Add init command to generate rc file

cli.js

@@ -5,6 +5,7 @@
 var fs = require('fs');
 var path = require('path');
 
+var init = require('./lib/init');
 var generate = require('./lib/generate');
 var markdown = require('./lib/markdown');
 var updateContributors = require('./lib/contributors');
@@ -19,6 +20,8 @@ var argv = require('yargs')
   .usage('Usage: $0 generate')
   .command('add', 'add a new contributor')
   .usage('Usage: $0 add <username> <contribution>')
+  .command('init', 'Prepare the project to be used with this tool')
+  .usage('Usage: $0 init')
   .demand(2)
   .default('files', ['README.md'])
   .default('contributorsPerLine', 7)
@@ -60,7 +63,9 @@ function onError(error) {
 
 var command = argv._[0];
 
-if (command === 'generate') {
+if (command === 'init') {
+  init(onError);
+} else if (command === 'generate') {
   startGeneration(argv, onError);
 } else if (command === 'add') {
   var username = argv._[1];

lib/configFile.js

@@ -17,6 +17,10 @@ function readConfig(configPath) {
   return JSON.parse(fs.readFileSync(configPath, 'utf-8'));
 }
 
+function writeConfig(configPath, content, cb) {
+  return fs.writeFile(configPath, formatCommaFirst(content), cb);
+}
+
 function writeContributors(configPath, contributors, cb) {
   var config = readConfig(configPath);
   var content = _.assign(config, {contributors: contributors});
@@ -25,5 +29,6 @@ function writeContributors(configPath, contributors, cb) {
 
 module.exports = {
   readConfig: readConfig,
+  writeConfig: writeConfig,
   writeContributors: writeContributors
 };

lib/init/index.js

@@ -0,0 +1,10 @@
+'use strict';
+
+var prompt = require('./prompt');
+var configFile = require('../configFile');
+
+module.exports = function init(cb) {
+  prompt(function postPrompt(result) {
+    configFile.writeConfig('.all-contributorsrc', result.config, cb);
+  });
+};

lib/init/prompt.js

@@ -0,0 +1,61 @@
+'use strict';
+
+var _ = require('lodash/fp');
+var inquirer = require('inquirer');
+
+var questions = [{
+  type: 'input',
+  name: 'projectName',
+  message: "What's the name of the repository?"
+}, {
+  type: 'input',
+  name: 'projectOwner',
+  message: "Who is the owner of the repository?"
+}, {
+  type: 'input',
+  name: 'contributorFile',
+  message: 'In which file should contributors be listed?',
+  default: 'README.md'
+}, {
+  type: 'confirm',
+  name: 'needBadge',
+  message: "Do you want a badge tallying the number of contributors?"
+}, {
+  type: 'input',
+  name: 'badgeFile',
+  message: "In which file should the badge be shown?",
+  when: function (answers) {
+    return answers.needBadge;
+  },
+  default: function (answers) {
+    return answers.contributorFile;
+  }
+}, {
+  type: 'input',
+  name: 'imageSize',
+  message: "How big should the avatars be? (in px)",
+  filter: parseInt,
+  default: 100
+}];
+
+var uniqueFiles = _.flow(
+  _.compact,
+  _.uniq
+);
+
+module.exports = function prompt(cb) {
+  inquirer.prompt(questions, function treatAnswers(answers) {
+    var config = {
+      projectName: answers.projectName,
+      projectOwner: answers.projectOwner,
+      files: uniqueFiles([answers.contributorFile, answers.badgeFile]),
+      imageSize: answers.imageSize,
+      contributors: []
+    };
+    return cb({
+      config: config,
+      contributorFile: answers.contributorFile,
+      badgeFile: answers.badgeFile
+    });
+  });
+};

package.json

@@ -26,6 +26,7 @@
   },
   "homepage": "https://github.com/jfmengels/all-contributors-cli#readme",
   "dependencies": {
+    "inquirer": "^0.12.0",
     "lodash": "^4.6.1",
     "request": "^2.69.0",
     "yargs": "^4.3.2"