feat: switch to explicit type: module

Author: brettz9

acorn-loose/package-lock.json

@@ -2,8 +2,8 @@
   "name": "acorn-loose",
   "description": "Error-tolerant ECMAScript parser",
   "homepage": "https://github.com/acornjs/acorn",
+  "type": "module",
   "main": "dist/acorn-loose.js",
-  "module": "dist/acorn-loose.mjs",
   "types": "dist/acorn-loose.d.ts",
   "exports": {
     ".": [

acorn-loose/package.json

@@ -2,9 +2,9 @@
   "name": "acorn-walk",
   "description": "ECMAScript (ESTree) AST walker",
   "homepage": "https://github.com/acornjs/acorn",
+  "type": "module",
   "main": "dist/walk.js",
   "types": "dist/walk.d.ts",
-  "module": "dist/walk.mjs",
   "exports": {
     ".": [
       {

acorn-loose/rollup.config.mjs renamed to acorn-loose/rollup.config.js

@@ -257,8 +257,8 @@ on the extended version of the class. To extend a parser with plugins,
 you can use its static `extend` method.
 
 ```javascript
-var acorn = require("acorn")
-var jsx = require("acorn-jsx")
+import * as acorn from "acorn"
+import jsx from "acorn-jsx"
 var JSXParser = acorn.Parser.extend(jsx())
 JSXParser.parse("foo(<bar/>)", {ecmaVersion: 2020})
 ```

acorn-walk/package-lock.json

@@ -2,9 +2,9 @@
   "name": "acorn",
   "description": "ECMAScript parser",
   "homepage": "https://github.com/acornjs/acorn",
+  "type": "module",
   "main": "dist/acorn.js",
   "types": "dist/acorn.d.ts",
-  "module": "dist/acorn.mjs",
   "exports": {
     ".": [
       {