wip(ssr): escape helpers

packages/compiler-core/src/codegen.ts

@@ -31,7 +31,7 @@ import {
 import { isString, isArray, isSymbol } from '@vue/shared'
 import {
   helperNameMap,
-  TO_STRING,
+  TO_DISPLAY_STRING,
   CREATE_VNODE,
   RESOLVE_COMPONENT,
   RESOLVE_DIRECTIVE,
@@ -491,7 +491,7 @@ function genExpression(node: SimpleExpressionNode, context: CodegenContext) {
 
 function genInterpolation(node: InterpolationNode, context: CodegenContext) {
   const { push, helper } = context
-  push(`${helper(TO_STRING)}(`)
+  push(`${helper(TO_DISPLAY_STRING)}(`)
   genNode(node.content, context)
   push(`)`)
 }

packages/compiler-core/src/runtimeHelpers.ts

@@ -17,7 +17,7 @@ export const WITH_DIRECTIVES = Symbol(__DEV__ ? `withDirectives` : ``)
 export const RENDER_LIST = Symbol(__DEV__ ? `renderList` : ``)
 export const RENDER_SLOT = Symbol(__DEV__ ? `renderSlot` : ``)
 export const CREATE_SLOTS = Symbol(__DEV__ ? `createSlots` : ``)
-export const TO_STRING = Symbol(__DEV__ ? `toString` : ``)
+export const TO_DISPLAY_STRING = Symbol(__DEV__ ? `toDisplayString` : ``)
 export const MERGE_PROPS = Symbol(__DEV__ ? `mergeProps` : ``)
 export const TO_HANDLERS = Symbol(__DEV__ ? `toHandlers` : ``)
 export const CAMELIZE = Symbol(__DEV__ ? `camelize` : ``)
@@ -47,7 +47,7 @@ export const helperNameMap: any = {
   [RENDER_LIST]: `renderList`,
   [RENDER_SLOT]: `renderSlot`,
   [CREATE_SLOTS]: `createSlots`,
-  [TO_STRING]: `toString`,
+  [TO_DISPLAY_STRING]: `toDisplayString`,
   [MERGE_PROPS]: `mergeProps`,
   [TO_HANDLERS]: `toHandlers`,
   [CAMELIZE]: `camelize`,

packages/compiler-core/src/transform.ts

@@ -27,7 +27,7 @@ import {
 } from '@vue/shared'
 import { defaultOnError } from './errors'
 import {
-  TO_STRING,
+  TO_DISPLAY_STRING,
   FRAGMENT,
   helperNameMap,
   WITH_DIRECTIVES,
@@ -365,7 +365,7 @@ export function traverseNode(
       break
     case NodeTypes.INTERPOLATION:
       // no need to traverse, but we need to inject toString helper
-      context.helper(TO_STRING)
+      context.helper(TO_DISPLAY_STRING)
       break
 
     // for container types, further traverse downwards