Add eslint, eslint_d linters (#7)

* Add eslint_d linter

* Use eslint_d for source

* Add to readme

* Use GitHub URL for readme link.

Co-authored-by: HyBer <[email protected]>

* Add find to eslint_d

* Add eslint_d to linter init

* Add eslint

* Add eslint to readme

---------

Co-authored-by: HyBer <[email protected]>

README.md

@@ -37,6 +37,8 @@
 
 - [x] [clang-tidy](https://clang.llvm.org/extra/clang-tidy/)
 - [ ] [codespell](https://github.com/codespell-project/codespell)
+- [ ] [eslint](https://eslint.org/)
+- [ ] [eslint_d](https://github.com/mantoni/eslint_d.js)
 - [x] [flake8](https://github.com/PyCQA/flake8)
 - [x] [hadolint](https://github.com/hadolint/hadolint)
 - [x] [luacheck](https://github.com/lunarmodules/luacheck)

lua/guard-collection/linter/eslint.lua

@@ -0,0 +1,33 @@
+local lint = require('guard.lint')
+
+return {
+  cmd = 'eslint',
+  args = { '--format', 'json', '--stdin', '--stdin-filename' },
+  stdin = true,
+  fname = true,
+  find = {
+    '.eslintrc.js',
+    '.eslintrc.cjs',
+    '.eslintrc.yaml',
+    '.eslintrc.yml',
+    '.eslintrc.json',
+  },
+  parse = lint.from_json({
+    get_diagnostics = function(...)
+      return vim.json.decode(...)[1].messages
+    end,
+    attributes = {
+      lnum = 'line',
+      end_lnum = 'endLine',
+      col = 'column',
+      end_col = 'endColumn',
+      message = 'message',
+      code = 'ruleId',
+    },
+    severities = {
+      lint.severities.warning,
+      lint.severities.error,
+    },
+    source = 'eslint',
+  }),
+}

lua/guard-collection/linter/eslint_d.lua

@@ -0,0 +1,33 @@
+local lint = require('guard.lint')
+
+return {
+  cmd = 'eslint_d',
+  args = { '--format', 'json', '--stdin', '--stdin-filename' },
+  stdin = true,
+  fname = true,
+  find = {
+    '.eslintrc.js',
+    '.eslintrc.cjs',
+    '.eslintrc.yaml',
+    '.eslintrc.yml',
+    '.eslintrc.json',
+  },
+  parse = lint.from_json({
+    get_diagnostics = function(...)
+      return vim.json.decode(...)[1].messages
+    end,
+    attributes = {
+      lnum = 'line',
+      end_lnum = 'endLine',
+      col = 'column',
+      end_col = 'endColumn',
+      message = 'message',
+      code = 'ruleId',
+    },
+    severities = {
+      lint.severities.warning,
+      lint.severities.error,
+    },
+    source = 'eslint_d',
+  }),
+}

lua/guard-collection/linter/init.lua

@@ -1,6 +1,8 @@
 return {
   ['clang-tidy'] = require('guard-collection.linter.clang-tidy'),
   codespell = require('guard-collection.linter.codespell'),
+  eslint = require('guard-collection.linter.eslint'),
+  eslint_d = require('guard-collection.linter.eslint_d'),
   flake8 = require('guard-collection.linter.flake8'),
   hadolint = require('guard-collection.linter.hadolint'),
   luacheck = require('guard-collection.linter.luacheck'),