Basic improvements

README.md

@@ -3,19 +3,25 @@
 Under the hood it uses ApolloServer and graphql-import library.
 
 ## Installation
+### Locally
 Using yarn:
+
 `yarn add fast-graphql-mock`
 
+
 or npm:
-`npm install fast-graphql-mock`
 
-You can also install this package globally:
+`npm install fast-graphql-mock`
 
 
+### Globally
 yarn:
+
 `yarn global add fast-graphql-mock`
 
+
 npm:
+
 `npm install -g fast-graphql-mock`
 
 ## Usage

package.json

@@ -1,6 +1,6 @@
 {
   "name": "fast-graphql-mock",
-  "version": "1.0.2",
+  "version": "1.0.4",
   "description": "A library for mocking GraphQL schema using one command",
   "bin": "src/index.js",
   "repository": {

src/index.js

@@ -8,6 +8,8 @@ program
     .option('-f --file <file>', 'schema file location', 'schema.graphql')
     .option('-p --port <port>', 'apollo server port', '4000')
 
+program.parse(process.argv)
+
 const options = program.opts()
 
 const schema = mockSchema(options.file)

src/mock.js

@@ -1,7 +1,16 @@
 const graphqlImport = require('graphql-import')
 const graphqlTools = require('graphql-tools')
+const fs = require('fs')
+
+function checkIfFileExist(path) {
+    if (!fs.existsSync(path)) {
+        console.error(`${path} does not exist`)
+        process.exit(1)
+    }
+}
 
 function mockSchema(file) {
+    checkIfFileExist(file)
     const schemaFile = graphqlImport.importSchema(file)
     const schema = graphqlTools.makeExecutableSchema({ typeDefs: schemaFile })
     graphqlTools.addMockFunctionsToSchema({ schema })