fix: corner case for concat filter without argument, #481

2026-09-15 04:10:40 -07:00 · 2022-03-02 21:21:25 +08:00
parent 15b78ebd9d
commit aa955173d4
5 changed files with 70 additions and 4 deletions
@@ -217,8 +217,14 @@ describe('Issues', function () {
      {{ foo | newline_to_br }}
      {{ foo | strip_html }}
      {{ foo | truncatewords }}
+      {{ foo | concat | json }}
    `)
    const html = await engine.render(tpl, { foo: undefined })
-    expect(html.trim()).to.equal('')
+    expect(html.trim()).to.equal('[]')
+  })
+  it('#481 concat should always return an array', async () => {
+    const engine = new Liquid()
+    const html = await engine.parseAndRender(`{{ foo | concat | json }}`)
+    expect(html).to.equal('[]')
  })
 })