Improve @babel/runtime esm stability (#12883)

2021-02-24 20:04:03 +01:00
parent c9da9650eb
commit 6a471decc3
47 changed files with 2535 additions and 159 deletions
--- a/packages/babel-plugin-transform-runtime/scripts/build-dist.js
+++ b/packages/babel-plugin-transform-runtime/scripts/build-dist.js
@@ -248,6 +248,7 @@ function buildHelper(
      [transformRuntime, { corejs, version: runtimeVersion }],
      buildRuntimeRewritePlugin(runtimeName, helperName),
      esm ? null : addDefaultCJSExport,
+      esm ? useRelativeImports : null,
    ].filter(Boolean),
    overrides: [
      {
@@ -318,3 +319,18 @@ function addDefaultCJSExport({ template }) {
    },
  };
 }
+
+function useRelativeImports() {
+  const RE = /^@babel\/runtime(?:-corejs[23])?\/helpers\/(?<name>.+)$/;
+
+  return {
+    visitor: {
+      ImportDeclaration(path) {
+        path.node.source.value = path.node.source.value.replace(
+          RE,
+          "../$<name>/_index.mjs"
+        );
+      },
+    },
+  };
+}