Chore: Support Webpack 5 (#15)

* Update version and peer dependencies

* Update dev dependencies and tests

* Add mode

* Remove unnecessary comma

* Update noder version

.travis.yml

@@ -1,6 +1,6 @@
 language: node_js
 node_js:
-- '8'
+- '16'
 notifications:
   email: false
 deploy:

package.json

@@ -1,6 +1,6 @@
 {
   "name": "dot-index-webpack-plugin",
-  "version": "5.2.0",
+  "version": "5.3.0",
   "description": "",
   "main": "src/index.js",
   "bin": {
@@ -25,14 +25,15 @@
   "devDependencies": {
     "@launchpadlab/babel-preset": "^1.0.0",
     "@launchpadlab/eslint-config": "^2.1.0",
-    "babel-core": "^6.26.0",
+    "@babel/core": "^7.12.0",
     "babel-eslint": "^8.0.1",
-    "babel-loader": "^7.1.4",
+    "babel-loader": "^9.1.0",
     "eslint": "^4.10.0",
-    "jest": "^21.2.1",
-    "webpack": "^4.0.0"
+    "jest": "^29.5.0",
+    "webpack": "^5.0.0",
+    "webpack-cli": "^5.0.1"
   },
   "peerDependencies": {
-    "webpack": "^4.0.0"
+    "webpack": "^4.0.0 || ^5.0.0"
   }
 }

test/dot-index-plugin/dot-index-plugin.test.js

@@ -6,8 +6,8 @@ const fs = require('fs-extra')
 const to = relPath => path.resolve(__dirname, relPath)
 
 test('Generates dot index files', end => {
-
   const config = {
+    mode: 'production',
     entry: to('./test-input'),
     output: {
       path: to('./test-output'),
@@ -28,9 +28,9 @@ test('Generates dot index files', end => {
 
   webpack(config, (err, stats) => {
     expect(err).toEqual(null)
-    const modules = stats.toJson().modules
+    const modules = stats.toJson({ source: true }).modules
     expect(modules.length).toEqual(4)
-    const indexFileContent = modules.pop().source
+    const indexFileContent = modules.find((module) => module.name.includes('.index.js')).source
     expect(indexFileContent).toMatchSnapshot()
     end()
   })
@@ -40,6 +40,7 @@ test('Generates dot index files', end => {
 test('Accepts formatExports argument', end => {
   const toUpperCase = filename => filename.replace(/-/g, '').toUpperCase()
   const config = {
+    mode: 'production',
     entry: to('./test-input'),
     output: {
       path: to('./test-output'),
@@ -60,9 +61,9 @@ test('Accepts formatExports argument', end => {
 
   webpack(config, (err, stats) => {
     expect(err).toEqual(null)
-    const modules = stats.toJson().modules
+    const modules = stats.toJson({ source: true }).modules
     expect(modules.length).toEqual(4)
-    const indexFileContent = modules.pop().source
+    const indexFileContent = modules.find((module) => module.name.includes('.index.js')).source
     expect(indexFileContent).toMatchSnapshot()
     end()
   })