fix(server-renderer): respect compilerOptions during runtime template compilation (#4631)

packages/server-renderer/src/helpers/ssrCompile.ts

@@ -1,7 +1,7 @@
-import { ComponentInternalInstance, warn } from 'vue'
+import { ComponentInternalInstance, ComponentOptions, warn } from 'vue'
 import { compile } from '@vue/compiler-ssr'
-import { generateCodeFrame, NO } from '@vue/shared'
-import { CompilerError } from '@vue/compiler-core'
+import { extend, generateCodeFrame, isFunction, NO } from '@vue/shared'
+import { CompilerError, CompilerOptions } from '@vue/compiler-core'
 import { PushFn } from '../render'
 
 type SSRRenderFunction = (
@@ -24,29 +24,57 @@ export function ssrCompile(
     )
   }
 
-  const cached = compileCache[template]
+  // TODO: This is copied from runtime-core/src/component.ts and should probably be refactored
+  const Component = instance.type as ComponentOptions
+  const { isCustomElement, compilerOptions } = instance.appContext.config
+  const { delimiters, compilerOptions: componentCompilerOptions } = Component
+
+  const finalCompilerOptions: CompilerOptions = extend(
+    extend(
+      {
+        isCustomElement,
+        delimiters
+      },
+      compilerOptions
+    ),
+    componentCompilerOptions
+  )
+
+  finalCompilerOptions.isCustomElement =
+    finalCompilerOptions.isCustomElement || NO
+  finalCompilerOptions.isNativeTag = finalCompilerOptions.isNativeTag || NO
+
+  const cacheKey = JSON.stringify(
+    {
+      template,
+      compilerOptions: finalCompilerOptions
+    },
+    (key, value) => {
+      return isFunction(value) ? value.toString() : value
+    }
+  )
+
+  const cached = compileCache[cacheKey]
   if (cached) {
     return cached
   }
 
-  const { code } = compile(template, {
-    isCustomElement: instance.appContext.config.isCustomElement || NO,
-    isNativeTag: instance.appContext.config.isNativeTag || NO,
-    onError(err: CompilerError) {
-      if (__DEV__) {
-        const message = `[@vue/server-renderer] Template compilation error: ${err.message}`
-        const codeFrame =
-          err.loc &&
-          generateCodeFrame(
-            template as string,
-            err.loc.start.offset,
-            err.loc.end.offset
-          )
-        warn(codeFrame ? `${message}\n${codeFrame}` : message)
-      } else {
-        throw err
-      }
+  finalCompilerOptions.onError = (err: CompilerError) => {
+    if (__DEV__) {
+      const message = `[@vue/server-renderer] Template compilation error: ${err.message}`
+      const codeFrame =
+        err.loc &&
+        generateCodeFrame(
+          template as string,
+          err.loc.start.offset,
+          err.loc.end.offset
+        )
+      warn(codeFrame ? `${message}\n${codeFrame}` : message)
+    } else {
+      throw err
     }
-  })
-  return (compileCache[template] = Function('require', code)(require))
+  }
+
+  const { code } = compile(template, finalCompilerOptions)
+  return (compileCache[cacheKey] = Function('require', code)(require))
 }