Added react-native new-library command

local-cli/generator-utils.js

@@ -0,0 +1,47 @@
+'use strict';
+
+var path = require('path');
+var fs = require('fs');
+
+function copyAndReplace(src, dest, replacements) {
+  if (fs.lstatSync(src).isDirectory()) {
+    if (!fs.existsSync(dest)) {
+      fs.mkdirSync(dest);
+    }
+  } else {
+    var content = fs.readFileSync(src, 'utf8');
+    Object.keys(replacements).forEach(function(regex) {
+      content = content.replace(new RegExp(regex, 'g'), replacements[regex]);
+    });
+    fs.writeFileSync(dest, content);
+  }
+}
+
+function walk(current) {
+  if (!fs.lstatSync(current).isDirectory()) {
+    return [current];
+  }
+
+  var files = fs.readdirSync(current).map(function(child) {
+    child = path.join(current, child);
+    return walk(child);
+  });
+  return [].concat.apply([current], files);
+}
+
+function validatePackageName(name) {
+  if (!name.match(/^[$A-Z_][0-9A-Z_$]*$/i)) {
+    console.error(
+      '"%s" is not a valid name for a project. Please use a valid identifier ' +
+        'name (alphanumeric).',
+      name
+    );
+    process.exit(1);
+  }
+}
+
+module.exports = {
+  copyAndReplace: copyAndReplace,
+  walk: walk,
+  validatePackageName: validatePackageName
+};