Skip package-lock.json and yarn.lock in node_modules #431 (#485)

Signed-off-by: Keith Zantow <kzantow@gmail.com>
This commit is contained in:
Keith Zantow
2021-08-20 13:50:28 -04:00
committed by GitHub
parent cba5b5723b
commit ff828fbac2
116 changed files with 23778 additions and 5 deletions
@@ -0,0 +1,7 @@
/**
* Collapse whitespace to a single space.
*
* @param {string} value
* @returns {string}
*/
export function collapseWhiteSpace(value: string): string;
@@ -0,0 +1,9 @@
/**
* Collapse whitespace to a single space.
*
* @param {string} value
* @returns {string}
*/
export function collapseWhiteSpace(value) {
return String(value).replace(/\s+/g, ' ')
}
@@ -0,0 +1,22 @@
(The MIT License)
Copyright (c) 2015 Titus Wormer <tituswormer@gmail.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.
File diff suppressed because it is too large Load Diff
@@ -0,0 +1,109 @@
{
"_from": "collapse-white-space",
"_id": "collapse-white-space@2.0.0",
"_inBundle": false,
"_integrity": "sha512-eh9krktAIMDL0KHuN7WTBJ/0PMv8KUvfQRBkIlGmW61idRM2DJjgd1qXEPr4wyk2PimZZeNww3RVYo6CMvDGlg==",
"_location": "/collapse-white-space",
"_phantomChildren": {},
"_requested": {
"type": "tag",
"registry": true,
"raw": "collapse-white-space",
"name": "collapse-white-space",
"escapedName": "collapse-white-space",
"rawSpec": "",
"saveSpec": null,
"fetchSpec": "latest"
},
"_requiredBy": [
"#USER",
"/"
],
"_resolved": "https://registry.npmjs.org/collapse-white-space/-/collapse-white-space-2.0.0.tgz",
"_shasum": "37d8521344cdd36635db180a7c83e9d515ac281b",
"_spec": "collapse-white-space",
"_where": "/Users/kzantow/projects/syft/test/integration/test-fixtures/npm-lock",
"author": {
"name": "Titus Wormer",
"email": "tituswormer@gmail.com",
"url": "https://wooorm.com"
},
"bugs": {
"url": "https://github.com/wooorm/collapse-white-space/issues"
},
"bundleDependencies": false,
"contributors": [
{
"name": "Titus Wormer",
"email": "tituswormer@gmail.com",
"url": "https://wooorm.com"
}
],
"deprecated": false,
"description": "Replace multiple white space characters with a single space",
"devDependencies": {
"@types/tape": "^4.0.0",
"c8": "^7.0.0",
"prettier": "^2.0.0",
"remark-cli": "^9.0.0",
"remark-preset-wooorm": "^8.0.0",
"rimraf": "^3.0.0",
"tape": "^5.0.0",
"typescript": "^4.0.0",
"xo": "^0.38.0"
},
"files": [
"index.d.ts",
"index.js"
],
"funding": {
"type": "github",
"url": "https://github.com/sponsors/wooorm"
},
"homepage": "https://github.com/wooorm/collapse-white-space#readme",
"keywords": [
"collapse",
"white",
"space"
],
"license": "MIT",
"main": "index.js",
"name": "collapse-white-space",
"prettier": {
"tabWidth": 2,
"useTabs": false,
"singleQuote": true,
"bracketSpacing": false,
"semi": false,
"trailingComma": "none"
},
"remarkConfig": {
"plugins": [
"preset-wooorm"
]
},
"repository": {
"type": "git",
"url": "git+https://github.com/wooorm/collapse-white-space.git"
},
"scripts": {
"build": "tsc",
"format": "remark . -qfo && prettier . -w --loglevel warn && xo --fix",
"prebuild": "rimraf \"*.d.ts\"",
"prepublishOnly": "npm run build",
"test": "npm run format && npm run build && npm run test-coverage",
"test-api": "node test",
"test-coverage": "c8 --check-coverage --branches 100 --functions 100 --lines 100 --statements 100 --reporter lcov node test.js"
},
"sideEffects": false,
"type": "module",
"types": "index.d.ts",
"version": "2.0.0",
"xo": {
"prettier": true,
"rules": {
"no-var": "off",
"prefer-arrow-callback": "off"
}
}
}
@@ -0,0 +1,65 @@
# collapse-white-space
[![Build][build-badge]][build]
[![Coverage][coverage-badge]][coverage]
[![Downloads][downloads-badge]][downloads]
[![Size][size-badge]][size]
Replace multiple whitespace characters with a single space.
