Make filepath optional in riotconfig.

.eslintrc

@@ -1,7 +1,7 @@
 extends: eslint-config-riot
 
 parserOptions:
-  ecmaVersion: 2018
+  ecmaVersion: 2021
   sourceType: 'module'
 
 globals:
@@ -9,4 +9,4 @@ globals:
   expect: true
 
 rules:
-  fp/no-class: off
+  fp/no-class: off

Readme.md

@@ -3,7 +3,7 @@
 [![NPM downloads][npm-downloads-image]][npm-url]
 [![MIT License][license-image]][license-url]
 
-A parcel plugin for riot.js
+The Riot.js official parcel transformer.
 
 ## Important
 

index.js

@@ -1,7 +1,10 @@
 const { compile } = require('@riotjs/compiler')
 const  { Transformer } = require('@parcel/plugin')
 const SourceMap = require('@parcel/source-map').default
-const { relative } = require('path')
+const { basename } = require('path')
+
+const CONFIG_FILES = ['.riotrc', '.riotrc.js', 'riot.config.js']
+const PACKAGE_KEY = 'riot'
 
 /**
  * Generate the hmr code depending on the tag generated by the compiler
@@ -23,14 +26,21 @@ function hotReload(path) {
 
 module.exports = new Transformer({
   async loadConfig({config}) {
-    const { contents } = await config.getConfig(
-      ['.riotrc', '.riotrc.js', 'riot.config.js'],
+    const riotConfig = await config.getConfig(
+      CONFIG_FILES,
       {
-        packageKey: 'riot'
+        packageKey: PACKAGE_KEY
       }
     )
+    const shouldInvalidateOnStartup = riotConfig &&
+      riotConfig?.filePath?.endsWith('.js') ||
+      riotConfig?.filePath?.endsWith(CONFIG_FILES[0])
 
-    return contents || {}
+    if (shouldInvalidateOnStartup) {
+      config.invalidateOnStartup()
+    }
+
+    return riotConfig?.contents ?? {}
   },
   async transform({asset, config, options}) {
     const source = await asset.getCode()
@@ -40,15 +50,14 @@ module.exports = new Transformer({
       file: asset.filePath,
       ...config
     })
-
+    
+    // the suffix will be added only for the HMR
+    const suffix = config?.hot ? hotReload(basename(asset.filePath)) : ''
 
     asset.type = 'js'
-    asset.setCode(`${code}${config.hot ? hotReload(relative(options.projectRoot, asset.filePath)) : ''}`)
+    asset.setCode(`${code}${suffix}`)
     asset.setMap(sourceMap.addVLQMap(map))
 
     return [asset]
   }
 })
-
-
-

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@riotjs/parcel-transformer-riot",
-  "version": "7.0.0",
+  "version": "7.0.2",
   "description": "The Riot.js official parcel transformer",
   "main": "index.js",
   "scripts": {
@@ -17,10 +17,10 @@
     "url": "https://github.com/riot/parcel-plugin-riot"
   },
   "peerDependencies": {
-    "@riotjs/compiler": "^6.0.0"
+    "@riotjs/compiler": "^6.0.4"
   },
   "devDependencies": {
-    "eslint": "^7.30.0",
+    "eslint": "^8.1.0",
     "eslint-config-riot": "^3.0.0"
   },
   "dependencies": {