Fix #1790

server/src/services/typescriptService/serviceHost.ts

@@ -400,7 +400,6 @@ export function getServiceHost(
   const jsHost = createLanguageServiceHost(compilerOptions);
   const templateHost = createLanguageServiceHost({
     ...compilerOptions,
-    noImplicitAny: false,
     noUnusedLocals: false,
     noUnusedParameters: false,
     allowJs: true,

server/src/services/typescriptService/templateDiagnosticFilter.ts

@@ -48,7 +48,27 @@ export function createTemplateDiagnosticFilter(tsModule: T_TypeScript) {
     return true;
   };
 
-  return mergeFilter([ignorePrivateProtectedViolation]);
+  const ignoreNoImplicitAnyViolationInNativeEvent: DiagnosticFilter = diag => {
+    const noImplicitAnyViolation = 7006;
+
+    if (diag.code !== noImplicitAnyViolation) {
+      return true;
+    }
+
+    const source = diag.file;
+    if (!source) {
+      return true;
+    }
+
+    const target = findNodeFromDiagnostic(diag, source);
+    if (target && tsModule.isParameter(target.parent)) {
+      return false;
+    }
+
+    return true;
+  };
+
+  return mergeFilter([ignorePrivateProtectedViolation, ignoreNoImplicitAnyViolationInNativeEvent]);
 }
 
 /**

test/interpolation/features/diagnostics/basic.test.ts

@@ -254,7 +254,14 @@ describe('Should find template-diagnostics in <template> region', () => {
     });
   });
 
-  const noErrorTests: string[] = ['class.vue', 'style.vue', 'hyphen-attrs.vue', 'template-literal.vue'];
+  const noErrorTests: string[] = [
+    'class.vue',
+    'style.vue',
+    'hyphen-attrs.vue',
+    'template-literal.vue',
+    'no-implicit-any-parameters.vue',
+    'no-implicit-any-v-for-array.vue'
+  ];
 
   noErrorTests.forEach(t => {
     it(`Shows no template diagnostics error for ${t}`, async () => {

test/interpolation/fixture/diagnostics/no-implicit-any-parameters.vue

@@ -0,0 +1,17 @@
+<template>
+  <div @click="(event) => onClick(event)">
+    <div @click="(event) => onClick(event)">
+      <div :allow="(event) => onClick(event)" />
+    </div>
+  </div>
+</template>
+
+<script>
+export default {
+  methods: {
+    onClick (e) {
+      console.log(e)
+    }
+  }
+}
+</script>

test/interpolation/fixture/diagnostics/no-implicit-any-v-for-array.vue

@@ -0,0 +1,27 @@
+<template>
+  <div>
+    <div
+      v-for="num in list"
+      :key="num.q"
+    >
+      Test {{num.q.toString()}}
+    </div>
+  </div>
+</template>
+
+<script lang="ts">
+import Vue from 'vue'
+
+export default Vue.extend({
+  computed: {
+    list () {
+      const result = []
+      for (let i = 1; i < 10; i++) {
+        if (i % 2 === 0)
+        result.push({ c: i, q: i })
+      }
+      return result
+    }
+  }
+})
+</script>