fix: error on missing entry

closes #467

closes #464

test/fixture/dependency.js

@@ -0,0 +1 @@
+module.exports = 'abc'

test/fixture/entry.js

@@ -0,0 +1 @@
+console.log('hello world', require('./dependency'))

test/fixture/package.json

@@ -1,3 +1,3 @@
 {
-  "main": "entry-file.js"
+  "main": "entry.js"
 }

test/options.spec.ts

@@ -15,15 +15,15 @@ describe('options', () => {
       expect(options.input).to.equal(path.resolve('./index.js'))
     })
     it('should resolve pathed options against cwd', () => {
-      const cwd = '/a/b/c'
+      const cwd = path.join(process.cwd(), 'test/fixture')
       const options = normalizeOptions({
         cwd,
-        input: '123.js',
+        input: 'entry',
         output: 'abc',
         temp: './d'
       })
       expect(options.temp).to.equal(path.resolve(cwd, './d'))
-      expect(options.input).to.equal(path.resolve(cwd, '123.js'))
+      expect(options.input).to.equal(path.resolve(cwd, 'entry.js'))
       expect(options.output).to.equal(path.resolve(cwd, `abc${ext}`))
     })
   })
@@ -36,9 +36,9 @@ describe('options', () => {
     })
     it('should default to the input file name if not index', () => {
       const options = normalizeOptions({
-        input: 'src/folder/app.js'
+        input: './test/fixture'
       })
-      expect(options.output).to.equal(path.resolve(`./app${ext}`))
+      expect(options.output).to.equal(path.resolve(`./entry${ext}`))
     })
     it('should default to the folder/project name if filename is index', () => {
       const options = normalizeOptions()

test/target.spec.ts

@@ -1,8 +1,8 @@
 import { padRight, isWindows } from '../src/util'
 import { expect } from 'chai'
-import { blue as b } from 'chalk'
+import chalk from 'chalk'
 import { getTarget, NexeTarget } from '../src/target'
-
+const b = chalk.blue
 const arch = process.arch === 'ia32' ? 'x86' : process.arch
 
 describe('Targets', () => {