## Install
This package is ESM only: Node 12+ is needed to use it and it must be `import`ed
instead of `require`d.
[npm][]:
```sh
npm install collapse-white-space
```
## Use
```js
import {collapseWhiteSpace} from 'collapse-white-space'
collapseWhiteSpace('\tfoo \n\tbar \t\r\nbaz') //=> ' foo bar baz'
```
## API
This package exports the following identifiers: `collapseWhiteSpace`.
There is no default export.
### `collapseWhiteSpace(value)`
Replace multiple whitespace characters in `value` (`string`) with a single
space.
## License
[MIT][license] © [Titus Wormer][author]
<!-- Definitions -->
[build-badge]: https://github.com/wooorm/collapse-white-space/workflows/main/badge.svg
[build]: https://github.com/wooorm/collapse-white-space/actions
[coverage-badge]: https://img.shields.io/codecov/c/github/wooorm/collapse-white-space.svg
[coverage]: https://codecov.io/github/wooorm/collapse-white-space
[downloads-badge]: https://img.shields.io/npm/dm/collapse-white-space.svg
[downloads]: https://www.npmjs.com/package/collapse-white-space
[size-badge]: https://img.shields.io/bundlephobia/minzip/collapse-white-space.svg
[size]: https://bundlephobia.com/result?p=collapse-white-space
[npm]: https://docs.npmjs.com/cli/install
[license]: license
[author]: https://wooorm.com
@@ -0,0 +1,21 @@
The MIT License (MIT)
Copyright (c) 2014 Mathias Buus
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.
@@ -0,0 +1,54 @@
# end-of-stream
A node module that calls a callback when a readable/writable/duplex stream has completed or failed.
npm install end-of-stream
[![Build status](https://travis-ci.org/mafintosh/end-of-stream.svg?branch=master)](https://travis-ci.org/mafintosh/end-of-stream)
## Usage
Simply pass a stream and a callback to the `eos`.
Both legacy streams, streams2 and stream3 are supported.
``` js
var eos = require('end-of-stream');
eos(readableStream, function(err) {
// this will be set to the stream instance
if (err) return console.log('stream had an error or closed early');
console.log('stream has ended', this === readableStream);
});
eos(writableStream, function(err) {
if (err) return console.log('stream had an error or closed early');
console.log('stream has finished', this === writableStream);
});
eos(duplexStream, function(err) {
if (err) return console.log('stream had an error or closed early');
console.log('stream has ended and finished', this === duplexStream);
});
eos(duplexStream, {readable:false}, function(err) {
if (err) return console.log('stream had an error or closed early');
console.log('stream has finished but might still be readable');
});
eos(duplexStream, {writable:false}, function(err) {
if (err) return console.log('stream had an error or closed early');
console.log('stream has ended but might still be writable');
});
eos(readableStream, {error:false}, function(err) {
// do not treat emit('error', err) as a end-of-stream
});
```
## License
MIT
## Related
`end-of-stream` is part of the [mississippi stream utility collection](https://github.com/maxogden/mississippi) which includes more useful stream modules similar to this one.
