Test complete

test/index.ts

@@ -1,4 +1,4 @@
-import { readFileSync } from "fs"
+import { readFileSync, existsSync } from "fs"
 import { describe, it } from "mocha"
 import { resolve } from "path"
 import { expect } from "chai"
@@ -14,13 +14,20 @@ const equal = (name: Snapshot) => {
   const folder = resolve(__dirname, "snapshots", name)
   const actual = readFileSync(resolve(folder, "input.txt"), "utf-8")
   const expected = readFileSync(resolve(folder, "output.txt"), "utf-8")
+  const babelrc: babel.TransformOptions = existsSync(resolve(folder, ".babelrc"))
+    ? JSON.parse(readFileSync(resolve(folder, ".babelrc"), "utf-8"))
+    : {}
+
   const transformed = transform(actual, {
     parserOpts: {
+      ...babelrc.parserOpts,
       plugins: ["decorators-legacy", "typescript"],
     },
     babelrc: false,
     configFile: false,
+    presets: babelrc.presets,
     plugins: [
+      ...(babelrc.plugins ?? []),
       plugin,
       {
         visitor: {
@@ -52,11 +59,15 @@ describe("tsc-decorator", () => {
     equal("computedProperties")
   })
 
-  it("works with class/consrtuctor decorators", () => {
+  it("works with class/constructor decorators", () => {
     equal("constructor")
   })
 
   it("does not interfere with export declarations", () => {
     equal("exports")
   })
+
+  it("works with private properties", () => {
+    equal("privateProperties")
+  })
 })