tsconfig.json

{
    "compilerOptions": {
        "target": "ES2020",
        "module": "ESNext",
        "moduleResolution": "bundler",
        "noEmit": true,
        "allowJs": false,
        "checkJs": false,

        /* Preact Config */
        "jsx": "react-jsx",
        "jsxImportSource": "preact",
        "skipLibCheck": true,
        "paths": {
            "react": ["./node_modules/preact/compat/"],
            "react-dom": ["./node_modules/preact/compat/"]
        },

        /* Type Checking */
        "allowSyntheticDefaultImports": true,
        "strict": true /* Enable all strict type-checking options. */,
        "noImplicitAny": true /* Enable error reporting for expressions and declarations with an implied 'any' type. */,
        "strictNullChecks": true /* When type checking, take into account 'null' and 'undefined'. */,
        "strictFunctionTypes": true /* When assigning functions, check to ensure parameters and the return values are subtype-compatible. */,
        "strictBindCallApply": true /* Check that the arguments for 'bind', 'call', and 'apply' methods match the original function. */,
        "strictPropertyInitialization": true /* Check for class properties that are declared but not set in the constructor. */,
        "strictBuiltinIteratorReturn": true /* Built-in iterators are instantiated with a 'TReturn' type of 'undefined' instead of 'any'. */,
        "noImplicitThis": true /* Enable error reporting when 'this' is given the type 'any'. */,
        "useUnknownInCatchVariables": true /* Default catch clause variables as 'unknown' instead of 'any'. */,
        "alwaysStrict": true /* Ensure 'use strict' is always emitted. */,
        "noUnusedLocals": true /* Enable error reporting when local variables aren't read. */,
        "noUnusedParameters": true /* Raise an error when a function parameter isn't read. */,
        "exactOptionalPropertyTypes": true /* Interpret optional property types as written, rather than adding 'undefined'. */,
        "noImplicitReturns": true /* Enable error reporting for codepaths that do not explicitly return in a function. */,
        "noFallthroughCasesInSwitch": true /* Enable error reporting for fallthrough cases in switch statements. */,
        "noUncheckedIndexedAccess": true /* Add 'undefined' to a type when accessed using an index. */,
        "noImplicitOverride": true /* Ensure overriding members in derived classes are marked with an override modifier. */,
        "noPropertyAccessFromIndexSignature": true /* Enforces using indexed accessors for keys declared using an indexed type. */,
        "allowUnusedLabels": false /* Disable error reporting for unused labels. */,
        "allowUnreachableCode": false /* Disable error reporting for unreachable code. */,
        "skipDefaultLibCheck": true,

        "lib": ["ESNext", "DOM", "WebWorker"]
    },
    "include": ["node_modules/vite/client.d.ts", "**/*"]
}