@@ -0,0 +1,94 @@
var once = require('once');
var noop = function() {};
var isRequest = function(stream) {
return stream.setHeader && typeof stream.abort === 'function';
};
var isChildProcess = function(stream) {
return stream.stdio && Array.isArray(stream.stdio) && stream.stdio.length === 3
};
var eos = function(stream, opts, callback) {
if (typeof opts === 'function') return eos(stream, null, opts);
if (!opts) opts = {};
callback = once(callback || noop);
var ws = stream._writableState;
var rs = stream._readableState;
var readable = opts.readable || (opts.readable !== false && stream.readable);
var writable = opts.writable || (opts.writable !== false && stream.writable);
var cancelled = false;
var onlegacyfinish = function() {
if (!stream.writable) onfinish();
};
var onfinish = function() {
writable = false;
if (!readable) callback.call(stream);
};
var onend = function() {
readable = false;
if (!writable) callback.call(stream);
};
var onexit = function(exitCode) {
callback.call(stream, exitCode ? new Error('exited with error code: ' + exitCode) : null);
};
var onerror = function(err) {
callback.call(stream, err);
};
var onclose = function() {
process.nextTick(onclosenexttick);
};
var onclosenexttick = function() {
if (cancelled) return;
if (readable && !(rs && (rs.ended && !rs.destroyed))) return callback.call(stream, new Error('premature close'));
if (writable && !(ws && (ws.ended && !ws.destroyed))) return callback.call(stream, new Error('premature close'));
};
var onrequest = function() {
stream.req.on('finish', onfinish);
};
if (isRequest(stream)) {
stream.on('complete', onfinish);
stream.on('abort', onclose);
if (stream.req) onrequest();
else stream.on('request', onrequest);
} else if (writable && !ws) { // legacy streams
stream.on('end', onlegacyfinish);
stream.on('close', onlegacyfinish);
}
if (isChildProcess(stream)) stream.on('exit', onexit);
stream.on('end', onend);
stream.on('finish', onfinish);
if (opts.error !== false) stream.on('error', onerror);
stream.on('close', onclose);
return function() {
cancelled = true;
stream.removeListener('complete', onfinish);
stream.removeListener('abort', onclose);
stream.removeListener('request', onrequest);
if (stream.req) stream.req.removeListener('finish', onfinish);
stream.removeListener('end', onlegacyfinish);
stream.removeListener('close', onlegacyfinish);
stream.removeListener('finish', onfinish);
stream.removeListener('exit', onexit);
stream.removeListener('end', onend);
stream.removeListener('error', onerror);
stream.removeListener('close', onclose);
};
};
module.exports = eos;
@@ -0,0 +1,65 @@
{
"_from": "end-of-stream@^1.1.0",
"_id": "end-of-stream@1.4.4",
"_inBundle": false,
"_integrity": "sha512-+uw1inIHVPQoaVuHzRyXd21icM+cnt4CzD5rW+NC1wjOUSTOs+Te7FOv7AhN7vS9x/oIyhLP5PR1H+phQAHu5Q==",
"_location": "/end-of-stream",
"_phantomChildren": {},
"_requested": {
"type": "range",
"registry": true,
"raw": "end-of-stream@^1.1.0",
"name": "end-of-stream",
"escapedName": "end-of-stream",
"rawSpec": "^1.1.0",
"saveSpec": null,
"fetchSpec": "^1.1.0"
},
"_requiredBy": [
"/pump"
],
"_resolved": "https://registry.npmjs.org/end-of-stream/-/end-of-stream-1.4.4.tgz",
"_shasum": "5ae64a5f45057baf3626ec14da0ca5e4b2431eb0",
"_spec": "end-of-stream@^1.1.0",
"_where": "/Users/kzantow/projects/syft/test/integration/test-fixtures/npm-lock/node_modules/pump",
"author": {
"name": "Mathias Buus",
"email": "mathiasbuus@gmail.com"
},
"bugs": {
"url": "https://github.com/mafintosh/end-of-stream/issues"
},
"bundleDependencies": false,
"dependencies": {
"once": "^1.4.0"
},
"deprecated": false,
"description": "Call a callback when a readable/writable/duplex stream has completed or failed.",
"devDependencies": {
"tape": "^4.11.0"
},
"files": [
"index.js"
],
"homepage": "https://github.com/mafintosh/end-of-stream",
"keywords": [
"stream",
"streams",
"callback",
"finish",
"close",
"end",
"wait"
],
"license": "MIT",
"main": "index.js",
"name": "end-of-stream",
"repository": {
"type": "git",
"url": "git://github.com/mafintosh/end-of-stream.git"
},
"scripts": {
"test": "node test.js"
},
"version": "1.4.4"
}
@@ -0,0 +1,18 @@
This software is released under the MIT license:
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.
