fix: tagged template incorrect receiver (#13395)

* fix: tagged template incorrect receiver

* review changes

* func exp instead of arrow

* review comments

* update tests output

* swap arrow funcs to regular funcs

Co-authored-by: sagiv.bengiat <sagiv.bengiat@appsflyer.com>

packages/babel-plugin-proposal-private-methods/test/fixtures/accessors/tagged-template/exec.js

@@ -0,0 +1,10 @@
+class Foo {
+  get #tag() {
+    return function() { return this; };
+  }
+  
+  constructor() {
+    const receiver = this.#tag``;
+    expect(receiver).toBe(this);
+  }
+}

packages/babel-plugin-proposal-private-methods/test/fixtures/accessors/tagged-template/input.js

@@ -0,0 +1,11 @@
+class Foo {
+  get #tag() {
+    return () => this;
+  }
+
+  constructor() {
+    this.#tag``;
+  }
+}
+
+new Foo();

packages/babel-plugin-proposal-private-methods/test/fixtures/accessors/tagged-template/output.js

@@ -0,0 +1,19 @@
+var _tag = /*#__PURE__*/new WeakMap();
+
+class Foo {
+  constructor() {
+    _tag.set(this, {
+      get: _get_tag,
+      set: void 0
+    });
+
+    babelHelpers.classPrivateFieldGet(this, _tag).bind(this)``;
+  }
+
+}
+
+function _get_tag() {
+  return () => this;
+}
+
+new Foo();

packages/babel-plugin-proposal-private-methods/test/fixtures/private-method/tagged-template/exec.js

@@ -0,0 +1,11 @@
+class Foo {
+  #tag() {
+    return this;
+  }
+  
+  constructor() {
+    const receiver = this.#tag`tagged template`;
+    expect(receiver).toBe(this);
+  }
+}
+new Foo();

packages/babel-plugin-proposal-private-methods/test/fixtures/private-method/tagged-template/input.js

@@ -0,0 +1,6 @@
+class Foo {
+  #tag() {
+    this.#tag``;
+  }
+}
+new Foo();

packages/babel-plugin-proposal-private-methods/test/fixtures/private-method/tagged-template/output.js

@@ -0,0 +1,14 @@
+var _tag = /*#__PURE__*/new WeakSet();
+
+class Foo {
+  constructor() {
+    _tag.add(this);
+  }
+
+}
+
+function _tag2() {
+  babelHelpers.classPrivateMethodGet(this, _tag, _tag2).bind(this)``;
+}
+
+new Foo();

packages/babel-plugin-proposal-private-methods/test/fixtures/private-static-method/tagged-template/exec.js

@@ -0,0 +1,11 @@
+class Foo {
+  static #tag() {
+    return this;
+  }
+
+  static getReceiver() {
+    return this.#tag``;
+  }
+}
+
+expect(Foo.getReceiver()).toBe(Foo);

packages/babel-plugin-proposal-private-methods/test/fixtures/private-static-method/tagged-template/input.js

@@ -0,0 +1,6 @@
+class Foo {
+  static #tag() {
+    this.#tag``;
+  }
+}
+new Foo();

packages/babel-plugin-proposal-private-methods/test/fixtures/private-static-method/tagged-template/output.js

@@ -0,0 +1,7 @@
+class Foo {}
+
+function _tag() {
+  babelHelpers.classStaticPrivateMethodGet(this, Foo, _tag).bind(this)``;
+}
+
+new Foo();

packages/babel-plugin-proposal-private-methods/test/fixtures/static-accessors/tagged-template/input.js

@@ -0,0 +1,10 @@
+class Foo {
+  static get #tag() {
+    return function() { return this; };
+  }
+  
+  static test() {
+    const receiver = this.#tag``;
+    expect(receiver).toBe(this);
+  }
+}

packages/babel-plugin-proposal-private-methods/test/fixtures/static-accessors/tagged-template/output.js

@@ -0,0 +1,18 @@
+class Foo {
+  static test() {
+    var receiver = babelHelpers.classStaticPrivateFieldSpecGet(this, Foo, _tag).bind(this)``;
+    expect(receiver).toBe(this);
+  }
+
+}
+
+function _get_tag() {
+  return function () {
+    return this;
+  };
+}
+
+var _tag = {
+  get: _get_tag,
+  set: void 0
+};