fix(yarn): support v4 lock file detection and add forwards compatibil…

…ity (#27835)
renovatebot · Mar 11, 2024 · 33959ef · 33959ef
1 parent 8900944
commit 33959ef
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diff --git a/lib/modules/manager/npm/extract/yarn.spec.ts b/lib/modules/manager/npm/extract/yarn.spec.ts
@@ -58,6 +58,12 @@ describe('modules/manager/npm/extract/yarn', () => {
 
   it('getYarnVersionFromLock', () => {
     expect(getYarnVersionFromLock({ isYarn1: true })).toBe('^1.22.18');
+    expect(
+      getYarnVersionFromLock({ isYarn1: false, lockfileVersion: 12 }),
+    ).toBe('>=4.0.0');
+    expect(
+      getYarnVersionFromLock({ isYarn1: false, lockfileVersion: 10 }),
+    ).toBe('^4.0.0');
     expect(getYarnVersionFromLock({ isYarn1: false, lockfileVersion: 8 })).toBe(
       '^3.0.0',
     );

diff --git a/lib/modules/manager/npm/extract/yarn.ts b/lib/modules/manager/npm/extract/yarn.ts
@@ -104,6 +104,13 @@ export function getYarnVersionFromLock(lockfile: LockFile): string {
   if (isYarn1) {
     return '^1.22.18';
   }
+  if (lockfileVersion && lockfileVersion >= 12) {
+    // This will probably be v5
+    return '>=4.0.0';
+  }
+  if (lockfileVersion && lockfileVersion >= 10) {
+    return '^4.0.0';
+  }
   if (lockfileVersion && lockfileVersion >= 8) {
     // https://github.com/yarnpkg/berry/commit/9bcd27ae34aee77a567dd104947407532fa179b3
     return '^3.0.0';