responses.map(({ ID, Addrs }) => {
Expand Down
4 changes: 2 additions & 2 deletions src/dht/query.js
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Expand Up @@ -4,7 +4,7 @@ const PeerId = require('peer-id')
const PeerInfo = require('peer-info')
const ndjson = require('iterable-ndjson')
const configure = require('../lib/configure')
const toIterable = require('../lib/stream-to-iterable')
const toAsyncIterable = require('../lib/stream-to-async-iterable')

module.exports = configure(({ ky }) => {
return async function * query (peerId, options) {
Expand All @@ -21,7 +21,7 @@ module.exports = configure(({ ky }) => {
searchParams
})

for await (const message of ndjson(toIterable(res.body))) {
for await (const message of ndjson(toAsyncIterable(res))) {
yield new PeerInfo(PeerId.createFromB58String(message.ID))
}
}
Expand Down
4 changes: 2 additions & 2 deletions src/files/ls.js
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Expand Up @@ -2,7 +2,7 @@

const CID = require('cids')
const ndjson = require('iterable-ndjson')
const toIterable = require('../lib/stream-to-iterable')
const toAsyncIterable = require('../lib/stream-to-async-iterable')
const configure = require('../lib/configure')
const toCamelWithMetadata = require('../lib/object-to-camel-with-metadata')

Expand All @@ -28,7 +28,7 @@ module.exports = configure(({ ky }) => {
searchParams
})

for await (const result of ndjson(toIterable(res.body))) {
for await (const result of ndjson(toAsyncIterable(res))) {
// go-ipfs does not yet support the "stream" option
if ('Entries' in result) {
for (const entry of result.Entries || []) {
Expand Down
4 changes: 2 additions & 2 deletions src/files/read.js
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Expand Up @@ -2,7 +2,7 @@

const { Buffer } = require('buffer')
const configure = require('../lib/configure')
const toIterable = require('../lib/stream-to-iterable')
const toAsyncIterable = require('../lib/stream-to-async-iterable')

module.exports = configure(({ ky }) => {
return async function * read (path, options) {
Expand All @@ -20,7 +20,7 @@ module.exports = configure(({ ky }) => {
searchParams
})

for await (const chunk of toIterable(res.body)) {
for await (const chunk of toAsyncIterable(res)) {
yield Buffer.from(chunk)
}
}
Expand Down
4 changes: 2 additions & 2 deletions src/get.js
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Expand Up @@ -4,7 +4,7 @@ const configure = require('./lib/configure')
const Tar = require('it-tar')
const { Buffer } = require('buffer')
const CID = require('cids')
const toIterable = require('./lib/stream-to-iterable')
const toAsyncIterable = require('./lib/stream-to-async-iterable')

module.exports = configure(({ ky }) => {
return async function * get (path, options) {
Expand Down Expand Up @@ -38,7 +38,7 @@ module.exports = configure(({ ky }) => {

const extractor = Tar.extract()

for await (const { header, body } of extractor(toIterable(res.body))) {
for await (const { header, body } of extractor(toAsyncIterable(res))) {
if (header.type === 'directory') {
yield {
path: header.name
Expand Down
15 changes: 14 additions & 1 deletion src/lib/stream-to-iterable.js → src/lib/stream-to-async-iterable.js
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@@ -1,6 +1,19 @@
'use strict'

module.exports = function toIterable (body) {
module.exports = function toAsyncIterable (res) {
const { body } = res

// An env where res.body getter for ReadableStream with getReader
// is not supported, for example in React Native
if (!body) {
if (res.arrayBuffer) {
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@pcowgill pcowgill Jan 22, 2020 •
edited
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@achingbrain @hugomrdias Do we want to console.log anything in this case, like "falling back to a hackier approach since the fetch being used here doesn't implement the streams spec"?

return (async function * () {
const arrayBuffer = await res.arrayBuffer()
yield arrayBuffer
})()
}
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}

// Node.js stream
if (body[Symbol.asyncIterator]) return body

Expand Down
4 changes: 2 additions & 2 deletions src/log/tail.js
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Expand Up @@ -2,7 +2,7 @@

const ndjson = require('iterable-ndjson')
const configure = require('../lib/configure')
const toIterable = require('../lib/stream-to-iterable')
const toAsyncIterable = require('../lib/stream-to-async-iterable')

module.exports = configure(({ ky }) => {
return async function * tail (options) {
Expand All @@ -15,6 +15,6 @@ module.exports = configure(({ ky }) => {
searchParams: options.searchParams
})

yield * ndjson(toIterable(res.body))
yield * ndjson(toAsyncIterable(res))
}
})
4 changes: 2 additions & 2 deletions src/object/data.js
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Expand Up @@ -3,7 +3,7 @@
const { Buffer } = require('buffer')
const CID = require('cids')
const configure = require('../lib/configure')
const toIterable = require('../lib/stream-to-iterable')
const toAsyncIterable = require('../lib/stream-to-async-iterable')

module.exports = configure(({ ky }) => {
return async function * data (cid, options) {
Expand All @@ -19,7 +19,7 @@ module.exports = configure(({ ky }) => {
searchParams
})

for await (const chunk of toIterable(res.body)) {
for await (const chunk of toAsyncIterable(res)) {
yield Buffer.from(chunk)
}
}
Expand Down
4 changes: 2 additions & 2 deletions src/ping.js
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Expand Up @@ -2,7 +2,7 @@

const ndjson = require('iterable-ndjson')
const configure = require('./lib/configure')
const toIterable = require('./lib/stream-to-iterable')
const toAsyncIterable = require('./lib/stream-to-async-iterable')
const toCamel = require('./lib/object-to-camel')

module.exports = configure(({ ky }) => {
Expand All @@ -20,7 +20,7 @@ module.exports = configure(({ ky }) => {
searchParams
})

for await (const chunk of ndjson(toIterable(res.body))) {
for await (const chunk of ndjson(toAsyncIterable(res))) {
yield toCamel(chunk)
}
}
Expand Down
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