Merge pull request #83 from argonlaser/master

Makes template to consume a template location

Author: scriptnull

microplan-init.js

@@ -1,11 +1,15 @@
 var program = require('commander')
 var fs = require('fs-extra')
 var path = require('path')
+var utils = require('./utils/utils.js')
+
 var templateFileLocation = {
   'yaml': 'parsers/yaml/template.yml',
   'json': 'parsers/json/template.json'
 }
 
+var suppFileExtns = ['.json', '.yml', '.yaml']
+
 var _copyTemplateToPath = function (templateFilePath, destFilePath) {
   let sourcePath = ''
   try {
@@ -24,25 +28,26 @@ var _copyTemplateToPath = function (templateFilePath, destFilePath) {
   })
 }
 program
-  .option('-t, --template <type>', 'specify input template (json|yaml) [yaml]', 'yaml')
+  .option('-t, --template <location>', 'specify input template location', templateFileLocation.yaml)
   .parse(process.argv)
 
 var initArgs = program.args
 
 if (initArgs.length > 1) {
-  console.error('Filename required')
+  console.error('Filename required. Please specify a valid', suppFileExtns.join('/'), 'template location as argument.')
   process.exit(1)
 }
 
-if (program.template === 'yaml') {
-  _copyTemplateToPath(templateFileLocation.yaml, initArgs[0])
-} else if (program.template === 'json') {
-  _copyTemplateToPath(templateFileLocation.json, initArgs[0])
-} else {
-  let type = path.extname(program.template)
-  if (type !== '.yml' && type !== '.yaml' && type !== '.json') {
-    console.error('Error : Please select proper template.')
-    process.exit(1)
-  }
-  _copyTemplateToPath(program.template, initArgs[0])
+if (utils.fileExists(program.template) === false) {
+  console.error('Please specify a valid', suppFileExtns.join('/'), 'template file location.')
+  process.exit(1)
 }
+
+let fileExt = path.extname(program.template)
+
+if (suppFileExtns.indexOf(fileExt) === -1) {
+  console.error('File extension not supported. Please use supported file extensions: ' + suppFileExtns.join(', '))
+  process.exit(1)
+}
+
+_copyTemplateToPath(program.template, initArgs[0])

utils/utils.js

@@ -1,3 +1,5 @@
+var fs = require('fs')
+
 var parseSlug = function (slug) {
   var result = {
     namespace: null,
@@ -12,7 +14,16 @@ var parseSlug = function (slug) {
   return result
 }
 
+function fileExists (filePath) {
+  try {
+    return fs.statSync(filePath).isFile()
+  } catch (err) {
+    return false
+  }
+}
+
 module.exports =
 {
+  fileExists: fileExists,
   parseSlug: parseSlug
 }