feat(usageParams): Capture commandline params

Author: Khaledgarbaya

index.js

@@ -0,0 +1,11 @@
+try {
+  module.exports = require('./dist/run-contentful-import').default
+} catch (err) {
+  if (err.code === 'MODULE_NOT_FOUND') {
+    require('babel-register')
+    module.exports = require('./lib/run-contentful-import').default
+  } else {
+    console.log(err)
+    process.exit(1)
+  }
+}

lib/run-contentful-import.js

@@ -0,0 +1,8 @@
+import fs from 'fs'
+import Promise from 'bluebird'
+var log = require('npmlog')
+
+Promise.promisifyAll(fs)
+export default function runContentfulImport(usageParams) {
+
+}

lib/usageParams.js

@@ -0,0 +1,54 @@
+const yargs = require('yargs')
+const log = require('npmlog')
+const packageFile = require('../package')
+
+const opts = yargs
+  .version(packageFile.version || 'Version only available on installed package')
+  .usage('Usage: $0 [options]')
+  .option('space-id', {
+    describe: 'ID of the destination space',
+    type: 'string',
+    demand: true
+  })
+  .option('management-token', {
+    describe: 'Management API token for the destination space',
+    type: 'string',
+    demand: true
+	})
+	.option('content-file', {
+		describe: 'json file that contains data to be import to your space',
+		type: 'string',
+		demand: true
+	})
+  .config('config', 'Configuration file with required values')
+  .check(function (argv) {
+    if (!argv.spaceId) {
+      log.error('Please provide --space-id to be used to import \n' +
+          'For more info See: https://www.npmjs.com/package/contentful-import'
+      )
+      process.exit(1)
+    }
+    if (!argv.managementToken) {
+      log.error('Please provide --management-token to be used for import \n' +
+          'For more info See: https://www.npmjs.com/package/contentful-import'
+      )
+      process.exit(1)
+    }
+    if (!argv.contentFile) {
+      log.error('Please provide --content-file to be used for import \n' +
+          'For more info See: https://www.npmjs.com/package/contentful-import'
+      )
+      process.exit(1)
+    }
+    return true
+  })
+  .argv
+
+opts.destinationSpace = opts.destinationSpace || opts.spaceId
+opts.sourceManagementToken = opts.sourceManagementToken || opts.managementToken
+opts.exportDir = opts.exportDir || process.cwd()
+
+module.exports = {
+  opts: opts,
+  errorLogFile: opts.exportDir + '/contentful-import-' + Date.now() + '.log'
+}