Separate linting and compiling src+test, scripts and hak

Inspired by the failure of https://github.com/vector-im/element-desktop/pull/529
to lint our code with the @typescript-eslint/no-base-to-string rule
turned on, I found we needed to add a parserOptions.project to our
.eslintrc.js, pointing to the tsconfig.json.

This led to more fixes, because we have 3 tsconfig.json files for
src+test, scripts and hak and the single eslintrc was complaining that
it could see more files than the tsconfig file knew about.

So, I think the right split is to have one eslintrc file and one
tsconfig for each of the three projects.

.eslintrc-hak.js

@@ -0,0 +1,37 @@
+module.exports = {
+    plugins: ["matrix-org"],
+    extends: ["plugin:matrix-org/javascript"],
+    parserOptions: {
+        ecmaVersion: 2021,
+        project: ["hak/tsconfig.json"],
+    },
+    env: {
+        es6: true,
+        node: true,
+        // we also have some browser code (ie. the preload script)
+        browser: true,
+    },
+    // NOTE: These rules are frozen and new rules should not be added here.
+    // New changes belong in https://github.com/matrix-org/eslint-plugin-matrix-org/
+    rules: {
+        "quotes": "off",
+        "indent": "off",
+        "prefer-promise-reject-errors": "off",
+        "no-async-promise-executor": "off",
+    },
+    overrides: [
+        {
+            files: ["hak/**/*.ts"],
+            extends: ["plugin:matrix-org/typescript"],
+            rules: {
+                // Things we do that break the ideal style
+                "prefer-promise-reject-errors": "off",
+                "quotes": "off",
+
+                "@typescript-eslint/no-explicit-any": "off",
+                // We're okay with assertion errors when we ask for them
+                "@typescript-eslint/no-non-null-assertion": "off",
+            },
+        },
+    ],
+};

.eslintrc-scripts.js

@@ -0,0 +1,37 @@
+module.exports = {
+    plugins: ["matrix-org"],
+    extends: ["plugin:matrix-org/javascript"],
+    parserOptions: {
+        ecmaVersion: 2021,
+        project: ["scripts/tsconfig.json"],
+    },
+    env: {
+        es6: true,
+        node: true,
+        // we also have some browser code (ie. the preload script)
+        browser: true,
+    },
+    // NOTE: These rules are frozen and new rules should not be added here.
+    // New changes belong in https://github.com/matrix-org/eslint-plugin-matrix-org/
+    rules: {
+        "quotes": "off",
+        "indent": "off",
+        "prefer-promise-reject-errors": "off",
+        "no-async-promise-executor": "off",
+    },
+    overrides: [
+        {
+            files: ["scripts/**/*.ts"],
+            extends: ["plugin:matrix-org/typescript"],
+            rules: {
+                // Things we do that break the ideal style
+                "prefer-promise-reject-errors": "off",
+                "quotes": "off",
+
+                "@typescript-eslint/no-explicit-any": "off",
+                // We're okay with assertion errors when we ask for them
+                "@typescript-eslint/no-non-null-assertion": "off",
+            },
+        },
+    ],
+};

.eslintrc.js

@@ -3,6 +3,7 @@ module.exports = {
     extends: ["plugin:matrix-org/javascript"],
     parserOptions: {
         ecmaVersion: 2021,
+        project: ["tsconfig.json"],
     },
     env: {
         es6: true,
@@ -20,7 +21,7 @@ module.exports = {
     },
     overrides: [
         {
-            files: ["{src,scripts,hak}/**/*.{ts,tsx}"],
+            files: ["src/**/*.ts", "test/**/*.ts"],
             extends: ["plugin:matrix-org/typescript"],
             rules: {
                 // Things we do that break the ideal style

package.json

@@ -20,9 +20,18 @@
     "asar-webapp": "asar p webapp webapp.asar",
     "start": "yarn run build:ts && yarn run build:res && electron .",
     "lint": "yarn lint:types && yarn lint:js",
-    "lint:js": "eslint --max-warnings 0 src scripts hak",
-    "lint:js-fix": "eslint --fix src scripts hak",
-    "lint:types": "tsc --noEmit && tsc -p scripts/tsconfig.json --noEmit && tsc -p hak/tsconfig.json --noEmit",
+    "lint:js": "yarn lint:js:src && yarn lint:js:scripts && yarn lint:js:hak",
+    "lint:js:src": "eslint --max-warnings 0 src test",
+    "lint:js:scripts": "eslint --max-warnings 0 --config .eslintrc-scripts.js scripts",
+    "lint:js:hak": "eslint --max-warnings 0 --config .eslintrc-hak.js hak",
+    "lint:js-fix": "yarn lint:js-fix:src && yarn lint:js-fix:scripts && yarn lint:js-fix:hak",
+    "lint:js-fix:src": "eslint --fix --max-warnings 0 src test",
+    "lint:js-fix:scripts": "eslint --fix --max-warnings 0 --config .eslintrc-scripts.js scripts",
+    "lint:js-fix:hak": "eslint --fix --max-warnings 0 --config .eslintrc-hak.js hak",
+    "lint:types": "yarn lint:types:src && yarn lint:types:scripts && yarn lint:types:hak",
+    "lint:types:src": "tsc --noEmit",
+    "lint:types:scripts": "tsc --noEmit -p scripts/tsconfig.json",
+    "lint:types:hak": "tsc --noEmit -p hak/tsconfig.json",
     "build:native": "yarn run hak",
     "build:native:universal": "yarn run hak --target x86_64-apple-darwin fetchandbuild && yarn run hak --target aarch64-apple-darwin fetchandbuild && yarn run hak --target x86_64-apple-darwin --target aarch64-apple-darwin copyandlink",
     "build:32": "yarn run build:ts && yarn run build:res && electron-builder --ia32",

tsconfig.json

@@ -12,5 +12,5 @@
         "types": ["jest", "node"],
         "strict": true
     },
-    "include": ["./src/**/*.ts", "./tests/**/*.ts"]
+    "include": ["./src/**/*.ts", "./test/**/*.ts"]
 }