Fix backward compat for semver checks in class&regexp feat plugins

babel · May 2, 2023 · 6e65320 · 6e65320
1 parent 93d7808
commit 6e65320
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Showing 2 changed files with 19 additions and 1 deletion.
diff --git a/packages/babel-helper-create-class-features-plugin/src/index.ts b/packages/babel-helper-create-class-features-plugin/src/index.ts
@@ -96,6 +96,15 @@ export function createClassFeaturePlugin({
     pre(file) {
       enableFeature(file, feature, loose);
 
+      if (process.env.BABEL_8_BREAKING) {
+        // Until 7.21.4, we used to encode the version as a number.
+        // If file.get(versionKey) is a number, it has thus been
+        // set by an older version of this plugin.
+        if (typeof file.get(versionKey) === "number") {
+          file.set(versionKey, PACKAGE_JSON.version);
+          return;
+        }
+      }
       if (
         !file.get(versionKey) ||
         semver.lt(file.get(versionKey), PACKAGE_JSON.version)

diff --git a/packages/babel-helper-create-regexp-features-plugin/src/index.ts b/packages/babel-helper-create-regexp-features-plugin/src/index.ts
@@ -82,8 +82,17 @@ export function createRegExpFeaturePlugin({
         }
       }
 
+      if (process.env.BABEL_8_BREAKING) {
+        // Until 7.21.4, we used to encode the version as a number.
+        // If file.get(versionKey) is a number, it has thus been
+        // set by an older version of this plugin.
+        if (typeof file.get(versionKey) === "number") {
+          file.set(versionKey, PACKAGE_JSON.version);
+          return;
+        }
+      }
       if (
-        !file.has(versionKey) ||
+        !file.get(versionKey) ||
         semver.lt(file.get(versionKey), PACKAGE_JSON.version)
       ) {
         file.set(versionKey, PACKAGE_JSON.version);