don't load the whole path module just for the sep

Fix: #138

Author: isaacs

lib/path.js

@@ -0,0 +1,4 @@
+const isWindows = typeof process === 'object' &&
+  process &&
+  process.platform === 'win32'
+module.exports = isWindows ? { sep: '\\' } : { sep: '/' }

minimatch.js

@@ -11,9 +11,7 @@ const minimatch = module.exports = (p, pattern, options = {}) => {
 
 module.exports = minimatch
 
-const path = (() => { try { return require('path') } catch (e) {}})() || {
-  sep: '/'
-}
+const path = require('./lib/path.js')
 minimatch.sep = path.sep
 
 const GLOBSTAR = Symbol('globstar **')

package.json

@@ -26,6 +26,7 @@
   },
   "license": "ISC",
   "files": [
-    "minimatch.js"
+    "minimatch.js",
+    "lib"
   ]
 }

test/no-path-module.js

@@ -1,3 +1,6 @@
 const t = require('tap')
-const mm = t.mock('../', { path: null })
+const proc = process
+global.process = null
+const mm = t.mock('../minimatch.js')
+global.process = proc
 t.equal(mm.sep, '/')

test/win-path-sep.js

@@ -1,14 +1,14 @@
 const t = require('tap')
 t.test('path separator /', t => {
-  const mm = t.mock('../', { path: { sep: '/' }})
+  const mm = t.mock('../', { '../lib/path.js': { sep: '/' }})
 
   t.equal(mm('x/y/z', 'x/y/*/z'), false)
   t.equal(mm('x/y/w/z', 'x/y/*/z'), true)
   t.end()
 })
 
 t.test('path separator \\', t => {
-  const mm = t.mock('../', { path: { sep: '\\' }})
+  const mm = t.mock('../', { '../lib/path.js': { sep: '\\' }})
 
   t.equal(mm('x\\y\\z', 'x/y/*/z'), false)
   t.equal(mm('x\\y\\w\\z', 'x/y/*/z'), true)
@@ -17,9 +17,25 @@ t.test('path separator \\', t => {
 
 // just in case Node every adds Mac OS 9 support 😅
 t.test('path separator :', t => {
-  const mm = t.mock('../', { path: { sep: ':' }})
+  const mm = t.mock('../', { '../lib/path.js': { sep: ':' }})
 
   t.equal(mm('x:y:z', 'x/y/*/z'), false)
   t.equal(mm('x:y:w:z', 'x/y/*/z'), true)
   t.end()
 })
+
+t.test('windows default', t => {
+  const proc = global.process
+  global.process = { platform: 'win32' }
+  t.equal(t.mock('../lib/path.js').sep, '\\')
+  global.process = proc
+  t.end()
+})
+
+t.test('posix default', t => {
+  const proc = global.process
+  global.process = { platform: 'posix' }
+  t.equal(t.mock('../lib/path.js').sep, '/')
+  global.process = proc
+  t.end()
+})