fix: do not include esnext code in dist files

bili.config.js

@@ -1,9 +1,4 @@
-const fs = require('fs')
 const pkg = require('./package.json')
-const svelte = require('rollup-plugin-svelte')
-const postcss = require('postcss')
-const customProperties = require('postcss-custom-properties')
-const styleVars = require('./style-vars.json')
 
 const banner = `/*!
  * ${pkg.name} v${pkg.version}
@@ -15,32 +10,7 @@ const banner = `/*!
  */`
 
 module.exports = {
+  input: `dist/${pkg.name}.es.modern.js`,
   moduleName: 'CalendarSet',
-  banner,
-  plugin: [
-    svelte({
-      css: handleCss
-    })
-  ]
-}
-
-function handleCss({ code, map }) {
-  postcss({
-    plugins: [
-      customProperties({
-        variables: styleVars,
-        appendVariables: true
-      })
-    ]
-  })
-    .process(code, {
-      from: false,
-      map: {
-        prev: map
-      }
-    })
-    .then(({ css, map }) => {
-      fs.writeFileSync(`dist/${pkg.name}.css`, css)
-      fs.writeFileSync(`dist/${pkg.name}.css.map`, map)
-    })
+  banner
 }

bili.config.pre.js

@@ -0,0 +1,37 @@
+const fs = require('fs')
+const pkg = require('./package.json')
+const svelte = require('rollup-plugin-svelte')
+const postcss = require('postcss')
+const customProperties = require('postcss-custom-properties')
+const styleVars = require('./style-vars.json')
+
+module.exports = {
+  filename: '[name][suffix].modern.js',
+  js: false,
+  plugin: [
+    svelte({
+      css: handleCss
+    })
+  ]
+}
+
+function handleCss({ code, map }) {
+  postcss({
+    plugins: [
+      customProperties({
+        variables: styleVars,
+        appendVariables: true
+      })
+    ]
+  })
+    .process(code, {
+      from: false,
+      map: {
+        prev: map
+      }
+    })
+    .then(({ css, map }) => {
+      fs.writeFileSync(`dist/${pkg.name}.css`, css)
+      fs.writeFileSync(`dist/${pkg.name}.css.map`, map)
+    })
+}

package.json

@@ -24,6 +24,7 @@
   },
   "scripts": {
     "prepublishOnly": "npm run test && npm run build",
+    "prebuild": "bili --format es --config bili.config.pre.js",
     "build": "bili --format cjs,es,umd,umd-min",
     "lint": "eslint --ext html src test",
     "test": "jest",