refactor(transformations): add error for including .txt

Author: philip-cline

i18n/english.yml

@@ -489,6 +489,7 @@ components:
       label: Replace %tablePlaceholder% from %versionPlaceholder%
       name: Replace file from version transformation
   FeedTransformationErrors: 
+    csvNameContainsTxt: Custom CSV name cannot contain .txt
     csvMissingName: Custom CSV must have a name.
     undefinedCSVData: CSV data must be defined.
     undefinedTable: Table must be defined

i18n/german.yml

@@ -1462,6 +1462,7 @@ components:
     numLines: "%numLines% lines."
   FeedTransformationErrors:
     csvMissingName: Custom CSV must have a name.
+    csvNameContainsTxt: Custom CSV name cannot contain .txt
     undefinedCSVData: CSV data must be defined.
     undefinedTable: Table must be defined
   PatternStopCard:

i18n/polish.yml

@@ -1433,6 +1433,7 @@ components:
     adminTestFailed: You have attempted to view a restricted page without proper credentials
   FeedTransformationErrors:
     csvMissingName: Custom CSV must have a name.
+    csvNameContainsTxt: Custom CSV name cannot contain .txt
     undefinedCSVData: CSV data must be defined.
     undefinedTable: Table must be defined
   PatternStopCard:

lib/manager/components/transform/AddCustomFile.js

@@ -58,6 +58,9 @@ export default class AddCustomFile extends Component<TransformProps<AddCustomFil
     if (!table) {
       issues.push(CSV_VALIDATION_ERRORS.CSV_MUST_HAVE_NAME)
     }
+    if (table && table.includes('.txt')) {
+      issues.push(CSV_VALIDATION_ERRORS.CSV_NAME_CONTAINS_TXT)
+    }
     return issues
   }
 

lib/manager/util/enums/transform.js

@@ -2,6 +2,7 @@
 // Values are keys to YAML error messages.
 const CSV_VALIDATION_ERRORS = {
   CSV_MUST_HAVE_NAME: 'csvMissingName',
+  CSV_NAME_CONTAINS_TXT: 'csvNameContainsTxt',
   TABLE_MUST_BE_DEFINED: 'undefinedTable',
   UNDEFINED_CSV_DATA: 'undefinedCSVData'
 }