Add gts for linting.

.editorconfig

@@ -0,0 +1,8 @@
+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+end_of_line = lf
+charset = utf-8
+insert_final_newline = true

.eslintignore

@@ -0,0 +1 @@
+build/

.eslintrc.json

@@ -0,0 +1,41 @@
+{
+  "extends": "./node_modules/gts/",
+  "parserOptions": {
+    "warnOnUnsupportedTypeScriptVersion": false
+    // "project": ["./tsconfig.packages.json"]
+  },
+  "ignorePatterns": [
+    "*.d.ts",
+    "node_modules/",
+    "packages/malloy/src/lang/lib/Malloy",
+    "dist/"
+  ],
+  "rules": {
+    "no-console": "warn",
+    "prettier/prettier": "error",
+    "sort-keys": "off",
+    "no-duplicate-imports": "error",
+    "no-restricted-imports": [
+      "error",
+      {
+        "patterns": ["@malloydata/malloy/src/*"],
+        "paths": [
+          {
+            "name": "lodash",
+            "message": "Import [module] from lodash/[module] instead"
+          }
+        ]
+      }
+    ],
+    // "no-use-before-define": "off",
+    "no-throw-literal": "error",
+    "@typescript-eslint/no-unused-vars": [
+      "warn",
+      { "argsIgnorePattern": "^_", "varsIgnorePattern": "^_" }
+    ],
+    "@typescript-eslint/parameter-properties": [
+      "warn",
+      { "prefer": "parameter-property" }
+    ]
+  }
+}

.prettierrc.js

@@ -0,0 +1,3 @@
+module.exports = {
+  ...require('gts/.prettierrc.json')
+}

demo/malloy-demo-bq-cli/jest.config.js

@@ -22,13 +22,13 @@
  */
 
 module.exports = {
-  moduleDirectories: ["../../node_modules"],
-  moduleFileExtensions: ["js", "jsx", "ts", "tsx"],
-  modulePathIgnorePatterns: ["<rootDir>/dist/"],
-  setupFilesAfterEnv: ["jest-expect-message"],
-  testMatch: ["**/?(*.)spec.(ts|js)?(x)"],
+  moduleDirectories: ['../../node_modules'],
+  moduleFileExtensions: ['js', 'jsx', 'ts', 'tsx'],
+  modulePathIgnorePatterns: ['<rootDir>/dist/'],
+  setupFilesAfterEnv: ['jest-expect-message'],
+  testMatch: ['**/?(*.)spec.(ts|js)?(x)'],
   transform: {
-    "^.+\\.(ts|tsx)$": "ts-jest",
+    '^.+\\.(ts|tsx)$': 'ts-jest',
   },
   testTimeout: 100000,
   verbose: true,

jest.config.js

@@ -22,14 +22,14 @@
  */
 
 module.exports = {
-  moduleFileExtensions: ["js", "jsx", "ts", "tsx"],
-  setupFilesAfterEnv: ["jest-expect-message"],
-  testMatch: ["**/?(*.)spec.(ts|js)?(x)"],
-  testPathIgnorePatterns: ["/node_modules/", "/dist/", "/out/"],
+  moduleFileExtensions: ['js', 'jsx', 'ts', 'tsx'],
+  setupFilesAfterEnv: ['jest-expect-message'],
+  testMatch: ['**/?(*.)spec.(ts|js)?(x)'],
+  testPathIgnorePatterns: ['/node_modules/', '/dist/', '/out/'],
   transform: {
-    "^.+\\.(ts|tsx)$": ["ts-jest", { tsconfig: "<rootDir>/tsconfig.json" }],
+    '^.+\\.(ts|tsx)$': ['ts-jest', {tsconfig: '<rootDir>/tsconfig.json'}],
   },
   testTimeout: 100000,
   verbose: true,
-  testEnvironment: "node",
+  testEnvironment: 'node',
 };