@@ -0,0 +1,12 @@
var on = require('dom-event');
var insertCss = require('./');
document.querySelector('body').innerHTML = '<h1>insert-css example</h1><button id="blue">blue</button><button id="red">red</button>';
on(document.querySelector('#blue'), 'click', function() {
insertCss('body{background: blue}');
});
on(document.querySelector('#red'), 'click', function() {
insertCss('body{background: red}');
});
@@ -0,0 +1,58 @@
var containers = []; // will store container HTMLElement references
var styleElements = []; // will store {prepend: HTMLElement, append: HTMLElement}
var usage = 'insert-css: You need to provide a CSS string. Usage: insertCss(cssString[, options]).';
function insertCss(css, options) {
options = options || {};
if (css === undefined) {
throw new Error(usage);
}
var position = options.prepend === true ? 'prepend' : 'append';
var container = options.container !== undefined ? options.container : document.querySelector('head');
var containerId = containers.indexOf(container);
// first time we see this container, create the necessary entries
if (containerId === -1) {
containerId = containers.push(container) - 1;
styleElements[containerId] = {};
}
// try to get the correponding container + position styleElement, create it otherwise
var styleElement;
if (styleElements[containerId] !== undefined && styleElements[containerId][position] !== undefined) {
styleElement = styleElements[containerId][position];
} else {
styleElement = styleElements[containerId][position] = createStyleElement();
if (position === 'prepend') {
container.insertBefore(styleElement, container.childNodes[0]);
} else {
container.appendChild(styleElement);
}
}
// strip potential UTF-8 BOM if css was read from a file
if (css.charCodeAt(0) === 0xFEFF) { css = css.substr(1, css.length); }
// actually add the stylesheet
if (styleElement.styleSheet) {
styleElement.styleSheet.cssText += css
} else {
styleElement.textContent += css;
}
return styleElement;
};
function createStyleElement() {
var styleElement = document.createElement('style');
styleElement.setAttribute('type', 'text/css');
return styleElement;
}
module.exports = insertCss;
module.exports.insertCss = insertCss;
@@ -0,0 +1,85 @@
{
"_from": "insert-css",
"_id": "insert-css@2.0.0",
"_inBundle": false,
"_integrity": "sha1-610Ql7dUL0x56jBg067gfQU4gPQ=",
"_location": "/insert-css",
"_phantomChildren": {},
"_requested": {
"type": "tag",
"registry": true,
"raw": "insert-css",
"name": "insert-css",
"escapedName": "insert-css",
"rawSpec": "",
"saveSpec": null,
"fetchSpec": "latest"
},
"_requiredBy": [
"#USER",
"/"
],
"_resolved": "https://registry.npmjs.org/insert-css/-/insert-css-2.0.0.tgz",
"_shasum": "eb5d1097b7542f4c79ea3060d3aee07d053880f4",
"_spec": "insert-css",
"_where": "/Users/kzantow/projects/syft/test/integration/test-fixtures/npm-lock",
"author": {
"name": "James Halliday",
"email": "mail@substack.net",
"url": "http://substack.net"
},
"bugs": {
"url": "https://github.com/substack/insert-css/issues"
},
"bundleDependencies": false,
"dependencies": {},
"deprecated": false,
"description": "insert a string of css into the <head>",
"devDependencies": {
"browserify": "^13.0.1",
"budo": "^8.3.0",
"computed-style": "^0.3.0",
"dom-event": "^1.0.0",
"tape": "^4.6.0",
"tape-run": "^2.1.4"
},
"homepage": "https://github.com/substack/insert-css",
"keywords": [
"css",
"insert",
"dom",
"browser",
"browserify",
"inject",
"styles",
"stylesheet",
"style",
"html",
"head",
"link"
],
"license": "MIT",
"main": "index.js",
"name": "insert-css",
"repository": {
"type": "git",
"url": "git://github.com/substack/insert-css.git"
},
"scripts": {
"example": "budo example.js",
"test": "browserify test.js | tape-run"
},
"testling": {
"files": "test.js",
"browsers": [
"ie/6..latest",
"chrome/20..latest",
"firefox/10..latest",
"safari/latest",
"opera/11.0..latest",
"iphone/6",
"ipad/6"
]
},
"version": "2.0.0"
}
@@ -0,0 +1,44 @@
# insert-css
insert a string of css into the `<head>`
[![browser support](https://ci.testling.com/substack/insert-css.png)](https://ci.testling.com/substack/insert-css)
# example
``` js
var insertCss = require('insert-css');
var styleElement = insertCss('body { background:blue; }');
```
# api
``` js
var insertCss = require('insert-css');
```
## var styleElement = insertCss(css, opts);
Insert some CSS into the page.
* `opts.container` - Which HTMLElement to use as the base mounting point, defaults to
`document.querySelector('head')`.
* `opts.prepend` - Add the CSS at the top level of the container instead of at the bottom level (default).
This is particullary useful for library creators where you may want your default CSS to be prepended so it
can be easily overriden by user styles.
