Update eslint config

- Move to manageble private package
- Ensure '.vue' rules are used via override
- Add support for TypeScript
- Update AP config to install correctly

.eslintrc.js

@@ -1,13 +1,12 @@
 "use strict";
 
+const ts = require( "eslint-config-pegjs/overrides/typescript" )( __dirname );
+const vue = require( "eslint-config-pegjs/overrides/vue" );
+
 module.exports = {
 
-    "extends": "futagozaryuu/node-v6",
+    "extends": "pegjs",
+    "overrides": [ ts, vue ],
     "root": true,
-    "rules": {
-
-        "no-eval": 0,
-
-    },
 
 };

azure-pipelines.yml

@@ -13,6 +13,9 @@ variables:
 jobs:
 
 - template: eslint.yml@apt
+  parameters:
+    install_scope: 'yarn'
+    job_script: 'yarn lint'
 
 - template: node-test.yml@apt
   parameters:

docs/.vuepress/.eslintrc.js

@@ -1,21 +0,0 @@
-"use strict";
-
-module.exports = {
-
-    "extends": "plugin:vue/recommended",
-
-    "parserOptions": {
-
-        // plugin:vue/recommended set's this to "module" for some reason...
-        "sourceType": "script"
-
-    },
-
-    "rules": {
-
-        "vue/html-indent": [ "error", 4 ],
-        "vue/singleline-html-element-content-newline": 0,
-
-    },
-
-};

package.json

@@ -7,7 +7,7 @@
         "test"
     ],
     "scripts": {
-        "lint": "eslint --ext .js,.vue . docs/.vuepress",
+        "lint": "eslint --ext .js,.ts,.vue . docs/.vuepress",
         "spec": "mocha --reporter progress",
         "benchmark": "node tools/benchmark",
         "build-docs": "vuepress build docs",
@@ -24,8 +24,6 @@
     "dependencies": {
         "codecov": "3.3.0",
         "eslint": "5.16.0",
-        "eslint-config-futagozaryuu": "5.8.0",
-        "eslint-plugin-vue": "5.2.2",
         "mocha": "6.1.3",
         "mocha-junit-reporter": "1.22.0",
         "mocha-multi-reporters": "1.1.7",

tools/eslint-config/javascript.js

@@ -0,0 +1,13 @@
+"use strict";
+
+module.exports = {
+
+    "extends": "futagozaryuu/node-v6",
+    "rules": {
+
+        "no-duplicate-imports": [ "error", { "includeExports": false } ],
+        "no-eval": 0,
+
+    },
+
+};

tools/eslint-config/overrides/typescript.js

@@ -0,0 +1,81 @@
+"use strict";
+
+const path = require( "path" );
+
+const config = {
+    ...require( "eslint-config-futagozaryuu/stylistic-issues" ).rules,
+    ...require( "eslint-config-futagozaryuu/variables" ).rules,
+    ...require( "eslint-config-futagozaryuu/es2015" ).rules,
+};
+
+function ts( cwd ) {
+
+    const ts = require( "@typescript-eslint/eslint-plugin/dist/configs/base.json" );
+    ts.files = [ "*.ts" ];
+    ts.parserOptions = {
+
+        "project": path.join( cwd, "tsconfig.json" ),
+        "sourceType": "module",
+
+    };
+    ts.rules = {
+
+        ...require( "@typescript-eslint/eslint-plugin/dist/configs/recommended.json" ).rules,
+        ...require( "@typescript-eslint/eslint-plugin/dist/configs/eslint-recommended" ).default.overrides[ 0 ].rules,
+
+        "strict": "off",
+        "node/no-unsupported-features/es-syntax": "off",
+
+        "@typescript-eslint/ban-types": "off",
+        "@typescript-eslint/camelcase": "off",
+        "@typescript-eslint/explicit-member-accessibility": "off",
+        "@typescript-eslint/indent": config.indent,
+        "@typescript-eslint/interface-name-prefix": "off",
+        "@typescript-eslint/member-delimiter-style": [ "error", {
+            "multiline": {
+                "delimiter": "semi",
+                "requireLast": true,
+            },
+            "singleline": {
+                "delimiter": "semi",
+                "requireLast": true,
+            },
+        } ],
+        "@typescript-eslint/member-naming": [ "warn", {
+            "private": "^_",
+        } ],
+        "@typescript-eslint/member-ordering": "off",
+        "@typescript-eslint/no-array-constructor": config[ "no-array-constructor" ],
+        "@typescript-eslint/no-empty-interface": "warn",
+        "@typescript-eslint/no-explicit-any": "off",
+        "@typescript-eslint/no-extraneous-class": [ "error", {
+            "constructorOnly": true,
+            "allowEmpty": false,
+            "staticOnly": false,
+        } ],
+        "@typescript-eslint/no-for-in-array": "error",
+        "@typescript-eslint/no-inferrable-types": "off",
+        "@typescript-eslint/no-namespace": "off",
+        "@typescript-eslint/no-type-alias": "off",
+        "@typescript-eslint/no-unnecessary-type-assertion": "error",
+        "no-unused-vars": "off",
+        "@typescript-eslint/no-unused-vars": "off",
+        "no-use-before-define": "off",
+        "@typescript-eslint/no-use-before-define": config[ "no-use-before-define" ],
+        "no-useless-constructor": "off",
+        "@typescript-eslint/no-useless-constructor": config[ "no-useless-constructor" ],
+        "@typescript-eslint/promise-function-async": "off",
+        "@typescript-eslint/restrict-plus-operands": "error",
+        "@typescript-eslint/type-annotation-spacing": "error",
+        "@typescript-eslint/prefer-interface": "off",
+        "@typescript-eslint/explicit-function-return-type": [ "error", {
+            allowExpressions: true,
+        } ],
+
+    };
+
+    return ts;
+
+}
+
+module.exports = ts;

tools/eslint-config/overrides/vue.js

@@ -0,0 +1,18 @@
+"use strict";
+
+const vue = require( "eslint-plugin-vue/lib/configs/base" );
+
+vue.files = [ "*.vue" ];
+
+Object.assign( vue.rules, {
+
+    ...require( "eslint-plugin-vue/lib/configs/essential" ).rules,
+    ...require( "eslint-plugin-vue/lib/configs/strongly-recommended" ).rules,
+    ...require( "eslint-plugin-vue/lib/configs/recommended" ).rules,
+
+    "vue/html-indent": [ "error", 4 ],
+    "vue/singleline-html-element-content-newline": 0,
+
+} );
+
+module.exports = vue;

tools/eslint-config/package.json

@@ -0,0 +1,16 @@
+{
+    "name": "eslint-config-pegjs",
+    "version": "2.3.0",
+    "private": true,
+    "main": "javascript.js",
+    "dependencies": {
+        "@typescript-eslint/eslint-plugin": "1.9.1-alpha.26",
+        "@typescript-eslint/parser": "1.9.1-alpha.26",
+        "eslint-config-futagozaryuu": "5.8.0",
+        "eslint-plugin-vue": "5.2.2",
+        "typescript": "3.5.1"
+    },
+    "engines": {
+        "node": ">= 6"
+    }
+}