replace imgs with nostr.build urls

This commit is contained in:
2023-11-25 15:46:08 -05:00
parent 8b11c41267
commit c64f6ca781
55 changed files with 13376 additions and 19 deletions
+2 -1
View File
@@ -11,6 +11,7 @@ setup:
--function-name rss-nostr-lambda \
--runtime nodejs20.x \
--timeout 900 \
--memory-size 1024 \
--zip-file fileb://handler.zip \
--handler index.handler \
--role arn:aws:iam::000000000000:role/lambda-role \
@@ -22,7 +23,7 @@ setup:
--overwrite
awslocal ssm put-parameter \
--name /rss-nostr-lambda/nsec \
--value "nsec1eg458xl7d3eywld94rpfx8daa6h2hqfqxylmk43dz6ep8q388e2sfe4thg" \
--value "nsec1azwx0ajvjquay870m69vxxmkf7prxekdj58fq92yulvt2l02zwnsmzt5vf" \
--type "SecureString" \
--overwrite
rm handler.zip
+91 -18
View File
@@ -4,6 +4,7 @@ import { extract } from '@extractus/feed-extractor'
import NDK, { NDKEvent, NDKPrivateKeySigner } from '@nostr-dev-kit/ndk'
import bech32 from 'bech32-buffer'
import moment from 'moment'
import FormData from 'form-data'
const toHexString = nsec => {
let buffer = bech32.decode(nsec).data
@@ -14,14 +15,72 @@ const toHexString = nsec => {
}, '');
}
const htmlToAscii = html => {
let ascii = html
ascii = ascii.replaceAll("<p>", "")
ascii = ascii.replaceAll("</p>", "")
ascii = ascii.replaceAll("<br>", "")
ascii = ascii.replaceAll("<img src=\"", "")
ascii = ascii.replaceAll("\" style=\"max-width:250px;\" />", "")
return ascii
const imgUrls = html => {
const re = /<img[^>]+src="?([^"\s]+)"?[^>]*\/>/g
const urls = []
let m
while (m = re.exec(html)) {
urls.push(m[1])
}
return urls
}
const putImgPlaceholders = html => {
const re = /<img[^>]+src="?([^"\s]+)"?[^>]*\/>/g
const placeholders = []
let replaced = html
const matches = html.matchAll(re)
let img = 0
for(let match of matches) {
replaced = replaced.replace(match[0], `%%${img}%%`)
placeholders.push(`%%${img}%%`)
img++
}
return {
replaced,
placeholders
}
}
const stripHtml = html => {
return html.replaceAll(/<[^>]*>/g, "")
}
const replaceImgsWithNostrBuildUrls = async (storeUrl, html, npub) => {
const urls = imgUrls(html)
let { replaced, placeholders } = putImgPlaceholders(html)
let count = 0
for (let placeholder of placeholders) {
const nbUrl = await uploadImgStore(storeUrl, urls[count], npub)
if (nbUrl) {
replaced = replaced.replace(placeholder, nbUrl)
} else {
replaced = replaced.replace(placeholder, '')
}
count++
}
return replaced
}
const uploadImgStore = async (hostUrl, imgUrl, npub) => {
const response = await fetch(hostUrl, {
method: 'POST',
headers: { "Content-Type": "application/x-www-form-urlencoded" },
body: new URLSearchParams({
"url": imgUrl,
"npub": npub
}) })
const json = await response.json()
if (json.status !== "success") {
return false
}
return json.data[0].url
}
export const handler = async (event) => {
@@ -83,7 +142,13 @@ export const handler = async (event) => {
explicitRelayUrls: [
"wss://nostr.mom",
"wss://nostr.snort.social",
"wss://nostr.lol"
"wss://nostr.lol",
"wss://nostr.oxtr.dev",
"wss://relay.nostr.bg",
"wss://nostr-pub.wellorder.net",
"wss://relay.damus.io",
"wss://nostr.milou.lol",
"wss://nostr.bitcoiner.social"
]
})
@@ -101,18 +166,29 @@ export const handler = async (event) => {
return response
})
let filtered = rss.item.filter(item => moment(item.published).isAfter(since))
let filtered = rss.item.filter(item => moment(item.pubDate).isAfter(since))
response.totalItems = filtered.length
for (let item of filtered) {
const user = await ndk.signer.user()
let content = ''
let replaced = await replaceImgsWithNostrBuildUrls(
'https://nostr.build/api/v2/upload/url',
item.description,
user.npub)
if (replaced) {
content = stripHtml(replaced)
}
let ndkEvent = new NDKEvent(ndk, {
kind: 1,
pubkey: ndk.signer.user().hexpubkey,
content: htmlToAscii(item.description),
pubkey: user.hexpubkey,
content,
created_at: Math.floor(Date.now() / 1000),
})
if (dryrun) {
console.dir(content)
response.successes++
continue
}
@@ -122,7 +198,6 @@ export const handler = async (event) => {
const published = await ndkEvent.publish()
if (published) {
response.successes++
const ssmPutCommand = new PutParameterCommand({
Name: lastRunTimeParam,
Value: new Date().toISOString(),
@@ -130,12 +205,10 @@ export const handler = async (event) => {
Overwrite: true
})
await ssmClient.send(ssmPutCommand)
.catch(err => {
console.dir(err)
response.errors.push(err)
return response
})
continue
}
console.dir(`failed to publish note`)
response.errors.push(`failed to publish note`)
} catch(e) {
console.dir(e)
response.errors.push(e)
+56
View File
@@ -1233,6 +1233,11 @@
"node": ">=14.0.0"
}
},
"node_modules/asynckit": {
"version": "0.4.0",
"resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
"integrity": "sha512-Oei9OH4tRh0YqU3GxhX79dM/mwVgvbZJaSNaRk+bshkj0S5cfHcgYakreBjrHwatXKbz+IoIdYLxrKim2MjW0Q=="
},
"node_modules/bech32-buffer": {
"version": "0.2.1",
"resolved": "https://registry.npmjs.org/bech32-buffer/-/bech32-buffer-0.2.1.tgz",
@@ -1266,6 +1271,17 @@
"node": ">=6.14.2"
}
},
"node_modules/combined-stream": {
"version": "1.0.8",
"resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.8.tgz",
"integrity": "sha512-FQN4MRfuJeHf7cBbBMJFXhKSDq+2kAArBlmRBvcvFE5BB1HZKXtSFASDhdlz9zOYwxh8lDdnvmMOe/+5cdoEdg==",
"dependencies": {
"delayed-stream": "~1.0.0"
},
"engines": {
"node": ">= 0.8"
}
},
"node_modules/cross-fetch": {
"version": "4.0.0",
"resolved": "https://registry.npmjs.org/cross-fetch/-/cross-fetch-4.0.0.tgz",
@@ -1326,6 +1342,14 @@
}
}
},
"node_modules/delayed-stream": {
"version": "1.0.0",
"resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
"integrity": "sha512-ZySD7Nf91aLB0RxL4KGrKHBXl7Eds1DAmEdcoVawXnLD7SDhpNgtuII2aAkg7a7QS41jxPSZ17p4VdGnMHk3MQ==",
"engines": {
"node": ">=0.4.0"
}
},
"node_modules/es5-ext": {
"version": "0.10.62",
"resolved": "https://registry.npmjs.org/es5-ext/-/es5-ext-0.10.62.tgz",
@@ -1415,6 +1439,19 @@
"node": "^12.20 || >= 14.13"
}
},
"node_modules/form-data": {
"version": "4.0.0",
"resolved": "https://registry.npmjs.org/form-data/-/form-data-4.0.0.tgz",
"integrity": "sha512-ETEklSGi5t0QMZuiXoA/Q6vcnxcLQP5vdugSpuAyi6SVGi2clPPp+xgEhuMaHC+zGgn31Kd235W35f7Hykkaww==",
"dependencies": {
"asynckit": "^0.4.0",
"combined-stream": "^1.0.8",
"mime-types": "^2.1.12"
},
"engines": {
"node": ">= 6"
}
},
"node_modules/formdata-polyfill": {
"version": "4.0.10",
"resolved": "https://registry.npmjs.org/formdata-polyfill/-/formdata-polyfill-4.0.10.tgz",
@@ -1465,6 +1502,25 @@
}
]
},
"node_modules/mime-db": {
"version": "1.52.0",
"resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.52.0.tgz",
"integrity": "sha512-sPU4uV7dYlvtWJxwwxHD0PuihVNiE7TyAbQ5SWxDCB9mUYvOgroQOwYQQOKPJ8CIbE+1ETVlOoK1UC2nU3gYvg==",
"engines": {
"node": ">= 0.6"
}
},
"node_modules/mime-types": {
"version": "2.1.35",
"resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.35.tgz",
"integrity": "sha512-ZDY+bPm5zTTF+YpCrAU9nK0UgICYPT0QtT1NZWFv4s++TNkcgVaT0g6+4R2uI4MjQjzysHB1zxuWL50hzaeXiw==",
"dependencies": {
"mime-db": "1.52.0"
},
"engines": {
"node": ">= 0.6"
}
},
"node_modules/moment": {
"version": "2.29.4",
"resolved": "https://registry.npmjs.org/moment/-/moment-2.29.4.tgz",
+21
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@@ -0,0 +1,21 @@
The MIT License (MIT)
Copyright (c) 2016 Alex Indigo
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
+233
View File
@@ -0,0 +1,233 @@
# asynckit [![NPM Module](https://img.shields.io/npm/v/asynckit.svg?style=flat)](https://www.npmjs.com/package/asynckit)
Minimal async jobs utility library, with streams support.
[![PhantomJS Build](https://img.shields.io/travis/alexindigo/asynckit/v0.4.0.svg?label=browser&style=flat)](https://travis-ci.org/alexindigo/asynckit)
[![Linux Build](https://img.shields.io/travis/alexindigo/asynckit/v0.4.0.svg?label=linux:0.12-6.x&style=flat)](https://travis-ci.org/alexindigo/asynckit)
[![Windows Build](https://img.shields.io/appveyor/ci/alexindigo/asynckit/v0.4.0.svg?label=windows:0.12-6.x&style=flat)](https://ci.appveyor.com/project/alexindigo/asynckit)
[![Coverage Status](https://img.shields.io/coveralls/alexindigo/asynckit/v0.4.0.svg?label=code+coverage&style=flat)](https://coveralls.io/github/alexindigo/asynckit?branch=master)
[![Dependency Status](https://img.shields.io/david/alexindigo/asynckit/v0.4.0.svg?style=flat)](https://david-dm.org/alexindigo/asynckit)
[![bitHound Overall Score](https://www.bithound.io/github/alexindigo/asynckit/badges/score.svg)](https://www.bithound.io/github/alexindigo/asynckit)
<!-- [![Readme](https://img.shields.io/badge/readme-tested-brightgreen.svg?style=flat)](https://www.npmjs.com/package/reamde) -->
AsyncKit provides harness for `parallel` and `serial` iterators over list of items represented by arrays or objects.
Optionally it accepts abort function (should be synchronously return by iterator for each item), and terminates left over jobs upon an error event. For specific iteration order built-in (`ascending` and `descending`) and custom sort helpers also supported, via `asynckit.serialOrdered` method.
It ensures async operations to keep behavior more stable and prevent `Maximum call stack size exceeded` errors, from sync iterators.
| compression | size |
| :----------------- | -------: |
| asynckit.js | 12.34 kB |
| asynckit.min.js | 4.11 kB |
| asynckit.min.js.gz | 1.47 kB |
## Install
```sh
$ npm install --save asynckit
```
## Examples
### Parallel Jobs
Runs iterator over provided array in parallel. Stores output in the `result` array,
on the matching positions. In unlikely event of an error from one of the jobs,
will terminate rest of the active jobs (if abort function is provided)
and return error along with salvaged data to the main callback function.
#### Input Array
```javascript
var parallel = require('asynckit').parallel
, assert = require('assert')
;
var source = [ 1, 1, 4, 16, 64, 32, 8, 2 ]
, expectedResult = [ 2, 2, 8, 32, 128, 64, 16, 4 ]
, expectedTarget = [ 1, 1, 2, 4, 8, 16, 32, 64 ]
, target = []
;
parallel(source, asyncJob, function(err, result)
{
assert.deepEqual(result, expectedResult);
assert.deepEqual(target, expectedTarget);
});
// async job accepts one element from the array
// and a callback function
function asyncJob(item, cb)
{
// different delays (in ms) per item
var delay = item * 25;
// pretend different jobs take different time to finish
// and not in consequential order
var timeoutId = setTimeout(function() {
target.push(item);
cb(null, item * 2);
}, delay);
// allow to cancel "leftover" jobs upon error
// return function, invoking of which will abort this job
return clearTimeout.bind(null, timeoutId);
}
```
More examples could be found in [test/test-parallel-array.js](test/test-parallel-array.js).
#### Input Object
Also it supports named jobs, listed via object.
```javascript
var parallel = require('asynckit/parallel')
, assert = require('assert')
;
var source = { first: 1, one: 1, four: 4, sixteen: 16, sixtyFour: 64, thirtyTwo: 32, eight: 8, two: 2 }
, expectedResult = { first: 2, one: 2, four: 8, sixteen: 32, sixtyFour: 128, thirtyTwo: 64, eight: 16, two: 4 }
, expectedTarget = [ 1, 1, 2, 4, 8, 16, 32, 64 ]
, expectedKeys = [ 'first', 'one', 'two', 'four', 'eight', 'sixteen', 'thirtyTwo', 'sixtyFour' ]
, target = []
, keys = []
;
parallel(source, asyncJob, function(err, result)
{
assert.deepEqual(result, expectedResult);
assert.deepEqual(target, expectedTarget);
assert.deepEqual(keys, expectedKeys);
});
// supports full value, key, callback (shortcut) interface
function asyncJob(item, key, cb)
{
// different delays (in ms) per item
var delay = item * 25;
// pretend different jobs take different time to finish
// and not in consequential order
var timeoutId = setTimeout(function() {
keys.push(key);
target.push(item);
cb(null, item * 2);
}, delay);
// allow to cancel "leftover" jobs upon error
// return function, invoking of which will abort this job
return clearTimeout.bind(null, timeoutId);
}
```
More examples could be found in [test/test-parallel-object.js](test/test-parallel-object.js).
### Serial Jobs
Runs iterator over provided array sequentially. Stores output in the `result` array,
on the matching positions. In unlikely event of an error from one of the jobs,
will not proceed to the rest of the items in the list
and return error along with salvaged data to the main callback function.
#### Input Array
```javascript
var serial = require('asynckit/serial')
, assert = require('assert')
;
var source = [ 1, 1, 4, 16, 64, 32, 8, 2 ]
, expectedResult = [ 2, 2, 8, 32, 128, 64, 16, 4 ]
, expectedTarget = [ 0, 1, 2, 3, 4, 5, 6, 7 ]
, target = []
;
serial(source, asyncJob, function(err, result)
{
assert.deepEqual(result, expectedResult);
assert.deepEqual(target, expectedTarget);
});
// extended interface (item, key, callback)
// also supported for arrays
function asyncJob(item, key, cb)
{
target.push(key);
// it will be automatically made async
// even it iterator "returns" in the same event loop
cb(null, item * 2);
}
```
More examples could be found in [test/test-serial-array.js](test/test-serial-array.js).
#### Input Object
Also it supports named jobs, listed via object.
```javascript
var serial = require('asynckit').serial
, assert = require('assert')
;
var source = [ 1, 1, 4, 16, 64, 32, 8, 2 ]
, expectedResult = [ 2, 2, 8, 32, 128, 64, 16, 4 ]
, expectedTarget = [ 0, 1, 2, 3, 4, 5, 6, 7 ]
, target = []
;
var source = { first: 1, one: 1, four: 4, sixteen: 16, sixtyFour: 64, thirtyTwo: 32, eight: 8, two: 2 }
, expectedResult = { first: 2, one: 2, four: 8, sixteen: 32, sixtyFour: 128, thirtyTwo: 64, eight: 16, two: 4 }
, expectedTarget = [ 1, 1, 4, 16, 64, 32, 8, 2 ]
, target = []
;
serial(source, asyncJob, function(err, result)
{
assert.deepEqual(result, expectedResult);
assert.deepEqual(target, expectedTarget);
});
// shortcut interface (item, callback)
// works for object as well as for the arrays
function asyncJob(item, cb)
{
target.push(item);
// it will be automatically made async
// even it iterator "returns" in the same event loop
cb(null, item * 2);
}
```
More examples could be found in [test/test-serial-object.js](test/test-serial-object.js).
