Use an enum for shfmt language dialect config

Author: chris-reeves

server/src/config.ts

@@ -46,6 +46,9 @@ export const ConfigSchema = z.object({
       // Controls the executable used for Shfmt formatting. An empty string will disable formatting
       path: z.string().trim().default('shfmt'),
 
+      // Language dialect to use when parsing (bash/posix/mksh/bats).
+      languageDialect: z.enum(['auto', 'bash', 'posix', 'mksh', 'bats']).default('auto'),
+
       // Allow boolean operators (like && and ||) to start a line.
       binaryNextLine: z.boolean().default(false),
 
@@ -58,9 +61,6 @@ export const ConfigSchema = z.object({
       // (Deprecated) Keep column alignment padding.
       keepPadding: z.boolean().default(false),
 
-      // Language dialect to use when parsing (bash/posix/mksh/bats).
-      languageDialect: z.string().trim().default('auto'),
-
       // Simplify code before formatting.
       simplifyCode: z.boolean().default(false),
 

vscode-client/package.json

@@ -86,6 +86,13 @@
         "bashIde.shfmt.languageDialect": {
           "type": "string",
           "default": "auto",
+          "enum": [
+            "auto",
+            "bash",
+            "posix",
+            "mksh",
+            "bats"
+          ],
           "description": "Language dialect to use when parsing (bash/posix/mksh/bats)."
         },
         "bashIde.shfmt.binaryNextLine": {