chore(package): re-init package with commitizen and standard-release

node_modules/cz-conventional-changelog/engine.js

@@ -0,0 +1,128 @@
+"format cjs";
+
+var wrap = require('word-wrap');
+var map = require('lodash.map');
+var longest = require('longest');
+var rightPad = require('right-pad');
+
+var filter = function(array) {
+  return array.filter(function(x) {
+    return x;
+  });
+};
+
+// This can be any kind of SystemJS compatible module.
+// We use Commonjs here, but ES6 or AMD would do just
+// fine.
+module.exports = function (options) {
+
+  var types = options.types;
+
+  var length = longest(Object.keys(types)).length + 1;
+  var choices = map(types, function (type, key) {
+    return {
+      name: rightPad(key + ':', length) + ' ' + type.description,
+      value: key
+    };
+  });
+
+  return {
+    // When a user runs `git cz`, prompter will
+    // be executed. We pass you cz, which currently
+    // is just an instance of inquirer.js. Using
+    // this you can ask questions and get answers.
+    //
+    // The commit callback should be executed when
+    // you're ready to send back a commit template
+    // to git.
+    //
+    // By default, we'll de-indent your commit
+    // template and will keep empty lines.
+    prompter: function(cz, commit) {
+      console.log('\nLine 1 will be cropped at 100 characters. All other lines will be wrapped after 100 characters.\n');
+
+      // Let's ask some questions of the user
+      // so that we can populate our commit
+      // template.
+      //
+      // See inquirer.js docs for specifics.
+      // You can also opt to use another input
+      // collection library if you prefer.
+      cz.prompt([
+        {
+          type: 'list',
+          name: 'type',
+          message: 'Select the type of change that you\'re committing:',
+          choices: choices
+        }, {
+          type: 'input',
+          name: 'scope',
+          message: 'What is the scope of this change (e.g. component or file name)? (press enter to skip)\n'
+        }, {
+          type: 'input',
+          name: 'subject',
+          message: 'Write a short, imperative tense description of the change:\n'
+        }, {
+          type: 'input',
+          name: 'body',
+          message: 'Provide a longer description of the change: (press enter to skip)\n'
+        }, {
+          type: 'confirm',
+          name: 'isBreaking',
+          message: 'Are there any breaking changes?',
+          default: false
+        }, {
+          type: 'input',
+          name: 'breaking',
+          message: 'Describe the breaking changes:\n',
+          when: function(answers) {
+            return answers.isBreaking;
+          }
+        }, {
+          type: 'confirm',
+          name: 'isIssueAffected',
+          message: 'Does this change affect any open issues?',
+          default: false
+        }, {
+          type: 'input',
+          name: 'issues',
+          message: 'Add issue references (e.g. "fix #123", "re #123".):\n',
+          when: function(answers) {
+            return answers.isIssueAffected;
+          }
+        }
+      ]).then(function(answers) {
+
+        var maxLineWidth = 100;
+
+        var wrapOptions = {
+          trim: true,
+          newline: '\n',
+          indent:'',
+          width: maxLineWidth
+        };
+
+        // parentheses are only needed when a scope is present
+        var scope = answers.scope.trim();
+        scope = scope ? '(' + answers.scope.trim() + ')' : '';
+
+        // Hard limit this line
+        var head = (answers.type + scope + ': ' + answers.subject.trim()).slice(0, maxLineWidth);
+
+        // Wrap these lines at 100 characters
+        var body = wrap(answers.body, wrapOptions);
+
+        // Apply breaking change prefix, removing it if already present
+        var breaking = answers.breaking ? answers.breaking.trim() : '';
+        breaking = breaking ? 'BREAKING CHANGE: ' + breaking.replace(/^BREAKING CHANGE: /, '') : '';
+        breaking = wrap(breaking, wrapOptions);
+
+        var issues = answers.issues ? wrap(answers.issues, wrapOptions) : '';
+
+        var footer = filter([ breaking, issues ]).join('\n\n');
+
+        commit(head + '\n\n' + body + '\n\n' + footer);
+      });
+    }
+  };
+};