_Note: Since _object_ is an _unordered_ collection of properties,
it may produce unexpected results with sequential iterations.
Whenever order of the jobs' execution is important please use `serialOrdered` method._
### Ordered Serial Iterations
TBD
For example [compare-property](compare-property) package.
### Streaming interface
TBD
## Want to Know More?
More examples can be found in [test folder](test/).
Or open an [issue](https://github.com/alexindigo/asynckit/issues) with questions and/or suggestions.
## License
AsyncKit is licensed under the MIT license.
+76
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@@ -0,0 +1,76 @@
/* eslint no-console: "off" */
var asynckit = require('./')
, async = require('async')
, assert = require('assert')
, expected = 0
;
var Benchmark = require('benchmark');
var suite = new Benchmark.Suite;
var source = [];
for (var z = 1; z < 100; z++)
{
source.push(z);
expected += z;
}
suite
// add tests
.add('async.map', function(deferred)
{
var total = 0;
async.map(source,
function(i, cb)
{
setImmediate(function()
{
total += i;
cb(null, total);
});
},
function(err, result)
{
assert.ifError(err);
assert.equal(result[result.length - 1], expected);
deferred.resolve();
});
}, {'defer': true})
.add('asynckit.parallel', function(deferred)
{
var total = 0;
asynckit.parallel(source,
function(i, cb)
{
setImmediate(function()
{
total += i;
cb(null, total);
});
},
function(err, result)
{
assert.ifError(err);
assert.equal(result[result.length - 1], expected);
deferred.resolve();
});
}, {'defer': true})
// add listeners
.on('cycle', function(ev)
{
console.log(String(ev.target));
})
.on('complete', function()
{
console.log('Fastest is ' + this.filter('fastest').map('name'));
})
// run async
.run({ 'async': true });
+6
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@@ -0,0 +1,6 @@
module.exports =
{
parallel : require('./parallel.js'),
serial : require('./serial.js'),
serialOrdered : require('./serialOrdered.js')
};
+29
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@@ -0,0 +1,29 @@
// API
module.exports = abort;
/**
* Aborts leftover active jobs
*
* @param {object} state - current state object
*/
function abort(state)
{
Object.keys(state.jobs).forEach(clean.bind(state));
// reset leftover jobs
state.jobs = {};
}
/**
* Cleans up leftover job by invoking abort function for the provided job id
*
* @this state
* @param {string|number} key - job id to abort
*/
function clean(key)
{
if (typeof this.jobs[key] == 'function')
{
this.jobs[key]();
}
}
+34
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@@ -0,0 +1,34 @@
var defer = require('./defer.js');
// API
module.exports = async;
/**
* Runs provided callback asynchronously
* even if callback itself is not
*
* @param {function} callback - callback to invoke
* @returns {function} - augmented callback
*/
function async(callback)
{
var isAsync = false;
// check if async happened
defer(function() { isAsync = true; });
return function async_callback(err, result)
{
if (isAsync)
{
callback(err, result);
}
else
{
defer(function nextTick_callback()
{
callback(err, result);
});
}
};
}
+26
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@@ -0,0 +1,26 @@
module.exports = defer;
/**
* Runs provided function on next iteration of the event loop
*
* @param {function} fn - function to run
*/
function defer(fn)
{
var nextTick = typeof setImmediate == 'function'
? setImmediate
: (
typeof process == 'object' && typeof process.nextTick == 'function'
? process.nextTick
: null
);
if (nextTick)
{
nextTick(fn);
}
else
{
setTimeout(fn, 0);
}
}
+75
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@@ -0,0 +1,75 @@
var async = require('./async.js')
, abort = require('./abort.js')
;
// API
module.exports = iterate;
/**
* Iterates over each job object
*
* @param {array|object} list - array or object (named list) to iterate over
* @param {function} iterator - iterator to run
* @param {object} state - current job status
* @param {function} callback - invoked when all elements processed
*/
function iterate(list, iterator, state, callback)
{
// store current index
var key = state['keyedList'] ? state['keyedList'][state.index] : state.index;
state.jobs[key] = runJob(iterator, key, list[key], function(error, output)
{
// don't repeat yourself
// skip secondary callbacks
if (!(key in state.jobs))
{
return;
}
// clean up jobs
delete state.jobs[key];
if (error)
{
// don't process rest of the results
// stop still active jobs
// and reset the list
abort(state);
}
else
{
state.results[key] = output;
}
// return salvaged results
callback(error, state.results);
});
}
/**
* Runs iterator over provided job element
*
* @param {function} iterator - iterator to invoke
* @param {string|number} key - key/index of the element in the list of jobs
* @param {mixed} item - job description
* @param {function} callback - invoked after iterator is done with the job
* @returns {function|mixed} - job abort function or something else
*/
function runJob(iterator, key, item, callback)
{
var aborter;
// allow shortcut if iterator expects only two arguments
if (iterator.length == 2)
{
aborter = iterator(item, async(callback));
}
// otherwise go with full three arguments
else
{
aborter = iterator(item, key, async(callback));
}
return aborter;
}
+91
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@@ -0,0 +1,91 @@
var streamify = require('./streamify.js')
, defer = require('./defer.js')
;
// API
module.exports = ReadableAsyncKit;
/**
* Base constructor for all streams
* used to hold properties/methods
*/
function ReadableAsyncKit()
{
ReadableAsyncKit.super_.apply(this, arguments);
// list of active jobs
this.jobs = {};
// add stream methods
this.destroy = destroy;
this._start = _start;
this._read = _read;
}
/**
* Destroys readable stream,
* by aborting outstanding jobs
*
* @returns {void}
*/
function destroy()
{
if (this.destroyed)
{
return;
}
this.destroyed = true;
if (typeof this.terminator == 'function')
{
this.terminator();
}
}
/**
* Starts provided jobs in async manner
*
* @private
*/
function _start()
{
// first argument runner function
var runner = arguments[0]
// take away first argument
, args = Array.prototype.slice.call(arguments, 1)
// second argument - input data
, input = args[0]
// last argument - result callback
, endCb = streamify.callback.call(this, args[args.length - 1])
;
args[args.length - 1] = endCb;
// third argument - iterator
args[1] = streamify.iterator.call(this, args[1]);
// allow time for proper setup
defer(function()
{
if (!this.destroyed)
{
this.terminator = runner.apply(null, args);
}
else
{
endCb(null, Array.isArray(input) ? [] : {});
}
}.bind(this));
}
/**
* Implement _read to comply with Readable streams
* Doesn't really make sense for flowing object mode
*
* @private
*/
function _read()
{
}
+25
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var parallel = require('../parallel.js');
// API
module.exports = ReadableParallel;
/**
* Streaming wrapper to `asynckit.parallel`
*
* @param {array|object} list - array or object (named list) to iterate over
* @param {function} iterator - iterator to run
* @param {function} callback - invoked when all elements processed
* @returns {stream.Readable#}
*/
function ReadableParallel(list, iterator, callback)
{
if (!(this instanceof ReadableParallel))
{
return new ReadableParallel(list, iterator, callback);
}
// turn on object mode
ReadableParallel.super_.call(this, {objectMode: true});
this._start(parallel, list, iterator, callback);
}
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var serial = require('../serial.js');
// API
module.exports = ReadableSerial;
/**
* Streaming wrapper to `asynckit.serial`
*
* @param {array|object} list - array or object (named list) to iterate over
* @param {function} iterator - iterator to run
* @param {function} callback - invoked when all elements processed
* @returns {stream.Readable#}
*/
function ReadableSerial(list, iterator, callback)
{
if (!(this instanceof ReadableSerial))
{
return new ReadableSerial(list, iterator, callback);
}
// turn on object mode
ReadableSerial.super_.call(this, {objectMode: true});
this._start(serial, list, iterator, callback);
}
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var serialOrdered = require('../serialOrdered.js');
// API
module.exports = ReadableSerialOrdered;
// expose sort helpers
module.exports.ascending = serialOrdered.ascending;
module.exports.descending = serialOrdered.descending;
/**
* Streaming wrapper to `asynckit.serialOrdered`
*
* @param {array|object} list - array or object (named list) to iterate over
* @param {function} iterator - iterator to run
* @param {function} sortMethod - custom sort function
* @param {function} callback - invoked when all elements processed
* @returns {stream.Readable#}
*/
function ReadableSerialOrdered(list, iterator, sortMethod, callback)
{
if (!(this instanceof ReadableSerialOrdered))
{
return new ReadableSerialOrdered(list, iterator, sortMethod, callback);
}
// turn on object mode
ReadableSerialOrdered.super_.call(this, {objectMode: true});
this._start(serialOrdered, list, iterator, sortMethod, callback);
}
+37
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// API
module.exports = state;
/**
* Creates initial state object
* for iteration over list
*
* @param {array|object} list - list to iterate over
* @param {function|null} sortMethod - function to use for keys sort,
* or `null` to keep them as is
* @returns {object} - initial state object
*/
function state(list, sortMethod)
{
var isNamedList = !Array.isArray(list)
, initState =
{
index : 0,
keyedList: isNamedList || sortMethod ? Object.keys(list) : null,
jobs : {},
results : isNamedList ? {} : [],
size : isNamedList ? Object.keys(list).length : list.length
}
;
if (sortMethod)
{
// sort array keys based on it's values
// sort object's keys just on own merit
initState.keyedList.sort(isNamedList ? sortMethod : function(a, b)
{
return sortMethod(list[a], list[b]);
});
}
return initState;
}
+141
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var async = require('./async.js');
// API
module.exports = {
iterator: wrapIterator,
callback: wrapCallback
};
/**
* Wraps iterators with long signature
*
* @this ReadableAsyncKit#
* @param {function} iterator - function to wrap
* @returns {function} - wrapped function
*/
function wrapIterator(iterator)
{
var stream = this;
return function(item, key, cb)
{
var aborter
, wrappedCb = async(wrapIteratorCallback.call(stream, cb, key))
;
stream.jobs[key] = wrappedCb;
// it's either shortcut (item, cb)
if (iterator.length == 2)
{
aborter = iterator(item, wrappedCb);
}
// or long format (item, key, cb)
else
{
aborter = iterator(item, key, wrappedCb);
}
return aborter;
};
}
/**
* Wraps provided callback function
* allowing to execute snitch function before
* real callback
*
* @this ReadableAsyncKit#
* @param {function} callback - function to wrap
* @returns {function} - wrapped function
*/
function wrapCallback(callback)
{
var stream = this;
var wrapped = function(error, result)
{
return finisher.call(stream, error, result, callback);
};
return wrapped;
}
/**
* Wraps provided iterator callback function
* makes sure snitch only called once,
* but passes secondary calls to the original callback
*
* @this ReadableAsyncKit#
* @param {function} callback - callback to wrap
* @param {number|string} key - iteration key
* @returns {function} wrapped callback
*/
function wrapIteratorCallback(callback, key)
{
var stream = this;
return function(error, output)
{
// don't repeat yourself
if (!(key in stream.jobs))
{
callback(error, output);
return;
}
// clean up jobs
delete stream.jobs[key];
return streamer.call(stream, error, {key: key, value: output}, callback);
};
}
/**
* Stream wrapper for iterator callback
*
* @this ReadableAsyncKit#
* @param {mixed} error - error response
* @param {mixed} output - iterator output
* @param {function} callback - callback that expects iterator results
*/
function streamer(error, output, callback)
{
if (error && !this.error)
{
this.error = error;
this.pause();
this.emit('error', error);
// send back value only, as expected
callback(error, output && output.value);
return;
}
// stream stuff
this.push(output);
// back to original track
// send back value only, as expected
callback(error, output && output.value);
}
/**
* Stream wrapper for finishing callback
*
* @this ReadableAsyncKit#
* @param {mixed} error - error response
* @param {mixed} output - iterator output
* @param {function} callback - callback that expects final results
*/
function finisher(error, output, callback)
{
// signal end of the stream
// only for successfully finished streams
if (!error)
{
this.push(null);
}
// back to original track
callback(error, output);
}
+29
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var abort = require('./abort.js')
, async = require('./async.js')
;
// API
module.exports = terminator;
/**
* Terminates jobs in the attached state context
*
* @this AsyncKitState#
* @param {function} callback - final callback to invoke after termination
*/
function terminator(callback)
{
if (!Object.keys(this.jobs).length)
{
return;
}
// fast forward iteration index
this.index = this.size;
// abort jobs
abort(this);
// send back results we have so far
async(callback)(null, this.results);
}
+63
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{
"name": "asynckit",
"version": "0.4.0",
"description": "Minimal async jobs utility library, with streams support",
"main": "index.js",
"scripts": {
"clean": "rimraf coverage",
"lint": "eslint *.js lib/*.js test/*.js",
"test": "istanbul cover --reporter=json tape -- 'test/test-*.js' | tap-spec",
"win-test": "tape test/test-*.js",
"browser": "browserify -t browserify-istanbul test/lib/browserify_adjustment.js test/test-*.js | obake --coverage | tap-spec",
"report": "istanbul report",
"size": "browserify index.js | size-table asynckit",
"debug": "tape test/test-*.js"
},
"pre-commit": [
"clean",
"lint",
"test",
"browser",
"report",
"size"
],
"repository": {
"type": "git",
"url": "git+https://github.com/alexindigo/asynckit.git"
},
"keywords": [
"async",
"jobs",
"parallel",
"serial",
"iterator",
"array",
"object",
"stream",
"destroy",
"terminate",
"abort"
],
"author": "Alex Indigo <iam@alexindigo.com>",
"license": "MIT",
"bugs": {
"url": "https://github.com/alexindigo/asynckit/issues"
},
"homepage": "https://github.com/alexindigo/asynckit#readme",
"devDependencies": {
"browserify": "^13.0.0",
"browserify-istanbul": "^2.0.0",
"coveralls": "^2.11.9",
"eslint": "^2.9.0",
"istanbul": "^0.4.3",
"obake": "^0.1.2",
"phantomjs-prebuilt": "^2.1.7",
"pre-commit": "^1.1.3",
"reamde": "^1.1.0",
"rimraf": "^2.5.2",
"size-table": "^0.2.0",
"tap-spec": "^4.1.1",
"tape": "^4.5.1"
},
"dependencies": {}
}
+43
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var iterate = require('./lib/iterate.js')
, initState = require('./lib/state.js')
, terminator = require('./lib/terminator.js')
;
// Public API
module.exports = parallel;
/**
* Runs iterator over provided array elements in parallel
*
* @param {array|object} list - array or object (named list) to iterate over
* @param {function} iterator - iterator to run
* @param {function} callback - invoked when all elements processed
* @returns {function} - jobs terminator
*/
function parallel(list, iterator, callback)
{
var state = initState(list);
while (state.index < (state['keyedList'] || list).length)
{
iterate(list, iterator, state, function(error, result)
{
if (error)
{
callback(error, result);
return;
}
// looks like it's the last one
if (Object.keys(state.jobs).length === 0)
{
callback(null, state.results);
return;
}
});
state.index++;
}
return terminator.bind(state, callback);
}
+17
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var serialOrdered = require('./serialOrdered.js');
// Public API
module.exports = serial;
/**
* Runs iterator over provided array elements in series
*
* @param {array|object} list - array or object (named list) to iterate over
* @param {function} iterator - iterator to run
* @param {function} callback - invoked when all elements processed
* @returns {function} - jobs terminator
*/
function serial(list, iterator, callback)
{
return serialOrdered(list, iterator, null, callback);
}
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var iterate = require('./lib/iterate.js')
, initState = require('./lib/state.js')
, terminator = require('./lib/terminator.js')
;
// Public API
module.exports = serialOrdered;
// sorting helpers
module.exports.ascending = ascending;
module.exports.descending = descending;
/**
* Runs iterator over provided sorted array elements in series
*
* @param {array|object} list - array or object (named list) to iterate over
* @param {function} iterator - iterator to run
* @param {function} sortMethod - custom sort function
* @param {function} callback - invoked when all elements processed
* @returns {function} - jobs terminator
*/
function serialOrdered(list, iterator, sortMethod, callback)
{
var state = initState(list, sortMethod);
iterate(list, iterator, state, function iteratorHandler(error, result)
{
if (error)
{
callback(error, result);
return;
}
state.index++;
// are we there yet?
if (state.index < (state['keyedList'] || list).length)
{
iterate(list, iterator, state, iteratorHandler);
return;
}
// done here
callback(null, state.results);
});
return terminator.bind(state, callback);
}
/*
* -- Sort methods
*/
/**
* sort helper to sort array elements in ascending order
*
* @param {mixed} a - an item to compare
* @param {mixed} b - an item to compare
* @returns {number} - comparison result
*/
function ascending(a, b)
{
return a < b ? -1 : a > b ? 1 : 0;
}
/**
* sort helper to sort array elements in descending order
*
* @param {mixed} a - an item to compare
* @param {mixed} b - an item to compare
* @returns {number} - comparison result
*/
function descending(a, b)
{
return -1 * ascending(a, b);
}
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var inherits = require('util').inherits
, Readable = require('stream').Readable
, ReadableAsyncKit = require('./lib/readable_asynckit.js')
, ReadableParallel = require('./lib/readable_parallel.js')
, ReadableSerial = require('./lib/readable_serial.js')
, ReadableSerialOrdered = require('./lib/readable_serial_ordered.js')
;
// API
module.exports =
{
parallel : ReadableParallel,
serial : ReadableSerial,
serialOrdered : ReadableSerialOrdered,
};
inherits(ReadableAsyncKit, Readable);
inherits(ReadableParallel, ReadableAsyncKit);
inherits(ReadableSerial, ReadableAsyncKit);
inherits(ReadableSerialOrdered, ReadableAsyncKit);
+19
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Copyright (c) 2011 Debuggable Limited <felix@debuggable.com>
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
+138
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# combined-stream
A stream that emits multiple other streams one after another.
