chore: align linter rules with repo open-telemetry/opentelemetry-js (o…

…pen-telemetry#127)

api/.eslintrc.js

@@ -1,64 +1,69 @@
 module.exports = {
-    "env": {
-        "mocha": true,
-        "commonjs": true,
-        "shared-node-browser": true
-    },
-    plugins: [
-        "@typescript-eslint",
-        "header"
+  plugins: [
+    "@typescript-eslint",
+    "header",
+    "node"
+  ],
+  extends: ["eslint:recommended", "plugin:@typescript-eslint/recommended"],
+  parser: "@typescript-eslint/parser",
+  parserOptions: {
+    "project": "./tsconfig.json"
+  },
+  rules: {
+    "quotes": [2, "single", { "avoidEscape": true }],
+    "@typescript-eslint/no-floating-promises": 2,
+    "@typescript-eslint/no-this-alias": "off",
+    "brace-style": ["error", "1tbs"],
+    "eqeqeq": [
+      "error",
+      "smart"
     ],
-    extends: [
-        "./node_modules/gts",
+    "prefer-rest-params": "off",
+    "@typescript-eslint/naming-convention": [
+      "error",
+      {
+        "selector": "memberLike",
+        "modifiers": ["private", "protected"],
+        "format": ["camelCase"],
+        "leadingUnderscore": "require"
+      }
     ],
-    parser: "@typescript-eslint/parser",
-    parserOptions: {
-        "project": [
-            "./tsconfig.json"
-        ]
-    },
-    ignorePatterns: [
-        'build',
-    ],
-    rules: {
-        "@typescript-eslint/no-this-alias": "off",
-        "eqeqeq": [
-            "error",
-            "smart"
-        ],
-        "prefer-rest-params": "off",
-        "@typescript-eslint/naming-convention": [
-            "error",
-            {
-                "selector": "memberLike",
-                "modifiers": ["private", "protected"],
-                "format": ["camelCase"],
-                "leadingUnderscore": "require"
-            }
-        ],
-        "@typescript-eslint/no-unused-vars": ["error", { "argsIgnorePattern": "^_", "args": "after-used" }],
-        "@typescript-eslint/no-inferrable-types": ["error", { ignoreProperties: true }],
-        "arrow-parens": ["error", "as-needed"],
-        "prettier/prettier": ["error", { "singleQuote": true, "arrowParens": "avoid" }],
-        "prefer-spread": "off",
-        "node/no-deprecated-api": ["warn"],
-        "header/header": [2, "block", [{
-            pattern: / \* Copyright The OpenTelemetry Authors[\r\n]+ \*[\r\n]+ \* Licensed under the Apache License, Version 2\.0 \(the \"License\"\);[\r\n]+ \* you may not use this file except in compliance with the License\.[\r\n]+ \* You may obtain a copy of the License at[\r\n]+ \*[\r\n]+ \*      https:\/\/www\.apache\.org\/licenses\/LICENSE-2\.0[\r\n]+ \*[\r\n]+ \* Unless required by applicable law or agreed to in writing, software[\r\n]+ \* distributed under the License is distributed on an \"AS IS\" BASIS,[\r\n]+ \* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied\.[\r\n]+ \* See the License for the specific language governing permissions and[\r\n]+ \* limitations under the License\./gm,
-            template:
-                `\n * Copyright The OpenTelemetry Authors\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *      https://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n `
-        }]]
-    },
-    overrides: [
-        {
-            "files": ["test/**/*.ts"],
-            "rules": {
-                "no-empty": "off",
-                "@typescript-eslint/ban-ts-ignore": "off",
-                "@typescript-eslint/no-empty-function": "off",
-                "@typescript-eslint/no-explicit-any": "off",
-                "@typescript-eslint/no-unused-vars": "off",
-                "@typescript-eslint/no-var-requires": "off"
-            }
-        }
-    ]
-}
+    "no-console": "error",
+    "no-shadow": "off",
+    "@typescript-eslint/no-shadow": ["warn"],
+    "@typescript-eslint/no-unused-vars": ["error", {"argsIgnorePattern": "^_", "args": "after-used"}],
+    "@typescript-eslint/no-inferrable-types": ["error", { ignoreProperties: true }],
+    "@typescript-eslint/no-empty-function": ["off"],
+    "@typescript-eslint/ban-types": ["warn", {
+      "types": {
+        "Function": null,
+      }
+    }],
+    "@typescript-eslint/no-shadow": ["warn"],
+    "arrow-parens": ["error", "as-needed"],
+    "node/no-deprecated-api": ["warn"],
+    "header/header": [2, "block", [{
+      pattern: / \* Copyright The OpenTelemetry Authors[\r\n]+ \*[\r\n]+ \* Licensed under the Apache License, Version 2\.0 \(the \"License\"\);[\r\n]+ \* you may not use this file except in compliance with the License\.[\r\n]+ \* You may obtain a copy of the License at[\r\n]+ \*[\r\n]+ \*      https:\/\/www\.apache\.org\/licenses\/LICENSE-2\.0[\r\n]+ \*[\r\n]+ \* Unless required by applicable law or agreed to in writing, software[\r\n]+ \* distributed under the License is distributed on an \"AS IS\" BASIS,[\r\n]+ \* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied\.[\r\n]+ \* See the License for the specific language governing permissions and[\r\n]+ \* limitations under the License\./gm,
+      template:
+        `\n * Copyright The OpenTelemetry Authors\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *      https://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n `
+    }]]
+  },
+  overrides: [
+    {
+      "files": ["test/**/*.ts"],
+      "rules": {
+        "no-empty": "off",
+        "@typescript-eslint/ban-ts-ignore": "off",
+        "@typescript-eslint/no-empty-function": "off",
+        "@typescript-eslint/no-explicit-any": "off",
+        "@typescript-eslint/no-floating-promises": 1,
+        "@typescript-eslint/no-unused-vars": "off",
+        "@typescript-eslint/no-var-requires": "off",
+        "@typescript-eslint/no-shadow": ["off"],
+        "@typescript-eslint/no-floating-promises": ["off"],
+        "@typescript-eslint/no-non-null-assertion": ["off"],
+        "@typescript-eslint/explicit-module-boundary-types": ["off"]
+      }
+    }
+  ]
+};

