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app_vue/node_modules/babel-loader/lib/injectCaller.js

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+"use strict";
+
+const babel = require("@babel/core");
+module.exports = function injectCaller(opts, target) {
+  if (!supportsCallerOption()) return opts;
+  return Object.assign({}, opts, {
+    caller: Object.assign({
+      name: "babel-loader",
+      // Provide plugins with insight into webpack target.
+      // https://github.com/babel/babel-loader/issues/787
+      target,
+      // Webpack >= 2 supports ESM and dynamic import.
+      supportsStaticESM: true,
+      supportsDynamicImport: true,
+      // Webpack 5 supports TLA behind a flag. We enable it by default
+      // for Babel, and then webpack will throw an error if the experimental
+      // flag isn't enabled.
+      supportsTopLevelAwait: true
+    }, opts.caller)
+  });
+};
+
+// 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;
+}