**NB** Currently `combined-stream` works with streams version 1 only. There is ongoing effort to switch this library to streams version 2. Any help is welcome. :) Meanwhile you can explore other libraries that provide streams2 support with more or less compatibility with `combined-stream`.
- [combined-stream2](https://www.npmjs.com/package/combined-stream2): A drop-in streams2-compatible replacement for the combined-stream module.
- [multistream](https://www.npmjs.com/package/multistream): A stream that emits multiple other streams one after another.
## Installation
``` bash
npm install combined-stream
```
## Usage
Here is a simple example that shows how you can use combined-stream to combine
two files into one:
``` javascript
var CombinedStream = require('combined-stream');
var fs = require('fs');
var combinedStream = CombinedStream.create();
combinedStream.append(fs.createReadStream('file1.txt'));
combinedStream.append(fs.createReadStream('file2.txt'));
combinedStream.pipe(fs.createWriteStream('combined.txt'));
```
While the example above works great, it will pause all source streams until
they are needed. If you don't want that to happen, you can set `pauseStreams`
to `false`:
``` javascript
var CombinedStream = require('combined-stream');
var fs = require('fs');
var combinedStream = CombinedStream.create({pauseStreams: false});
combinedStream.append(fs.createReadStream('file1.txt'));
combinedStream.append(fs.createReadStream('file2.txt'));
combinedStream.pipe(fs.createWriteStream('combined.txt'));
```
However, what if you don't have all the source streams yet, or you don't want
to allocate the resources (file descriptors, memory, etc.) for them right away?
Well, in that case you can simply provide a callback that supplies the stream
by calling a `next()` function:
``` javascript
var CombinedStream = require('combined-stream');
var fs = require('fs');
var combinedStream = CombinedStream.create();
combinedStream.append(function(next) {
next(fs.createReadStream('file1.txt'));
});
combinedStream.append(function(next) {
next(fs.createReadStream('file2.txt'));
});
combinedStream.pipe(fs.createWriteStream('combined.txt'));
```
## API
### CombinedStream.create([options])
Returns a new combined stream object. Available options are:
* `maxDataSize`
* `pauseStreams`
The effect of those options is described below.
### combinedStream.pauseStreams = `true`
Whether to apply back pressure to the underlaying streams. If set to `false`,
the underlaying streams will never be paused. If set to `true`, the
underlaying streams will be paused right after being appended, as well as when
`delayedStream.pipe()` wants to throttle.
### combinedStream.maxDataSize = `2 * 1024 * 1024`
The maximum amount of bytes (or characters) to buffer for all source streams.
If this value is exceeded, `combinedStream` emits an `'error'` event.
### combinedStream.dataSize = `0`
The amount of bytes (or characters) currently buffered by `combinedStream`.
### combinedStream.append(stream)
Appends the given `stream` to the combinedStream object. If `pauseStreams` is
set to `true, this stream will also be paused right away.
`streams` can also be a function that takes one parameter called `next`. `next`
is a function that must be invoked in order to provide the `next` stream, see
example above.
Regardless of how the `stream` is appended, combined-stream always attaches an
`'error'` listener to it, so you don't have to do that manually.
Special case: `stream` can also be a String or Buffer.
### combinedStream.write(data)
You should not call this, `combinedStream` takes care of piping the appended
streams into itself for you.
### combinedStream.resume()
Causes `combinedStream` to start drain the streams it manages. The function is
idempotent, and also emits a `'resume'` event each time which usually goes to
the stream that is currently being drained.
### combinedStream.pause();
If `combinedStream.pauseStreams` is set to `false`, this does nothing.
Otherwise a `'pause'` event is emitted, this goes to the stream that is
currently being drained, so you can use it to apply back pressure.
### combinedStream.end();
Sets `combinedStream.writable` to false, emits an `'end'` event, and removes
all streams from the queue.
### combinedStream.destroy();
Same as `combinedStream.end()`, except it emits a `'close'` event instead of
`'end'`.
## License
combined-stream is licensed under the MIT license.
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var util = require('util');
var Stream = require('stream').Stream;
var DelayedStream = require('delayed-stream');
module.exports = CombinedStream;
function CombinedStream() {
this.writable = false;
this.readable = true;
this.dataSize = 0;
this.maxDataSize = 2 * 1024 * 1024;
this.pauseStreams = true;
this._released = false;
this._streams = [];
this._currentStream = null;
this._insideLoop = false;
this._pendingNext = false;
}
util.inherits(CombinedStream, Stream);
CombinedStream.create = function(options) {
var combinedStream = new this();
options = options || {};
for (var option in options) {
combinedStream[option] = options[option];
}
return combinedStream;
};
CombinedStream.isStreamLike = function(stream) {
return (typeof stream !== 'function')
&& (typeof stream !== 'string')
&& (typeof stream !== 'boolean')
&& (typeof stream !== 'number')
&& (!Buffer.isBuffer(stream));
};
CombinedStream.prototype.append = function(stream) {
var isStreamLike = CombinedStream.isStreamLike(stream);
if (isStreamLike) {
if (!(stream instanceof DelayedStream)) {
var newStream = DelayedStream.create(stream, {
maxDataSize: Infinity,
pauseStream: this.pauseStreams,
});
stream.on('data', this._checkDataSize.bind(this));
stream = newStream;
}
this._handleErrors(stream);
if (this.pauseStreams) {
stream.pause();
}
}
this._streams.push(stream);
return this;
};
CombinedStream.prototype.pipe = function(dest, options) {
Stream.prototype.pipe.call(this, dest, options);
this.resume();
return dest;
};
CombinedStream.prototype._getNext = function() {
this._currentStream = null;
if (this._insideLoop) {
this._pendingNext = true;
return; // defer call
}
this._insideLoop = true;
try {
do {
this._pendingNext = false;
this._realGetNext();
} while (this._pendingNext);
} finally {
this._insideLoop = false;
}
};
CombinedStream.prototype._realGetNext = function() {
var stream = this._streams.shift();
if (typeof stream == 'undefined') {
this.end();
return;
}
if (typeof stream !== 'function') {
this._pipeNext(stream);
return;
}
var getStream = stream;
getStream(function(stream) {
var isStreamLike = CombinedStream.isStreamLike(stream);
if (isStreamLike) {
stream.on('data', this._checkDataSize.bind(this));
this._handleErrors(stream);
}
this._pipeNext(stream);
}.bind(this));
};
CombinedStream.prototype._pipeNext = function(stream) {
this._currentStream = stream;
var isStreamLike = CombinedStream.isStreamLike(stream);
if (isStreamLike) {
stream.on('end', this._getNext.bind(this));
stream.pipe(this, {end: false});
return;
}
var value = stream;
this.write(value);
this._getNext();
};
CombinedStream.prototype._handleErrors = function(stream) {
var self = this;
stream.on('error', function(err) {
self._emitError(err);
});
};
CombinedStream.prototype.write = function(data) {
this.emit('data', data);
};
CombinedStream.prototype.pause = function() {
if (!this.pauseStreams) {
return;
}
if(this.pauseStreams && this._currentStream && typeof(this._currentStream.pause) == 'function') this._currentStream.pause();
this.emit('pause');
};
CombinedStream.prototype.resume = function() {
if (!this._released) {
this._released = true;
this.writable = true;
this._getNext();
}
if(this.pauseStreams && this._currentStream && typeof(this._currentStream.resume) == 'function') this._currentStream.resume();
this.emit('resume');
};
CombinedStream.prototype.end = function() {
this._reset();
this.emit('end');
};
CombinedStream.prototype.destroy = function() {
this._reset();
this.emit('close');
};
CombinedStream.prototype._reset = function() {
this.writable = false;
this._streams = [];
this._currentStream = null;
};
CombinedStream.prototype._checkDataSize = function() {
this._updateDataSize();
if (this.dataSize <= this.maxDataSize) {
return;
}
var message =
'DelayedStream#maxDataSize of ' + this.maxDataSize + ' bytes exceeded.';
this._emitError(new Error(message));
};
CombinedStream.prototype._updateDataSize = function() {
this.dataSize = 0;
var self = this;
this._streams.forEach(function(stream) {
if (!stream.dataSize) {
return;
}
self.dataSize += stream.dataSize;
});
if (this._currentStream && this._currentStream.dataSize) {
this.dataSize += this._currentStream.dataSize;
}
};
CombinedStream.prototype._emitError = function(err) {
this._reset();
this.emit('error', err);
};
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{
"author": "Felix Geisendörfer <felix@debuggable.com> (http://debuggable.com/)",
"name": "combined-stream",
"description": "A stream that emits multiple other streams one after another.",
"version": "1.0.8",
"homepage": "https://github.com/felixge/node-combined-stream",
"repository": {
"type": "git",
"url": "git://github.com/felixge/node-combined-stream.git"
},
"main": "./lib/combined_stream",
"scripts": {
"test": "node test/run.js"
},
"engines": {
"node": ">= 0.8"
},
"dependencies": {
"delayed-stream": "~1.0.0"
},
"devDependencies": {
"far": "~0.0.7"
},
"license": "MIT"
}
+17
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# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
# yarn lockfile v1
delayed-stream@~1.0.0:
version "1.0.0"
resolved "https://registry.yarnpkg.com/delayed-stream/-/delayed-stream-1.0.0.tgz#df3ae199acadfb7d440aaae0b29e2272b24ec619"
far@~0.0.7:
version "0.0.7"
resolved "https://registry.yarnpkg.com/far/-/far-0.0.7.tgz#01c1fd362bcd26ce9cf161af3938aa34619f79a7"
dependencies:
oop "0.0.3"
oop@0.0.3:
version "0.0.3"
resolved "https://registry.yarnpkg.com/oop/-/oop-0.0.3.tgz#70fa405a5650891a194fdc82ca68dad6dabf4401"
+1
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test
+19
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@@ -0,0 +1,19 @@
Copyright (c) 2011 Debuggable Limited <felix@debuggable.com>
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
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SHELL := /bin/bash
test:
@./test/run.js
.PHONY: test
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# delayed-stream
Buffers events from a stream until you are ready to handle them.
## Installation
``` bash
npm install delayed-stream
```
## Usage
The following example shows how to write a http echo server that delays its
response by 1000 ms.
``` javascript
var DelayedStream = require('delayed-stream');
var http = require('http');
http.createServer(function(req, res) {
var delayed = DelayedStream.create(req);
setTimeout(function() {
res.writeHead(200);
delayed.pipe(res);
}, 1000);
});
```
If you are not using `Stream#pipe`, you can also manually release the buffered
events by calling `delayedStream.resume()`:
``` javascript
var delayed = DelayedStream.create(req);
setTimeout(function() {
// Emit all buffered events and resume underlaying source
delayed.resume();
}, 1000);
```
## Implementation
In order to use this meta stream properly, here are a few things you should
know about the implementation.
### Event Buffering / Proxying
All events of the `source` stream are hijacked by overwriting the `source.emit`
method. Until node implements a catch-all event listener, this is the only way.
However, delayed-stream still continues to emit all events it captures on the
`source`, regardless of whether you have released the delayed stream yet or
not.
Upon creation, delayed-stream captures all `source` events and stores them in
an internal event buffer. Once `delayedStream.release()` is called, all
buffered events are emitted on the `delayedStream`, and the event buffer is
cleared. After that, delayed-stream merely acts as a proxy for the underlaying
source.
### Error handling
Error events on `source` are buffered / proxied just like any other events.
However, `delayedStream.create` attaches a no-op `'error'` listener to the
`source`. This way you only have to handle errors on the `delayedStream`
object, rather than in two places.
### Buffer limits
delayed-stream provides a `maxDataSize` property that can be used to limit
the amount of data being buffered. In order to protect you from bad `source`
streams that don't react to `source.pause()`, this feature is enabled by
default.
## API
### DelayedStream.create(source, [options])
Returns a new `delayedStream`. Available options are:
* `pauseStream`
* `maxDataSize`
The description for those properties can be found below.
### delayedStream.source
The `source` stream managed by this object. This is useful if you are
passing your `delayedStream` around, and you still want to access properties
on the `source` object.
### delayedStream.pauseStream = true
Whether to pause the underlaying `source` when calling
`DelayedStream.create()`. Modifying this property afterwards has no effect.
### delayedStream.maxDataSize = 1024 * 1024
The amount of data to buffer before emitting an `error`.
If the underlaying source is emitting `Buffer` objects, the `maxDataSize`
refers to bytes.
If the underlaying source is emitting JavaScript strings, the size refers to
characters.
If you know what you are doing, you can set this property to `Infinity` to
disable this feature. You can also modify this property during runtime.
### delayedStream.dataSize = 0
The amount of data buffered so far.
### delayedStream.readable
An ECMA5 getter that returns the value of `source.readable`.
### delayedStream.resume()
If the `delayedStream` has not been released so far, `delayedStream.release()`
is called.
In either case, `source.resume()` is called.
### delayedStream.pause()
Calls `source.pause()`.
### delayedStream.pipe(dest)
Calls `delayedStream.resume()` and then proxies the arguments to `source.pipe`.
### delayedStream.release()
Emits and clears all events that have been buffered up so far. This does not
resume the underlaying source, use `delayedStream.resume()` instead.
## License
delayed-stream is licensed under the MIT license.
