fix: allow "m_" prefix to mark something as mutable

Author: RebeccaStevens

src/plugins/functional.ts

@@ -8,7 +8,7 @@ export const settings: Linter.Config = {
     "functional/immutable-data": [
       "error",
       {
-        ignoreAccessorPattern: "**.mutable*.**",
+        ignoreAccessorPattern: ["**.mutable*.**", "**.m_*.**"],
         ignoreClass: "fieldsOnly",
         ignoreImmediateMutation: true,
       },
@@ -22,7 +22,8 @@ export const settings: Linter.Config = {
     "functional/no-let": [
       "error",
       {
-        ignorePattern: "^mutable",
+        allowInForLoopInit: true,
+        ignorePattern: ["^mutable", "^m_"],
       },
     ],
     "functional/no-loop-statement": "error",

src/plugins/typescript.ts

@@ -76,6 +76,14 @@ export const settings: Linter.Config = {
         leadingUnderscore: "forbid",
         selector: "variable",
         trailingUnderscore: "forbid",
+        prefix: ["m_"],
+      },
+      {
+        format: ["camelCase", "PascalCase", "UPPER_CASE"],
+        leadingUnderscore: "forbid",
+        selector: "variable",
+        trailingUnderscore: "forbid",
+        modifiers: ["const"],
       },
       {
         format: ["camelCase", "PascalCase"],
@@ -87,6 +95,11 @@ export const settings: Linter.Config = {
         format: ["camelCase", "PascalCase", "UPPER_CASE"],
         selector: "memberLike",
       },
+      {
+        format: ["camelCase", "PascalCase", "UPPER_CASE"],
+        selector: "memberLike",
+        prefix: ["m_"],
+      },
       {
         format: ["UPPER_CASE"],
         leadingUnderscore: "forbid",