# development
## example
``` sh
npm run example
```
## test
``` sh
npm test
```
@@ -0,0 +1,78 @@
var test = require('tape');
test(function (t) {
var insertCss = require('./');
var initialNbStyleTags = nbStyleTags();
// basic usage
var baseStyle = 'body{position:relative;text-decoration:overline}';
insertCss(baseStyle);
t.equal(position(), 'relative', 'initial position is `relative`');
// adds one style tag
t.equal(nbStyleTags(), initialNbStyleTags + 1, 'we added one style tag');
// default to appending style
var appendStyle = 'body{position:absolute}';
var appendStyleTag = insertCss(appendStyle);
t.equal(position(), 'absolute', 'new position is `absolute`');
// reuse same style tag
t.equal(nbStyleTags(), initialNbStyleTags + 1, 'we kept using the same style tag');
// prepend should add a new style tag before the append one
t.equal(textDecoration(), 'overline', 'text-decoration is overline by default');
var prependStyleTag = insertCss('body{text-decoration:underline !important}', {prepend: true});
t.equal(nbStyleTags(), initialNbStyleTags + 2, 'we added a new style tag');
t.equal(textDecoration(), 'underline', 'text-decoration is now underline');
var tag = prependStyleTag;
while (tag !== appendStyleTag) {
tag = tag.nextSibling;
}
t.equal(tag, appendStyleTag, 'prepend mode should add a style tag before the append one');
// uses old school styleSheet prop when present (IE)
if (!appendStyleTag.styleSheet) {
appendStyleTag.styleSheet = {cssText: 'a'};
insertCss('p{color:blue}');
t.equal(appendStyleTag.styleSheet.cssText, 'ap{color:blue}', 'we use old school styleSheet prop');
delete appendStyleTag.styleSheet;
}
// allow re-adding added style
insertCss(baseStyle);
t.equal(position(), 'relative', 'position is again `relative`');
// allow using a custom container
var customContainer = document.createElement('div');
document.querySelector('body').appendChild(customContainer);
t.equal(nbStyleTags(customContainer), 0, 'no style tag in custom container');
insertCss('body{position:absolute}', {container: customContainer});
t.equal(nbStyleTags(customContainer), 1, 'new style tag added in custom container');
t.equal(position(), 'absolute', 'position is absolute again');
t.end();
});
test(function testEmpty(t) {
var insertCss = require('./');
t.equal(insertCss(), false, 'insertCss() with no arguments returns `false`');
t.end();
});
function position() {
var getStyle = require('computed-style');
return getStyle(document.querySelector('body'), 'position');
}
function textDecoration() {
var getStyle = require('computed-style');
return getStyle(document.querySelector('body'), 'text-decoration');
}
function nbStyleTags(container) {
if (!container) container = document;
return container.querySelectorAll('style').length
}
+15
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@@ -0,0 +1,15 @@
The ISC License
Copyright (c) Isaac Z. Schlueter and Contributors
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+79
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@@ -0,0 +1,79 @@
# once
Only call a function once.
## usage
```javascript
var once = require('once')
function load (file, cb) {
cb = once(cb)
loader.load('file')
loader.once('load', cb)
loader.once('error', cb)
}
```
Or add to the Function.prototype in a responsible way:
```javascript
// only has to be done once
require('once').proto()
function load (file, cb) {
cb = cb.once()
loader.load('file')
loader.once('load', cb)
loader.once('error', cb)
}
```
Ironically, the prototype feature makes this module twice as
complicated as necessary.
To check whether you function has been called, use `fn.called`. Once the
function is called for the first time the return value of the original
function is saved in `fn.value` and subsequent calls will continue to
return this value.
```javascript
var once = require('once')
function load (cb) {
cb = once(cb)
var stream = createStream()
stream.once('data', cb)
stream.once('end', function () {
if (!cb.called) cb(new Error('not found'))
})
}
```
## `once.strict(func)`
Throw an error if the function is called twice.
Some functions are expected to be called only once. Using `once` for them would
potentially hide logical errors.
