fix(joinURL): allow falsy base (#18)

unjs · Mar 9, 2021 · 73220dd · 73220dd
1 parent 228da37
commit 73220dd
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/src/utils.ts b/src/utils.ts
@@ -84,8 +84,7 @@ export function joinURL (base: string, ...input: string[]): string {
   let url = base || ''
 
   for (const i of input.filter(isNonEmptyURL)) {
-    const part = withoutLeadingSlash(i)
-    url = withTrailingSlash(url) + part
+    url = url ? withTrailingSlash(url) + withoutLeadingSlash(i) : i
   }
 
   return url

diff --git a/test/join.test.ts b/test/join.test.ts
@@ -5,6 +5,7 @@ describe('joinURL', () => {
   const tests = [
     { input: [], out: '' },
     { input: ['/'], out: '/' },
+    { input: [null, './'], out: './' },
     { input: ['/a'], out: '/a' },
     { input: ['a', 'b'], out: 'a/b' },
     { input: ['/', '/b'], out: '/b' },