packages/cli: target modern browsers and switch output to module

packages/cli/config/tsconfig.json

@@ -6,7 +6,8 @@
     "noEmit": false,
     "declarationMap": true,
     "incremental": true,
-    "module": "es6",
+    "target": "ES2019",
+    "module": "ESNext",
     "resolveJsonModule": true,
     "esModuleInterop": true,
     "types": ["node", "jest"]

packages/cli/src/commands/plugin/rollup.config.ts

@@ -27,8 +27,8 @@ import { paths } from 'lib/paths';
 export default {
   input: 'src/index.ts',
   output: {
-    file: 'dist/index.cjs.js',
-    format: 'cjs',
+    file: 'dist/index.esm.js',
+    format: 'module',
   },
   plugins: [
     peerDepsExternal({

packages/cli/templates/default-app/plugins/welcome/package.json.hbs

@@ -1,7 +1,7 @@
 {
   "name": "plugin-welcome",
   "version": "0.0.0",
-  "main": "dist/index.cjs.js",
+  "main": "dist/index.esm.js",
   "types": "dist/index.d.ts",
   "private": true,
   "scripts": {

packages/cli/templates/default-plugin/package.json.hbs

@@ -1,7 +1,7 @@
 {
   "name": "@backstage/plugin-{{id}}",
   "version": "{{version}}",
-  "main": "dist/index.cjs.js",
+  "main": "dist/index.esm.js",
   "types": "dist/index.d.ts",
   "license": "Apache-2.0",
   "private": true,

packages/core/package.json

@@ -16,7 +16,7 @@
     "backstage"
   ],
   "license": "Apache-2.0",
-  "main": "dist/index.cjs.js",
+  "main": "dist/index.esm.js",
   "types": "dist/index.d.ts",
   "scripts": {
     "build": "backstage-cli plugin:build",

packages/dev-utils/package.json

@@ -16,7 +16,7 @@
     "backstage"
   ],
   "license": "Apache-2.0",
-  "main": "dist/index.cjs.js",
+  "main": "dist/index.esm.js",
   "types": "dist/index.d.ts",
   "scripts": {
     "build": "backstage-cli plugin:build",

packages/test-utils-core/package.json

@@ -16,7 +16,7 @@
     "backstage"
   ],
   "license": "Apache-2.0",
-  "main": "dist/index.cjs.js",
+  "main": "dist/index.esm.js",
   "types": "dist/index.d.ts",
   "scripts": {
     "build": "backstage-cli plugin:build",

packages/test-utils/package.json

@@ -16,7 +16,7 @@
     "backstage"
   ],
   "license": "Apache-2.0",
-  "main": "dist/index.cjs.js",
+  "main": "dist/index.esm.js",
   "types": "dist/index.d.ts",
   "scripts": {
     "build": "backstage-cli plugin:build",

packages/theme/package.json

@@ -16,7 +16,7 @@
     "backstage"
   ],
   "license": "Apache-2.0",
-  "main": "dist/index.cjs.js",
+  "main": "dist/index.esm.js",
   "types": "dist/index.d.ts",
   "scripts": {
     "build": "backstage-cli plugin:build",

plugins/graphiql/package.json

@@ -16,7 +16,7 @@
     "backstage"
   ],
   "license": "Apache-2.0",
-  "main": "dist/index.cjs.js",
+  "main": "dist/index.esm.js",
   "types": "dist/index.d.ts",
   "scripts": {
     "build": "backstage-cli plugin:build",

plugins/home-page/package.json

@@ -1,7 +1,7 @@
 {
   "name": "@backstage/plugin-home-page",
   "version": "0.1.1-alpha.4",
-  "main": "dist/index.cjs.js",
+  "main": "dist/index.esm.js",
   "types": "dist/index.d.ts",
   "license": "Apache-2.0",
   "private": true,

plugins/inventory/package.json

@@ -1,7 +1,7 @@
 {
   "name": "@backstage/plugin-inventory",
   "version": "0.1.1-alpha.4",
-  "main": "dist/index.cjs.js",
+  "main": "dist/index.esm.js",
   "types": "dist/index.d.ts",
   "license": "Apache-2.0",
   "private": true,

plugins/lighthouse/package.json

@@ -1,7 +1,7 @@
 {
   "name": "@backstage/plugin-lighthouse",
   "version": "0.1.1-alpha.4",
-  "main": "dist/index.cjs.js",
+  "main": "dist/index.esm.js",
   "types": "dist/index.d.ts",
   "license": "Apache-2.0",
   "private": true,

plugins/tech-radar/package.json

@@ -1,7 +1,7 @@
 {
   "name": "@backstage/plugin-tech-radar",
   "version": "0.1.1-alpha.4",
-  "main": "dist/index.cjs.js",
+  "main": "dist/index.esm.js",
   "types": "dist/index.d.ts",
   "license": "Apache-2.0",
   "private": true,

plugins/welcome/package.json

@@ -1,7 +1,7 @@
 {
   "name": "@backstage/plugin-welcome",
   "version": "0.1.1-alpha.4",
-  "main": "dist/index.cjs.js",
+  "main": "dist/index.esm.js",
   "types": "dist/index.d.ts",
   "private": true,
   "license": "Apache-2.0",