api/package.json

@@ -61,15 +61,14 @@
     "@types/node": "14.17.4",
     "@types/sinon": "10.0.2",
     "@types/webpack-env": "1.16.0",
-    "@typescript-eslint/eslint-plugin": "4.28.1",
-    "@typescript-eslint/parser": "4.28.1",
+    "@typescript-eslint/eslint-plugin": "5.0.0",
+    "@typescript-eslint/parser": "5.0.0",
     "codecov": "3.8.2",
     "dpdm": "3.7.1",
-    "eslint": "7.30.0",
+    "eslint": "7.32.0",
     "eslint-plugin-header": "3.1.1",
-    "eslint-plugin-import": "2.23.4",
+    "eslint-plugin-node": "11.1.0",
     "gh-pages": "3.2.0",
-    "gts": "3.1.0",
     "istanbul-instrumenter-loader": "3.0.1",
     "karma": "5.2.3",
     "karma-chrome-launcher": "3.1.0",

api/src/api/diag.ts

@@ -52,16 +52,11 @@ export class DiagAPI implements DiagLogger {
    */
   private constructor() {
     function _logProxy(funcName: keyof DiagLogger): DiagLogFunction {
-      return function () {
+      return function (...args) {
         const logger = getGlobal('diag');
         // shortcut if logger not set
         if (!logger) return;
-        return logger[funcName].apply(
-          logger,
-          // work around Function.prototype.apply types
-          // eslint-disable-next-line @typescript-eslint/no-explicit-any
-          arguments as any
-        );
+        return logger[funcName](...args);
       };
     }
 

api/src/diag/ComponentLogger.ts

@@ -15,7 +15,7 @@
  */
 
 import { getGlobal } from '../internal/global-utils';
-import { ComponentLoggerOptions, DiagLogger } from './types';
+import { ComponentLoggerOptions, DiagLogger, DiagLogFunction } from './types';
 
 /**
  * Component Logger which is meant to be used as part of any component which
@@ -66,5 +66,5 @@ function logProxy(
   }
 
   args.unshift(namespace);
-  return logger[funcName].apply(logger, args);
+  return logger[funcName](...(args as Parameters<DiagLogFunction>));
 }

api/src/diag/consoleLogger.ts

@@ -16,7 +16,8 @@
 
 import { DiagLogger, DiagLogFunction } from './types';
 
-const consoleMap: { n: keyof DiagLogger; c: keyof Console }[] = [
+type ConsoleMapKeys = 'error' | 'warn' | 'info' | 'debug' | 'trace';
+const consoleMap: { n: keyof DiagLogger; c: ConsoleMapKeys }[] = [
   { n: 'error', c: 'error' },
   { n: 'warn', c: 'warn' },
   { n: 'info', c: 'info' },
@@ -31,20 +32,21 @@ const consoleMap: { n: keyof DiagLogger; c: keyof Console }[] = [
  */
 export class DiagConsoleLogger implements DiagLogger {
   constructor() {
-    function _consoleFunc(funcName: keyof Console): DiagLogFunction {
-      return function () {
-        const orgArguments = arguments;
+    function _consoleFunc(funcName: ConsoleMapKeys): DiagLogFunction {
+      return function (...args) {
         if (console) {
           // Some environments only expose the console when the F12 developer console is open
+          // eslint-disable-next-line no-console
           let theFunc = console[funcName];
           if (typeof theFunc !== 'function') {
             // Not all environments support all functions
+            // eslint-disable-next-line no-console
             theFunc = console.log;
           }
 
           // One last final check
           if (typeof theFunc === 'function') {
-            return theFunc.apply(console, orgArguments);
+            return theFunc.apply(console, args);
           }
         }
       };

api/test/diag/consoleLogger.test.ts

@@ -14,6 +14,8 @@
  * limitations under the License.
  */
 
+/* eslint-disable no-console */
+
 import * as assert from 'assert';
 import { DiagConsoleLogger } from '../../src/diag/consoleLogger';