refactor: generate Map

Author: 9romise

lib/rules/prefer-use-template-ref.js

@@ -8,7 +8,7 @@ const utils = require('../utils')
 
 /**
  * @typedef ScriptRef
- * @type {{node: Expression, ref: string}}
+ * @type {[string, CallExpression]}
  */
 
 /**
@@ -26,10 +26,7 @@ function getScriptRefsFromSetupFunction(body) {
         declarator.id.type === 'Identifier' &&
         ['ref', 'shallowRef'].includes(declarator.init.callee.name)
       )
-        return {
-          node: declarator.init,
-          ref: declarator.id.name
-        }
+        return [[declarator.id.name, declarator.init]]
     }
 
     return []
@@ -86,21 +83,21 @@ module.exports = {
       }),
       {
         'Program:exit'() {
+          const scriptRefsMap = new Map(scriptRefs)
+
           for (const templateRef of templateRefs) {
-            const scriptRef = scriptRefs.find(
-              (scriptRef) => scriptRef.ref === templateRef
-            )
+            const scriptRef = scriptRefsMap.get(templateRef)
 
             if (!scriptRef) {
               continue
             }
 
             context.report({
-              node: scriptRef.node,
+              node: scriptRef,
               messageId: 'preferUseTemplateRef',
               data: {
-                // @ts-ignore
-                name: scriptRef.node?.callee?.name
+                // @ts-expect-error `scriptRef.callee` is `Identifier`
+                name: scriptRef.callee.name
               }
             })
           }