feat: export toValueSync & defaultOptions to evaluate expression, see #527

test/e2e/issues.ts

@@ -1,4 +1,4 @@
-import { Liquid, Drop } from '../..'
+import { Tokenizer, Context, Liquid, Drop, defaultOptions, toValueSync } from '../..'
 import { expect, use } from 'chai'
 import * as chaiAsPromised from 'chai-as-promised'
 import * as sinon from 'sinon'
@@ -260,4 +260,10 @@ describe('Issues', function () {
     const engine = new Liquid()
     expect(() => engine.parse('{% assign headshot = https://testurl.com/not_enclosed_in_quotes.jpg %}')).to.throw(/unexpected token at ":/)
   })
+  it('#527 export Liquid Expression', () => {
+    const tokenizer = new Tokenizer('a > b', defaultOptions.operatorsTrie)
+    const expression = tokenizer.readExpression()
+    const result = toValueSync(expression.evaluate(new Context({ a: 1, b: 2 })))
+    expect(result).to.equal(false)
+  })
 })

test/integration/liquid/liquid.ts

@@ -199,7 +199,7 @@ describe('Liquid', function () {
   describe('#enderToNodeStream', function () {
     const engine = new Liquid()
     it('should render a simple value', async () => {
-      const stream = await engine.renderToNodeStream(engine.parse('{{"foo"}}'))
+      const stream = engine.renderToNodeStream(engine.parse('{{"foo"}}'))
       expect(drainStream(stream)).to.eventually.equal('foo')
     })
   })

test/unit/parser/tokenizer.ts

@@ -17,7 +17,7 @@ describe('Tokenizer', function () {
   const trie = createTrie(defaultOperators)
 
   it('should read quoted', () => {
-    expect(new Tokenizer('"foo" ff', trie).readQuoted()!.getText()).to.equal('"foo"')
+    expect(new Tokenizer('"foo" ff').readQuoted()!.getText()).to.equal('"foo"')
     expect(new Tokenizer(' "foo"ff', trie).readQuoted()!.getText()).to.equal('"foo"')
   })
   it('should read value', () => {