Inject some empty content when there are no contributors. Fixes #15 (#18)

.all-contributorsrc

@@ -3,35 +3,5 @@
   "projectName": "all-contributors-cli",
   "imageSize": 100,
   "commit": true,
-  "contributors": [
+  "contributors": []
-    {
-      "login": "jfmengels",
-      "name": "Jeroen Engels",
-      "avatar_url": "https://avatars.githubusercontent.com/u/3869412?v=3",
-      "profile": "https://github.com/jfmengels",
-      "contributions": [
-        "code",
-        "doc",
-        "test"
-      ]
-    },
-    {
-      "login": "kentcdodds",
-      "name": "Kent C. Dodds",
-      "avatar_url": "https://avatars.githubusercontent.com/u/1500684?v=3",
-      "profile": "http://kentcdodds.com/",
-      "contributions": [
-        "doc"
-      ]
-    },
-    {
-      "login": "jccguimaraes",
-      "name": "João Guimarães",
-      "avatar_url": "https://avatars.githubusercontent.com/u/14871650?v=3",
-      "profile": "https://github.com/jccguimaraes",
-      "contributions": [
-        "code"
-      ]
-    }
-  ]
 }

lib/generate/index.js

@@ -18,7 +18,7 @@ function injectListBetweenTags(newContent) {
       return previousContent;
     }
     return previousContent.slice(0, endOfOpeningTagIndex + closingTag.length) +
-      '\n' + newContent + '\n' +
+      newContent +
       previousContent.slice(startOfClosingTagIndex);
   };
 }
@@ -43,7 +43,10 @@ function generateContributorsList(options, contributors) {
       var columnLine = createColumnLine(options, contributors);
       return injectContentBetween(lines, columnLine, 1, 1);
     },
-    _.join('\n')
+    _.join('\n'),
+    function (newContent) {
+      return '\n' + newContent + '\n';
+    }
   )(contributors);
 }
 
@@ -60,7 +63,7 @@ function replaceBadge(newContent) {
 }
 
 module.exports = function generate(options, contributors, fileContent) {
-  var contributorsList = generateContributorsList(options, contributors);
+  var contributorsList = contributors.length === 0 ? '\n' : generateContributorsList(options, contributors);
   var badge = formatBadge(options, contributors);
   return _.flow(
     injectListBetweenTags(contributorsList),

lib/generate/index.test.js

@@ -136,6 +136,27 @@ test('should not inject anything if end tag is malformed', t => {
   t.is(result, content);
 });
 
+test('should inject nothing if there are no contributors', t => {
+  const {options, content} = fixtures();
+  const contributorList = [];
+  const expected = [
+    '# project',
+    '',
+    'Description',
+    '',
+    '## Contributors',
+    'These people contributed to the project:',
+    '<!-- ALL-CONTRIBUTORS-LIST:START -->',
+    '<!-- ALL-CONTRIBUTORS-LIST:END -->',
+    '',
+    'Thanks a lot guys!'
+  ].join('\n');
+
+  const result = generate(options, contributorList, content);
+
+  t.is(result, expected);
+});
+
 test('should replace all-contributors badge if present', t => {
   const {kentcdodds} = contributors;
   const {options} = fixtures();