update microbundle, add optimized UMD and CJS builds

Author: developit

package.json

@@ -3,12 +3,13 @@
   "version": "1.0.1",
   "description": "The Tagged Template syntax for Virtual DOM. Only browser-compatible syntax.",
   "main": "dist/htm.js",
-  "umd:main": "dist/htm.js",
+  "umd:main": "dist/htm.umd.js",
   "module": "dist/htm.mjs",
   "scripts": {
     "build": "npm run -s build:main && npm run -s build:preact && npm run -s build:babel",
-    "build:main": "microbundle src/index.mjs -f es,umd --no-sourcemap --target web",
-    "build:preact": "microbundle src/integrations/preact/index.mjs -o preact/index.js -f es,umd --external preact,htm --no-sourcemap --target web && cp src/integrations/preact/{index.d.ts,package.json} preact/ && npm run -s build:preact:standalone",
+    "build:main": "microbundle src/index.mjs -f es,umd --no-sourcemap --target web && microbundle src/cjs.mjs -f iife --no-sourcemap --target web",
+    "build:preact": "microbundle src/integrations/preact/index.mjs -o preact/index.js -f es,umd --external preact,htm --no-sourcemap --target web && npm run -s copy:preact:static && npm run -s build:preact:standalone",
+    "copy:preact:static": "cp src/integrations/preact/index.d.ts src/integrations/preact/package.json preact/",
     "build:preact:standalone": "microbundle src/integrations/preact/standalone.mjs -o preact/standalone.js -f es,umd --no-sourcemap --target web",
     "build:babel": "cd packages/babel-plugin-htm && npm run build",
     "test": "eslint src/**/*.mjs test && npm run build && jest test",
@@ -53,7 +54,7 @@
     "eslint": "^5.2.0",
     "eslint-config-developit": "^1.1.1",
     "jest": "^23.4.2",
-    "microbundle": "^0.7.0",
+    "microbundle": "^0.8.3",
     "preact": "^8.2.9"
   },
   "dependencies": {}

src/cjs.mjs

@@ -0,0 +1,3 @@
+import htm from './index.mjs';
+if (typeof module != 'undefined') module.exports = htm;
+else self.htm = htm;