In the example below, the `greet` function has to call the callback only once:
```javascript
function greet (name, cb) {
// return is missing from the if statement
// when no name is passed, the callback is called twice
if (!name) cb('Hello anonymous')
cb('Hello ' + name)
}
function log (msg) {
console.log(msg)
}
// this will print 'Hello anonymous' but the logical error will be missed
greet(null, once(msg))
// once.strict will print 'Hello anonymous' and throw an error when the callback will be called the second time
greet(null, once.strict(msg))
```
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var wrappy = require('wrappy')
module.exports = wrappy(once)
module.exports.strict = wrappy(onceStrict)
once.proto = once(function () {
Object.defineProperty(Function.prototype, 'once', {
value: function () {
return once(this)
},
configurable: true
})
Object.defineProperty(Function.prototype, 'onceStrict', {
value: function () {
return onceStrict(this)
},
configurable: true
})
})
function once (fn) {
var f = function () {
if (f.called) return f.value
f.called = true
return f.value = fn.apply(this, arguments)
}
f.called = false
return f
}
function onceStrict (fn) {
var f = function () {
if (f.called)
throw new Error(f.onceError)
f.called = true
return f.value = fn.apply(this, arguments)
}
var name = fn.name || 'Function wrapped with `once`'
f.onceError = name + " shouldn't be called more than once"
f.called = false
return f
}
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{
"_from": "once@^1.3.1",
"_id": "once@1.4.0",
"_inBundle": false,
"_integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=",
"_location": "/once",
"_phantomChildren": {},
"_requested": {
"type": "range",
"registry": true,
"raw": "once@^1.3.1",
"name": "once",
"escapedName": "once",
"rawSpec": "^1.3.1",
"saveSpec": null,
"fetchSpec": "^1.3.1"
},
"_requiredBy": [
"/end-of-stream",
"/pump"
],
"_resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
"_shasum": "583b1aa775961d4b113ac17d9c50baef9dd76bd1",
"_spec": "once@^1.3.1",
"_where": "/Users/kzantow/projects/syft/test/integration/test-fixtures/npm-lock/node_modules/pump",
"author": {
"name": "Isaac Z. Schlueter",
"email": "i@izs.me",
"url": "http://blog.izs.me/"
},
"bugs": {
"url": "https://github.com/isaacs/once/issues"
},
"bundleDependencies": false,
"dependencies": {
"wrappy": "1"
},
"deprecated": false,
"description": "Run a function exactly one time",
"devDependencies": {
"tap": "^7.0.1"
},
"directories": {
"test": "test"
},
"files": [
"once.js"
],
"homepage": "https://github.com/isaacs/once#readme",
"keywords": [
"once",
"function",
"one",
"single"
],
"license": "ISC",
"main": "once.js",
"name": "once",
"repository": {
"type": "git",
"url": "git://github.com/isaacs/once.git"
},
"scripts": {
"test": "tap test/*.js"
},
"version": "1.4.0"
}
@@ -0,0 +1,5 @@
language: node_js
node_js:
- "0.10"
script: "npm test"
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The MIT License (MIT)
Copyright (c) 2014 Mathias Buus
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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# pump
pump is a small node module that pipes streams together and destroys all of them if one of them closes.
```
npm install pump
```
[![build status](http://img.shields.io/travis/mafintosh/pump.svg?style=flat)](http://travis-ci.org/mafintosh/pump)
## What problem does it solve?
When using standard `source.pipe(dest)` source will _not_ be destroyed if dest emits close or an error.
You are also not able to provide a callback to tell when then pipe has finished.
pump does these two things for you
## Usage
Simply pass the streams you want to pipe together to pump and add an optional callback
``` js
var pump = require('pump')
var fs = require('fs')
var source = fs.createReadStream('/dev/random')
var dest = fs.createWriteStream('/dev/null')
pump(source, dest, function(err) {
console.log('pipe finished', err)
})
setTimeout(function() {
dest.destroy() // when dest is closed pump will destroy source
}, 1000)
```
You can use pump to pipe more than two streams together as well
``` js
var transform = someTransformStream()
pump(source, transform, anotherTransform, dest, function(err) {
console.log('pipe finished', err)
})
```
If `source`, `transform`, `anotherTransform` or `dest` closes all of them will be destroyed.
Similarly to `stream.pipe()`, `pump()` returns the last stream passed in, so you can do:
```
return pump(s1, s2) // returns s2
```
If you want to return a stream that combines *both* s1 and s2 to a single stream use
[pumpify](https://github.com/mafintosh/pumpify) instead.
## License
MIT
## Related
`pump` is part of the [mississippi stream utility collection](https://github.com/maxogden/mississippi) which includes more useful stream modules similar to this one.
