revert(context): plain {} registers and getRegister ||

Registers are only mutated by tag implementations, not templates; keep null-prototype scopes/createScope for push frames.

Co-authored-by: Cursor <[email protected]>

src/context/context.ts

@@ -13,7 +13,7 @@ export class Context {
    * for tags like `{% capture %}` `{% assign %}` to operate
    */
   private scopes: Scope[] = [createScope()]
-  private registers: Record<string, any> = Object.create(null)
+  private registers = {}
   /**
    * user passed in scope
    * `{% increment %}`, `{% decrement %}` changes this scope,
@@ -49,7 +49,7 @@ export class Context {
     this.renderLimit = renderLimit ?? new Limiter('template render', getPerformance().now() + (renderOptions.renderLimit ?? opts.renderLimit))
   }
   public getRegister<T> (key: string, defaultValue: T = undefined as T): T {
-    return (this.registers[key] = this.registers[key] ?? defaultValue)
+    return (this.registers[key] = this.registers[key] || defaultValue)
   }
   public setRegister (key: string, value: any) {
     return (this.registers[key] = value)

src/tags/block.ts

@@ -23,7 +23,7 @@ export default class extends Tag {
   * render (ctx: Context, emitter: Emitter) {
     const blockRender = this.getBlockRender(ctx)
     if (ctx.getRegister('blockMode') === BlockMode.STORE) {
-      ctx.getRegister('blocks', createScope() as Record<string, any>)[this.block] = blockRender
+      ctx.getRegister('blocks', {} as Record<string, any>)[this.block] = blockRender
     } else {
       yield blockRender(new BlockDrop(), emitter)
     }
@@ -32,7 +32,7 @@ export default class extends Tag {
   private getBlockRender (ctx: Context) {
     const self = this as Tag
     const { liquid, templates } = this
-    const renderChild = ctx.getRegister('blocks', createScope() as Record<string, any>)[this.block]
+    const renderChild = ctx.getRegister('blocks', {} as Record<string, any>)[this.block]
     const renderCurrent = function * (superBlock: BlockDrop, emitter: Emitter) {
       const stack: Tag[] = ctx.getRegister('blockStack', [])
       if (stack.includes(self)) throw new Error('block tag cannot be nested')

src/tags/cycle.ts

@@ -1,4 +1,4 @@
-import { TopLevelToken, Liquid, ValueToken, evalToken, Emitter, TagToken, Context, Tag, createScope } from '..'
+import { TopLevelToken, Liquid, ValueToken, evalToken, Emitter, TagToken, Context, Tag } from '..'
 import { Arguments } from '../template'
 
 export default class extends Tag {
@@ -27,7 +27,7 @@ export default class extends Tag {
   * render (ctx: Context, emitter: Emitter): Generator<unknown, unknown, unknown> {
     const group = (yield evalToken(this.group, ctx)) as ValueToken
     const fingerprint = `cycle:${group}:` + this.candidates.join(',')
-    const groups = ctx.getRegister('cycle', createScope() as Record<string, number>)
+    const groups = ctx.getRegister('cycle', {} as Record<string, number>)
     let idx = groups[fingerprint]
 
     if (idx === undefined) {

src/tags/include.ts

@@ -32,7 +32,7 @@ export default class extends Tag {
     assert(filepath, () => `illegal file path "${filepath}"`)
 
     const saved = ctx.saveRegister('blocks', 'blockMode')
-    ctx.setRegister('blocks', createScope())
+    ctx.setRegister('blocks', {})
     ctx.setRegister('blockMode', BlockMode.OUTPUT)
     const scope = (yield hash.render(ctx)) as Scope
     if (withVar) scope[filepath] = yield evalToken(withVar, ctx)

src/tags/layout.ts

@@ -32,7 +32,7 @@ export default class extends Tag {
     // render remaining contents and store rendered results
     ctx.setRegister('blockMode', BlockMode.STORE)
     const html = yield renderer.renderTemplates(this.templates, ctx)
-    const blocks = ctx.getRegister('blocks', createScope() as Record<string, any>)
+    const blocks = ctx.getRegister('blocks', {} as Record<string, any>)
 
     // set whole content to anonymous block if anonymous doesn't specified
     if (blocks[''] === undefined) blocks[''] = (parent: BlankDrop, emitter: Emitter) => emitter.write(html)