use nullish coalescing

Author: marcuspoehls

packages/view/src/drivers/handlebars/helpers/append.ts

@@ -8,9 +8,9 @@ export default function append (stackName: string, context: any): void {
     throw new Error('Provide a name when using the "append" handlebars helper.')
   }
 
-  context.data.root = context.data.root || {}
-  const stacks = context.data.root.stacks || {}
-  const stack = stacks[stackName] || []
+  context.data.root = context.data.root ?? {}
+  const stacks = context.data.root.stacks ?? {}
+  const stack = stacks[stackName] ?? []
 
   // @ts-expect-error
   stack.push({ mode: 'append', data: context.fn(this) })

packages/view/src/drivers/handlebars/helpers/prepend.ts

@@ -8,9 +8,9 @@ export default function prepend (stackName: string, context: any): void {
     throw new Error('Provide a name when using the "prepend" handlebars helper.')
   }
 
-  context.data.root = context.data.root || {}
-  const stacks = context.data.root.stacks || {}
-  const stack = stacks[stackName] || []
+  context.data.root = context.data.root ?? {}
+  const stacks = context.data.root.stacks ?? {}
+  const stack = stacks[stackName] ?? []
 
   // @ts-expect-error
   stack.unshift({ mode: 'prepend', data: context.fn(this) })

packages/view/src/drivers/handlebars/helpers/stack.ts

@@ -15,9 +15,9 @@ export default function stack (name: string, context: any): string {
     throw new Error('Provide a name when using the "stack" handlebars helper.')
   }
 
-  const data = context.data.root || {}
-  const stacks = data.stacks || {}
-  const stack = stacks[name] || []
+  const data = context.data.root ?? {}
+  const stacks = data.stacks ?? {}
+  const stack = stacks[name] ?? []
 
   const content = stack
     .reduce((carry: string[], { mode, data }: { mode: string, data: string }) => {