Implement ClassPrivateProperty + test (#62)

Author: kungfooman

src-transpiler/Stringifier.mjs

@@ -413,6 +413,23 @@ class Stringifier {
     out += ';';
     return out;
   }
+  /**
+   * @param {import("@babel/types").ClassPrivateProperty} node - The Babel AST node.
+   * @returns {string} Stringification of the node.
+   */
+  ClassPrivateProperty(node) {
+    const {static: static_, key, value} = node;
+    let out = this.spaces;
+    if (static_) {
+      out += 'static ';
+    }
+    out += this.toSource(key);
+    if (value) {
+      out += ' = ' + this.toSource(value);
+    }
+    out += ';';
+    return out;
+  }
   /**
    * @param {import("@babel/types").ContinueStatement} node - The Babel AST node.
    * @returns {string} Stringification of the node.

test/typechecking.json

@@ -11,6 +11,10 @@
     "input": "./test/typechecking/ArrowFunctionExpression-foreach-input.mjs",
     "output": "./test/typechecking/ArrowFunctionExpression-foreach-output.mjs"
   },
+  {
+    "input": "./test/typechecking/ClassPrivateProperty-input.mjs",
+    "output": "./test/typechecking/ClassPrivateProperty-output.mjs"
+  },
   {
     "input": "./test/typechecking/ClassProperty-value-is-null-input.mjs",
     "output": "./test/typechecking/ClassProperty-value-is-null-output.mjs"

test/typechecking/ClassPrivateProperty-input.mjs

@@ -0,0 +1,8 @@
+class Test {
+  #a;
+  #b = 123;
+  #c = this.#b * 2;
+  static #d;
+  static #e = 1;
+}
+const test = new Test();

test/typechecking/ClassPrivateProperty-output.mjs

@@ -0,0 +1,9 @@
+class Test {
+  #a;
+  #b = 123;
+  #c = this.#b * 2;
+  static #d;
+  static #e = 1;
+}
+registerClass(Test);
+const test = new Test();