if npm publishing into repo fails created git commits/tags should be deleted

bin/npm-publish.js

@@ -1,11 +1,37 @@
 #!/usr/bin/env node
+'use strict';
 
-var program = require('commander');
-var fluidPublish = require('fluid-publish');
-var path = require('path');
-var fs = require('fs');
-var lodash = require('lodash');
-var execSync = require("child_process").execSync;
+let program = require('commander');
+let fluidPublish = require('fluid-publish');
+let path = require('path');
+let fs = require('fs');
+let execSync = require("child_process").execSync;
+
+
+function isTag(tag) {
+  const tagList = execSync('git tag').toString().split('\n');
+  if (tagList.indexOf(tag) !== -1) {
+    return true;
+  }
+
+  return false;
+}
+
+function isNpmVersion(packageName, version) {
+  const npmVersion = execSync(`npm view ${packageName} version`).toString();
+  return npmVersion.trim() === version.trim();
+}
+
+function cleanErrorPublish({ packageName, hasTag, hasVersion, tag, version}) {
+  if (hasTag) { // Delete tag from GitHub
+    execSync(`git tag -d ${tag}`);
+    execSync(`git push origin :refs/tags/${tag}`);
+  }
+
+  if (hasVersion) { // Delete version from npm
+    execSync(`npm unpublish ${packageName}@${version}`);
+  }
+}
 
 program
   .version(require('../package.json').version)
@@ -25,37 +51,51 @@ program.parse(process.argv);
 
 //override default date format and change timestamp of current revision to now time
 fluidPublish.convertToISO8601 = function(timestamp) {
-  var date = new Date().toISOString();
+  const date = new Date().toISOString();
   //remove {':', '-'} symbols from format because npm publish doesn't work
   return date.split(':').join('').split('-').join('');
 };
 
 if (program.release) {
-  var updatingVersionMessage = 'Updating to a version to ';
-  var currentPath = process.cwd();
-  var packageFilename = path.join(currentPath, 'package.json');
-  var version = require(packageFilename).version;
+  let updatingVersionMessage = 'Updating to a version to ';
+  let currentPath = process.cwd();
+  let packageFilename = path.join(currentPath, 'package.json');
+  let currentPackage = require(packageFilename);
+  let version = currentPackage.version;
+  let tag = `v${version}`;
+  let packageName = currentPackage.name;
+  let isSuccessful = true;
 
-  if (!program.test) {
-    execSync(`node ${path.resolve(__dirname, './update-changelog.js')}`, { stdio: 'inherit' });
-    execSync('git push');
+  try {
+    fluidPublish.standard(program.test, {
+      "pushVCTagCmd": "git push origin v${version}",
+      "vcTagCmd": "git tag -a v${version} -m \"Tagging the ${version} release\""
+    });
+  } catch (e) {
+    isSuccessful = false;
+
+    if (!program.test) {
+      const hasTag = isTag(tag);
+      const hasVersion = isNpmVersion(packageName, version);
+      cleanErrorPublish({ packageName, hasTag, hasVersion, tag, version});
+
+      process.exit(1);
+    }
   }
 
-  fluidPublish.standard(program.test, {
-    "pushVCTagCmd": "git push origin v${version}",
-    "vcTagCmd": "git tag -a v${version} -m \"Tagging the ${version} release\""
-  });
+  if (!program.test && isSuccessful) {
+    execSync(`node ${path.resolve(__dirname, './update-changelog.js')}`, { stdio: 'inherit' });
+    execSync('git push');
 
-  if (!program.test) {
-    var vNumbers = version.split(".");
-    var lastNumber = parseInt(vNumbers[vNumbers.length - 1], 10);
+    let vNumbers = version.split(".");
+    let lastNumber = parseInt(vNumbers[vNumbers.length - 1], 10);
     vNumbers[vNumbers.length - 1] = lastNumber + 1;
-    var targetVersion = vNumbers.join('.');
+    let targetVersion = vNumbers.join('.');
 
-    var VERSION_REGEXP = new RegExp(
+    let VERSION_REGEXP = new RegExp(
       '([\'|\"]?version[\'|\"]?[ ]*:[ ]*[\'|\"]?)[\\d||A-a|.|-]*([\'|\"]?)', 'gi');
 
-    var packageData = fs.readFileSync(packageFilename).toString();
+    let packageData = fs.readFileSync(packageFilename).toString();
     packageData = packageData.replace(VERSION_REGEXP, "\"version\": \"" + targetVersion + "\"");
     fs.writeFileSync(packageFilename, packageData);