Use builtin import() parsing from acorn

Author: goto-bus-stop

index.js

@@ -6,7 +6,6 @@ var CJSParser = acorn.Parser
   .extend(require('./lib/class-fields'))
   .extend(require('./lib/static-class-features'))
   .extend(require('./lib/numeric-separator'))
-  .extend(require('./lib/dynamic-import').default)
 var ESModulesParser = CJSParser
   .extend(require('./lib/export-ns-from'))
   .extend(require('./lib/import-meta'))

lib/dynamic-import/index.js

@@ -14,7 +14,6 @@
   "devDependencies": {
     "acorn-bigint": "^0.4.0",
     "acorn-class-fields": "^0.3.1",
-    "acorn-dynamic-import": "^4.0.0",
     "acorn-export-ns-from": "^0.1.0",
     "acorn-import-meta": "^0.3.0",
     "acorn-numeric-separator": "^0.3.0",

package.json

@@ -143,7 +143,7 @@ test('walk supports plugin syntax', function (t) {
   )
   t.plan(2)
   walk.simple(ast, {
-    Import: function () {
+    ImportExpression: function () {
       t.pass('import()')
     },
     MetaProperty: function () {

test/index.js

@@ -2,7 +2,6 @@ var xtend = require('xtend')
 var walk = require('acorn-walk')
 
 var base = xtend(walk.base)
-base.Import = function () {}
 
 function simple (node, visitors, baseVisitor, state, override) {
   return walk.simple(node, visitors, baseVisitor || base, state, override)