Added documentation for date ordinals support in date filter via %q (#581)

* Added date ordinals support in date filter via %q

* fix: validation regex for default date format

* fix: validation regex for default date format

docs/source/tutorials/differences.md

@@ -31,7 +31,9 @@ Though we're trying to be compatible with the Ruby version, there are still some
 * Trailing unmatched characters inside filters are allowed in shopify/liquid but not in LiquidJS. It means filter arguments without a colon like `{%raw%}{{ "a b" | split " "}}{%endraw%}` will throw an error in LiquidJS. This is intended to improve Liquid usability, see [#208][#208] and [#212][#212].
 * LiquidJS has additional tags: [layout][layout] and corresponding `block` tag.
 * LiquidJS has additional filters: [json][json].
+* LiquidJS [date][date] filter supports `%q` for date ordinals like `{{ '2023/02/02' | date: '%d%q of %b'}}` => `02nd of Feb`
 
+[date]: https://liquidjs.com/filters/date.html
 [layout]: https://liquidjs.com/tags/layout.html
 [json]: https://liquidjs.com/filters/json.html
 [#26]: https://github.com/harttle/liquidjs/pull/26

test/e2e/issues.ts

@@ -375,7 +375,8 @@ describe('Issues', function () {
     })
     const tpl = `{{ 'now' | date }}`
     const html = await liquid.parseAndRender(tpl)
-    expect(html).to.match(/\w+, January \d+, 2023 at \d+:\d\d [ap]m [-+]\d\d\d\d/)
+    // sample: Thursday, February 2, 2023 at 6:25 pm +0000
+    expect(html).to.match(/\w+, \w+ \d+, \d\d\d\d at \d+:\d\d [ap]m [-+]\d\d\d\d/)
   })
   it('#575 Add support for Not operator', async () => {
     const liquid = new Liquid()

test/integration/filters/date.ts

@@ -7,7 +7,8 @@ describe('filters/date', function () {
     return test('{{ date | date:"%a %b %d %Y"}}', { date }, date.toDateString())
   })
   it('should support "now"', function () {
-    return test('{{ "now" | date }}', /\w+, January \d+, 2023 at \d+:\d\d [ap]m [-+]\d\d\d\d/)
+    // sample: Thursday, February 2, 2023 at 6:25 pm +0000
+    return test('{{ "now" | date }}', /\w+, \w+ \d+, \d\d\d\d at \d+:\d\d [ap]m [-+]\d\d\d\d/)
   })
   it('should create a new Date when given "now"', function () {
     return test('{{ "now" | date: "%Y"}}', (new Date()).getFullYear().toString())