Allow adding extra grammar scopes as a configuration option

Author: default50

lib/atom-cfn-lint.js

@@ -69,7 +69,7 @@ module.exports = {
       items: {
         type: 'string'
       },
-      description: 'Ignore Rules (space deliminated)'
+      description: 'Ignore Rules (space delimited)'
     },
     appendRules: {
       title: 'Append Rules Directory',
@@ -78,13 +78,22 @@ module.exports = {
       items: {
         type: 'string'
       },
-      description: 'Append Rules Directory (space deliminated)'
+      description: 'Append Rules Directory (space delimited)'
     },
     overrideSpecPath: {
       title: 'Override Spec file path',
       type: 'string',
       description: '(Optional) Path to an override specfile json file',
       default: ''
+    },
+    extraGrammarScopes: {
+      title: 'Extra grammar scopes',
+      type: 'array',
+      default: [],
+      items: {
+        type: 'string'
+      },
+      description: '(Optional) Allows to apply the linter to other grammar scopes than the defaults source.yaml and source.json. E.g.: source.yaml.cf (Space delimited)'
     }
   },
   // activate linter
@@ -108,8 +117,17 @@ module.exports = {
         'atom-cfn-lint.overrideSpecPath',
         (value) => { this.overrideSpecPath = value }
       ),
+      atom.config.observe(
+        'atom-cfn-lint.extraGrammarScopes',
+        (value) => { this.extraGrammarScopes = value }
+      ),
     )
 
+    this.grammarScopes = ['source.yaml', 'source.json']
+    if (Array.isArray(this.extraGrammarScopes) && this.extraGrammarScopes.length) {
+        this.grammarScopes.push.apply(this.grammarScopes, this.extraGrammarScopes)
+    }
+
     scheduleIdleTasks()
   },
 
@@ -122,7 +140,7 @@ module.exports = {
   provideLinter() {
     return {
       name: 'Cfn-Lint',
-      grammarScopes: ['source.yaml', 'source.json'],
+      grammarScopes: this.grammarScopes,
       scope: 'file',
       lintsOnChange: false,
       lint: (activeEditor) => {