Fix error when exclude/include are undefined (#32)

Fixes #30

Author: jogold

src/lib/service.js

@@ -2,7 +2,7 @@ const path = require('path');
 const R = require('ramda');
 
 const makeRelative = R.replace(/[^!]+$/, R.concat('../'));
-const makeAllRelative = p => R.when(R.has(p), R.over(R.lensProp(p), R.map(makeRelative)));
+const makeAllRelative = p => R.when(R.prop(p), R.over(R.lensProp(p), R.map(makeRelative)));
 const makePackageRelative = R.compose(makeAllRelative('include'), makeAllRelative('exclude'));
 
 const setPackage = R.pipe(
@@ -16,7 +16,7 @@ const fnPath = R.compose(R.replace(/\.[^.]+$/, '.js'), R.prop('handler'));
 
 const setFnsPackage = R.map(
   R.pipe(
-    R.when(R.has('package'), R.over(R.lensProp('package'), makePackageRelative)),
+    R.when(R.prop('package'), R.over(R.lensProp('package'), makePackageRelative)),
     R.converge(
       R.over(R.lensPath(['package', 'include'])),
       [R.compose(R.append, fnPath), R.identity]

test/service.test.js

@@ -2,21 +2,31 @@ const path = require('path');
 const service = require('../src/lib/service');
 const fns = require('./fns.js');
 
+const expectedPackage = {
+  individually: true,
+  exclude: ['**'],
+};
+
 test('service package when package is undefined', () => {
-  const expectedPackage = {
-    individually: true,
-    exclude: ['**'],
-  };
   expect(service.setPackage(undefined)).toEqual(expectedPackage);
 });
 
+test('service package when package is an empty object', () => {
+  expect(service.setPackage({})).toEqual(expectedPackage);
+});
+
 test('service package with existing package and no include/exclude', () => {
   const existingPackage = {
     individually: false,
   };
-  const expectedPackage = {
-    individually: true,
-    exclude: ['**'],
+  expect(service.setPackage(existingPackage)).toEqual(expectedPackage);
+});
+
+test('service package with existing package and undefined include/exclude', () => {
+  const existingPackage = {
+    individually: false,
+    include: undefined,
+    exclude: undefined,
   };
   expect(service.setPackage(existingPackage)).toEqual(expectedPackage);
 });
@@ -27,12 +37,12 @@ test('service package with existing package and include/exclude', () => {
     include: ['node_modules/**'],
     exclude: ['*.txt'],
   };
-  const expectedPackage = {
+  const expectedPackageIncExc = {
     individually: true,
     include: ['../node_modules/**'],
     exclude: ['../*.txt', '**'],
   };
-  expect(service.setPackage(existingPackage)).toEqual(expectedPackage);
+  expect(service.setPackage(existingPackage)).toEqual(expectedPackageIncExc);
 });
 
 test('fnPath', () => {