feat(*): add line endings rule, add automatic formatting for fixable violations

src/types/LintConfig.ts

@@ -2,7 +2,8 @@ import {
   hasDoxygenHeader,
   hasMacroNameInMend,
   noNestedMacros,
-  hasMacroParentheses
+  hasMacroParentheses,
+  lineEndings
 } from '../rules/file'
 import {
   indentationMultiple,
@@ -12,6 +13,7 @@ import {
   noTrailingSpaces
 } from '../rules/line'
 import { lowerCaseFileNames, noSpacesInFileNames } from '../rules/path'
+import { LineEndings } from './LineEndings'
 import { FileLintRule, LineLintRule, PathLintRule } from './LintRule'
 
 /**
@@ -27,6 +29,7 @@ export class LintConfig {
   readonly pathLintRules: PathLintRule[] = []
   readonly maxLineLength: number = 80
   readonly indentationMultiple: number = 2
+  readonly lineEndings: LineEndings = LineEndings.LF
 
   constructor(json?: any) {
     if (json?.noTrailingSpaces) {
@@ -46,6 +49,19 @@ export class LintConfig {
       this.lineLintRules.push(maxLineLength)
     }
 
+    if (json?.lineEndings) {
+      if (
+        json.lineEndings !== LineEndings.LF &&
+        json.lineEndings !== LineEndings.CRLF
+      ) {
+        throw new Error(
+          `Invalid value for lineEndings: can be ${LineEndings.LF} or ${LineEndings.CRLF}`
+        )
+      }
+      this.lineEndings = json.lineEndings
+      this.fileLintRules.push(lineEndings)
+    }
+
     if (!isNaN(json?.indentationMultiple)) {
       this.indentationMultiple = json.indentationMultiple as number
       this.lineLintRules.push(indentationMultiple)