modernize sw to target the same ES and TS standards as the rest of the app

packages/sw/build.js

@@ -37,7 +37,7 @@ const buildOptions = {
 	outbase: `${__dirname}/src`,
 	outdir: `${__dirname}/../../built/_sw_dist_`,
 	treeShaking: true,
-	tsconfig: `${__dirname}/tsconfig.json`,
+	tsconfig: `${__dirname}/tsconfig.sw.json`,
 };
 
 (async () => {

packages/sw/eslint.config.js

@@ -5,7 +5,7 @@ import sharedConfig from '../shared/eslint.config.js';
 export default [
 	...sharedConfig,
 	{
-		ignores: ['build.js'],
+		ignores: ['*.js'],
 		languageOptions: {
 			globals: {
 				...Object.fromEntries(Object.entries(globals.node).map(([key]) => [key, 'off'])),
@@ -17,14 +17,20 @@ export default [
 				_ENV_: false,
 				_PERF_PREFIX_: false,
 			},
+			parserOptions: {
+				parser: tsParser,
+				project: ['./jsconfig.scripts.json'],
+				sourceType: 'module',
+				tsconfigRootDir: import.meta.dirname,
+			},
 		},
 	},
 	{
-		files: ['**/*.ts', '**/*.tsx'],
+		files: ['src/**/*.ts', 'src/**/*.tsx'],
 		languageOptions: {
 			parserOptions: {
 				parser: tsParser,
-				project: ['./tsconfig.json'],
+				project: ['./tsconfig.sw.json'],
 				sourceType: 'module',
 				tsconfigRootDir: import.meta.dirname,
 			},

packages/sw/jsconfig.scripts.json

@@ -0,0 +1,16 @@
+{
+	"$schema": "https://json.schemastore.org/tsconfig",
+	"extends": "../shared/jsconfig.node.json",
+	"compilerOptions": {
+		"typeRoots": [
+			"./node_modules/@types",
+			"./src/@types"
+		]
+	},
+	"include": [
+		"*.js"
+	],
+	"exclude": [
+		"node_modules"
+	]
+}

packages/sw/package.json

@@ -4,18 +4,22 @@
 	"scripts": {
 		"watch": "nodemon -w ../../package.json -e json --exec \"node build.js watch\"",
 		"build": "node build.js",
-		"typecheck": "tsc --noEmit",
-		"eslint": "eslint --quiet \"{src,test,js,@types}/**/*.{js,jsx,ts,tsx,vue}\" --cache",
+		"typecheck-all": "pnpm run --no-bail typecheck:sw && pnpm run --no-bail typecheck:scripts",
+		"typecheck": "pnpm run typecheck:sw && pnpm run typecheck:scripts",
+		"typecheck:sw": "tsc -p tsconfig.sw.json --noEmit",
+		"typecheck:scripts": "tsc -p jsconfig.scripts.json --noEmit",
+		"eslint": "eslint --quiet --cache -c eslint.config.js",
 		"lint": "pnpm typecheck && pnpm eslint"
 	},
 	"dependencies": {
-		"esbuild": "0.25.10",
 		"idb-keyval": "6.2.2",
 		"misskey-js": "workspace:*"
 	},
 	"devDependencies": {
+		"@types/node": "22.18.1",
 		"@typescript-eslint/parser": "8.44.1",
 		"@typescript/lib-webworker": "npm:@types/serviceworker@0.0.153",
+		"esbuild": "0.25.10",
 		"eslint-plugin-import": "2.32.0",
 		"nodemon": "3.1.10",
 		"typescript": "5.9.2"

packages/sw/tsconfig.json

@@ -1,45 +1,9 @@
 {
-	"compilerOptions": {
-		"allowJs": true,
-		"noEmitOnError": false,
-		"noImplicitAny": false,
-		"noImplicitReturns": true,
-		"noUnusedParameters": false,
-		"noUnusedLocals": true,
-		"noFallthroughCasesInSwitch": true,
-		"declaration": false,
-		"sourceMap": false,
-		"target": "ES2022",
-		"module": "nodenext",
-		"moduleResolution": "nodenext",
-		"removeComments": false,
-		"noLib": false,
-		"strict": true,
-		"strictNullChecks": true,
-		"experimentalDecorators": true,
-		"resolveJsonModule": true,
-		"isolatedModules": true,
-		"skipLibCheck": true,
-		"incremental": true,
-		"baseUrl": ".",
-		"paths": {
-			"@/*": ["./src/*"],
-			"@@/*": ["../frontend-shared/*"]
-		},
-		"typeRoots": [
-			"./node_modules/@types",
-			"./src/@types"
-		],
-		"lib": [
-			"esnext",
-			"webworker"
-		]
-	},
-	"compileOnSave": false,
-	"include": [
-		"./**/*.ts"
-	],
-	"exclude": [
-		"node_modules"
+	"$schema": "https://json.schemastore.org/tsconfig",
+	"files": [],
+	// WebStorm only reads one tsconfig per directory, so this tricks it into loading both.
+	"references": [
+		{ "path":  "./tsconfig.sw.json" },
+		{ "path":  "./jsconfig.scripts.json" }
 	]
 }

packages/sw/tsconfig.sw.json

@@ -0,0 +1,27 @@
+{
+	"$schema": "https://json.schemastore.org/tsconfig",
+	"extends": "../shared/tsconfig.webworker.json",
+	"compilerOptions": {
+		"declaration": true,
+		"declarationMap": true,
+		"sourceMap": true,
+		"inlineSources": true,
+		"removeComments": false,
+		"baseUrl": ".",
+		"outDir": "../../built/_sw_dist_",
+		"paths": {
+			"@/*": ["./src/*"],
+			"@@/*": ["../frontend-shared/*"]
+		},
+		"typeRoots": [
+			"./node_modules/@types",
+			"./src/@types"
+		]
+	},
+	"include": [
+		"src/**/*.ts"
+	],
+	"exclude": [
+		"node_modules"
+	]
+}