Enable external-helpers by default in tests (#12911)

Co-authored-by: Huáng Jùnliàng <jlhwung@gmail.com>
Co-authored-by: Babel Bot <babel-bot@users.noreply.github.com>

packages/babel-plugin-transform-block-scoping/test/fixtures/const-violations/deadcode-violation/output.js

@@ -1,7 +1,5 @@
-function _readOnlyError(name) { throw new TypeError("\"" + name + "\" is read-only"); }
-
 (function () {
   var a = "foo";
-  if (false) a = (_readOnlyError("a"), "false");
+  if (false) a = (babelHelpers.readOnlyError("a"), "false");
   return a;
 })();

packages/babel-plugin-transform-block-scoping/test/fixtures/const-violations/destructuring-assignment/output.js

@@ -1,5 +1,3 @@
-function _readOnlyError(name) { throw new TypeError("\"" + name + "\" is read-only"); }
-
 var a = 1,
     b = 2;
-a = (_readOnlyError("a"), 3);
+a = (babelHelpers.readOnlyError("a"), 3);

packages/babel-plugin-transform-block-scoping/test/fixtures/const-violations/loop/output.js

@@ -1,5 +1,3 @@
-function _readOnlyError(name) { throw new TypeError("\"" + name + "\" is read-only"); }
-
-for (var i = 0; i < 3; i = (_readOnlyError("i"), i + 1)) {
+for (var i = 0; i < 3; i = (babelHelpers.readOnlyError("i"), i + 1)) {
   console.log(i);
 }

packages/babel-plugin-transform-block-scoping/test/fixtures/const-violations/nested-update-expressions/output.js

@@ -1,8 +1,6 @@
-function _readOnlyError(name) { throw new TypeError("\"" + name + "\" is read-only"); }
-
 var c = 17;
 var a = 0;
 
 function f() {
-  return (_readOnlyError("c"), ++c) + --a;
+  return (babelHelpers.readOnlyError("c"), ++c) + --a;
 }

packages/babel-plugin-transform-block-scoping/test/fixtures/const-violations/no-assignment/output.js

@@ -1,4 +1,2 @@
-function _readOnlyError(name) { throw new TypeError("\"" + name + "\" is read-only"); }
-
 var MULTIPLIER = 5;
-MULTIPLIER = (_readOnlyError("MULTIPLIER"), "overwrite");
+MULTIPLIER = (babelHelpers.readOnlyError("MULTIPLIER"), "overwrite");

packages/babel-plugin-transform-block-scoping/test/fixtures/const-violations/no-for-in/output.js

@@ -1,9 +1,6 @@
-function _readOnlyError(name) { throw new TypeError("\"" + name + "\" is read-only"); }
-
 var MULTIPLIER = 5;
 
 for (MULTIPLIER in arr) {
-  _readOnlyError("MULTIPLIER");
-
+  babelHelpers.readOnlyError("MULTIPLIER");
   ;
 }

packages/babel-plugin-transform-block-scoping/test/fixtures/const-violations/update-expression-prefix/output.js

@@ -1,4 +1,2 @@
-function _readOnlyError(name) { throw new TypeError("\"" + name + "\" is read-only"); }
-
 var a = "str";
-_readOnlyError("a"), --a;
+babelHelpers.readOnlyError("a"), --a;

packages/babel-plugin-transform-block-scoping/test/fixtures/const-violations/update-expression/output.js

@@ -1,4 +1,2 @@
-function _readOnlyError(name) { throw new TypeError("\"" + name + "\" is read-only"); }
-
 var foo = 1;
-_readOnlyError("foo"), foo++;
+babelHelpers.readOnlyError("foo"), foo++;

packages/babel-plugin-transform-block-scoping/test/fixtures/general/hoisting/options.json

@@ -4,7 +4,6 @@
     "syntax-jsx",
     "transform-react-jsx",
     "transform-block-scoped-functions",
-    "transform-for-of",
-     ["external-helpers", { "helperVersion": "7.100.0" }]
+    "transform-for-of"
   ]
 }

packages/babel-plugin-transform-block-scoping/test/fixtures/general/issue-10046-async/output.js

@@ -1,10 +1,6 @@
-function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }
-
-function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }
-
 if (true) {
   var _run = /*#__PURE__*/function () {
-    var _ref = _asyncToGenerator(function* () {
+    var _ref = babelHelpers.asyncToGenerator(function* () {
       return true;
     });
 

packages/babel-plugin-transform-block-scoping/test/fixtures/general/issue-10339/output.js

@@ -1,5 +1,3 @@
-function _objectWithoutPropertiesLoose(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } return target; }
-
 var _loop = function (foo, bar) {
   () => foo;
 
@@ -14,7 +12,7 @@ for (var _ref of {}) {
   var {
     foo
   } = _ref,
-      bar = _objectWithoutPropertiesLoose(_ref, ["foo"]);
+      bar = babelHelpers.objectWithoutPropertiesLoose(_ref, ["foo"]);
 
   _loop(foo, bar);
 }

packages/babel-plugin-transform-block-scoping/test/fixtures/tdz/options.json

@@ -1,6 +1,3 @@
 {
-  "plugins": [
-    ["transform-block-scoping", { "tdz": true }],
-    ["external-helpers", { "helperVersion": "7.1000.0" }]
-  ]
+  "plugins": [["transform-block-scoping", { "tdz": true }]]
 }