[helix] Use ESLint through EFM language server

Author: rouge8

.config/efm-langserver/config.yaml.symlink

@@ -45,6 +45,18 @@ tools:
     lint-command: typos --format brief -- ${INPUT}
     lint-stdin: false
 
+  eslint: &eslint
+    lint-command: npx --no eslint -- --stdin --stdin-filename ${INPUT}
+    lint-stdin: true
+    lint-ignore-exit-code: true
+    format-command: npx --no eslint -- --fix-dry-run --stdin --stdin-filename ${INPUT}
+    format-stdin: true
+    root-markers:
+      - eslint.config.ts
+      - eslint.config.js
+      - eslint.config.mts
+      - eslint.config.mjs
+
 languages:
   fish:
     - <<: *fish-indent
@@ -59,3 +71,9 @@ languages:
     - <<: *ruff-format
   yaml:
     - <<: *yamllint
+  typescript:
+    - <<: *eslint
+  javascript:
+    - <<: *eslint
+  vue:
+    - <<: *eslint

.config/helix.symlink/languages.toml

@@ -53,27 +53,27 @@ language-servers = [
 
 [[language]]
 name = "vue"
-auto-format = false
+auto-format = true
 language-servers = [
   # { name = "vuels", except-features = ["format"] },
   { name = "typescript-language-server", except-features = ["format"] },
-  # "vscode-eslint-language-server",
+  { name = "efm", only-features = ["diagnostics", "format"] },
 ]
 
 [[language]]
 name = "typescript"
-auto-format = false
+auto-format = true
 language-servers = [
   { name = "typescript-language-server", except-features = ["format"] },
-  # "vscode-eslint-language-server",
+  { name = "efm", only-features = ["diagnostics", "format"] },
 ]
 
 [[language]]
 name = "javascript"
-auto-format = false
+auto-format = true
 language-servers = [
   { name = "typescript-language-server", except-features = ["format"] },
-  # "vscode-eslint-language-server",
+  { name = "efm", only-features = ["diagnostics", "format"] },
 ]
 
 [[language]]