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var Stream = require('stream').Stream;
var util = require('util');
module.exports = DelayedStream;
function DelayedStream() {
this.source = null;
this.dataSize = 0;
this.maxDataSize = 1024 * 1024;
this.pauseStream = true;
this._maxDataSizeExceeded = false;
this._released = false;
this._bufferedEvents = [];
}
util.inherits(DelayedStream, Stream);
DelayedStream.create = function(source, options) {
var delayedStream = new this();
options = options || {};
for (var option in options) {
delayedStream[option] = options[option];
}
delayedStream.source = source;
var realEmit = source.emit;
source.emit = function() {
delayedStream._handleEmit(arguments);
return realEmit.apply(source, arguments);
};
source.on('error', function() {});
if (delayedStream.pauseStream) {
source.pause();
}
return delayedStream;
};
Object.defineProperty(DelayedStream.prototype, 'readable', {
configurable: true,
enumerable: true,
get: function() {
return this.source.readable;
}
});
DelayedStream.prototype.setEncoding = function() {
return this.source.setEncoding.apply(this.source, arguments);
};
DelayedStream.prototype.resume = function() {
if (!this._released) {
this.release();
}
this.source.resume();
};
DelayedStream.prototype.pause = function() {
this.source.pause();
};
DelayedStream.prototype.release = function() {
this._released = true;
this._bufferedEvents.forEach(function(args) {
this.emit.apply(this, args);
}.bind(this));
this._bufferedEvents = [];
};
DelayedStream.prototype.pipe = function() {
var r = Stream.prototype.pipe.apply(this, arguments);
this.resume();
return r;
};
DelayedStream.prototype._handleEmit = function(args) {
if (this._released) {
this.emit.apply(this, args);
return;
}
if (args[0] === 'data') {
this.dataSize += args[1].length;
this._checkIfMaxDataSizeExceeded();
}
this._bufferedEvents.push(args);
};
DelayedStream.prototype._checkIfMaxDataSizeExceeded = function() {
if (this._maxDataSizeExceeded) {
return;
}
if (this.dataSize <= this.maxDataSize) {
return;
}
this._maxDataSizeExceeded = true;
var message =
'DelayedStream#maxDataSize of ' + this.maxDataSize + ' bytes exceeded.'
this.emit('error', new Error(message));
};
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{
"author": "Felix Geisendörfer <felix@debuggable.com> (http://debuggable.com/)",
"contributors": [
"Mike Atkins <apeherder@gmail.com>"
],
"name": "delayed-stream",
"description": "Buffers events from a stream until you are ready to handle them.",
"license": "MIT",
"version": "1.0.0",
"homepage": "https://github.com/felixge/node-delayed-stream",
"repository": {
"type": "git",
"url": "git://github.com/felixge/node-delayed-stream.git"
},
"main": "./lib/delayed_stream",
"engines": {
"node": ">=0.4.0"
},
"scripts": {
"test": "make test"
},
"dependencies": {},
"devDependencies": {
"fake": "0.2.0",
"far": "0.0.1"
}
}
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Copyright (c) 2012 Felix Geisendörfer (felix@debuggable.com) and contributors
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
+358
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# Form-Data [![NPM Module](https://img.shields.io/npm/v/form-data.svg)](https://www.npmjs.com/package/form-data) [![Join the chat at https://gitter.im/form-data/form-data](http://form-data.github.io/images/gitterbadge.svg)](https://gitter.im/form-data/form-data)
A library to create readable ```"multipart/form-data"``` streams. Can be used to submit forms and file uploads to other web applications.
The API of this library is inspired by the [XMLHttpRequest-2 FormData Interface][xhr2-fd].
[xhr2-fd]: http://dev.w3.org/2006/webapi/XMLHttpRequest-2/Overview.html#the-formdata-interface
[![Linux Build](https://img.shields.io/travis/form-data/form-data/v4.0.0.svg?label=linux:6.x-12.x)](https://travis-ci.org/form-data/form-data)
[![MacOS Build](https://img.shields.io/travis/form-data/form-data/v4.0.0.svg?label=macos:6.x-12.x)](https://travis-ci.org/form-data/form-data)
[![Windows Build](https://img.shields.io/travis/form-data/form-data/v4.0.0.svg?label=windows:6.x-12.x)](https://travis-ci.org/form-data/form-data)
[![Coverage Status](https://img.shields.io/coveralls/form-data/form-data/v4.0.0.svg?label=code+coverage)](https://coveralls.io/github/form-data/form-data?branch=master)
[![Dependency Status](https://img.shields.io/david/form-data/form-data.svg)](https://david-dm.org/form-data/form-data)
## Install
```
npm install --save form-data
```
## Usage
In this example we are constructing a form with 3 fields that contain a string,
a buffer and a file stream.
``` javascript
var FormData = require('form-data');
var fs = require('fs');
var form = new FormData();
form.append('my_field', 'my value');
form.append('my_buffer', new Buffer(10));
form.append('my_file', fs.createReadStream('/foo/bar.jpg'));
```
Also you can use http-response stream:
``` javascript
var FormData = require('form-data');
var http = require('http');
var form = new FormData();
http.request('http://nodejs.org/images/logo.png', function(response) {
form.append('my_field', 'my value');
form.append('my_buffer', new Buffer(10));
form.append('my_logo', response);
});
```
Or @mikeal's [request](https://github.com/request/request) stream:
``` javascript
var FormData = require('form-data');
var request = require('request');
var form = new FormData();
form.append('my_field', 'my value');
form.append('my_buffer', new Buffer(10));
form.append('my_logo', request('http://nodejs.org/images/logo.png'));
```
In order to submit this form to a web application, call ```submit(url, [callback])``` method:
``` javascript
form.submit('http://example.org/', function(err, res) {
// res response object (http.IncomingMessage) //
res.resume();
});
```
For more advanced request manipulations ```submit()``` method returns ```http.ClientRequest``` object, or you can choose from one of the alternative submission methods.
### Custom options
You can provide custom options, such as `maxDataSize`:
``` javascript
var FormData = require('form-data');
var form = new FormData({ maxDataSize: 20971520 });
form.append('my_field', 'my value');
form.append('my_buffer', /* something big */);
```
List of available options could be found in [combined-stream](https://github.com/felixge/node-combined-stream/blob/master/lib/combined_stream.js#L7-L15)
### Alternative submission methods
You can use node's http client interface:
``` javascript
var http = require('http');
var request = http.request({
method: 'post',
host: 'example.org',
path: '/upload',
headers: form.getHeaders()
});
form.pipe(request);
request.on('response', function(res) {
console.log(res.statusCode);
});
```
Or if you would prefer the `'Content-Length'` header to be set for you:
``` javascript
form.submit('example.org/upload', function(err, res) {
console.log(res.statusCode);
});
```
To use custom headers and pre-known length in parts:
``` javascript
var CRLF = '\r\n';
var form = new FormData();
var options = {
header: CRLF + '--' + form.getBoundary() + CRLF + 'X-Custom-Header: 123' + CRLF + CRLF,
knownLength: 1
};
form.append('my_buffer', buffer, options);
form.submit('http://example.com/', function(err, res) {
if (err) throw err;
console.log('Done');
});
```
Form-Data can recognize and fetch all the required information from common types of streams (```fs.readStream```, ```http.response``` and ```mikeal's request```), for some other types of streams you'd need to provide "file"-related information manually:
``` javascript
someModule.stream(function(err, stdout, stderr) {
if (err) throw err;
var form = new FormData();
form.append('file', stdout, {
filename: 'unicycle.jpg', // ... or:
filepath: 'photos/toys/unicycle.jpg',
contentType: 'image/jpeg',
knownLength: 19806
});
form.submit('http://example.com/', function(err, res) {
if (err) throw err;
console.log('Done');
});
});
```
The `filepath` property overrides `filename` and may contain a relative path. This is typically used when uploading [multiple files from a directory](https://wicg.github.io/entries-api/#dom-htmlinputelement-webkitdirectory).
For edge cases, like POST request to URL with query string or to pass HTTP auth credentials, object can be passed to `form.submit()` as first parameter:
``` javascript
form.submit({
host: 'example.com',
path: '/probably.php?extra=params',
auth: 'username:password'
}, function(err, res) {
console.log(res.statusCode);
});
```
In case you need to also send custom HTTP headers with the POST request, you can use the `headers` key in first parameter of `form.submit()`:
``` javascript
form.submit({
host: 'example.com',
path: '/surelynot.php',
headers: {'x-test-header': 'test-header-value'}
}, function(err, res) {
console.log(res.statusCode);
});
```
### Methods
- [_Void_ append( **String** _field_, **Mixed** _value_ [, **Mixed** _options_] )](https://github.com/form-data/form-data#void-append-string-field-mixed-value--mixed-options-).
- [_Headers_ getHeaders( [**Headers** _userHeaders_] )](https://github.com/form-data/form-data#array-getheaders-array-userheaders-)
- [_String_ getBoundary()](https://github.com/form-data/form-data#string-getboundary)
- [_Void_ setBoundary()](https://github.com/form-data/form-data#void-setboundary)
- [_Buffer_ getBuffer()](https://github.com/form-data/form-data#buffer-getbuffer)
- [_Integer_ getLengthSync()](https://github.com/form-data/form-data#integer-getlengthsync)
- [_Integer_ getLength( **function** _callback_ )](https://github.com/form-data/form-data#integer-getlength-function-callback-)
- [_Boolean_ hasKnownLength()](https://github.com/form-data/form-data#boolean-hasknownlength)
- [_Request_ submit( _params_, **function** _callback_ )](https://github.com/form-data/form-data#request-submit-params-function-callback-)
- [_String_ toString()](https://github.com/form-data/form-data#string-tostring)
#### _Void_ append( **String** _field_, **Mixed** _value_ [, **Mixed** _options_] )
Append data to the form. You can submit about any format (string, integer, boolean, buffer, etc.). However, Arrays are not supported and need to be turned into strings by the user.
```javascript
var form = new FormData();
form.append( 'my_string', 'my value' );
form.append( 'my_integer', 1 );
form.append( 'my_boolean', true );
form.append( 'my_buffer', new Buffer(10) );
form.append( 'my_array_as_json', JSON.stringify( ['bird','cute'] ) )
```
You may provide a string for options, or an object.
```javascript
// Set filename by providing a string for options
form.append( 'my_file', fs.createReadStream('/foo/bar.jpg'), 'bar.jpg' );
// provide an object.
form.append( 'my_file', fs.createReadStream('/foo/bar.jpg'), {filename: 'bar.jpg', contentType: 'image/jpeg', knownLength: 19806} );
```
#### _Headers_ getHeaders( [**Headers** _userHeaders_] )
This method adds the correct `content-type` header to the provided array of `userHeaders`.
#### _String_ getBoundary()
Return the boundary of the formData. By default, the boundary consists of 26 `-` followed by 24 numbers
for example:
```javascript
--------------------------515890814546601021194782
```
#### _Void_ setBoundary(String _boundary_)
Set the boundary string, overriding the default behavior described above.
_Note: The boundary must be unique and may not appear in the data._
#### _Buffer_ getBuffer()
Return the full formdata request package, as a Buffer. You can insert this Buffer in e.g. Axios to send multipart data.
```javascript
var form = new FormData();
form.append( 'my_buffer', Buffer.from([0x4a,0x42,0x20,0x52,0x6f,0x63,0x6b,0x73]) );
form.append( 'my_file', fs.readFileSync('/foo/bar.jpg') );
axios.post( 'https://example.com/path/to/api',
form.getBuffer(),
form.getHeaders()
)
```
**Note:** Because the output is of type Buffer, you can only append types that are accepted by Buffer: *string, Buffer, ArrayBuffer, Array, or Array-like Object*. A ReadStream for example will result in an error.
#### _Integer_ getLengthSync()
Same as `getLength` but synchronous.
_Note: getLengthSync __doesn't__ calculate streams length._
#### _Integer_ getLength( **function** _callback_ )
Returns the `Content-Length` async. The callback is used to handle errors and continue once the length has been calculated
```javascript
this.getLength(function(err, length) {
if (err) {
this._error(err);
return;
}
// add content length
request.setHeader('Content-Length', length);
...
}.bind(this));
```
#### _Boolean_ hasKnownLength()
Checks if the length of added values is known.
#### _Request_ submit( _params_, **function** _callback_ )
Submit the form to a web application.
```javascript
var form = new FormData();
form.append( 'my_string', 'Hello World' );
form.submit( 'http://example.com/', function(err, res) {
// res response object (http.IncomingMessage) //
res.resume();
} );
```
#### _String_ toString()
Returns the form data as a string. Don't use this if you are sending files or buffers, use `getBuffer()` instead.
### Integration with other libraries
#### Request
Form submission using [request](https://github.com/request/request):
```javascript
var formData = {
my_field: 'my_value',
my_file: fs.createReadStream(__dirname + '/unicycle.jpg'),
};
request.post({url:'http://service.com/upload', formData: formData}, function(err, httpResponse, body) {
if (err) {
return console.error('upload failed:', err);
}
console.log('Upload successful! Server responded with:', body);
});
```
For more details see [request readme](https://github.com/request/request#multipartform-data-multipart-form-uploads).
#### node-fetch
You can also submit a form using [node-fetch](https://github.com/bitinn/node-fetch):
```javascript
var form = new FormData();
form.append('a', 1);
fetch('http://example.com', { method: 'POST', body: form })
.then(function(res) {
return res.json();
}).then(function(json) {
console.log(json);
});
```
#### axios
In Node.js you can post a file using [axios](https://github.com/axios/axios):
```javascript
const form = new FormData();
const stream = fs.createReadStream(PATH_TO_FILE);
form.append('image', stream);
// In Node.js environment you need to set boundary in the header field 'Content-Type' by calling method `getHeaders`
const formHeaders = form.getHeaders();
axios.post('http://example.com', form, {
headers: {
...formHeaders,
},
})
.then(response => response)
.catch(error => error)
```
## Notes
- ```getLengthSync()``` method DOESN'T calculate length for streams, use ```knownLength``` options as workaround.
- ```getLength(cb)``` will send an error as first parameter of callback if stream length cannot be calculated (e.g. send in custom streams w/o using ```knownLength```).
- ```submit``` will not add `content-length` if form length is unknown or not calculable.
- Starting version `2.x` FormData has dropped support for `node@0.10.x`.
- Starting version `3.x` FormData has dropped support for `node@4.x`.
## License
Form-Data is released under the [MIT](License) license.
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# Form-Data [![NPM Module](https://img.shields.io/npm/v/form-data.svg)](https://www.npmjs.com/package/form-data) [![Join the chat at https://gitter.im/form-data/form-data](http://form-data.github.io/images/gitterbadge.svg)](https://gitter.im/form-data/form-data)
A library to create readable ```"multipart/form-data"``` streams. Can be used to submit forms and file uploads to other web applications.
The API of this library is inspired by the [XMLHttpRequest-2 FormData Interface][xhr2-fd].
[xhr2-fd]: http://dev.w3.org/2006/webapi/XMLHttpRequest-2/Overview.html#the-formdata-interface
[![Linux Build](https://img.shields.io/travis/form-data/form-data/v4.0.0.svg?label=linux:6.x-12.x)](https://travis-ci.org/form-data/form-data)
[![MacOS Build](https://img.shields.io/travis/form-data/form-data/v4.0.0.svg?label=macos:6.x-12.x)](https://travis-ci.org/form-data/form-data)
[![Windows Build](https://img.shields.io/travis/form-data/form-data/v4.0.0.svg?label=windows:6.x-12.x)](https://travis-ci.org/form-data/form-data)
[![Coverage Status](https://img.shields.io/coveralls/form-data/form-data/v4.0.0.svg?label=code+coverage)](https://coveralls.io/github/form-data/form-data?branch=master)
[![Dependency Status](https://img.shields.io/david/form-data/form-data.svg)](https://david-dm.org/form-data/form-data)
## Install
```
npm install --save form-data
```
## Usage
In this example we are constructing a form with 3 fields that contain a string,
a buffer and a file stream.
``` javascript
var FormData = require('form-data');
var fs = require('fs');
var form = new FormData();
form.append('my_field', 'my value');
form.append('my_buffer', new Buffer(10));
form.append('my_file', fs.createReadStream('/foo/bar.jpg'));
```
Also you can use http-response stream:
``` javascript
var FormData = require('form-data');
var http = require('http');
var form = new FormData();
http.request('http://nodejs.org/images/logo.png', function(response) {
form.append('my_field', 'my value');
form.append('my_buffer', new Buffer(10));
form.append('my_logo', response);
});
```
Or @mikeal's [request](https://github.com/request/request) stream:
``` javascript
var FormData = require('form-data');
var request = require('request');
var form = new FormData();
form.append('my_field', 'my value');
form.append('my_buffer', new Buffer(10));
form.append('my_logo', request('http://nodejs.org/images/logo.png'));
```
In order to submit this form to a web application, call ```submit(url, [callback])``` method:
``` javascript
form.submit('http://example.org/', function(err, res) {
// res response object (http.IncomingMessage) //
res.resume();
});
```
For more advanced request manipulations ```submit()``` method returns ```http.ClientRequest``` object, or you can choose from one of the alternative submission methods.
