refactor: remove use of internal Context class in evalValue argument

BREAKING CHANGE: `evalValue` won't support `Context` as second argument anymore.

src/liquid.ts

@@ -90,16 +90,16 @@ export class Liquid {
     return this.renderToNodeStream(templates, scope, renderOptions)
   }
 
-  public _evalValue (str: string, scopeOrContext?: object | Context): IterableIterator<any> {
+  public _evalValue (str: string, scope?: object): IterableIterator<any> {
     const value = new Value(str, this)
-    const ctx = scopeOrContext instanceof Context ? scopeOrContext : new Context(scopeOrContext, this.options)
+    const ctx = new Context(scope, this.options)
     return value.value(ctx, false)
   }
-  public async evalValue (str: string, scopeOrContext?: object | Context): Promise<any> {
-    return toPromise(this._evalValue(str, scopeOrContext))
+  public async evalValue (str: string, scope?: object): Promise<any> {
+    return toPromise(this._evalValue(str, scope))
   }
-  public evalValueSync (str: string, scopeOrContext?: object | Context): any {
-    return toValueSync(this._evalValue(str, scopeOrContext))
+  public evalValueSync (str: string, scope?: object): any {
+    return toValueSync(this._evalValue(str, scope))
   }
 
   public registerFilter (name: string, filter: FilterImplOptions) {

test/e2e/eval-value.ts

@@ -1,5 +1,5 @@
 import { expect } from 'chai'
-import { Context, Liquid } from '../..'
+import { Liquid } from '../..'
 
 describe('#evalValue()', function () {
   var engine: Liquid
@@ -19,14 +19,4 @@ describe('#evalValue()', function () {
     const val = await engine.evalValue('foo')
     expect(val).to.equal('FOO')
   })
-
-  it('should support passing Context', async function () {
-    const val = await engine.evalValue('a > b', new Context({ a: 1, b: 2 }))
-    expect(val).to.equal(false)
-  })
-
-  it('should respect options in passed in Context', async function () {
-    const val = await engine.evalValue('foo', new Context({}, { globals: { foo: 'BAR' } } as any))
-    expect(val).to.equal('BAR')
-  })
 })