This commit is contained in:
chrosey
2017-09-13 07:52:34 +02:00
parent a1f16c37f4
commit 2340b0226b
24621 changed files with 2912161 additions and 149 deletions
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# is-tar [![Build Status](https://travis-ci.org/kevva/is-tar.svg?branch=master)](https://travis-ci.org/kevva/is-tar)
> Check if a Buffer/Uint8Array is a TAR file
## Install
```sh
$ npm install --save is-tar
```
## Usage
```js
var isTar = require('is-tar');
var read = require('fs').readFileSync;
isTar(read('file.tar'));
// => true
```
## License
MIT © [Kevin Mårtensson](https://github.com/kevva)
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'use strict';
/**
* Check if a Buffer/Uint8Array is a TAR file
*
* @param {Buffer} buf
* @api public
*/
module.exports = function (buf) {
if (!buf || buf.length < 262) {
return false;
}
return buf[257] === 117 && buf[258] === 115 && buf[259] === 116 && buf[260] === 97 && buf[261] === 114;
};
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{
"_args": [
[
{
"raw": "is-tar@^1.0.0",
"scope": null,
"escapedName": "is-tar",
"name": "is-tar",
"rawSpec": "^1.0.0",
"spec": ">=1.0.0 <2.0.0",
"type": "range"
},
"c:\\xampp\\htdocs\\laravel\\node_modules\\decompress-tar"
]
],
"_from": "is-tar@>=1.0.0 <2.0.0",
"_id": "is-tar@1.0.0",
"_inCache": true,
"_location": "/is-tar",
"_npmUser": {
"name": "kevva",
"email": "kevinmartensson@gmail.com"
},
"_npmVersion": "1.4.23",
"_phantomChildren": {},
"_requested": {
"raw": "is-tar@^1.0.0",
"scope": null,
"escapedName": "is-tar",
"name": "is-tar",
"rawSpec": "^1.0.0",
"spec": ">=1.0.0 <2.0.0",
"type": "range"
},
"_requiredBy": [
"/decompress-tar"
],
"_resolved": "https://registry.npmjs.org/is-tar/-/is-tar-1.0.0.tgz",
"_shasum": "2f6b2e1792c1f5bb36519acaa9d65c0d26fe853d",
"_shrinkwrap": null,
"_spec": "is-tar@^1.0.0",
"_where": "c:\\xampp\\htdocs\\laravel\\node_modules\\decompress-tar",
"author": {
"name": "Kevin Mårtensson",
"email": "kevinmartensson@gmail.com",
"url": "https://github.com/kevva"
},
"bugs": {
"url": "https://github.com/kevva/is-tar/issues"
},
"dependencies": {},
"description": "Check if a Buffer/Uint8Array is a TAR file",
"devDependencies": {
"ava": "0.0.4",
"read-chunk": "^1.0.0"
},
"directories": {},
"dist": {
"shasum": "2f6b2e1792c1f5bb36519acaa9d65c0d26fe853d",
"tarball": "https://registry.npmjs.org/is-tar/-/is-tar-1.0.0.tgz"
},
"engines": {
"node": ">=0.10.0"
},
"files": [
"index.js"
],
"gitHead": "36fbb2abbf6ebb8fa0617c914a7c6c8337327984",
"homepage": "https://github.com/kevva/is-tar",
"keywords": [
"archive",
"buffer",
"check",
"detect",
"tar",
"type",
"uint8array"
],
"license": "MIT",
"maintainers": [
{
"name": "kevva",
"email": "kevinmartensson@gmail.com"
}
],
"name": "is-tar",
"optionalDependencies": {},
"readme": "ERROR: No README data found!",
"repository": {
"type": "git",
"url": "git+https://github.com/kevva/is-tar.git"
},
"scripts": {
"test": "node test/test.js"
},
"version": "1.0.0"
}