### Custom options
You can provide custom options, such as `maxDataSize`:
``` javascript
var FormData = require('form-data');
var form = new FormData({ maxDataSize: 20971520 });
form.append('my_field', 'my value');
form.append('my_buffer', /* something big */);
```
List of available options could be found in [combined-stream](https://github.com/felixge/node-combined-stream/blob/master/lib/combined_stream.js#L7-L15)
### Alternative submission methods
You can use node's http client interface:
``` javascript
var http = require('http');
var request = http.request({
method: 'post',
host: 'example.org',
path: '/upload',
headers: form.getHeaders()
});
form.pipe(request);
request.on('response', function(res) {
console.log(res.statusCode);
});
```
Or if you would prefer the `'Content-Length'` header to be set for you:
``` javascript
form.submit('example.org/upload', function(err, res) {
console.log(res.statusCode);
});
```
To use custom headers and pre-known length in parts:
``` javascript
var CRLF = '\r\n';
var form = new FormData();
var options = {
header: CRLF + '--' + form.getBoundary() + CRLF + 'X-Custom-Header: 123' + CRLF + CRLF,
knownLength: 1
};
form.append('my_buffer', buffer, options);
form.submit('http://example.com/', function(err, res) {
if (err) throw err;
console.log('Done');
});
```
Form-Data can recognize and fetch all the required information from common types of streams (```fs.readStream```, ```http.response``` and ```mikeal's request```), for some other types of streams you'd need to provide "file"-related information manually:
``` javascript
someModule.stream(function(err, stdout, stderr) {
if (err) throw err;
var form = new FormData();
form.append('file', stdout, {
filename: 'unicycle.jpg', // ... or:
filepath: 'photos/toys/unicycle.jpg',
contentType: 'image/jpeg',
knownLength: 19806
});
form.submit('http://example.com/', function(err, res) {
if (err) throw err;
console.log('Done');
});
});
```
The `filepath` property overrides `filename` and may contain a relative path. This is typically used when uploading [multiple files from a directory](https://wicg.github.io/entries-api/#dom-htmlinputelement-webkitdirectory).
For edge cases, like POST request to URL with query string or to pass HTTP auth credentials, object can be passed to `form.submit()` as first parameter:
``` javascript
form.submit({
host: 'example.com',
path: '/probably.php?extra=params',
auth: 'username:password'
}, function(err, res) {
console.log(res.statusCode);
});
```
In case you need to also send custom HTTP headers with the POST request, you can use the `headers` key in first parameter of `form.submit()`:
``` javascript
form.submit({
host: 'example.com',
path: '/surelynot.php',
headers: {'x-test-header': 'test-header-value'}
}, function(err, res) {
console.log(res.statusCode);
});
```
### Methods
- [_Void_ append( **String** _field_, **Mixed** _value_ [, **Mixed** _options_] )](https://github.com/form-data/form-data#void-append-string-field-mixed-value--mixed-options-).
- [_Headers_ getHeaders( [**Headers** _userHeaders_] )](https://github.com/form-data/form-data#array-getheaders-array-userheaders-)
- [_String_ getBoundary()](https://github.com/form-data/form-data#string-getboundary)
- [_Void_ setBoundary()](https://github.com/form-data/form-data#void-setboundary)
- [_Buffer_ getBuffer()](https://github.com/form-data/form-data#buffer-getbuffer)
- [_Integer_ getLengthSync()](https://github.com/form-data/form-data#integer-getlengthsync)
- [_Integer_ getLength( **function** _callback_ )](https://github.com/form-data/form-data#integer-getlength-function-callback-)
- [_Boolean_ hasKnownLength()](https://github.com/form-data/form-data#boolean-hasknownlength)
- [_Request_ submit( _params_, **function** _callback_ )](https://github.com/form-data/form-data#request-submit-params-function-callback-)
- [_String_ toString()](https://github.com/form-data/form-data#string-tostring)
#### _Void_ append( **String** _field_, **Mixed** _value_ [, **Mixed** _options_] )
Append data to the form. You can submit about any format (string, integer, boolean, buffer, etc.). However, Arrays are not supported and need to be turned into strings by the user.
```javascript
var form = new FormData();
form.append( 'my_string', 'my value' );
form.append( 'my_integer', 1 );
form.append( 'my_boolean', true );
form.append( 'my_buffer', new Buffer(10) );
form.append( 'my_array_as_json', JSON.stringify( ['bird','cute'] ) )
```
You may provide a string for options, or an object.
```javascript
// Set filename by providing a string for options
form.append( 'my_file', fs.createReadStream('/foo/bar.jpg'), 'bar.jpg' );
// provide an object.
form.append( 'my_file', fs.createReadStream('/foo/bar.jpg'), {filename: 'bar.jpg', contentType: 'image/jpeg', knownLength: 19806} );
```
#### _Headers_ getHeaders( [**Headers** _userHeaders_] )
This method adds the correct `content-type` header to the provided array of `userHeaders`.
#### _String_ getBoundary()
Return the boundary of the formData. By default, the boundary consists of 26 `-` followed by 24 numbers
for example:
```javascript
--------------------------515890814546601021194782
```
#### _Void_ setBoundary(String _boundary_)
Set the boundary string, overriding the default behavior described above.
_Note: The boundary must be unique and may not appear in the data._
#### _Buffer_ getBuffer()
Return the full formdata request package, as a Buffer. You can insert this Buffer in e.g. Axios to send multipart data.
```javascript
var form = new FormData();
form.append( 'my_buffer', Buffer.from([0x4a,0x42,0x20,0x52,0x6f,0x63,0x6b,0x73]) );
form.append( 'my_file', fs.readFileSync('/foo/bar.jpg') );
axios.post( 'https://example.com/path/to/api',
form.getBuffer(),
form.getHeaders()
)
```
**Note:** Because the output is of type Buffer, you can only append types that are accepted by Buffer: *string, Buffer, ArrayBuffer, Array, or Array-like Object*. A ReadStream for example will result in an error.
#### _Integer_ getLengthSync()
Same as `getLength` but synchronous.
_Note: getLengthSync __doesn't__ calculate streams length._
#### _Integer_ getLength( **function** _callback_ )
Returns the `Content-Length` async. The callback is used to handle errors and continue once the length has been calculated
```javascript
this.getLength(function(err, length) {
if (err) {
this._error(err);
return;
}
// add content length
request.setHeader('Content-Length', length);
...
}.bind(this));
```
#### _Boolean_ hasKnownLength()
Checks if the length of added values is known.
#### _Request_ submit( _params_, **function** _callback_ )
Submit the form to a web application.
```javascript
var form = new FormData();
form.append( 'my_string', 'Hello World' );
form.submit( 'http://example.com/', function(err, res) {
// res response object (http.IncomingMessage) //
res.resume();
} );
```
#### _String_ toString()
Returns the form data as a string. Don't use this if you are sending files or buffers, use `getBuffer()` instead.
### Integration with other libraries
#### Request
Form submission using [request](https://github.com/request/request):
```javascript
var formData = {
my_field: 'my_value',
my_file: fs.createReadStream(__dirname + '/unicycle.jpg'),
};
request.post({url:'http://service.com/upload', formData: formData}, function(err, httpResponse, body) {
if (err) {
return console.error('upload failed:', err);
}
console.log('Upload successful! Server responded with:', body);
});
```
For more details see [request readme](https://github.com/request/request#multipartform-data-multipart-form-uploads).
#### node-fetch
You can also submit a form using [node-fetch](https://github.com/bitinn/node-fetch):
```javascript
var form = new FormData();
form.append('a', 1);
fetch('http://example.com', { method: 'POST', body: form })
.then(function(res) {
return res.json();
}).then(function(json) {
console.log(json);
});
```
#### axios
In Node.js you can post a file using [axios](https://github.com/axios/axios):
```javascript
const form = new FormData();
const stream = fs.createReadStream(PATH_TO_FILE);
form.append('image', stream);
// In Node.js environment you need to set boundary in the header field 'Content-Type' by calling method `getHeaders`
const formHeaders = form.getHeaders();
axios.post('http://example.com', form, {
headers: {
...formHeaders,
},
})
.then(response => response)
.catch(error => error)
```
## Notes
- ```getLengthSync()``` method DOESN'T calculate length for streams, use ```knownLength``` options as workaround.
- ```getLength(cb)``` will send an error as first parameter of callback if stream length cannot be calculated (e.g. send in custom streams w/o using ```knownLength```).
- ```submit``` will not add `content-length` if form length is unknown or not calculable.
- Starting version `2.x` FormData has dropped support for `node@0.10.x`.
- Starting version `3.x` FormData has dropped support for `node@4.x`.
## License
Form-Data is released under the [MIT](License) license.
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// Definitions by: Carlos Ballesteros Velasco <https://github.com/soywiz>
// Leon Yu <https://github.com/leonyu>
// BendingBender <https://github.com/BendingBender>
// Maple Miao <https://github.com/mapleeit>
/// <reference types="node" />
import * as stream from 'stream';
import * as http from 'http';
export = FormData;
// Extracted because @types/node doesn't export interfaces.
interface ReadableOptions {
highWaterMark?: number;
encoding?: string;
objectMode?: boolean;
read?(this: stream.Readable, size: number): void;
destroy?(this: stream.Readable, error: Error | null, callback: (error: Error | null) => void): void;
autoDestroy?: boolean;
}
interface Options extends ReadableOptions {
writable?: boolean;
readable?: boolean;
dataSize?: number;
maxDataSize?: number;
pauseStreams?: boolean;
}
declare class FormData extends stream.Readable {
constructor(options?: Options);
append(key: string, value: any, options?: FormData.AppendOptions | string): void;
getHeaders(userHeaders?: FormData.Headers): FormData.Headers;
submit(
params: string | FormData.SubmitOptions,
callback?: (error: Error | null, response: http.IncomingMessage) => void
): http.ClientRequest;
getBuffer(): Buffer;
setBoundary(boundary: string): void;
getBoundary(): string;
getLength(callback: (err: Error | null, length: number) => void): void;
getLengthSync(): number;
hasKnownLength(): boolean;
}
declare namespace FormData {
interface Headers {
[key: string]: any;
}
interface AppendOptions {
header?: string | Headers;
knownLength?: number;
filename?: string;
filepath?: string;
contentType?: string;
}
interface SubmitOptions extends http.RequestOptions {
protocol?: 'https:' | 'http:';
}
}
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/* eslint-env browser */
module.exports = typeof self == 'object' ? self.FormData : window.FormData;
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var CombinedStream = require('combined-stream');
var util = require('util');
var path = require('path');
var http = require('http');
var https = require('https');
var parseUrl = require('url').parse;
var fs = require('fs');
var Stream = require('stream').Stream;
var mime = require('mime-types');
var asynckit = require('asynckit');
var populate = require('./populate.js');
// Public API
module.exports = FormData;
// make it a Stream
util.inherits(FormData, CombinedStream);
/**
* Create readable "multipart/form-data" streams.
* Can be used to submit forms
* and file uploads to other web applications.
*
* @constructor
* @param {Object} options - Properties to be added/overriden for FormData and CombinedStream
*/
function FormData(options) {
if (!(this instanceof FormData)) {
return new FormData(options);
}
this._overheadLength = 0;
this._valueLength = 0;
this._valuesToMeasure = [];
CombinedStream.call(this);
options = options || {};
for (var option in options) {
this[option] = options[option];
}
}
FormData.LINE_BREAK = '\r\n';
FormData.DEFAULT_CONTENT_TYPE = 'application/octet-stream';
FormData.prototype.append = function(field, value, options) {
options = options || {};
// allow filename as single option
if (typeof options == 'string') {
options = {filename: options};
}
var append = CombinedStream.prototype.append.bind(this);
// all that streamy business can't handle numbers
if (typeof value == 'number') {
value = '' + value;
}
// https://github.com/felixge/node-form-data/issues/38
if (util.isArray(value)) {
// Please convert your array into string
// the way web server expects it
this._error(new Error('Arrays are not supported.'));
return;
}
var header = this._multiPartHeader(field, value, options);
var footer = this._multiPartFooter();
append(header);
append(value);
append(footer);
// pass along options.knownLength
this._trackLength(header, value, options);
};
FormData.prototype._trackLength = function(header, value, options) {
var valueLength = 0;
// used w/ getLengthSync(), when length is known.
// e.g. for streaming directly from a remote server,
// w/ a known file a size, and not wanting to wait for
// incoming file to finish to get its size.
if (options.knownLength != null) {
valueLength += +options.knownLength;
} else if (Buffer.isBuffer(value)) {
valueLength = value.length;
} else if (typeof value === 'string') {
valueLength = Buffer.byteLength(value);
}
this._valueLength += valueLength;
// @check why add CRLF? does this account for custom/multiple CRLFs?
this._overheadLength +=
Buffer.byteLength(header) +
FormData.LINE_BREAK.length;
// empty or either doesn't have path or not an http response or not a stream
if (!value || ( !value.path && !(value.readable && value.hasOwnProperty('httpVersion')) && !(value instanceof Stream))) {
return;
}
// no need to bother with the length
if (!options.knownLength) {
this._valuesToMeasure.push(value);
}
};
FormData.prototype._lengthRetriever = function(value, callback) {
if (value.hasOwnProperty('fd')) {
// take read range into a account
// `end` = Infinity > read file till the end
//
// TODO: Looks like there is bug in Node fs.createReadStream
// it doesn't respect `end` options without `start` options
// Fix it when node fixes it.
// https://github.com/joyent/node/issues/7819
if (value.end != undefined && value.end != Infinity && value.start != undefined) {
// when end specified
// no need to calculate range
// inclusive, starts with 0
callback(null, value.end + 1 - (value.start ? value.start : 0));
// not that fast snoopy
} else {
// still need to fetch file size from fs
fs.stat(value.path, function(err, stat) {
var fileSize;
if (err) {
callback(err);
return;
}
// update final size based on the range options
fileSize = stat.size - (value.start ? value.start : 0);
callback(null, fileSize);
});
}
// or http response
} else if (value.hasOwnProperty('httpVersion')) {
callback(null, +value.headers['content-length']);
// or request stream http://github.com/mikeal/request
} else if (value.hasOwnProperty('httpModule')) {
// wait till response come back
value.on('response', function(response) {
value.pause();
callback(null, +response.headers['content-length']);
});
value.resume();
// something else
} else {
callback('Unknown stream');
}
};
FormData.prototype._multiPartHeader = function(field, value, options) {
// custom header specified (as string)?
// it becomes responsible for boundary
// (e.g. to handle extra CRLFs on .NET servers)
if (typeof options.header == 'string') {
return options.header;
}
var contentDisposition = this._getContentDisposition(value, options);
var contentType = this._getContentType(value, options);
var contents = '';
var headers = {
// add custom disposition as third element or keep it two elements if not
'Content-Disposition': ['form-data', 'name="' + field + '"'].concat(contentDisposition || []),
// if no content type. allow it to be empty array
'Content-Type': [].concat(contentType || [])
};
// allow custom headers.
if (typeof options.header == 'object') {
populate(headers, options.header);
}
var header;
for (var prop in headers) {
if (!headers.hasOwnProperty(prop)) continue;
header = headers[prop];
// skip nullish headers.
if (header == null) {
continue;
}
// convert all headers to arrays.
if (!Array.isArray(header)) {
header = [header];
}
// add non-empty headers.
if (header.length) {
contents += prop + ': ' + header.join('; ') + FormData.LINE_BREAK;
}
}
return '--' + this.getBoundary() + FormData.LINE_BREAK + contents + FormData.LINE_BREAK;
};
FormData.prototype._getContentDisposition = function(value, options) {
var filename
, contentDisposition
;
if (typeof options.filepath === 'string') {
// custom filepath for relative paths
filename = path.normalize(options.filepath).replace(/\\/g, '/');
} else if (options.filename || value.name || value.path) {
// custom filename take precedence
// formidable and the browser add a name property
// fs- and request- streams have path property
filename = path.basename(options.filename || value.name || value.path);
} else if (value.readable && value.hasOwnProperty('httpVersion')) {
// or try http response
filename = path.basename(value.client._httpMessage.path || '');
}
if (filename) {
contentDisposition = 'filename="' + filename + '"';
}
return contentDisposition;
};
FormData.prototype._getContentType = function(value, options) {
// use custom content-type above all
var contentType = options.contentType;
// or try `name` from formidable, browser
if (!contentType && value.name) {
contentType = mime.lookup(value.name);
}
// or try `path` from fs-, request- streams
if (!contentType && value.path) {
contentType = mime.lookup(value.path);
}
// or if it's http-reponse
if (!contentType && value.readable && value.hasOwnProperty('httpVersion')) {
contentType = value.headers['content-type'];
}
// or guess it from the filepath or filename
if (!contentType && (options.filepath || options.filename)) {
contentType = mime.lookup(options.filepath || options.filename);
}
// fallback to the default content type if `value` is not simple value
if (!contentType && typeof value == 'object') {
contentType = FormData.DEFAULT_CONTENT_TYPE;
}
return contentType;
};
FormData.prototype._multiPartFooter = function() {
return function(next) {
var footer = FormData.LINE_BREAK;
var lastPart = (this._streams.length === 0);
if (lastPart) {
footer += this._lastBoundary();
}
next(footer);
}.bind(this);
};
FormData.prototype._lastBoundary = function() {
return '--' + this.getBoundary() + '--' + FormData.LINE_BREAK;
};
FormData.prototype.getHeaders = function(userHeaders) {
var header;
var formHeaders = {
'content-type': 'multipart/form-data; boundary=' + this.getBoundary()
};
for (header in userHeaders) {
if (userHeaders.hasOwnProperty(header)) {
formHeaders[header.toLowerCase()] = userHeaders[header];
}
}
return formHeaders;
};
FormData.prototype.setBoundary = function(boundary) {
this._boundary = boundary;
};
FormData.prototype.getBoundary = function() {
if (!this._boundary) {
this._generateBoundary();
}
return this._boundary;
};
FormData.prototype.getBuffer = function() {
var dataBuffer = new Buffer.alloc( 0 );
var boundary = this.getBoundary();
// Create the form content. Add Line breaks to the end of data.
for (var i = 0, len = this._streams.length; i < len; i++) {
if (typeof this._streams[i] !== 'function') {
// Add content to the buffer.
if(Buffer.isBuffer(this._streams[i])) {
dataBuffer = Buffer.concat( [dataBuffer, this._streams[i]]);
}else {
dataBuffer = Buffer.concat( [dataBuffer, Buffer.from(this._streams[i])]);
}
// Add break after content.
if (typeof this._streams[i] !== 'string' || this._streams[i].substring( 2, boundary.length + 2 ) !== boundary) {
dataBuffer = Buffer.concat( [dataBuffer, Buffer.from(FormData.LINE_BREAK)] );
}
}
}
// Add the footer and return the Buffer object.
return Buffer.concat( [dataBuffer, Buffer.from(this._lastBoundary())] );
};
FormData.prototype._generateBoundary = function() {
// This generates a 50 character boundary similar to those used by Firefox.
