build: bundling via Vite

.gitignore

@@ -1,2 +1,3 @@
 node_modules
 coverage
+dist

build.script.ts

@@ -0,0 +1,89 @@
+import { resolve } from "path";
+import { build, LibraryOptions, resolveConfig, ResolvedConfig } from "vite";
+
+import { PackageJSON } from "@npm/types";
+import { access, cp, readFile, writeFile } from "fs/promises";
+
+const encoding: "utf-8" = "utf-8";
+const packageJsonKeysToKeep: Set<string | number> = new Set<keyof PackageJSON>([
+  "author",
+  "bugs",
+  "bundleDependencies",
+  "bundledDependencies",
+  "contributors",
+  "dependencies",
+  "description",
+  "files",
+  "funding",
+  "homepage",
+  "keywords",
+  "license",
+  "main",
+  "man",
+  "name",
+  "optionalDependencies",
+  "peerDependencies",
+  "peerDependenciesMeta",
+  "repository",
+  "types",
+  "version",
+]);
+
+(async () => {
+  const configFile: string = resolve(__dirname, "vite.config.ts");
+  await access(configFile);
+
+  await build({
+    configFile,
+  });
+
+  const {
+    build: { outDir, lib },
+  }: ResolvedConfig = await resolveConfig(
+    {
+      configFile,
+    },
+    "build"
+  );
+  if (typeof lib === "boolean") {
+    throw new Error(
+      "Vite config / build / lib is expected to be LibraryOptions"
+    );
+  }
+  const { fileName }: LibraryOptions = lib;
+
+  const licenseFileName: string = "LICENSE.md";
+  const licenseFile: string = resolve(__dirname, licenseFileName);
+  await access(licenseFile);
+  await cp(licenseFile, resolve(__dirname, outDir, licenseFileName));
+
+  const readMeFileName: string = "README.md";
+  const readMeFile: string = resolve(__dirname, readMeFileName);
+  await access(readMeFile);
+  await cp(readMeFile, resolve(__dirname, outDir, readMeFileName));
+
+  const packageJsonFile: string = resolve(__dirname, "package.json");
+  const packageJson: PackageJSON = JSON.parse(
+    await readFile(packageJsonFile, {
+      encoding,
+    })
+  );
+  const modifiedPackageJson: Record<string, unknown> = Object.fromEntries(
+    Object.entries(packageJson).filter(([key]) =>
+      packageJsonKeysToKeep.has(key)
+    )
+  );
+  await writeFile(
+    resolve(__dirname, outDir, "package.json"),
+    JSON.stringify({
+      ...modifiedPackageJson,
+      main: `${fileName}.mjs`,
+      browser: `${fileName}.mjs`,
+      types: `${fileName}.d.ts`,
+      license: "MIT",
+    } satisfies Partial<PackageJSON>),
+    {
+      encoding,
+    }
+  );
+})();

jest.config.ts

@@ -1,10 +1,10 @@
 import { createDefaultPreset, JestConfigWithTsJest } from "ts-jest";
-import { compilerOptions } from "./tsconfig.json";
 
 module.exports = {
-  ...createDefaultPreset(),
+  ...createDefaultPreset({
+    tsconfig: "<rootDir>/tsconfig.test.json",
+  }),
   roots: ["<rootDir>"],
-  modulePaths: [compilerOptions.baseUrl],
   testEnvironment: "jsdom",
   collectCoverage: true,
   coverageThreshold: {

package.json

@@ -2,23 +2,42 @@
   "name": "multiprovider",
   "version": "0.1.0",
   "private": true,
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/ScarletFlash/multiprovider.git"
+  },
+  "bugs": {
+    "url": "https://github.com/ScarletFlash/multiprovider/issues"
+  },
+  "author": {
+    "name": "Fedor Usakov",
+    "email": "[email protected]",
+    "url": "https://scarletflash.github.io/"
+  },
   "scripts": {
+    "build": "ts-node --project tsconfig.root.json ./build.script.ts",
     "test": "jest --config ./jest.config.ts"
   },
-  "dependencies": {
+  "peerDependencies": {
     "react": "^18.0.0"
   },
   "devDependencies": {
+    "@npm/types": "^2.0.0",
+    "@types/node": "^22.0.0",
     "@testing-library/dom": "^10.0.0",
     "@testing-library/jest-dom": "^6.0.0",
     "@testing-library/react": "^16.0.0",
-    "jest-environment-jsdom": "^29.0.0",
     "@types/jest": "^29.0.0",
     "@types/react": "^18.0.0",
     "@types/react-dom": "^18.0.0",
+    "@vitejs/plugin-react": "^4.0.0",
     "jest": "^29.0.0",
+    "jest-environment-jsdom": "^29.0.0",
+    "react": "^18.0.0",
     "ts-jest": "^29.0.0",
     "ts-node": "^10.0.0",
-    "typescript": "^5.0.0"
+    "typescript": "^5.0.0",
+    "vite": "^5.0.0",
+    "vite-plugin-dts": "^4.0.0"
   }
 }