feat: jsonify, inspect, to_integer, normalize_whitespace filters

test/integration/filters/misc.spec.ts

@@ -30,4 +30,33 @@ describe('filters/object', function () {
       expect(liquid.parseAndRenderSync('{{obj | json: 4}}', scope)).toBe(result)
     })
   })
+  describe('jsonify', function () {
+    it('should stringify string', async () => expect(await liquid.parseAndRender('{{"foo" | jsonify}}')).toBe('"foo"'))
+  })
+  describe('inspect', function () {
+    it('should inspect string', async () => expect(await liquid.parseAndRender('{{"foo" | inspect}}')).toBe('"foo"'))
+    it('should inspect object', () => {
+      const text = '{{foo | inspect}}'
+      const foo = { bar: 'bar' }
+      const expected = '{"bar":"bar"}'
+      return expect(liquid.parseAndRenderSync(text, { foo })).toBe(expected)
+    })
+    it('should inspect cyclic object', () => {
+      const text = '{{foo | inspect}}'
+      const foo: any = { bar: 'bar' }
+      foo.foo = foo
+      const expected = '{"bar":"bar","foo":"[Circular]"}'
+      return expect(liquid.parseAndRenderSync(text, { foo })).toBe(expected)
+    })
+    it('should support space argument', () => {
+      const text = '{{foo | inspect: 4}}'
+      const foo: any = { bar: 'bar' }
+      foo.foo = foo
+      const expected = '{\n    "bar": "bar",\n    "foo": "[Circular]"\n}'
+      return expect(liquid.parseAndRenderSync(text, { foo })).toBe(expected)
+    })
+  })
+  describe('to_integer', function () {
+    it('should stringify string', () => expect(liquid.parseAndRenderSync('{{ "123" | to_integer | json }}')).toBe('123'))
+  })
 })

test/integration/filters/string.spec.ts

@@ -1,6 +1,8 @@
 import { test } from '../../stub/render'
+import { Liquid } from '../../../src/liquid'
 
 describe('filters/string', function () {
+  const liquid = new Liquid()
   describe('append', function () {
     it('should return "-3abc" for -3, "abc"',
       () => test('{{ -3 | append: "abc" }}', '-3abc'))
@@ -228,4 +230,12 @@ describe('filters/string', function () {
         'Take my protein pills and put my helmet on')
     })
   })
+  describe('normalize_whitespace', () => {
+    it('should replace " \n " with " "', () => {
+      expect(liquid.parseAndRenderSync('{{ "a \n b" | normalize_whitespace }}')).toEqual('a b')
+    })
+    it('should replace multiple occurrences', () => {
+      expect(liquid.parseAndRenderSync('{{ "a \n b  c" | normalize_whitespace }}')).toEqual('a b c')
+    })
+  })
 })