// They are optimized for boyer-moore parsing.
var boundary = '--------------------------';
for (var i = 0; i < 24; i++) {
boundary += Math.floor(Math.random() * 10).toString(16);
}
this._boundary = boundary;
};
// Note: getLengthSync DOESN'T calculate streams length
// As workaround one can calculate file size manually
// and add it as knownLength option
FormData.prototype.getLengthSync = function() {
var knownLength = this._overheadLength + this._valueLength;
// Don't get confused, there are 3 "internal" streams for each keyval pair
// so it basically checks if there is any value added to the form
if (this._streams.length) {
knownLength += this._lastBoundary().length;
}
// https://github.com/form-data/form-data/issues/40
if (!this.hasKnownLength()) {
// Some async length retrievers are present
// therefore synchronous length calculation is false.
// Please use getLength(callback) to get proper length
this._error(new Error('Cannot calculate proper length in synchronous way.'));
}
return knownLength;
};
// Public API to check if length of added values is known
// https://github.com/form-data/form-data/issues/196
// https://github.com/form-data/form-data/issues/262
FormData.prototype.hasKnownLength = function() {
var hasKnownLength = true;
if (this._valuesToMeasure.length) {
hasKnownLength = false;
}
return hasKnownLength;
};
FormData.prototype.getLength = function(cb) {
var knownLength = this._overheadLength + this._valueLength;
if (this._streams.length) {
knownLength += this._lastBoundary().length;
}
if (!this._valuesToMeasure.length) {
process.nextTick(cb.bind(this, null, knownLength));
return;
}
asynckit.parallel(this._valuesToMeasure, this._lengthRetriever, function(err, values) {
if (err) {
cb(err);
return;
}
values.forEach(function(length) {
knownLength += length;
});
cb(null, knownLength);
});
};
FormData.prototype.submit = function(params, cb) {
var request
, options
, defaults = {method: 'post'}
;
// parse provided url if it's string
// or treat it as options object
if (typeof params == 'string') {
params = parseUrl(params);
options = populate({
port: params.port,
path: params.pathname,
host: params.hostname,
protocol: params.protocol
}, defaults);
// use custom params
} else {
options = populate(params, defaults);
// if no port provided use default one
if (!options.port) {
options.port = options.protocol == 'https:' ? 443 : 80;
}
}
// put that good code in getHeaders to some use
options.headers = this.getHeaders(params.headers);
// https if specified, fallback to http in any other case
if (options.protocol == 'https:') {
request = https.request(options);
} else {
request = http.request(options);
}
// get content length and fire away
this.getLength(function(err, length) {
if (err && err !== 'Unknown stream') {
this._error(err);
return;
}
// add content length
if (length) {
request.setHeader('Content-Length', length);
}
this.pipe(request);
if (cb) {
var onResponse;
var callback = function (error, responce) {
request.removeListener('error', callback);
request.removeListener('response', onResponse);
return cb.call(this, error, responce);
};
onResponse = callback.bind(this, null);
request.on('error', callback);
request.on('response', onResponse);
}
}.bind(this));
return request;
};
FormData.prototype._error = function(err) {
if (!this.error) {
this.error = err;
this.pause();
this.emit('error', err);
}
};
FormData.prototype.toString = function () {
return '[object FormData]';
};
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// populates missing values
module.exports = function(dst, src) {
Object.keys(src).forEach(function(prop)
{
dst[prop] = dst[prop] || src[prop];
});
return dst;
};
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{
"author": "Felix Geisendörfer <felix@debuggable.com> (http://debuggable.com/)",
"name": "form-data",
"description": "A library to create readable \"multipart/form-data\" streams. Can be used to submit forms and file uploads to other web applications.",
"version": "4.0.0",
"repository": {
"type": "git",
"url": "git://github.com/form-data/form-data.git"
},
"main": "./lib/form_data",
"browser": "./lib/browser",
"typings": "./index.d.ts",
"scripts": {
"pretest": "rimraf coverage test/tmp",
"test": "istanbul cover test/run.js",
"posttest": "istanbul report lcov text",
"lint": "eslint lib/*.js test/*.js test/integration/*.js",
"report": "istanbul report lcov text",
"ci-lint": "is-node-modern 8 && npm run lint || is-node-not-modern 8",
"ci-test": "npm run test && npm run browser && npm run report",
"predebug": "rimraf coverage test/tmp",
"debug": "verbose=1 ./test/run.js",
"browser": "browserify -t browserify-istanbul test/run-browser.js | obake --coverage",
"check": "istanbul check-coverage coverage/coverage*.json",
"files": "pkgfiles --sort=name",
"get-version": "node -e \"console.log(require('./package.json').version)\"",
"update-readme": "sed -i.bak 's/\\/master\\.svg/\\/v'$(npm --silent run get-version)'.svg/g' README.md",
"restore-readme": "mv README.md.bak README.md",
"prepublish": "in-publish && npm run update-readme || not-in-publish",
"postpublish": "npm run restore-readme"
},
"pre-commit": [
"lint",
"ci-test",
"check"
],
"engines": {
"node": ">= 6"
},
"dependencies": {
"asynckit": "^0.4.0",
"combined-stream": "^1.0.8",
"mime-types": "^2.1.12"
},
"devDependencies": {
"@types/node": "^12.0.10",
"browserify": "^13.1.1",
"browserify-istanbul": "^2.0.0",
"coveralls": "^3.0.4",
"cross-spawn": "^6.0.5",
"eslint": "^6.0.1",
"fake": "^0.2.2",
"far": "^0.0.7",
"formidable": "^1.0.17",
"in-publish": "^2.0.0",
"is-node-modern": "^1.0.0",
"istanbul": "^0.4.5",
"obake": "^0.1.2",
"puppeteer": "^1.19.0",
"pkgfiles": "^2.3.0",
"pre-commit": "^1.1.3",
"request": "^2.88.0",
"rimraf": "^2.7.1",
"tape": "^4.6.2",
"typescript": "^3.5.2"
},
"license": "MIT"
}
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1.52.0 / 2022-02-21
===================
* Add extensions from IANA for more `image/*` types
* Add extension `.asc` to `application/pgp-keys`
* Add extensions to various XML types
* Add new upstream MIME types
1.51.0 / 2021-11-08
===================
* Add new upstream MIME types
* Mark `image/vnd.microsoft.icon` as compressible
* Mark `image/vnd.ms-dds` as compressible
1.50.0 / 2021-09-15
===================
* Add deprecated iWorks mime types and extensions
* Add new upstream MIME types
1.49.0 / 2021-07-26
===================
* Add extension `.trig` to `application/trig`
* Add new upstream MIME types
1.48.0 / 2021-05-30
===================
* Add extension `.mvt` to `application/vnd.mapbox-vector-tile`
* Add new upstream MIME types
* Mark `text/yaml` as compressible
1.47.0 / 2021-04-01
===================
* Add new upstream MIME types
* Remove ambigious extensions from IANA for `application/*+xml` types
* Update primary extension to `.es` for `application/ecmascript`
1.46.0 / 2021-02-13
===================
* Add extension `.amr` to `audio/amr`
* Add extension `.m4s` to `video/iso.segment`
* Add extension `.opus` to `audio/ogg`
* Add new upstream MIME types
1.45.0 / 2020-09-22
===================
* Add `application/ubjson` with extension `.ubj`
* Add `image/avif` with extension `.avif`
* Add `image/ktx2` with extension `.ktx2`
* Add extension `.dbf` to `application/vnd.dbf`
* Add extension `.rar` to `application/vnd.rar`
* Add extension `.td` to `application/urc-targetdesc+xml`
* Add new upstream MIME types
* Fix extension of `application/vnd.apple.keynote` to be `.key`
1.44.0 / 2020-04-22
===================
* Add charsets from IANA
* Add extension `.cjs` to `application/node`
* Add new upstream MIME types
1.43.0 / 2020-01-05
===================
* Add `application/x-keepass2` with extension `.kdbx`
* Add extension `.mxmf` to `audio/mobile-xmf`
* Add extensions from IANA for `application/*+xml` types
* Add new upstream MIME types
1.42.0 / 2019-09-25
===================
* Add `image/vnd.ms-dds` with extension `.dds`
* Add new upstream MIME types
* Remove compressible from `multipart/mixed`
1.41.0 / 2019-08-30
===================
* Add new upstream MIME types
* Add `application/toml` with extension `.toml`
* Mark `font/ttf` as compressible
1.40.0 / 2019-04-20
===================
* Add extensions from IANA for `model/*` types
* Add `text/mdx` with extension `.mdx`
1.39.0 / 2019-04-04
===================
* Add extensions `.siv` and `.sieve` to `application/sieve`
* Add new upstream MIME types
1.38.0 / 2019-02-04
===================
* Add extension `.nq` to `application/n-quads`
* Add extension `.nt` to `application/n-triples`
* Add new upstream MIME types
* Mark `text/less` as compressible
1.37.0 / 2018-10-19
===================
* Add extensions to HEIC image types
* Add new upstream MIME types
1.36.0 / 2018-08-20
===================
* Add Apple file extensions from IANA
* Add extensions from IANA for `image/*` types
* Add new upstream MIME types
1.35.0 / 2018-07-15
===================
* Add extension `.owl` to `application/rdf+xml`
* Add new upstream MIME types
- Removes extension `.woff` from `application/font-woff`
1.34.0 / 2018-06-03
===================
* Add extension `.csl` to `application/vnd.citationstyles.style+xml`
* Add extension `.es` to `application/ecmascript`
* Add new upstream MIME types
* Add `UTF-8` as default charset for `text/turtle`
* Mark all XML-derived types as compressible
1.33.0 / 2018-02-15
===================
* Add extensions from IANA for `message/*` types
* Add new upstream MIME types
* Fix some incorrect OOXML types
* Remove `application/font-woff2`
1.32.0 / 2017-11-29
===================
* Add new upstream MIME types
* Update `text/hjson` to registered `application/hjson`
* Add `text/shex` with extension `.shex`
1.31.0 / 2017-10-25
===================
* Add `application/raml+yaml` with extension `.raml`
* Add `application/wasm` with extension `.wasm`
* Add new `font` type from IANA
* Add new upstream font extensions
* Add new upstream MIME types
* Add extensions for JPEG-2000 images
1.30.0 / 2017-08-27
===================
* Add `application/vnd.ms-outlook`
* Add `application/x-arj`
* Add extension `.mjs` to `application/javascript`
* Add glTF types and extensions
* Add new upstream MIME types
* Add `text/x-org`
* Add VirtualBox MIME types
* Fix `source` records for `video/*` types that are IANA
* Update `font/opentype` to registered `font/otf`
1.29.0 / 2017-07-10
===================
* Add `application/fido.trusted-apps+json`
* Add extension `.wadl` to `application/vnd.sun.wadl+xml`
* Add new upstream MIME types
* Add `UTF-8` as default charset for `text/css`
1.28.0 / 2017-05-14
===================
* Add new upstream MIME types
* Add extension `.gz` to `application/gzip`
* Update extensions `.md` and `.markdown` to be `text/markdown`
1.27.0 / 2017-03-16
===================
* Add new upstream MIME types
* Add `image/apng` with extension `.apng`
1.26.0 / 2017-01-14
===================
* Add new upstream MIME types
* Add extension `.geojson` to `application/geo+json`
1.25.0 / 2016-11-11
===================
* Add new upstream MIME types
1.24.0 / 2016-09-18
===================
* Add `audio/mp3`
* Add new upstream MIME types
1.23.0 / 2016-05-01
===================
* Add new upstream MIME types
* Add extension `.3gpp` to `audio/3gpp`
1.22.0 / 2016-02-15
===================
* Add `text/slim`
* Add extension `.rng` to `application/xml`
* Add new upstream MIME types
* Fix extension of `application/dash+xml` to be `.mpd`
* Update primary extension to `.m4a` for `audio/mp4`
1.21.0 / 2016-01-06
===================
* Add Google document types
* Add new upstream MIME types
1.20.0 / 2015-11-10
===================
* Add `text/x-suse-ymp`
* Add new upstream MIME types
1.19.0 / 2015-09-17
===================
* Add `application/vnd.apple.pkpass`
* Add new upstream MIME types
1.18.0 / 2015-09-03
===================
* Add new upstream MIME types
1.17.0 / 2015-08-13
===================
* Add `application/x-msdos-program`
* Add `audio/g711-0`
* Add `image/vnd.mozilla.apng`
* Add extension `.exe` to `application/x-msdos-program`
1.16.0 / 2015-07-29
===================
* Add `application/vnd.uri-map`
1.15.0 / 2015-07-13
===================
* Add `application/x-httpd-php`
1.14.0 / 2015-06-25
===================
* Add `application/scim+json`
* Add `application/vnd.3gpp.ussd+xml`
* Add `application/vnd.biopax.rdf+xml`
* Add `text/x-processing`
1.13.0 / 2015-06-07
===================
* Add nginx as a source
* Add `application/x-cocoa`
* Add `application/x-java-archive-diff`
* Add `application/x-makeself`
* Add `application/x-perl`
* Add `application/x-pilot`
* Add `application/x-redhat-package-manager`
* Add `application/x-sea`
* Add `audio/x-m4a`
* Add `audio/x-realaudio`
* Add `image/x-jng`
* Add `text/mathml`
1.12.0 / 2015-06-05
===================
* Add `application/bdoc`
* Add `application/vnd.hyperdrive+json`
* Add `application/x-bdoc`
* Add extension `.rtf` to `text/rtf`
1.11.0 / 2015-05-31
===================
* Add `audio/wav`
* Add `audio/wave`
* Add extension `.litcoffee` to `text/coffeescript`
* Add extension `.sfd-hdstx` to `application/vnd.hydrostatix.sof-data`
* Add extension `.n-gage` to `application/vnd.nokia.n-gage.symbian.install`
1.10.0 / 2015-05-19
===================
* Add `application/vnd.balsamiq.bmpr`
* Add `application/vnd.microsoft.portable-executable`
* Add `application/x-ns-proxy-autoconfig`
1.9.1 / 2015-04-19
==================
* Remove `.json` extension from `application/manifest+json`
- This is causing bugs downstream
1.9.0 / 2015-04-19
==================
* Add `application/manifest+json`
* Add `application/vnd.micro+json`
* Add `image/vnd.zbrush.pcx`
* Add `image/x-ms-bmp`
1.8.0 / 2015-03-13
==================
* Add `application/vnd.citationstyles.style+xml`
* Add `application/vnd.fastcopy-disk-image`
* Add `application/vnd.gov.sk.xmldatacontainer+xml`
* Add extension `.jsonld` to `application/ld+json`
1.7.0 / 2015-02-08
==================
* Add `application/vnd.gerber`
* Add `application/vnd.msa-disk-image`
1.6.1 / 2015-02-05
==================
* Community extensions ownership transferred from `node-mime`
1.6.0 / 2015-01-29
==================
* Add `application/jose`
* Add `application/jose+json`
* Add `application/json-seq`
* Add `application/jwk+json`
* Add `application/jwk-set+json`
* Add `application/jwt`
* Add `application/rdap+json`
* Add `application/vnd.gov.sk.e-form+xml`
* Add `application/vnd.ims.imsccv1p3`
1.5.0 / 2014-12-30
==================
* Add `application/vnd.oracle.resource+json`
* Fix various invalid MIME type entries
- `application/mbox+xml`
- `application/oscp-response`
- `application/vwg-multiplexed`
- `audio/g721`
1.4.0 / 2014-12-21
==================
* Add `application/vnd.ims.imsccv1p2`
* Fix various invalid MIME type entries
- `application/vnd-acucobol`
- `application/vnd-curl`
- `application/vnd-dart`
- `application/vnd-dxr`
- `application/vnd-fdf`
- `application/vnd-mif`
- `application/vnd-sema`
- `application/vnd-wap-wmlc`
- `application/vnd.adobe.flash-movie`
- `application/vnd.dece-zip`
- `application/vnd.dvb_service`
- `application/vnd.micrografx-igx`
- `application/vnd.sealed-doc`
- `application/vnd.sealed-eml`
- `application/vnd.sealed-mht`
- `application/vnd.sealed-ppt`
- `application/vnd.sealed-tiff`
- `application/vnd.sealed-xls`
- `application/vnd.sealedmedia.softseal-html`
- `application/vnd.sealedmedia.softseal-pdf`
- `application/vnd.wap-slc`
- `application/vnd.wap-wbxml`
- `audio/vnd.sealedmedia.softseal-mpeg`
- `image/vnd-djvu`
- `image/vnd-svf`
- `image/vnd-wap-wbmp`
- `image/vnd.sealed-png`
- `image/vnd.sealedmedia.softseal-gif`
- `image/vnd.sealedmedia.softseal-jpg`
- `model/vnd-dwf`
- `model/vnd.parasolid.transmit-binary`
- `model/vnd.parasolid.transmit-text`
- `text/vnd-a`
- `text/vnd-curl`
- `text/vnd.wap-wml`
* Remove example template MIME types
- `application/example`
- `audio/example`
- `image/example`
- `message/example`
- `model/example`
- `multipart/example`
- `text/example`
- `video/example`
1.3.1 / 2014-12-16
==================
* Fix missing extensions
- `application/json5`
- `text/hjson`
1.3.0 / 2014-12-07
==================
* Add `application/a2l`
* Add `application/aml`
* Add `application/atfx`
* Add `application/atxml`
* Add `application/cdfx+xml`
* Add `application/dii`
* Add `application/json5`
* Add `application/lxf`
* Add `application/mf4`
* Add `application/vnd.apache.thrift.compact`
* Add `application/vnd.apache.thrift.json`
* Add `application/vnd.coffeescript`
* Add `application/vnd.enphase.envoy`
* Add `application/vnd.ims.imsccv1p1`
* Add `text/csv-schema`
* Add `text/hjson`
* Add `text/markdown`
* Add `text/yaml`
1.2.0 / 2014-11-09
==================
* Add `application/cea`
* Add `application/dit`
* Add `application/vnd.gov.sk.e-form+zip`
* Add `application/vnd.tmd.mediaflex.api+xml`
* Type `application/epub+zip` is now IANA-registered
1.1.2 / 2014-10-23
==================
* Rebuild database for `application/x-www-form-urlencoded` change
1.1.1 / 2014-10-20
==================
* Mark `application/x-www-form-urlencoded` as compressible.
