diff --git a/package.json b/package.json
index b7e917d..cd7231b 100644
--- a/package.json
+++ b/package.json
@@ -27,6 +27,7 @@
     "zod": "^3.21.4"
   },
   "devDependencies": {
+    "@total-typescript/tsconfig": "^1.0.4",
     "@types/d3-force": "^3.0.3",
     "@types/dedent": "^0.7.0",
     "@types/marked": "^4.0.3",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 51499a2..7feb078 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -52,6 +52,9 @@ dependencies:
     version: 3.23.8
 
 devDependencies:
+  '@total-typescript/tsconfig':
+    specifier: ^1.0.4
+    version: 1.0.4
   '@types/d3-force':
     specifier: ^3.0.3
     version: 3.0.10
@@ -267,6 +270,10 @@ packages:
       tslib: 2.7.0
     dev: false
 
+  /@total-typescript/tsconfig@1.0.4:
+    resolution: {integrity: sha512-fO4ctMPGz1kOFOQ4RCPBRBfMy3gDn+pegUfrGyUFRMv/Rd0ZM3/SHH3hFCYG4u6bPLG8OlmOGcBLDexvyr3A5w==}
+    dev: true
+
   /@types/d3-color@1.4.5:
     resolution: {integrity: sha512-5sNP3DmtSnSozxcjqmzQKsDOuVJXZkceo1KJScDc1982kk/TS9mTPc6lpli1gTu1MIBF1YWutpHpjucNWcIj5g==}
     dev: false
diff --git a/src/components/IssueCard.tsx b/src/components/IssueCard.tsx
index 5e7a80c..471d88a 100644
--- a/src/components/IssueCard.tsx
+++ b/src/components/IssueCard.tsx
@@ -2,7 +2,7 @@ import styles from "./IssueCard.module.css";
 
 import { marked } from "marked";
 import React, { useContext } from "react";
-import { IssueDetail } from "../core/_types";
+import type { IssueDetail } from "../core/_types";
 import RelationshipGraph from "./RelationshipGraph";
 import CoreContext from "../core/CoreContext";
 import ProjectName from "./ProjectName";
diff --git a/src/components/Layer.tsx b/src/components/Layer.tsx
index 64d0b45..28fc910 100644
--- a/src/components/Layer.tsx
+++ b/src/components/Layer.tsx
@@ -1,4 +1,4 @@
-import { ReactNode, useEffect, useState } from "react";
+import { type ReactNode, useEffect, useState } from "react";
 import { createPortal } from "react-dom";
 
 type Props = {
diff --git a/src/components/Layout.tsx b/src/components/Layout.tsx
index 2d808ba..e3fd580 100644
--- a/src/components/Layout.tsx
+++ b/src/components/Layout.tsx
@@ -1,7 +1,7 @@
 import styles from "./Layout.module.css";
 
 import Link from "next/link";
-import { ReactNode, useContext } from "react";
+import { type ReactNode, useContext } from "react";
 import CoreContext from "../core/CoreContext";
 
 type Props = {
diff --git a/src/components/NetworkGraph.tsx b/src/components/NetworkGraph.tsx
index 7d0db15..d4db571 100644
--- a/src/components/NetworkGraph.tsx
+++ b/src/components/NetworkGraph.tsx
@@ -1,13 +1,13 @@
 import { Graph } from "@visx/network";
 import {
-  SimulationLinkDatum,
-  SimulationNodeDatum,
+  type SimulationLinkDatum,
+  type SimulationNodeDatum,
   forceCenter,
   forceLink,
   forceManyBody,
   forceSimulation,
 } from "d3-force";
-import { Graph as G, toD3 } from "graph-fns";
+import { type Graph as G, toD3 } from "graph-fns";
 
 type Props = {
   width: number;
diff --git a/src/components/RelationshipGraph.tsx b/src/components/RelationshipGraph.tsx
index 0ec480f..63d1ea1 100644
--- a/src/components/RelationshipGraph.tsx
+++ b/src/components/RelationshipGraph.tsx
@@ -1,7 +1,7 @@
 import { ParentSize } from "@visx/responsive";
 import { addEdge, create, isCyclic } from "graph-fns";
 import { useEffect, useState } from "react";
-import { RelationSummary, State } from "../core/_types";
+import type { RelationSummary, State } from "../core/_types";
 import Layer from "./Layer";
 import NetworkGraph from "./NetworkGraph";
 import styles from "./RelationshipGraph.module.css";
diff --git a/src/core/Core.tsx b/src/core/Core.tsx
index 558d295..b98c535 100644
--- a/src/core/Core.tsx
+++ b/src/core/Core.tsx
@@ -1,8 +1,8 @@
 import { scaleLinear } from "@visx/scale";
-import { ReactNode, useCallback, useEffect, useState } from "react";
+import { type ReactNode, useCallback, useEffect, useState } from "react";
 import weightedRandomPick from "../utils/weightedRandomPick";
 import CoreContext from "./CoreContext";
-import {
+import type {
   Comparison,
   ComparisonProperty,
   IssueDetail,
@@ -49,10 +49,7 @@ const Core = ({
   useEffect(() => {
     setState(incrementPendingRequest);
 
