build: configure JSR publish (#466)

.gitignore

@@ -3,6 +3,7 @@
 node_modules
 build
 coverage
+jsr.json
 
 !.git*
 !.vscode

build.ts

@@ -46,4 +46,19 @@ const objectCjs = await Deno.readTextFile("build/script/Object.js")
 await Deno.writeTextFile(
 	"build/script/Object.js",
 	objectCjs.replace(/^Object\.defineProperty/m, "globalThis.Object.defineProperty"),
-)
+)
+
+// Generate `jsr.json`
+const jsrJson = {
+	name: "@runtypes/runtypes",
+	version: packageBuildJson.version,
+	license: packageBuildJson.license,
+	exports: Object.fromEntries(
+		entryPoints.map(entry => [entry.name === "./index" ? "." : entry.name, "./" + entry.path]),
+	),
+	publish: {
+		include: ["LICENSE", "README.md", "src/**/*.ts"],
+		exclude: ["src/**/*.test.ts"],
+	},
+}
+await Deno.writeTextFile("jsr.json", JSON.stringify(jsrJson, null, "\t"))

justfile

@@ -22,4 +22,4 @@ check *ARGS='src/**/*.ts src/*.test.ts examples/**/*.ts examples/*.ts':
 	deno check {{ARGS}}
 
 pack: build
-	cd lib && pnpm pack
+	cd build && pnpm pack