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Fix for Issue #39 regarding NODE_PATH #47

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Fix for Issue #39 regarding NODE_PATH #47

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928b4d8
Fix for Issue #39 regarding `NODE_PATH`
job13er Jun 10, 2014
ab06633
bumping the version number
job13er Jun 10, 2014
98eb532
Removing version bump
job13er Jun 10, 2014
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8 changes: 7 additions & 1 deletion lib/node-modules-paths.js
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,8 @@ module.exports = function (start, opts) {
var parts = start.split(splitRe);

var dirs = [];
var envDirs = [];
var envDelimeter = ':';
for (var i = parts.length - 1; i >= 0; i--) {
if (modules.indexOf(parts[i]) !== -1) continue;
dirs = dirs.concat(modules.map(function(module_dir) {
Expand All @@ -31,6 +33,10 @@ module.exports = function (start, opts) {
}
if (process.platform === 'win32'){
dirs[dirs.length-1] = dirs[dirs.length-1].replace(":", ":\\");
envDelimeter = ';';
}
return dirs.concat(opts.paths);
if (process.env.NODE_PATH) {
envDirs = process.env.NODE_PATH.split(envDelimeter);
}
return dirs.concat(opts.paths, envDirs);
}
79 changes: 74 additions & 5 deletions test/node_path.js
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Original file line number Diff line number Diff line change
Expand Up @@ -2,9 +2,10 @@ var path = require('path');
var test = require('tap').test;
var resolve = require('../');

test('$NODE_PATH', function (t) {
t.plan(3);

// Ensure that the `opts.paths` paths are searched
test('opts.paths', function (t) {
t.plan(4);

resolve('aaa', {
paths: [
__dirname + '/node_path/x',
Expand All @@ -14,7 +15,7 @@ test('$NODE_PATH', function (t) {
}, function (err, res) {
t.equal(res, __dirname + '/node_path/x/aaa/index.js');
});

resolve('bbb', {
paths: [
__dirname + '/node_path/x',
Expand All @@ -24,7 +25,7 @@ test('$NODE_PATH', function (t) {
}, function (err, res) {
t.equal(res, __dirname + '/node_path/y/bbb/index.js');
});

resolve('ccc', {
paths: [
__dirname + '/node_path/x',
Expand All @@ -46,3 +47,71 @@ test('$NODE_PATH', function (t) {
t.equal(res, path.resolve(__dirname, '..', 'node_modules/tap/lib/main.js'));
});
});

// Ensure that the `NODE_PATH` environment is searched
test('$NODE_PATH async', function (t) {
t.plan(4);

// Construct the NODE_PATH environment variable
var nodePaths = [
__dirname + '/node_path/x',
__dirname + '/node_path/y'
];

var delimeter = process.platform === 'win32' ? ';' : ':';
process.env.NODE_PATH = nodePaths.join(delimeter);

resolve('aaa', {
}, function (err, res) {
t.equal(res, __dirname + '/node_path/x/aaa/index.js');
});

resolve('bbb', {
}, function (err, res) {
t.equal(res, __dirname + '/node_path/y/bbb/index.js');
});

resolve('ccc', {
}, function (err, res) {
t.equal(res, __dirname + '/node_path/x/ccc/index.js');
});

// ensure that relative paths still resolve against the
// regular `node_modules` correctly
resolve('tap', {
paths: [
'node_path',
],
basedir: 'node_path/x',
}, function (err, res) {
t.equal(res, path.resolve(__dirname, '..', 'node_modules/tap/lib/main.js'));
});
});

// Ensure that the `NODE_PATH` environment is searched in sync
test('$NODE_PATH sync', function (t) {
t.plan(4);

// Construct the NODE_PATH environment variable
var nodePaths = [
__dirname + '/node_path/x',
__dirname + '/node_path/y'
];

var delimeter = process.platform === 'win32' ? ';' : ':';
process.env.NODE_PATH = nodePaths.join(delimeter);

var res = resolve.sync('aaa');
t.equal(res, __dirname + '/node_path/x/aaa/index.js');

res = resolve.sync('bbb');
t.equal(res, __dirname + '/node_path/y/bbb/index.js');

res = resolve.sync('ccc');
t.equal(res, __dirname + '/node_path/x/ccc/index.js');

// ensure that relative paths still resolve against the
// regular `node_modules` correctly
res = resolve.sync('tap');
t.equal(res, path.resolve(__dirname, '..', 'node_modules/tap/lib/main.js'));
});