├── .gitignore
├── package.json
├── test.js
└── index.js


/.gitignore:
--------------------------------------------------------------------------------
1 | node_modules
2 | npm-debug.log
3 | 


--------------------------------------------------------------------------------
/package.json:
--------------------------------------------------------------------------------
 1 | {
 2 |   "name": "is-native",
 3 |   "version": "0.0.1",
 4 |   "description": "Check if a given node package has a compilation build step.",
 5 |   "main": "index.js",
 6 |   "dependencies": {
 7 |     "tar-stream": "^1.0.0",
 8 |     "debug": "^2.0.0",
 9 |     "request": "^2.45.0"
10 |   },
11 |   "devDependencies": {},
12 |   "scripts": {
13 |     "test": "node test.js"
14 |   },
15 |   "repository": {
16 |     "type": "git",
17 |     "url": "git@github.com:pose/is-native.git"
18 |   },
19 |   "author": "",
20 |   "license": "MIT",
21 |   "bugs": {
22 |     "url": "https://github.com/pose/is-native/issues"
23 |   },
24 |   "homepage": "https://github.com/pose/is-native"
25 | }
26 | 


--------------------------------------------------------------------------------
/test.js:
--------------------------------------------------------------------------------
 1 | var assert = require('assert');
 2 | 
 3 | var isNative = require('./index');
 4 | 
 5 | isNative('https://registry.npmjs.org/geoip/-/geoip-0.5.4.tgz', function (err, isNative) {
 6 |   assert.ifError(err);
 7 |   assert.equal(true, isNative);
 8 | });
 9 | 
10 | isNative('https://registry.npmjs.org/oauth-sign/-/oauth-sign-0.3.0.tgz', function (err, isNative) {
11 |   assert.ifError(err);
12 |   assert.equal(false, isNative);
13 | });
14 | 
15 | isNative('http://registry.npmjs.org/couchbase/-/couchbase-2.0.0.tgz', function (err, isNative) {
16 |   assert.ifError(err);
17 |   assert.equal(true, isNative);
18 | });
19 | 
20 | isNative('foo', function (err, isNative) {
21 |   assert.equal('Invalid URI "foo"', err.message);
22 | });
23 | 
24 | isNative('http://registry.npmjs.org/couchbase/', function (err, isNative) {
25 |   assert.equal('incorrect header check', err.message);
26 | });
27 | 


--------------------------------------------------------------------------------
/index.js:
--------------------------------------------------------------------------------
 1 | var assert = require('assert');
 2 | var zlib = require('zlib');
 3 | 
 4 | var debug = require('debug')('is-native');
 5 | var request = require('request');
 6 | var tar = require('tar-stream');
 7 | 
 8 | module.exports = function isNative(url, cb) {
 9 | 
10 |   function onError (err) {
11 |     extract.removeAllListeners('finish');
12 |     extract.removeAllListeners('entry');
13 |     extract.removeAllListeners('error');
14 |     gunzip.removeAllListeners('error');
15 |     resourceStream.removeAllListeners('end');
16 |     resourceStream.removeAllListeners('data');
17 |     resourceStream.removeAllListeners('response');
18 |     resourceStream.removeAllListeners('error');
19 |     cb(err);
20 |   }
21 | 
22 |   var extract = tar.extract();
23 |   var resourceStream;
24 |   var gunzip = zlib.createGunzip();
25 |   var totalLength = 0;
26 | 
27 |   try {
28 |     resourceStream = request.get(url);
29 |   } catch (e) {
30 |     return cb(e);
31 |   }
32 | 
33 |   extract.on('entry', function (header, stream, callback) {
34 |     // TODO In old packages we should check for node-waaf
35 |     if (header.name === 'package/binding.gyp') {
36 |       extract.removeAllListeners('entry');
37 |       extract.removeAllListeners('finish');
38 |       extract.removeAllListeners('error');
39 |       resourceStream.removeAllListeners('data');
40 |       unzippedStream.unpipe(extract);
41 |       extract.end();
42 |       unzippedStream.end();
43 |       resourceStream.end();
44 |       cb(null, true);
45 |       callback();
46 |       return;
47 |     }
48 |     stream.resume();
49 |     callback();
50 |   });
51 | 
52 |   extract.once('finish', function () {
53 |     extract.removeAllListeners('error');
54 |     extract.removeAllListeners('entry');
55 |     cb(null, false);
56 |   });
57 | 
58 |   var readBytes = 0;
59 |   resourceStream.on('data', function (data) {
60 |     readBytes += data.length;
61 |   });
62 | 
63 |   resourceStream.once('end', function () {
64 |     debug('Total Read ' + readBytes + ' out of ' + totalLength + ' ' + Math.floor((readBytes / totalLength) * 100) + '%');
65 |   });
66 | 
67 |   resourceStream.once('response', function (response) {
68 |     totalLength = response.headers['content-length'];
69 |   });
70 | 
71 |   var unzippedStream = resourceStream.pipe(gunzip);
72 | 
73 |   gunzip.once('error', onError);
74 |   extract.once('error', onError);
75 |   resourceStream.once('error', onError);
76 |   unzippedStream.once('error', onError);
77 | 
78 |   unzippedStream.pipe(extract);
79 | 
80 | };
81 | 
82 | 


--------------------------------------------------------------------------------