use directories for structure

node_modules/acorn-class-fields/run_test262.js

@@ -0,0 +1,26 @@
+"use strict"
+
+const fs = require("fs")
+const path = require("path")
+const run = require("test262-parser-runner")
+const acorn = require("acorn")
+const Parser = acorn.Parser.extend(require("."))
+
+const unsupportedFeatures = [
+  "class-methods-private",
+  "class-static-fields-public",
+  "class-static-fields-private",
+  "class-static-methods-private",
+  "optional-chaining"
+]
+
+const implementedFeatures = [ "class-fields-private", "class-fields-public" ]
+
+run(
+  (content, options) => Parser.parse(content, {sourceType: options.sourceType, ecmaVersion: 11}),
+  {
+    testsDirectory: path.dirname(require.resolve("test262/package.json")),
+    skip: test => (!test.attrs.features || !implementedFeatures.some(f => test.attrs.features.includes(f)) || unsupportedFeatures.some(f => test.attrs.features.includes(f))),
+    whitelist: fs.readFileSync("./test262.whitelist", "utf8").split("\n").filter(v => v && v[0] !== "#")
+  }
+)