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var once = require('once')
var eos = require('end-of-stream')
var fs = require('fs') // we only need fs to get the ReadStream and WriteStream prototypes
var noop = function () {}
var ancient = /^v?\.0/.test(process.version)
var isFn = function (fn) {
return typeof fn === 'function'
}
var isFS = function (stream) {
if (!ancient) return false // newer node version do not need to care about fs is a special way
if (!fs) return false // browser
return (stream instanceof (fs.ReadStream || noop) || stream instanceof (fs.WriteStream || noop)) && isFn(stream.close)
}
var isRequest = function (stream) {
return stream.setHeader && isFn(stream.abort)
}
var destroyer = function (stream, reading, writing, callback) {
callback = once(callback)
var closed = false
stream.on('close', function () {
closed = true
})
eos(stream, {readable: reading, writable: writing}, function (err) {
if (err) return callback(err)
closed = true
callback()
})
var destroyed = false
return function (err) {
if (closed) return
if (destroyed) return
destroyed = true
if (isFS(stream)) return stream.close(noop) // use close for fs streams to avoid fd leaks
if (isRequest(stream)) return stream.abort() // request.destroy just do .end - .abort is what we want
if (isFn(stream.destroy)) return stream.destroy()
callback(err || new Error('stream was destroyed'))
}
}
var call = function (fn) {
fn()
}
var pipe = function (from, to) {
return from.pipe(to)
}
var pump = function () {
var streams = Array.prototype.slice.call(arguments)
var callback = isFn(streams[streams.length - 1] || noop) && streams.pop() || noop
if (Array.isArray(streams[0])) streams = streams[0]
if (streams.length < 2) throw new Error('pump requires two streams per minimum')
var error
var destroys = streams.map(function (stream, i) {
var reading = i < streams.length - 1
var writing = i > 0
return destroyer(stream, reading, writing, function (err) {
if (!error) error = err
if (err) destroys.forEach(call)
if (reading) return
destroys.forEach(call)
callback(error)
})
})
return streams.reduce(pipe)
}
module.exports = pump
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{
"_from": "pump",
"_id": "pump@3.0.0",
"_inBundle": false,
"_integrity": "sha512-LwZy+p3SFs1Pytd/jYct4wpv49HiYCqd9Rlc5ZVdk0V+8Yzv6jR5Blk3TRmPL1ft69TxP0IMZGJ+WPFU2BFhww==",
"_location": "/pump",
"_phantomChildren": {},
"_requested": {
"type": "tag",
"registry": true,
"raw": "pump",
"name": "pump",
"escapedName": "pump",
"rawSpec": "",
"saveSpec": null,
"fetchSpec": "latest"
},
"_requiredBy": [
"#DEV:/",
"#USER"
],
"_resolved": "https://registry.npmjs.org/pump/-/pump-3.0.0.tgz",
"_shasum": "b4a2116815bde2f4e1ea602354e8c75565107a64",
"_spec": "pump",
"_where": "/Users/kzantow/projects/syft/test/integration/test-fixtures/npm-lock",
"author": {
"name": "Mathias Buus Madsen",
"email": "mathiasbuus@gmail.com"
},
"browser": {
"fs": false
},
"bugs": {
"url": "https://github.com/mafintosh/pump/issues"
},
"bundleDependencies": false,
"dependencies": {
"end-of-stream": "^1.1.0",
"once": "^1.3.1"
},
"deprecated": false,
"description": "pipe streams together and close all of them if one of them closes",
"homepage": "https://github.com/mafintosh/pump#readme",
"keywords": [
"streams",
"pipe",
"destroy",
"callback"
],
"license": "MIT",
"name": "pump",
"repository": {
"type": "git",
"url": "git://github.com/mafintosh/pump.git"
},
"scripts": {
"test": "node test-browser.js && node test-node.js"
},
"version": "3.0.0"
}
@@ -0,0 +1,66 @@
var stream = require('stream')
var pump = require('./index')
var rs = new stream.Readable()
var ws = new stream.Writable()
rs._read = function (size) {
this.push(Buffer(size).fill('abc'))
}
ws._write = function (chunk, encoding, cb) {
setTimeout(function () {
cb()
}, 100)
}
var toHex = function () {
var reverse = new (require('stream').Transform)()
reverse._transform = function (chunk, enc, callback) {
reverse.push(chunk.toString('hex'))
callback()
}
return reverse
}
var wsClosed = false
var rsClosed = false
var callbackCalled = false
var check = function () {
if (wsClosed && rsClosed && callbackCalled) {
console.log('test-browser.js passes')
clearTimeout(timeout)
}
}
ws.on('finish', function () {
wsClosed = true
check()
})
rs.on('end', function () {
rsClosed = true
check()
})