-    Promise.all([
-      getIssueSummaries(),
-      getComparisons("effort"),
-    ])
+    Promise.all([getIssueSummaries(), getComparisons("effort")])
       .then(([issueSummaries, effortComparisons]) => {
         const stats: Record<ComparisonProperty, ReturnType<typeof getStats>> = {
           effort: getStats(issueSummaries, effortComparisons),
diff --git a/src/core/CoreContext.ts b/src/core/CoreContext.ts
index 82a0a46..412123e 100644
--- a/src/core/CoreContext.ts
+++ b/src/core/CoreContext.ts
@@ -1,5 +1,5 @@
 import { createContext } from "react";
-import { Comparison, ComparisonProperty, State } from "./_types";
+import type { Comparison, ComparisonProperty, State } from "./_types";
 import defaultState from "./defaultState";
 
 const CoreContext = createContext<{
diff --git a/src/core/IssueComparison.tsx b/src/core/IssueComparison.tsx
index c6d1c2f..039bdad 100644
--- a/src/core/IssueComparison.tsx
+++ b/src/core/IssueComparison.tsx
@@ -1,10 +1,10 @@
 import styles from "./IssueComparison.module.css";
 
 import { useRouter } from "next/router";
-import { ReactNode, useContext, useState } from "react";
+import { type ReactNode, useContext, useState } from "react";
 import IssueCard from "../components/IssueCard";
 import CoreContext from "./CoreContext";
-import { Comparison } from "./_types";
+import type { Comparison } from "./_types";
 
 type Props = {
   firstButtonLabel: string;
diff --git a/src/core/defaultState.ts b/src/core/defaultState.ts
index 9314bcc..ef57369 100644
--- a/src/core/defaultState.ts
+++ b/src/core/defaultState.ts
@@ -1,5 +1,5 @@
 import { scaleLinear } from "@visx/scale";
-import { State } from "./_types";
+import type { State } from "./_types";
 
 const defaultState: State = {
   comparisons: { effort: [] },
diff --git a/src/core/getComparisons.ts b/src/core/getComparisons.ts
index e285f0e..ed2ff36 100644
--- a/src/core/getComparisons.ts
+++ b/src/core/getComparisons.ts
@@ -1,6 +1,6 @@
 import { formatISO, fromUnixTime } from "date-fns";
 import { z } from "zod";
-import { Comparison } from "./_types";
+import type { Comparison } from "./_types";
 
 const KV_REST_API_TOKEN = process.env.KV_REST_API_TOKEN;
 const KV_REST_API_URL = process.env.KV_REST_API_URL;
diff --git a/src/core/getStats.ts b/src/core/getStats.ts
index 1a3a93f..fe9adc5 100644
--- a/src/core/getStats.ts
+++ b/src/core/getStats.ts
@@ -1,5 +1,5 @@
 import { calculateStats } from "../utils/elo";
-import { Comparison, IssueSummary } from "./_types";
+import type { Comparison, IssueSummary } from "./_types";
 
 const getStats = (
   issues: Array<IssueSummary>,
diff --git a/src/core/postComparisons.ts b/src/core/postComparisons.ts
index ef27a3c..8858ba6 100644
--- a/src/core/postComparisons.ts
+++ b/src/core/postComparisons.ts
@@ -1,9 +1,9 @@
 import { formatISO, fromUnixTime } from "date-fns";
 import gql from "dedent";
-import { NextApiRequest } from "next";
+import type { NextApiRequest } from "next";
 import { z } from "zod";
 import { postBodySchema, postLinearResponseSchema } from "../linear/_schema";
-import { Comparison } from "./_types";
+import type { Comparison } from "./_types";
 
 const KV_REST_API_TOKEN = process.env.KV_REST_API_TOKEN;
 const KV_REST_API_URL = process.env.KV_REST_API_URL;
diff --git a/src/linear/LinearApp.tsx b/src/linear/LinearApp.tsx
index 9f61a59..4baf051 100644
--- a/src/linear/LinearApp.tsx
+++ b/src/linear/LinearApp.tsx
@@ -1,7 +1,7 @@
 import gql from "dedent";
-import { ReactNode, useCallback } from "react";
+import { type ReactNode, useCallback } from "react";
 import Core from "../core/Core";
-import {
+import type {
   Comparison,
   IssueDetail,
   IssueSummary,
diff --git a/src/pages/_app.page.tsx b/src/pages/_app.page.tsx
index 47fd4cd..7bacc85 100644
--- a/src/pages/_app.page.tsx
+++ b/src/pages/_app.page.tsx
@@ -1,6 +1,6 @@
 import "./app.css";
 
-import { AppProps } from "next/app";
+import type { AppProps } from "next/app";
 import LinearApp from "../linear/LinearApp";
 
 const App = ({ Component, pageProps }: AppProps) => (
diff --git a/tsconfig.json b/tsconfig.json
index dbaf8de..aeed536 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,20 +1,16 @@
 {
+  "extends": "@total-typescript/tsconfig/bundler/dom",
   "compilerOptions": {
-    "target": "es2015",
-    "lib": ["dom", "dom.iterable", "esnext"],
-    "allowJs": true,
-    "skipLibCheck": true,
-    "strict": true,
-    "forceConsistentCasingInFileNames": true,
-    "noEmit": true,
-    "esModuleInterop": true,
-    "module": "esnext",
-    "moduleResolution": "node",
-    "resolveJsonModule": true,
-    "isolatedModules": true,
+    "incremental": true,
     "jsx": "preserve",
-    "incremental": true
+    "noEmit": true,
+    "noUncheckedIndexedAccess": false,
+    "paths": {
+      "@/*": ["./src/*"]
+    },
+    "plugins": [{ "name": "next" }],
+    "strictNullChecks": true
   },
-  "include": ["next-env.d.ts", "**/*.ts", "**/*.tsx", "core/SettingsForm.tsx.bak"],
-  "exclude": ["node_modules"]
+  "exclude": ["node_modules"],
+  "include": ["next-env.d.ts", ".next/types/**/*.ts", "src"]
 }