Versioning node script

Author: jshjohnson

deploy.js

@@ -0,0 +1,51 @@
+const fs = require('fs'),
+  path = require('path'),
+  config = {
+    files: ['bower.json', 'package.json', 'index.html']
+  };
+
+/**
+ * Convert node arguments into an object
+ * @return {Object} Arguments
+ */
+const argvToObject = () => {
+  const args = {};
+  let arg = null;
+  process.argv.forEach((val, index) => {
+    if(/^--/.test(val)) {
+      arg = {
+        index: index,
+        name: val.replace(/^--/, '')
+      }
+      return;
+    }
+
+    if(arg && ((arg.index+1 === index ))) {
+      args[arg.name] = val;
+    }
+  });
+
+  return args;
+};
+
+/**
+ * Loop through passed files updating version number
+ * @param  {Object} config
+ */
+const updateVersion = (config) => {
+  const args = argvToObject();
+  const currentVersion = args.current;
+  const newVersion = args.new;
+  config.files.forEach((file) => {
+    const filePath = path.join(__dirname, file);
+    const regex = new RegExp(currentVersion, 'g');
+
+    let contents = fs.readFileSync(filePath, 'utf-8');
+    contents = contents.replace(regex, newVersion);
+    fs.writeFileSync(filePath, contents);
+  });
+
+  console.log(`Updated version to ${newVersion}`);
+};
+
+updateVersion(config);

package.json

@@ -13,7 +13,8 @@
     "js:build": "concurrently --prefix-colors yellow,green \"webpack --minimize --config webpack.config.prod.js\" \"webpack --config webpack.config.prod.js\"",
     "js:test": "./node_modules/karma/bin/karma start --single-run --no-auto-watch tests/karma.config.js",
     "js:test:watch": "./node_modules/karma/bin/karma start --auto-watch --no-single-run tests/karma.config.js",
-    "preversion": "npm run js:build"
+    "version": "node version.js --current $npm_package_version --new $npm_config_newVersion",
+    "postversion": "npm run js:build"
   },
   "repository": {
     "type": "git",

version.js

@@ -0,0 +1,50 @@
+// Example usage: npm --newVersion=2.7.2 run version
+
+const fs = require('fs'),
+  path = require('path'),
+  config = {
+    files: ['bower.json', 'package.json', 'index.html']
+  };
+
+/**
+ * Convert node arguments into an object
+ * @return {Object} Arguments
+ */
+const argvToObject = () => {
+  const args = {};
+  let arg = null;
+  process.argv.forEach((val, index) => {
+    if(/^--/.test(val)) {
+      arg = {
+        index: index,
+        name: val.replace(/^--/, '')
+      }
+      return;
+    }
+
+    if(arg && ((arg.index+1 === index ))) {
+      args[arg.name] = val;
+    }
+  });
+
+  return args;
+};
+
+const updateVersion = (config) => {
+  const args = argvToObject();
+  const currentVersion = args.current;
+  const newVersion = args.new;
+  console.log(args);
+  config.files.forEach((file) => {
+    const filePath = path.join(__dirname, file);
+    const regex = new RegExp(currentVersion, 'g');
+
+    let contents = fs.readFileSync(filePath, 'utf-8');
+    contents = contents.replace(regex, newVersion);
+    fs.writeFileSync(filePath, contents);
+  });
+
+  console.log(`Updated version to ${newVersion}`);
+};
+
+updateVersion(config);