feat(helper): created copy utility module

helper/copy.js

@@ -0,0 +1,36 @@
+const fs = require('fs-extra')
+const path = require('path')
+const replace = require('replace-in-file')
+const cwd = process.cwd()
+
+module.exports = (names, type, regex) => {
+  const src = path.resolve(__dirname, '..', `files/${type}.js`)
+  const dest = (type === 'model') ? `${cwd}/src/model/` : `${cwd}/src/app/`
+
+  console.log(src, dest)
+  return fs.ensureDir(dest).then(() => {
+    const copyAction = []
+    names.forEach((name) => {
+      const filename = (type === 'model') ? `${name}` : `${name}.${type}`
+      copyAction.push(fs.copy(src, `${dest}${filename}.js`))
+    })
+    return copyAction
+  }).then(copyAction => Promise.all(copyAction).then(() => {
+    const replaceAction = []
+    names.forEach(name => {
+      const filename = (type === 'model') ? `${name}` : `${name}.${type}`
+      replaceAction.push(replace({
+        files: `${dest}${filename}.js`,
+        from: regex,
+        to: `${name[0].toUpperCase()}${name.substr(1)}`
+      }))
+    })
+    return replaceAction
+  }).catch(err => new Error(err))
+    .then(replaceAction => Promise.all(replaceAction).then(() => {
+    })).catch(err => new Error(err)))
+    .catch(err => {
+      if (err instanceof Error) throw err
+      else throw new Error(err)
+    })
+}