From f172f0b5c7183046ff93e73f99018d96b7ef7bc6 Mon Sep 17 00:00:00 2001
From: Peter Johnson <insomnia@rcpt.at>
Date: Thu, 18 Jul 2024 00:15:12 +0200
Subject: [PATCH] package: build system

---
 .gitignore    |  1 +
 index.ts      |  3 +++
 package.json  |  5 +++++
 s2/_index.ts  |  3 +++
 tsconfig.json | 32 ++++++++++++++++++++++++++++++++
 5 files changed, 44 insertions(+)
 create mode 100644 index.ts
 create mode 100644 s2/_index.ts
 create mode 100644 tsconfig.json

diff --git a/.gitignore b/.gitignore
index d5f19d8..16acd49 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 node_modules
+dist
 package-lock.json
diff --git a/index.ts b/index.ts
new file mode 100644
index 0000000..74da66f
--- /dev/null
+++ b/index.ts
@@ -0,0 +1,3 @@
+import s2 from './s2/_index'
+
+export default { s2 }
diff --git a/package.json b/package.json
index 2411856..f6d9248 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,11 @@
 {
   "name": "s2",
   "version": "1.0.0",
+  "main": "dist/index.js",
+  "typings": "dist/index.d.ts",
+  "module": "dist/s2.esm.js",
   "scripts": {
+    "build": "tsdx build --entry index.ts",
     "test": "node --import tsx --test **/*_test.ts"
   },
   "author": "Peter Johnson",
@@ -9,6 +13,7 @@
   "description": "javascript port of s2 geometry",
   "devDependencies": {
     "@types/node": "^20.14.11",
+    "tsdx": "^0.14.1",
     "tsx": "^4.16.2"
   }
 }
diff --git a/s2/_index.ts b/s2/_index.ts
new file mode 100644
index 0000000..4a1ef76
--- /dev/null
+++ b/s2/_index.ts
@@ -0,0 +1,3 @@
+import * as cellid from './cellid'
+
+export default { cellid }
diff --git a/tsconfig.json b/tsconfig.json
new file mode 100644
index 0000000..95a7567
--- /dev/null
+++ b/tsconfig.json
@@ -0,0 +1,32 @@
+{
+  "exclude": ["**/*_test.ts"],
+  "compilerOptions": {
+    "module": "esnext",
+    "lib": ["dom", "esnext"],
+    "importHelpers": true,
+    // output .d.ts declaration files for consumers
+    "declaration": true,
+    // output .js.map sourcemap files for consumers
+    "sourceMap": true,
+    // match output dir to input dir. e.g. dist/index instead of dist/src/index
+    "rootDir": ".",
+    // stricter type-checking for stronger correctness. Recommended by TS
+    "strict": true,
+    // linter checks for common issues
+    "noImplicitReturns": true,
+    "noFallthroughCasesInSwitch": true,
+    // noUnused* overlap with @typescript-eslint/no-unused-vars, can disable if duplicative
+    "noUnusedLocals": true,
+    "noUnusedParameters": true,
+    // use Node's module resolution algorithm, instead of the legacy TS one
+    "moduleResolution": "node",
+    // interop between ESM and CJS modules. Recommended by TS
+    "esModuleInterop": true,
+    // significant perf increase by skipping checking .d.ts files, particularly those in node_modules. Recommended by TS
+    "skipLibCheck": true,
+    // error out if import and file system have a casing mismatch. Recommended by TS
+    "forceConsistentCasingInFileNames": true,
+    // `tsdx build` ignores this option, but it is commonly used when type-checking separately with `tsc`
+    "noEmit": true
+  }
+}