build: avoido to transpile ky

package.json

@@ -70,16 +70,15 @@
     "c8": "latest",
     "ci-publish": "latest",
     "conventional-github-releaser": "latest",
-    "esm": "latest",
     "execa": "latest",
     "git-authors-cli": "latest",
     "ky": "latest",
     "nano-staged": "latest",
     "npm-check-updates": "latest",
     "prettier-standard": "latest",
     "rollup": "latest",
+    "rollup-plugin-cjs-es": "latest",
     "rollup-plugin-filesize": "latest",
-    "rollup-plugin-magic-string": "latest",
     "rollup-plugin-rewrite": "latest",
     "rollup-plugin-visualizer": "latest",
     "simple-git-hooks": "latest",
@@ -101,14 +100,13 @@
   ],
   "scripts": {
     "build": "rollup -c rollup.config.js --bundleConfigAsCjs",
-    "build:kys": "[ -f src/ky.js ] || rollup node_modules/ky/distribution/index.js --format=umd --name=ky --exports=named --file=src/ky.js",
     "clean": "rm -rf node_modules",
     "clean:build": "rm -rf dist lightweight/index.js",
     "contributors": "(npx git-authors-cli && npx finepack --sort-ignore-object-at ava && git add package.json && git commit -m 'build: contributors' --no-verify) || true",
     "dev": "npm run build -- -w",
     "lint": "standard && tsd",
     "postrelease": "npm run release:tags && npm run release:github && (ci-publish || npm publish --access=public)",
-    "prebuild": "npm run clean:build && npm run build:kys",
+    "prebuild": "npm run clean:build",
     "prerelease": "npm run update:check",
     "pretest": "npm run lint && npm run build",
     "release": "standard-version -a",

rollup.config.js

@@ -5,13 +5,12 @@ import filesize from 'rollup-plugin-filesize'
 import replace from '@rollup/plugin-replace'
 import rewrite from 'rollup-plugin-rewrite'
 import terser from '@rollup/plugin-terser'
-import MagicString from 'magic-string'
+import cjs from 'rollup-plugin-cjs-es'
 
 const rewriteFlattie = () =>
   rewrite({
     find: /.* from 'flattie'/gm,
-    replace: match =>
-      new MagicString(match[0]).replace('import', 'import * as').toString()
+    replace: match => match[0].replace('import', 'import * as')
   })
 
 const build = ({ input, output, plugins = [], compress }) => {
@@ -46,6 +45,7 @@ const builds = [
     input: 'src/lightweight.js',
     output: { file: 'lightweight/index.js', format: 'es' },
     plugins: [
+      cjs({ nested: true }),
       rewriteFlattie(),
       nodeResolve({
         mainFields: ['browser', 'module', 'main']

src/lightweight.js

@@ -1,10 +1,9 @@
 'use strict'
 
 const urlHttp = require('url-http/lightweight')
-const { flattie: flatten } = require('flattie')
 
 const factory = require('./factory')
-const { default: ky } = require('./ky')
+const { default: ky } = require('ky')
 
 class MicrolinkError extends Error {
   constructor (props) {
@@ -50,7 +49,7 @@ const mql = factory({
   MicrolinkError,
   urlHttp,
   got,
-  flatten,
+  flatten: require('flattie').flattie,
   VERSION: '__MQL_VERSION__'
 })