1.1.0 / 2014-09-28
==================
* Add `application/font-woff2`
1.0.3 / 2014-09-25
==================
* Fix engine requirement in package
1.0.2 / 2014-09-25
==================
* Add `application/coap-group+json`
* Add `application/dcd`
* Add `application/vnd.apache.thrift.binary`
* Add `image/vnd.tencent.tap`
* Mark all JSON-derived types as compressible
* Update `text/vtt` data
1.0.1 / 2014-08-30
==================
* Fix extension ordering
1.0.0 / 2014-08-30
==================
* Add `application/atf`
* Add `application/merge-patch+json`
* Add `multipart/x-mixed-replace`
* Add `source: 'apache'` metadata
* Add `source: 'iana'` metadata
* Remove badly-assumed charset data
+23
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(The MIT License)
Copyright (c) 2014 Jonathan Ong <me@jongleberry.com>
Copyright (c) 2015-2022 Douglas Christopher Wilson <doug@somethingdoug.com>
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
'Software'), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+100
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# mime-db
[![NPM Version][npm-version-image]][npm-url]
[![NPM Downloads][npm-downloads-image]][npm-url]
[![Node.js Version][node-image]][node-url]
[![Build Status][ci-image]][ci-url]
[![Coverage Status][coveralls-image]][coveralls-url]
This is a large database of mime types and information about them.
It consists of a single, public JSON file and does not include any logic,
allowing it to remain as un-opinionated as possible with an API.
It aggregates data from the following sources:
- http://www.iana.org/assignments/media-types/media-types.xhtml
- http://svn.apache.org/repos/asf/httpd/httpd/trunk/docs/conf/mime.types
- http://hg.nginx.org/nginx/raw-file/default/conf/mime.types
## Installation
```bash
npm install mime-db
```
### Database Download
If you're crazy enough to use this in the browser, you can just grab the
JSON file using [jsDelivr](https://www.jsdelivr.com/). It is recommended to
replace `master` with [a release tag](https://github.com/jshttp/mime-db/tags)
as the JSON format may change in the future.
```
https://cdn.jsdelivr.net/gh/jshttp/mime-db@master/db.json
```
## Usage
```js
var db = require('mime-db')
// grab data on .js files
var data = db['application/javascript']
```
## Data Structure
The JSON file is a map lookup for lowercased mime types.
Each mime type has the following properties:
- `.source` - where the mime type is defined.
If not set, it's probably a custom media type.
- `apache` - [Apache common media types](http://svn.apache.org/repos/asf/httpd/httpd/trunk/docs/conf/mime.types)
- `iana` - [IANA-defined media types](http://www.iana.org/assignments/media-types/media-types.xhtml)
- `nginx` - [nginx media types](http://hg.nginx.org/nginx/raw-file/default/conf/mime.types)
- `.extensions[]` - known extensions associated with this mime type.
- `.compressible` - whether a file of this type can be gzipped.
- `.charset` - the default charset associated with this type, if any.
If unknown, every property could be `undefined`.
## Contributing
To edit the database, only make PRs against `src/custom-types.json` or
`src/custom-suffix.json`.
The `src/custom-types.json` file is a JSON object with the MIME type as the
keys and the values being an object with the following keys:
- `compressible` - leave out if you don't know, otherwise `true`/`false` to
indicate whether the data represented by the type is typically compressible.
- `extensions` - include an array of file extensions that are associated with
the type.
- `notes` - human-readable notes about the type, typically what the type is.
- `sources` - include an array of URLs of where the MIME type and the associated
extensions are sourced from. This needs to be a [primary source](https://en.wikipedia.org/wiki/Primary_source);
links to type aggregating sites and Wikipedia are _not acceptable_.
To update the build, run `npm run build`.
### Adding Custom Media Types
The best way to get new media types included in this library is to register
them with the IANA. The community registration procedure is outlined in
[RFC 6838 section 5](http://tools.ietf.org/html/rfc6838#section-5). Types
registered with the IANA are automatically pulled into this library.
If that is not possible / feasible, they can be added directly here as a
"custom" type. To do this, it is required to have a primary source that
definitively lists the media type. If an extension is going to be listed as
associateed with this media type, the source must definitively link the
media type and extension as well.
[ci-image]: https://badgen.net/github/checks/jshttp/mime-db/master?label=ci
[ci-url]: https://github.com/jshttp/mime-db/actions?query=workflow%3Aci
[coveralls-image]: https://badgen.net/coveralls/c/github/jshttp/mime-db/master
[coveralls-url]: https://coveralls.io/r/jshttp/mime-db?branch=master
[node-image]: https://badgen.net/npm/node/mime-db
[node-url]: https://nodejs.org/en/download
[npm-downloads-image]: https://badgen.net/npm/dm/mime-db
[npm-url]: https://npmjs.org/package/mime-db
[npm-version-image]: https://badgen.net/npm/v/mime-db
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/*!
* mime-db
* Copyright(c) 2014 Jonathan Ong
* Copyright(c) 2015-2022 Douglas Christopher Wilson
* MIT Licensed
*/
/**
* Module exports.
*/
module.exports = require('./db.json')
+60
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{
"name": "mime-db",
"description": "Media Type Database",
"version": "1.52.0",
"contributors": [
"Douglas Christopher Wilson <doug@somethingdoug.com>",
"Jonathan Ong <me@jongleberry.com> (http://jongleberry.com)",
"Robert Kieffer <robert@broofa.com> (http://github.com/broofa)"
],
"license": "MIT",
"keywords": [
"mime",
"db",
"type",
"types",
"database",
"charset",
"charsets"
],
"repository": "jshttp/mime-db",
"devDependencies": {
"bluebird": "3.7.2",
"co": "4.6.0",
"cogent": "1.0.1",
"csv-parse": "4.16.3",
"eslint": "7.32.0",
"eslint-config-standard": "15.0.1",
"eslint-plugin-import": "2.25.4",
"eslint-plugin-markdown": "2.2.1",
"eslint-plugin-node": "11.1.0",
"eslint-plugin-promise": "5.1.1",
"eslint-plugin-standard": "4.1.0",
"gnode": "0.1.2",
"media-typer": "1.1.0",
"mocha": "9.2.1",
"nyc": "15.1.0",
"raw-body": "2.5.0",
"stream-to-array": "2.3.0"
},
"files": [
"HISTORY.md",
"LICENSE",
"README.md",
"db.json",
"index.js"
],
"engines": {
"node": ">= 0.6"
},
"scripts": {
"build": "node scripts/build",
"fetch": "node scripts/fetch-apache && gnode scripts/fetch-iana && node scripts/fetch-nginx",
"lint": "eslint .",
"test": "mocha --reporter spec --bail --check-leaks test/",
"test-ci": "nyc --reporter=lcov --reporter=text npm test",
"test-cov": "nyc --reporter=html --reporter=text npm test",
"update": "npm run fetch && npm run build",
"version": "node scripts/version-history.js && git add HISTORY.md"
}
}
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2.1.35 / 2022-03-12
===================
* deps: mime-db@1.52.0
- Add extensions from IANA for more `image/*` types
- Add extension `.asc` to `application/pgp-keys`
- Add extensions to various XML types
- Add new upstream MIME types
2.1.34 / 2021-11-08
===================
* deps: mime-db@1.51.0
- Add new upstream MIME types
2.1.33 / 2021-10-01
===================
* deps: mime-db@1.50.0
- Add deprecated iWorks mime types and extensions
- Add new upstream MIME types
2.1.32 / 2021-07-27
===================
* deps: mime-db@1.49.0
- Add extension `.trig` to `application/trig`
- Add new upstream MIME types
2.1.31 / 2021-06-01
===================
* deps: mime-db@1.48.0
- Add extension `.mvt` to `application/vnd.mapbox-vector-tile`
- Add new upstream MIME types
2.1.30 / 2021-04-02
===================
* deps: mime-db@1.47.0
- Add extension `.amr` to `audio/amr`
- Remove ambigious extensions from IANA for `application/*+xml` types
- Update primary extension to `.es` for `application/ecmascript`
2.1.29 / 2021-02-17
===================
* deps: mime-db@1.46.0
- Add extension `.amr` to `audio/amr`
- Add extension `.m4s` to `video/iso.segment`
- Add extension `.opus` to `audio/ogg`
- Add new upstream MIME types
2.1.28 / 2021-01-01
===================
* deps: mime-db@1.45.0
- Add `application/ubjson` with extension `.ubj`
- Add `image/avif` with extension `.avif`
- Add `image/ktx2` with extension `.ktx2`
- Add extension `.dbf` to `application/vnd.dbf`
- Add extension `.rar` to `application/vnd.rar`
- Add extension `.td` to `application/urc-targetdesc+xml`
- Add new upstream MIME types
- Fix extension of `application/vnd.apple.keynote` to be `.key`
2.1.27 / 2020-04-23
===================
* deps: mime-db@1.44.0
- Add charsets from IANA
- Add extension `.cjs` to `application/node`
- Add new upstream MIME types
2.1.26 / 2020-01-05
===================
* deps: mime-db@1.43.0
- Add `application/x-keepass2` with extension `.kdbx`
- Add extension `.mxmf` to `audio/mobile-xmf`
- Add extensions from IANA for `application/*+xml` types
- Add new upstream MIME types
2.1.25 / 2019-11-12
===================
* deps: mime-db@1.42.0
- Add new upstream MIME types
- Add `application/toml` with extension `.toml`
- Add `image/vnd.ms-dds` with extension `.dds`
2.1.24 / 2019-04-20
===================
* deps: mime-db@1.40.0
- Add extensions from IANA for `model/*` types
- Add `text/mdx` with extension `.mdx`
2.1.23 / 2019-04-17
===================
* deps: mime-db@~1.39.0
- Add extensions `.siv` and `.sieve` to `application/sieve`
- Add new upstream MIME types
2.1.22 / 2019-02-14
===================
* deps: mime-db@~1.38.0
- Add extension `.nq` to `application/n-quads`
- Add extension `.nt` to `application/n-triples`
- Add new upstream MIME types
2.1.21 / 2018-10-19
===================
* deps: mime-db@~1.37.0
- Add extensions to HEIC image types
- Add new upstream MIME types
2.1.20 / 2018-08-26
===================
* deps: mime-db@~1.36.0
- Add Apple file extensions from IANA
- Add extensions from IANA for `image/*` types
- Add new upstream MIME types
2.1.19 / 2018-07-17
===================
* deps: mime-db@~1.35.0
- Add extension `.csl` to `application/vnd.citationstyles.style+xml`
- Add extension `.es` to `application/ecmascript`
- Add extension `.owl` to `application/rdf+xml`
- Add new upstream MIME types
- Add UTF-8 as default charset for `text/turtle`
2.1.18 / 2018-02-16
===================
* deps: mime-db@~1.33.0
- Add `application/raml+yaml` with extension `.raml`
- Add `application/wasm` with extension `.wasm`
- Add `text/shex` with extension `.shex`
- Add extensions for JPEG-2000 images
- Add extensions from IANA for `message/*` types
- Add new upstream MIME types
- Update font MIME types
- Update `text/hjson` to registered `application/hjson`
2.1.17 / 2017-09-01
===================
* deps: mime-db@~1.30.0
- Add `application/vnd.ms-outlook`
- Add `application/x-arj`
- Add extension `.mjs` to `application/javascript`
- Add glTF types and extensions
- Add new upstream MIME types
- Add `text/x-org`
- Add VirtualBox MIME types
- Fix `source` records for `video/*` types that are IANA
- Update `font/opentype` to registered `font/otf`
2.1.16 / 2017-07-24
===================
* deps: mime-db@~1.29.0
- Add `application/fido.trusted-apps+json`
- Add extension `.wadl` to `application/vnd.sun.wadl+xml`
- Add extension `.gz` to `application/gzip`
- Add new upstream MIME types
- Update extensions `.md` and `.markdown` to be `text/markdown`
2.1.15 / 2017-03-23
===================
* deps: mime-db@~1.27.0
- Add new mime types
- Add `image/apng`
2.1.14 / 2017-01-14
===================
* deps: mime-db@~1.26.0
- Add new mime types
2.1.13 / 2016-11-18
===================
* deps: mime-db@~1.25.0
- Add new mime types
2.1.12 / 2016-09-18
===================
* deps: mime-db@~1.24.0
- Add new mime types
- Add `audio/mp3`
2.1.11 / 2016-05-01
===================
* deps: mime-db@~1.23.0
- Add new mime types
2.1.10 / 2016-02-15
===================
* deps: mime-db@~1.22.0
- Add new mime types
- Fix extension of `application/dash+xml`
- Update primary extension for `audio/mp4`
2.1.9 / 2016-01-06
==================
* deps: mime-db@~1.21.0
- Add new mime types
2.1.8 / 2015-11-30
==================
* deps: mime-db@~1.20.0
- Add new mime types
2.1.7 / 2015-09-20
==================
* deps: mime-db@~1.19.0
- Add new mime types
2.1.6 / 2015-09-03
==================
* deps: mime-db@~1.18.0
- Add new mime types
2.1.5 / 2015-08-20
==================
* deps: mime-db@~1.17.0
- Add new mime types
2.1.4 / 2015-07-30
==================
* deps: mime-db@~1.16.0
- Add new mime types
2.1.3 / 2015-07-13
==================
* deps: mime-db@~1.15.0
- Add new mime types
2.1.2 / 2015-06-25
==================
* deps: mime-db@~1.14.0
- Add new mime types
2.1.1 / 2015-06-08
==================
* perf: fix deopt during mapping
2.1.0 / 2015-06-07
==================
* Fix incorrectly treating extension-less file name as extension
- i.e. `'path/to/json'` will no longer return `application/json`
* Fix `.charset(type)` to accept parameters
* Fix `.charset(type)` to match case-insensitive
* Improve generation of extension to MIME mapping
* Refactor internals for readability and no argument reassignment
* Prefer `application/*` MIME types from the same source
* Prefer any type over `application/octet-stream`
* deps: mime-db@~1.13.0
- Add nginx as a source
- Add new mime types
2.0.14 / 2015-06-06
===================
* deps: mime-db@~1.12.0
- Add new mime types
2.0.13 / 2015-05-31
===================
* deps: mime-db@~1.11.0
- Add new mime types
2.0.12 / 2015-05-19
===================
* deps: mime-db@~1.10.0
- Add new mime types
2.0.11 / 2015-05-05
===================
* deps: mime-db@~1.9.1
- Add new mime types
2.0.10 / 2015-03-13
===================
* deps: mime-db@~1.8.0
- Add new mime types
2.0.9 / 2015-02-09
==================
* deps: mime-db@~1.7.0
- Add new mime types
- Community extensions ownership transferred from `node-mime`
2.0.8 / 2015-01-29
==================
* deps: mime-db@~1.6.0
- Add new mime types
2.0.7 / 2014-12-30
==================
* deps: mime-db@~1.5.0
- Add new mime types
- Fix various invalid MIME type entries
2.0.6 / 2014-12-30
==================
* deps: mime-db@~1.4.0
- Add new mime types
- Fix various invalid MIME type entries
- Remove example template MIME types
2.0.5 / 2014-12-29
==================
* deps: mime-db@~1.3.1
- Fix missing extensions
2.0.4 / 2014-12-10
==================
* deps: mime-db@~1.3.0
- Add new mime types
2.0.3 / 2014-11-09
==================
* deps: mime-db@~1.2.0
- Add new mime types
2.0.2 / 2014-09-28
==================
* deps: mime-db@~1.1.0
- Add new mime types
- Update charsets
2.0.1 / 2014-09-07
==================
* Support Node.js 0.6
2.0.0 / 2014-09-02
==================
* Use `mime-db`
* Remove `.define()`
1.0.2 / 2014-08-04
==================
* Set charset=utf-8 for `text/javascript`
1.0.1 / 2014-06-24
==================
* Add `text/jsx` type
1.0.0 / 2014-05-12
==================
* Return `false` for unknown types
* Set charset=utf-8 for `application/json`
0.1.0 / 2014-05-02
==================
* Initial release
+23
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@@ -0,0 +1,23 @@
(The MIT License)
Copyright (c) 2014 Jonathan Ong <me@jongleberry.com>
Copyright (c) 2015 Douglas Christopher Wilson <doug@somethingdoug.com>
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
'Software'), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+113
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@@ -0,0 +1,113 @@
# mime-types
[![NPM Version][npm-version-image]][npm-url]
[![NPM Downloads][npm-downloads-image]][npm-url]
[![Node.js Version][node-version-image]][node-version-url]
[![Build Status][ci-image]][ci-url]
[![Test Coverage][coveralls-image]][coveralls-url]
The ultimate javascript content-type utility.
