fix(merge): file merge handler unusable

fix #19

Author: Val-istar-Guo

src/handlers/merge.js

@@ -33,21 +33,21 @@ const mergeJson = file => {
 
   return {
     ...file,
-    content: JSON.stringify(merge({ targetFileContent, content }), null, '  ')
+    content: JSON.stringify(merge(targetFileContent, content), null, '  ')
   }
 }
 
 module.exports = createHandler(file => {
   file = readTargetFile(file)
 
   if (file.targetFile.exist) {
-    if (extname(file.targetPath) === 'json') return mergeJson(file)
+    if (extname(file.targetPath) === '.json') return mergeJson(file)
     else {
       log.error('merge', [
-        `Merge files of this type(${extname(file.targetFile)}) are not supported by mili`,
+        `Merge files of this type(${extname(file.targetPath)}) are not supported by mili`,
         'please confirm if the loaded template supports the current mili version,',
         'and feedback this question to the template developer.',
-        'The current file will be overwritten directly by the template file.'
+        'The current file will be overwritten directly by the template file.',
         `path: ${file.targetPath}`
       ].join('\n'))
     }

src/handlers/readTargetFile.js

@@ -1,16 +1,17 @@
-const { readFileSync, accessSync } = require('fs')
+const fs = require('fs')
 
 
 module.exports = file => {
   if (file.targetFile) return file
 
   try {
-    accessSync(targetFile, F_OK)
+    fs.accessSync(file.targetPath, fs.constants.F_OK)
   } catch(e) {
+    console.log('exist', e)
     return { ...file, targetFile: { exist: false } }
   }
 
-  const content = readFileSync(file.targetPath, file.encoding)
+  const content = fs.readFileSync(file.targetPath, file.encoding)
   return {
     ...file,
     targetFile: {