Use the exports object in package.json for node 14 (#8)

This should help us support esm in node and anyone else who follows along.

Bonus cleanup the rollup file and sort some ignore files.

Author: reconbot

.npmignore

@@ -1,17 +1,16 @@
+.github
 .gitignore
 .travis.yml
 .vscode
+api-extractor.json
+benchmark
+budle-types.js
+dist-ts
 lib
 package-lock.json
+package-tests
+rollup.config.js
+SECURITY.md
 tsconfig-build.json
 tsconfig.json
 tslint.json
-benchmark
-dist-ts
-rollup.config-esm.js
-rollup.config-umd.js
-budle-types.js
-dist/tsdoc-metadata.json
-SECURITY.md
-api-extractor.json
-.github

package.json

@@ -2,8 +2,12 @@
   "name": "streaming-iterables",
   "version": "5.0.1",
   "description": "A collection of utilities for async iterables. Designed to replace your streams.",
-  "main": "dist/index.js",
-  "module": "dist/index-esm.js",
+  "main": "./dist/index.js",
+  "module": "./dist/index.mjs",
+  "exports": {
+    "require": "./dist/index.js",
+    "import": "./dist/index.mjs"
+  },
   "types": "dist/index.d.ts",
   "repository": "[email protected]:reconbot/streaming-iterables.git",
   "homepage": "https://github.com/reconbot/streaming-iterables",
@@ -13,7 +17,7 @@
     "unit-test": "mocha",
     "lint": "tsc && tslint lib/*.ts",
     "format": "tslint lib/*.ts --fix",
-    "build": "tsc -p tsconfig-build.json && rollup -c rollup.config-esm.js && rollup -c rollup.config-umd.js && api-extractor run --local --verbose",
+    "build": "tsc -p tsconfig-build.json && rollup -c && api-extractor run --local --verbose",
     "prepare": "npm run build"
   },
   "keywords": [

rollup.config-esm.js

@@ -0,0 +1,19 @@
+import resolve from 'rollup-plugin-node-resolve'
+
+export default {
+  input: './dist-ts/index.js',
+  plugins: [
+    resolve({})
+  ],
+  output: [
+    {
+      format: 'esm',
+      file: './dist/index.mjs'
+    },
+    {
+      format: 'umd',
+      name: 'streamingIterables',
+      file: './dist/index.js'
+    },
+  ]
+}