Remove caller option check

.github/workflows/ci.yml

@@ -11,7 +11,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest]
-        node-version: [14, 16, 18]
+        node-version: [14, 16, 18, 20]
         webpack-version: ['5']
         include:
           - node-version: "14.15.0" # The minimum supported node version

.yarnrc.yml

@@ -1 +1 @@
-yarnPath: .yarn/releases/yarn-3.6.1.cjs
+yarnPath: .yarn/releases/yarn-3.6.4.cjs

package.json

@@ -19,10 +19,10 @@
   },
   "devDependencies": {
     "@ava/babel": "^1.0.1",
-    "@babel/cli": "^7.22.9",
-    "@babel/core": "^7.22.9",
-    "@babel/eslint-parser": "^7.22.9",
-    "@babel/preset-env": "^7.22.9",
+    "@babel/cli": "^7.23.0",
+    "@babel/core": "^7.23.3",
+    "@babel/eslint-parser": "^7.23.3",
+    "@babel/preset-env": "^7.23.3",
     "ava": "^3.13.0",
     "babel-plugin-react-intl": "^8.2.25",
     "c8": "^8.0.0",
@@ -38,7 +38,7 @@
     "react-intl-webpack-plugin": "^0.3.0",
     "rimraf": "^5.0.1",
     "semver": "7.5.2",
-    "webpack": "^5.74.0"
+    "webpack": "^5.89.0"
   },
   "scripts": {
     "clean": "rimraf lib/",
@@ -118,5 +118,5 @@
       "git add yarn.lock"
     ]
   },
-  "packageManager": "yarn@3.6.1"
+  "packageManager": "yarn@3.6.4"
 }

src/injectCaller.js

@@ -1,8 +1,4 @@
-const babel = require("@babel/core");
-
 module.exports = function injectCaller(opts, target) {
-  if (!supportsCallerOption()) return opts;
-
   return Object.assign({}, opts, {
     caller: Object.assign(
       {
@@ -25,26 +21,3 @@ module.exports = function injectCaller(opts, target) {
     ),
   });
 };
-
-// TODO: We can remove this eventually, I'm just adding it so that people have
-// a little time to migrate to the newer RCs of @babel/core without getting
-// hard-to-diagnose errors about unknown 'caller' options.
-let supportsCallerOptionFlag = undefined;
-function supportsCallerOption() {
-  if (supportsCallerOptionFlag === undefined) {
-    try {
-      // Rather than try to match the Babel version, we just see if it throws
-      // when passed a 'caller' flag, and use that to decide if it is supported.
-      babel.loadPartialConfig({
-        caller: undefined,
-        babelrc: false,
-        configFile: false,
-      });
-      supportsCallerOptionFlag = true;
-    } catch (err) {
-      supportsCallerOptionFlag = false;
-    }
-  }
-
-  return supportsCallerOptionFlag;
-}