chore: change project structure

Author: exuanbo

.gitignore

@@ -1 +1,2 @@
+dist/
 node_modules/

index.es.js

@@ -2,8 +2,8 @@
   "name": "gulp-inline-source-html",
   "version": "1.0.2",
   "description": "Inlines flagged js, css, and img sources in html with inline-source",
-  "main": "index.js",
-  "module": "index.es.js",
+  "main": "dist/index.js",
+  "module": "dist/index.es.js",
   "directories": {
     "test": "test"
   },

index.js

@@ -2,11 +2,18 @@ const commonjs = require('@rollup/plugin-commonjs')
 const pkg = require('./package.json')
 
 export default {
-  input: 'index.js',
+  input: 'src/index.js',
   plugins: [commonjs()],
   external: Object.keys(pkg.dependencies),
-  output: {
-    file: pkg.module,
-    format: 'es'
-  }
+  output: [
+    {
+      file: pkg.main,
+      format: 'cjs',
+      exports: 'auto'
+    },
+    {
+      file: pkg.module,
+      format: 'es'
+    }
+  ]
 }

package.json

@@ -0,0 +1,40 @@
+'use strict'
+
+const { inlineSource } = require('inline-source')
+const through = require('through2')
+const PluginError = require('plugin-error')
+
+const PLUGIN_NAME = 'gulp-inline-source-html'
+
+/**
+ * inline-source wrapper
+ * @param {Object} [options] - https://github.com/popeindustries/inline-source#usage
+ */
+const gulpInlineSourceHtml = (pluginOptions = {}) => {
+  return through.obj((file, _, callback) => {
+    if (file.isNull()) {
+      return callback(null, file)
+    }
+
+    if (file.isStream()) {
+      return callback(new PluginError(PLUGIN_NAME, 'Streaming not supported'))
+    }
+
+    const defaultOptions = { rootpath: file.base }
+    const options = { ...defaultOptions, ...pluginOptions }
+    ;(async () => {
+      try {
+        const newFileContents = await inlineSource(
+          String(file.contents),
+          options
+        )
+        file.contents = Buffer.from(newFileContents)
+        callback(null, file)
+      } catch (err) {
+        callback(new PluginError(PLUGIN_NAME, err))
+      }
+    })()
+  })
+}
+
+module.exports = gulpInlineSourceHtml