fix: some filters throw on nil input, see #481

2026-09-18 05:50:43 -07:00 · 2022-02-27 02:07:59 +08:00
parent 21b78d9ba0
commit 7dfb620d30
14 changed files with 182 additions and 93 deletions
@@ -207,4 +207,18 @@ describe('Issues', function () {
    const html = await engine.render(tpl, { v: undefined })
    expect(html).to.equal('')
  })
+  it('#481 filters that should not throw', async () => {
+    const engine = new Liquid()
+    const tpl = engine.parse(`
+      {{ foo | join }}
+      {{ foo | map: "k" }}
+      {{ foo | reverse }}
+      {{ foo | slice: 2 }}
+      {{ foo | newline_to_br }}
+      {{ foo | strip_html }}
+      {{ foo | truncatewords }}
+    `)
+    const html = await engine.render(tpl, { foo: undefined })
+    expect(html.trim()).to.equal('')
+  })
 })