Improve @babel/runtime esm stability (#12883)

test/runtime-integration/generate-absolute-runtime.cjs

@@ -0,0 +1,19 @@
+const fs = require("fs");
+const path = require("path");
+
+const runtimePath = path.resolve(__dirname, "../../packages/babel-runtime");
+const runtimeCorejs3Path = path.resolve(
+  __dirname,
+  "../../packages/babel-runtime-corejs3"
+);
+const input = path.resolve(__dirname, "src");
+
+for (const file of fs.readdirSync(input)) {
+  if (!/\.[cm]js$/.test(file)) continue;
+
+  let contents = fs.readFileSync(path.join(input, file), "utf8");
+  contents = contents.replace("@babel/runtime-corejs3", runtimeCorejs3Path);
+  contents = contents.replace("@babel/runtime", runtimePath);
+
+  fs.writeFileSync(path.resolve(input, "absolute", file), contents);
+}