var res = pump(rs, toHex(), toHex(), toHex(), ws, function () {
callbackCalled = true
check()
})
if (res !== ws) {
throw new Error('should return last stream')
}
setTimeout(function () {
rs.push(null)
rs.emit('close')
}, 1000)
var timeout = setTimeout(function () {
check()
throw new Error('timeout')
}, 5000)
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var pump = require('./index')
var rs = require('fs').createReadStream('/dev/random')
var ws = require('fs').createWriteStream('/dev/null')
var toHex = function () {
var reverse = new (require('stream').Transform)()
reverse._transform = function (chunk, enc, callback) {
reverse.push(chunk.toString('hex'))
callback()
}
return reverse
}
var wsClosed = false
var rsClosed = false
var callbackCalled = false
var check = function () {
if (wsClosed && rsClosed && callbackCalled) {
console.log('test-node.js passes')
clearTimeout(timeout)
}
}
ws.on('close', function () {
wsClosed = true
check()
})
rs.on('close', function () {
rsClosed = true
check()
})
var res = pump(rs, toHex(), toHex(), toHex(), ws, function () {
callbackCalled = true
check()
})
if (res !== ws) {
throw new Error('should return last stream')
}
setTimeout(function () {
rs.destroy()
}, 1000)
var timeout = setTimeout(function () {
throw new Error('timeout')
}, 5000)
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The ISC License
Copyright (c) Isaac Z. Schlueter and Contributors
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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# wrappy
Callback wrapping utility
## USAGE
```javascript
var wrappy = require("wrappy")
// var wrapper = wrappy(wrapperFunction)
// make sure a cb is called only once
// See also: http://npm.im/once for this specific use case
var once = wrappy(function (cb) {
var called = false
return function () {
if (called) return
called = true
return cb.apply(this, arguments)
}
})
function printBoo () {
console.log('boo')
}
// has some rando property
printBoo.iAmBooPrinter = true
var onlyPrintOnce = once(printBoo)
onlyPrintOnce() // prints 'boo'
onlyPrintOnce() // does nothing
// random property is retained!
assert.equal(onlyPrintOnce.iAmBooPrinter, true)
```
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{
"_from": "wrappy@1",
"_id": "wrappy@1.0.2",
"_inBundle": false,
"_integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
"_location": "/wrappy",
"_phantomChildren": {},
"_requested": {
"type": "range",
"registry": true,
"raw": "wrappy@1",
"name": "wrappy",
"escapedName": "wrappy",
"rawSpec": "1",
"saveSpec": null,
"fetchSpec": "1"
},
"_requiredBy": [
"/once"
],
"_resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
"_shasum": "b5243d8f3ec1aa35f1364605bc0d1036e30ab69f",
"_spec": "wrappy@1",
"_where": "/Users/kzantow/projects/syft/test/integration/test-fixtures/npm-lock/node_modules/once",
"author": {
"name": "Isaac Z. Schlueter",
"email": "i@izs.me",
"url": "http://blog.izs.me/"
},
"bugs": {
"url": "https://github.com/npm/wrappy/issues"
},
"bundleDependencies": false,
"dependencies": {},
"deprecated": false,
"description": "Callback wrapping utility",
"devDependencies": {
"tap": "^2.3.1"
},
"directories": {
"test": "test"
},
"files": [
"wrappy.js"
],
"homepage": "https://github.com/npm/wrappy",
"license": "ISC",
"main": "wrappy.js",
"name": "wrappy",
"repository": {
"type": "git",
"url": "git+https://github.com/npm/wrappy.git"
},
"scripts": {
"test": "tap --coverage test/*.js"
},
"version": "1.0.2"
}
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// Returns a wrapper function that returns a wrapped callback
// The wrapper function should do some stuff, and return a
// presumably different callback function.
// This makes sure that own properties are retained, so that
// decorations and such are not lost along the way.
module.exports = wrappy
function wrappy (fn, cb) {
if (fn && cb) return wrappy(fn)(cb)
if (typeof fn !== 'function')
throw new TypeError('need wrapper function')
Object.keys(fn).forEach(function (k) {
wrapper[k] = fn[k]
})
return wrapper
function wrapper() {
var args = new Array(arguments.length)
for (var i = 0; i < args.length; i++) {
args[i] = arguments[i]
}
var ret = fn.apply(this, args)
var cb = args[args.length-1]
if (typeof ret === 'function' && ret !== cb) {
Object.keys(cb).forEach(function (k) {
ret[k] = cb[k]
})
}
return ret
}
}