build: complete build system

.eslintignore

@@ -1,3 +1,3 @@
 *.test.ts
 integration
-dist
+dist/**

.gitignore

@@ -124,7 +124,7 @@ typings/
 .nuxt
 
 # rollup.config.js default build output
-dist/
+node_modules/dist/
 
 # Uncomment the public line if your project uses Gatsby
 # https://nextjs.org/blog/next-9-1#public-directory-support
@@ -179,5 +179,5 @@ $RECYCLE.BIN/
 
 # End of https://www.gitignore.io/api/node,windows,linux,macos
 
-dist
 .idea
+dist

MIGRATION.md

@@ -92,7 +92,7 @@ const received = splitMap({
   cases: {
     firstName: (string) => string.split(' ')[0], // string | undefined
     lastName: (string) => string.split(' ')[1], // string | undefined
-});
+  });
 ```
 
 - First argument should be `source`
@@ -340,10 +340,10 @@ const source = spread({
 ```
 
 1. If you have two arguments:
-   - First argument should be `source` in object
-   - Second argument should be `targets`
+  - First argument should be `source` in object
+  - Second argument should be `targets`
 1. If only one argument:
-   - Wrap it to object and assign to `targets`
+  - Wrap it to object and assign to `targets`
 
 https://github.com/sergeysova/patronum/pull/61
 

package.json

@@ -11,7 +11,7 @@
     "cleanup": "rm -rf dist && mkdir dist",
     "build:indexes": "node scripts/build.js",
     "build:types": "tsc --project ./tsconfig.build.json",
-    "build:commonjs": "yarn babel --out-dir ./dist src -x .ts --ignore '**/*.test.ts','**/*.d.ts'",
+    "build:commonjs": "yarn babel --verbose --out-dir dist src -x .ts --ignore '**/*.test.ts','**/*.d.ts'",
     "build:mjs": "ESMODULES=true yarn build:commonjs --out-file-extension .mjs",
     "build:bundles": "rollup -c",
     "build": "run-s cleanup build:indexes build:types build:commonjs build:mjs build:bundles",

rollup.config.js

@@ -5,7 +5,7 @@ const commonjs = require('@rollup/plugin-commonjs');
 const plugins = [
   nodeResolve({ jsnext: true, skip: ['effector'], extensions: ['.js', '.mjs'] }),
   commonjs({ extensions: ['.js', '.mjs'] }),
-  // terser({}),
+  terser({}),
 ];
 
 const input = 'dist/index.js';

scripts/build.js

@@ -8,6 +8,7 @@ const {
   createDistribution,
   writeFile,
   createMjsIndex,
+  createExportsMap,
 } = require('./libraries');
 const packageJson = require('./source.package.js');
 
@@ -20,14 +21,22 @@ async function main() {
 
   const directory = await createDistribution('./dist');
   await directory.copyList('./src', staticFiles);
-
-  pkg.files.push(...staticFiles);
+  await directory.copyList('./', ['README.md', 'MIGRATION.md', 'LICENSE']);
 
   const found = await globby(`./src/*/${packageMarker}`);
   const names = found.map((name) =>
     name.replace(`/${packageMarker}`, '').replace('./src/', ''),
   );
 
+  pkg.exports = {
+    '.': {
+      require: './index.js',
+      import: './index.mjs',
+      default: './index.mjs',
+    },
+    ...createExportsMap(names),
+  };
+
   await directory.write('index.js', createCommonJsIndex(names));
   await directory.write('index.mjs', createMjsIndex(names));
   await directory.write('index.d.ts', createTypingsIndex(names));

scripts/libraries.js

@@ -41,6 +41,17 @@ function createFactoriesJson(library, names) {
   return { factories, mapping };
 }
 
+function createExportsMap(names) {
+  const object = {};
+  names.forEach((name) => {
+    object[`./${name}`] = {
+      require: `./${name}/index.js`,
+      import: `./${name}/index.mjs`,
+    };
+  });
+  return object;
+}
+
 async function createDistribution(dir) {
   return {
     write: (path, content) => writeFile(`${dir}/${path}`, content),
@@ -56,6 +67,7 @@ module.exports = {
   createCommonJsIndex,
   createMjsIndex,
   createTypingsIndex,
+  createExportsMap,
   createFactoriesJson,
   createDistribution,
 };

scripts/source.package.js

@@ -2,10 +2,11 @@ module.exports = () => ({
   name: 'patronum',
   version: '1.2.0-next.2',
   description: '☄️ Effector utility library delivering modularity and convenience',
-  main: 'dist/patronum.cjs.js',
+  type: 'module',
+  main: 'patronum.cjs.js',
   types: 'index.d.ts',
-  browser: 'dist/patronum.umd.js',
-  files: ['*/*.d.ts', '*/*.js', '*/*.mjs', 'dist'],
+  module: 'patronum.mjs',
+  browser: 'patronum.umd.js',
   repository: {
     type: 'git',
     url: 'git+https://github.com/effector/patronum.git',

tsconfig.build.json

@@ -2,10 +2,10 @@
   "extends": "./tsconfig.json",
   "compilerOptions": {
     "emitDeclarationOnly": true,
-    "declarationDir": "./dist",
+    "declarationDir": "./node_modules/dist",
     "declaration": true,
     "rootDir": "./src",
-    "outDir": "./dist",
+    "outDir": "./node_modules/dist",
     "allowJs": false
   },
   "exclude": [