✨ Add feature that save json sample.

Author: nkmr-jp

.gitignore

@@ -3,4 +3,5 @@ node_modules
 vendor
 .gitignore
 *.go
+*.json
 tmp

README.md

@@ -15,14 +15,16 @@ yarn setup
 cd [your project dir]
 api-to-go https://api.github.com/users
 # > ...
+# > saved:     api.github.com/users_sample.json
 # > generated: api.github.com/users.go
 ```
 
 ```sh
 tree .
 # > .
 # > └── api.github.com
-# >     └── users.go
+# >     ├── users.go
+# >     └── users_sample.json
 ```
 
 ```go

bin/api-to-go.js

@@ -8,16 +8,20 @@ function run(url) {
   fetch(apiUrl)
     .then(res => res.json())
     .then(json => {
-        const path = _parseUrl(apiUrl)
-        const res = jsonToGo(JSON.stringify(json), path.struct);
-        const content = _buildContent(res.go, path.pkg)
-        fs.mkdirSync(path.dir, {recursive: true})
-        fs.writeFile(path.filePath, content, (err) => {
-          if (err) throw err;
-          console.log(json)
-          console.log()
-          console.log(`generated: ${path.filePath}`)
-        });
+      const path = _parseUrl(apiUrl)
+      const res = jsonToGo(JSON.stringify(json), path.struct);
+      const content = _buildContent(res.go, path.pkg)
+      fs.mkdirSync(path.dir, {recursive: true})
+      console.log(json)
+      console.log()
+      fs.writeFile(path.jsonFilePath, JSON.stringify(json,null,"\t"), (err) => {
+        if (err) throw err;
+        console.log(`saved:     ${path.jsonFilePath}`)
+      });
+      fs.writeFile(path.goFilePath, content, (err) => {
+        if (err) throw err;
+        console.log(`generated: ${path.goFilePath}`)
+      });
       }
     );
 }
@@ -28,16 +32,15 @@ function _parseUrl(apiUrl) {
   const pathArr = path.split("/")
   const pkg = pathArr[pathArr.length - 2].replace(/\./g, '')
   const last = pathArr[pathArr.length - 1] || "index"
-  const file = last + ".go"
   const struct = _capitalize(last)
   pathArr.pop()
   const dir = pathArr.join("/")
   return {
     struct,
-    file,
     pkg,
     dir,
-    filePath: `${dir}/${file}`
+    jsonFilePath: `${dir}/${last}_sample.json`,
+    goFilePath: `${dir}/${last}.go`
   }
 }