[Code health] Consolidate lint and tsconfig rules

.eslintignore

@@ -0,0 +1,5 @@
+**/*.json
+**/build
+**/dist
+**/generated
+**/node_modules

.eslintrc.json

@@ -0,0 +1,55 @@
+{
+  "extends": [
+    "./node_modules/gts",
+    "plugin:import/recommended",
+    "plugin:import/typescript"
+  ],
+  "env": {
+    "jasmine": true
+  },
+  "root": true,
+  "rules": {
+    "eqeqeq": ["error", "always", {"null": "ignore"}],
+    "node/no-unpublished-import": "off",
+    "node/no-unpublished-require": "off",
+    "@typescript-eslint/no-unused-vars": ["off", { "varsIgnorePattern": "_.*" }],
+    "object-curly-spacing": ["error", "always"],
+    "sort-imports": [
+      "error",
+      {
+        "ignoreCase": false,
+        "ignoreDeclarationSort": true,
+        "ignoreMemberSort": false,
+        "memberSyntaxSortOrder": ["none", "all", "multiple", "single"],
+        "allowSeparatedGroups": true
+      }
+    ],
+    "import/no-unresolved": "error",
+    "import/order": [
+      "error",
+      {
+        "groups": [
+          "builtin",
+          "external",
+          "internal",
+          ["sibling", "parent"],
+          "index",
+          "unknown"
+        ],
+        "newlines-between": "always",
+        "alphabetize": {
+          "order": "asc",
+          "caseInsensitive": true
+        }
+      }
+    ]
+  },
+  "overrides": [
+    {
+      "files": ["*.ts"],
+      "extends": [
+        "plugin:prettier/recommended"
+      ]
+    }    
+  ]
+}

.prettierrc.js

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+module.exports = {
+  ...require('gts/.prettierrc.json'),
+  bracketSpacing: true
+}

e2e-tests/.eslintrc.json

@@ -1,9 +1,15 @@
 {
-  "extends": "./node_modules/gts/",
+  "extends": "./node_modules/gts",
+  "env": {
+    "jasmine": true
+  },
+  "parser": "@typescript-eslint/parser",
+  "root": true,
   "rules": {
     "node/no-unpublished-import": ["error", {
       "allowModules": ["jasmine"]
     }],
-    "eqeqeq": ["error", "always", {"null": "ignore"}]
+    "eqeqeq": ["error", "always", {"null": "ignore"}],
+    "object-curly-spacing": ["error", "always"]
   }
 }

e2e-tests/.prettierrc.js

@@ -0,0 +1,4 @@
+module.exports = {
+  ...require('gts/.prettierrc.json'),
+  bracketSpacing: true
+}