fix: elsif is not supported for unless, fixes #268

test/e2e/issues.ts

@@ -42,4 +42,16 @@ describe('Issues', function () {
     const html = engine.parseAndRenderSync(template)
     expect(html).to.equal('This is a code snippet showing how {% breaks the raw block.')
   })
+  it('#268 elsif is not supported for unless', () => {
+    const template = `{%- unless condition1 -%}
+    <div>X</div>
+    {%- elsif condition2 -%}
+        <div>Y</div>
+    {%- else %}
+        <div>Z</div>
+    {% endunless %}`
+    const engine = new Liquid()
+    const html = engine.parseAndRenderSync(template, { condition1: true, condition2: true })
+    expect(html).to.equal('<div>Y</div>')
+  })
 })

test/integration/builtin/tags/if.ts

@@ -1,5 +1,9 @@
 import { Liquid } from '../../../../src/liquid'
-import { expect } from 'chai'
+import * as chai from 'chai'
+import * as chaiAsPromised from 'chai-as-promised'
+
+const expect = chai.expect
+chai.use(chaiAsPromised)
 
 describe('tags/if', function () {
   const liquid = new Liquid()

test/integration/builtin/tags/unless.ts

@@ -14,6 +14,11 @@ describe('tags/unless', function () {
     const html = await liquid.parseAndRender(src)
     return expect(html).to.equal('no')
   })
+  it('should support elsif', async function () {
+    const src = '{% unless true %}1{%elsif true%}2{%else%}3{%endunless%}'
+    const html = await liquid.parseAndRender(src)
+    return expect(html).to.equal('2')
+  })
   it('should render unless when predicate yields false', async function () {
     const src = '{% unless false %}yes{%else%}no{%endunless%}'
     const html = await liquid.parseAndRender(src)