Merge pull request #17 from Romick2005/filepath-linting

#16 Add file path linting functionality.

Author: pehbehbeh

lib/cli.js

@@ -7,8 +7,8 @@ const run = (args) => {
   program
     .version(packageDetails.version)
     .description(packageDetails.description)
-    .usage('[options] <paths ...>')
-    .arguments('<paths>')
+    .usage('[options] <paths|file path ...>')
+    .arguments('<paths|file path>')
     .parse(process.argv)
 
   if (!program.args.length) {

lib/linter.js

@@ -13,34 +13,47 @@ class Linter {
 
   checkPaths (pathsToCheck) {
     pathsToCheck.forEach((pathToCheck) => {
-      this.checkPath(pathToCheck)
+      if (pathToCheck.substr(-3) === 'vue') {
+        this.lintFile(pathToCheck, this.walkerEndHandler.bind(this))
+      } else {
+        this.checkPath(pathToCheck)
+      }
     })
   }
 
   checkPath (arg) {
     const walker = walk.walk(arg, { followLinks: false })
     walker.on('file', this.walkerFileHandler.bind(this))
     walker.on('end', this.walkerEndHandler.bind(this))
+    walker.on('errors', this.walkerErrorsHandler.bind(this))
+  }
+
+  walkerErrorsHandler (root, nodeStatsArray, next) {
+    console.error('Linting Error: Invalid sass linting path.')
+    console.log(nodeStatsArray)
+    next()
   }
 
   walkerFileHandler (root, fileStat, next) {
     const filename = `${root}/${fileStat.name}`
-
     if (filename.substr(-3) !== 'vue') {
       return next()
     }
+    this.lintFile(path.resolve(root, fileStat.name), next)
+  }
 
-    fs.readFile(path.resolve(root, fileStat.name), (error, fileData) => {
+  lintFile (filePath, next) {
+    fs.readFile(filePath, (error, fileData) => {
       if (error) {
-        return console.log(error)
+        return console.error(error)
       }
 
       const fileTemplates = this.extractFileTemplates(fileData)
 
       fileTemplates.forEach((template) => {
         const fileErrors = sassLint.lintText({
           text: template.content,
-          filename: filename,
+          filename: filePath,
           format: 'scss'
         })