Similar to [the `mime@1.x` module](https://www.npmjs.com/package/mime), except:
- __No fallbacks.__ Instead of naively returning the first available type,
`mime-types` simply returns `false`, so do
`var type = mime.lookup('unrecognized') || 'application/octet-stream'`.
- No `new Mime()` business, so you could do `var lookup = require('mime-types').lookup`.
- No `.define()` functionality
- Bug fixes for `.lookup(path)`
Otherwise, the API is compatible with `mime` 1.x.
## Install
This is a [Node.js](https://nodejs.org/en/) module available through the
[npm registry](https://www.npmjs.com/). Installation is done using the
[`npm install` command](https://docs.npmjs.com/getting-started/installing-npm-packages-locally):
```sh
$ npm install mime-types
```
## Adding Types
All mime types are based on [mime-db](https://www.npmjs.com/package/mime-db),
so open a PR there if you'd like to add mime types.
## API
```js
var mime = require('mime-types')
```
All functions return `false` if input is invalid or not found.
### mime.lookup(path)
Lookup the content-type associated with a file.
```js
mime.lookup('json') // 'application/json'
mime.lookup('.md') // 'text/markdown'
mime.lookup('file.html') // 'text/html'
mime.lookup('folder/file.js') // 'application/javascript'
mime.lookup('folder/.htaccess') // false
mime.lookup('cats') // false
```
### mime.contentType(type)
Create a full content-type header given a content-type or extension.
When given an extension, `mime.lookup` is used to get the matching
content-type, otherwise the given content-type is used. Then if the
content-type does not already have a `charset` parameter, `mime.charset`
is used to get the default charset and add to the returned content-type.
```js
mime.contentType('markdown') // 'text/x-markdown; charset=utf-8'
mime.contentType('file.json') // 'application/json; charset=utf-8'
mime.contentType('text/html') // 'text/html; charset=utf-8'
mime.contentType('text/html; charset=iso-8859-1') // 'text/html; charset=iso-8859-1'
// from a full path
mime.contentType(path.extname('/path/to/file.json')) // 'application/json; charset=utf-8'
```
### mime.extension(type)
Get the default extension for a content-type.
```js
mime.extension('application/octet-stream') // 'bin'
```
### mime.charset(type)
Lookup the implied default charset of a content-type.
```js
mime.charset('text/markdown') // 'UTF-8'
```
### var type = mime.types[extension]
A map of content-types by extension.
### [extensions...] = mime.extensions[type]
A map of extensions by content-type.
## License
[MIT](LICENSE)
[ci-image]: https://badgen.net/github/checks/jshttp/mime-types/master?label=ci
[ci-url]: https://github.com/jshttp/mime-types/actions/workflows/ci.yml
[coveralls-image]: https://badgen.net/coveralls/c/github/jshttp/mime-types/master
[coveralls-url]: https://coveralls.io/r/jshttp/mime-types?branch=master
[node-version-image]: https://badgen.net/npm/node/mime-types
[node-version-url]: https://nodejs.org/en/download
[npm-downloads-image]: https://badgen.net/npm/dm/mime-types
[npm-url]: https://npmjs.org/package/mime-types
[npm-version-image]: https://badgen.net/npm/v/mime-types
+188
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@@ -0,0 +1,188 @@
/*!
* mime-types
* Copyright(c) 2014 Jonathan Ong
* Copyright(c) 2015 Douglas Christopher Wilson
* MIT Licensed
*/
'use strict'
/**
* Module dependencies.
* @private
*/
var db = require('mime-db')
var extname = require('path').extname
/**
* Module variables.
* @private
*/
var EXTRACT_TYPE_REGEXP = /^\s*([^;\s]*)(?:;|\s|$)/
var TEXT_TYPE_REGEXP = /^text\//i
/**
* Module exports.
* @public
*/
exports.charset = charset
exports.charsets = { lookup: charset }
exports.contentType = contentType
exports.extension = extension
exports.extensions = Object.create(null)
exports.lookup = lookup
exports.types = Object.create(null)
// Populate the extensions/types maps
populateMaps(exports.extensions, exports.types)
/**
* Get the default charset for a MIME type.
*
* @param {string} type
* @return {boolean|string}
*/
function charset (type) {
if (!type || typeof type !== 'string') {
return false
}
// TODO: use media-typer
var match = EXTRACT_TYPE_REGEXP.exec(type)
var mime = match && db[match[1].toLowerCase()]
if (mime && mime.charset) {
return mime.charset
}
// default text/* to utf-8
if (match && TEXT_TYPE_REGEXP.test(match[1])) {
return 'UTF-8'
}
return false
}
/**
* Create a full Content-Type header given a MIME type or extension.
*
* @param {string} str
* @return {boolean|string}
*/
function contentType (str) {
// TODO: should this even be in this module?
if (!str || typeof str !== 'string') {
return false
}
var mime = str.indexOf('/') === -1
? exports.lookup(str)
: str
if (!mime) {
return false
}
// TODO: use content-type or other module
if (mime.indexOf('charset') === -1) {
var charset = exports.charset(mime)
if (charset) mime += '; charset=' + charset.toLowerCase()
}
return mime
}
/**
* Get the default extension for a MIME type.
*
* @param {string} type
* @return {boolean|string}
*/
function extension (type) {
if (!type || typeof type !== 'string') {
return false
}
// TODO: use media-typer
var match = EXTRACT_TYPE_REGEXP.exec(type)
// get extensions
var exts = match && exports.extensions[match[1].toLowerCase()]
if (!exts || !exts.length) {
return false
}
return exts[0]
}
/**
* Lookup the MIME type for a file path/extension.
*
* @param {string} path
* @return {boolean|string}
*/
function lookup (path) {
if (!path || typeof path !== 'string') {
return false
}
// get the extension ("ext" or ".ext" or full path)
var extension = extname('x.' + path)
.toLowerCase()
.substr(1)
if (!extension) {
return false
}
return exports.types[extension] || false
}
/**
* Populate the extensions and types maps.
* @private
*/
function populateMaps (extensions, types) {
// source preference (least -> most)
var preference = ['nginx', 'apache', undefined, 'iana']
Object.keys(db).forEach(function forEachMimeType (type) {
var mime = db[type]
var exts = mime.extensions
if (!exts || !exts.length) {
return
}
// mime -> extensions
extensions[type] = exts
// extension -> mime
for (var i = 0; i < exts.length; i++) {
var extension = exts[i]
if (types[extension]) {
var from = preference.indexOf(db[types[extension]].source)
var to = preference.indexOf(mime.source)
if (types[extension] !== 'application/octet-stream' &&
(from > to || (from === to && types[extension].substr(0, 12) === 'application/'))) {
// skip the remapping
continue
}
}
// set the extension -> mime
types[extension] = type
}
})
}
+44
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@@ -0,0 +1,44 @@
{
"name": "mime-types",
"description": "The ultimate javascript content-type utility.",
"version": "2.1.35",
"contributors": [
"Douglas Christopher Wilson <doug@somethingdoug.com>",
"Jeremiah Senkpiel <fishrock123@rocketmail.com> (https://searchbeam.jit.su)",
"Jonathan Ong <me@jongleberry.com> (http://jongleberry.com)"
],
"license": "MIT",
"keywords": [
"mime",
"types"
],
"repository": "jshttp/mime-types",
"dependencies": {
"mime-db": "1.52.0"
},
"devDependencies": {
"eslint": "7.32.0",
"eslint-config-standard": "14.1.1",
"eslint-plugin-import": "2.25.4",
"eslint-plugin-markdown": "2.2.1",
"eslint-plugin-node": "11.1.0",
"eslint-plugin-promise": "5.2.0",
"eslint-plugin-standard": "4.1.0",
"mocha": "9.2.2",
"nyc": "15.1.0"
},
"files": [
"HISTORY.md",
"LICENSE",
"index.js"
],
"engines": {
"node": ">= 0.6"
},
"scripts": {
"lint": "eslint .",
"test": "mocha --reporter spec test/test.js",
"test-ci": "nyc --reporter=lcov --reporter=text npm test",
"test-cov": "nyc --reporter=html --reporter=text npm test"
}
}
+57
View File
@@ -13,6 +13,7 @@
"@extractus/feed-extractor": "^7.0.7",
"@nostr-dev-kit/ndk": "^2.1.1",
"bech32-buffer": "^0.2.1",
"form-data": "^4.0.0",
"moment": "^2.29.4",
"nostr-tools": "^1.17.0",
"websocket-polyfill": "^0.0.3"
@@ -1247,6 +1248,11 @@
"node": ">=14.0.0"
}
},
"node_modules/asynckit": {
"version": "0.4.0",
"resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
"integrity": "sha512-Oei9OH4tRh0YqU3GxhX79dM/mwVgvbZJaSNaRk+bshkj0S5cfHcgYakreBjrHwatXKbz+IoIdYLxrKim2MjW0Q=="
},
"node_modules/bech32-buffer": {
"version": "0.2.1",
"resolved": "https://registry.npmjs.org/bech32-buffer/-/bech32-buffer-0.2.1.tgz",
@@ -1280,6 +1286,17 @@
"node": ">=6.14.2"
}
},
"node_modules/combined-stream": {
"version": "1.0.8",
"resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.8.tgz",
"integrity": "sha512-FQN4MRfuJeHf7cBbBMJFXhKSDq+2kAArBlmRBvcvFE5BB1HZKXtSFASDhdlz9zOYwxh8lDdnvmMOe/+5cdoEdg==",
"dependencies": {
"delayed-stream": "~1.0.0"
},
"engines": {
"node": ">= 0.8"
}
},
"node_modules/cross-fetch": {
"version": "4.0.0",
"resolved": "https://registry.npmjs.org/cross-fetch/-/cross-fetch-4.0.0.tgz",
@@ -1340,6 +1357,14 @@
}
}
},
"node_modules/delayed-stream": {
"version": "1.0.0",
"resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
"integrity": "sha512-ZySD7Nf91aLB0RxL4KGrKHBXl7Eds1DAmEdcoVawXnLD7SDhpNgtuII2aAkg7a7QS41jxPSZ17p4VdGnMHk3MQ==",
"engines": {
"node": ">=0.4.0"
}
},
"node_modules/es5-ext": {
"version": "0.10.62",
"resolved": "https://registry.npmjs.org/es5-ext/-/es5-ext-0.10.62.tgz",
@@ -1429,6 +1454,19 @@
"node": "^12.20 || >= 14.13"
}
},
"node_modules/form-data": {
"version": "4.0.0",
"resolved": "https://registry.npmjs.org/form-data/-/form-data-4.0.0.tgz",
"integrity": "sha512-ETEklSGi5t0QMZuiXoA/Q6vcnxcLQP5vdugSpuAyi6SVGi2clPPp+xgEhuMaHC+zGgn31Kd235W35f7Hykkaww==",
"dependencies": {
"asynckit": "^0.4.0",
"combined-stream": "^1.0.8",
"mime-types": "^2.1.12"
},
"engines": {
"node": ">= 6"
}
},
"node_modules/formdata-polyfill": {
"version": "4.0.10",
"resolved": "https://registry.npmjs.org/formdata-polyfill/-/formdata-polyfill-4.0.10.tgz",
@@ -1479,6 +1517,25 @@
}
]
},
"node_modules/mime-db": {
"version": "1.52.0",
"resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.52.0.tgz",
"integrity": "sha512-sPU4uV7dYlvtWJxwwxHD0PuihVNiE7TyAbQ5SWxDCB9mUYvOgroQOwYQQOKPJ8CIbE+1ETVlOoK1UC2nU3gYvg==",
"engines": {
"node": ">= 0.6"
}
},
"node_modules/mime-types": {
"version": "2.1.35",
"resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.35.tgz",
"integrity": "sha512-ZDY+bPm5zTTF+YpCrAU9nK0UgICYPT0QtT1NZWFv4s++TNkcgVaT0g6+4R2uI4MjQjzysHB1zxuWL50hzaeXiw==",
"dependencies": {
"mime-db": "1.52.0"
},
"engines": {
"node": ">= 0.6"
}
},
"node_modules/moment": {
"version": "2.29.4",
"resolved": "https://registry.npmjs.org/moment/-/moment-2.29.4.tgz",
+1
View File
@@ -24,6 +24,7 @@
"@extractus/feed-extractor": "^7.0.7",
"@nostr-dev-kit/ndk": "^2.1.1",
"bech32-buffer": "^0.2.1",
"form-data": "^4.0.0",
"moment": "^2.29.4",
"nostr-tools": "^1.17.0",
"websocket-polyfill": "^0.0.3"