refactor: remove prefixIdentifier and mode usage in compiler-vapor

vapor compilation always assume module mode + prefixIdentifier: true

packages/compiler-vapor/__tests__/transforms/vOnce.spec.ts

@@ -3,7 +3,7 @@ import { IRNodeTypes } from '../../src'
 import { getBaseTransformPreset } from '../../src/compile'
 import { makeCompile } from './_utils'
 
-const [nodeTransforms, directiveTransforms] = getBaseTransformPreset(true)
+const [nodeTransforms, directiveTransforms] = getBaseTransformPreset()
 const compileWithOnce = makeCompile({
   nodeTransforms,
   directiveTransforms,

packages/compiler-vapor/src/compile.ts

@@ -1,9 +1,6 @@
 import {
   type CompilerOptions as BaseCompilerOptions,
-  ErrorCodes,
   type RootNode,
-  createCompilerError,
-  defaultOnError,
   parse,
 } from '@vue/compiler-dom'
 import { extend, isString } from '@vue/shared'
@@ -38,20 +35,9 @@ export function compile(
   source: string | RootNode,
   options: CompilerOptions = {},
 ): VaporCodegenResult {
-  const onError = options.onError || defaultOnError
+  const resolvedOptions = extend({}, options)
-  const isModuleMode = options.mode === 'module'
-  const prefixIdentifiers = options.prefixIdentifiers === true || isModuleMode
-
-  if (options.scopeId && !isModuleMode) {
-    onError(createCompilerError(ErrorCodes.X_SCOPE_ID_NOT_SUPPORTED))
-  }
-
-  const resolvedOptions = extend({}, options, {
-    prefixIdentifiers,
-  })
   const ast = isString(source) ? parse(source, resolvedOptions) : source
-  const [nodeTransforms, directiveTransforms] =
+  const [nodeTransforms, directiveTransforms] = getBaseTransformPreset()
-    getBaseTransformPreset(prefixIdentifiers)
 
   if (options.isTS) {
     const { expressionPlugins } = options
@@ -87,9 +73,7 @@ export type TransformPreset = [
   Record<string, DirectiveTransform>,
 ]
 
-export function getBaseTransformPreset(
+export function getBaseTransformPreset(): TransformPreset {
-  prefixIdentifiers?: boolean,
-): TransformPreset {
   return [
     [
       transformVOnce,

packages/compiler-vapor/src/generate.ts

@@ -68,8 +68,8 @@ export class CodegenContext {
     options: CodegenOptions,
   ) {
     const defaultOptions: Required<CodegenOptions> = {
-      mode: 'function', // TODO
+      mode: 'module',
-      prefixIdentifiers: options.mode === 'module',
+      prefixIdentifiers: true,
       sourceMap: false,
       filename: `template.vue.html`,
       scopeId: null,

packages/compiler-vapor/src/generators/expression.ts

@@ -22,7 +22,6 @@ export function genExpression(
   context: CodegenContext,
   assignment?: string,
 ): CodeFragment[] {
-  const { prefixIdentifiers } = context.options
   const { content, ast, isStatic, loc } = node
 
   if (isStatic) {
@@ -30,7 +29,6 @@ export function genExpression(
   }
 
   if (
-    !prefixIdentifiers ||
     !node.content.trim() ||
     // there was a parsing error
     ast === false ||

packages/compiler-vapor/src/transform.ts

@@ -194,7 +194,7 @@ export class TransformContext<T extends AllNode = AllNode> {
 
 const defaultOptions = {
   filename: '',
-  prefixIdentifiers: false,
+  prefixIdentifiers: true,
   hoistStatic: false,
   hmr: false,
   cacheHandlers: false,