fix: strip type-aware parserOptions during key collection

lib/utils/parser-config-resolver/parse-by-parser.ts

@@ -4,19 +4,43 @@ import path from 'path'
 import { parseForESLint } from 'vue-eslint-parser'
 import type { ParseResult } from '.'
 
+function stripTypeAwareOptions(
+  parserOptions: unknown
+): Record<string, unknown> {
+  if (
+    parserOptions == null ||
+    typeof parserOptions !== 'object' ||
+    Array.isArray(parserOptions)
+  ) {
+    return (parserOptions ?? {}) as Record<string, unknown>
+  }
+  // eslint-disable-next-line @typescript-eslint/no-unused-vars
+  const { project, programs, projectService, ...rest } =
+    parserOptions as Record<string, unknown>
+  if (
+    rest.parserOptions != null &&
+    typeof rest.parserOptions === 'object' &&
+    !Array.isArray(rest.parserOptions)
+  ) {
+    rest.parserOptions = stripTypeAwareOptions(rest.parserOptions)
+  }
+  return rest
+}
+
 export function parseByParser(
   filePath: string,
   parserDefine: Linter.Parser | string | undefined,
   parserOptions: unknown
 ): ParseResult {
   const parser = getParser(parserDefine, filePath)
+  const safeParserOptions = stripTypeAwareOptions(parserOptions)
   try {
     const text = readFileSync(path.resolve(filePath), 'utf8')
     const parseResult =
       'parseForESLint' in parser && typeof parser.parseForESLint === 'function'
-        ? parser.parseForESLint(text, parserOptions)
+        ? parser.parseForESLint(text, safeParserOptions)
         : // eslint-disable-next-line @typescript-eslint/no-explicit-any
-          { ast: (parser as any).parse(text, parserOptions) }
+          { ast: (parser as any).parse(text, safeParserOptions) }
     return parseResult as ParseResult
   } catch (_e) {
     return null

tests/fixtures/no-unused-keys/invalid/typescript-with-project-true/eslint.config.cjs

@@ -0,0 +1,43 @@
+const base = require("../../../../../lib/configs/flat/base");
+module.exports = [
+  ...base,
+  {
+    files: ['**/*.vue', '*.vue'],
+    languageOptions: {
+      parser: require('vue-eslint-parser'),
+      parserOptions: {
+        parser: "@typescript-eslint/parser",
+        project: true,
+      },
+    },
+  },
+  {
+    files: ['**/*.ts', '*.ts'],
+    languageOptions: {
+      parser: require('@typescript-eslint/parser'),
+      parserOptions: {
+        project: true,
+      },
+    },
+  },
+  {
+    rules: {
+      "@intlify/vue-i18n/no-unused-keys": [
+        "error",
+        {
+          src: "./src",
+          extensions: [".tsx", ".ts", ".vue"],
+          enableFix: true,
+        },
+      ],
+    },
+    settings: {
+      "vue-i18n": {
+        localeDir: {
+          pattern: `./locales/*.{json,yaml,yml}`,
+          localeKey: "file",
+        },
+      },
+    },
+  },
+];

tests/fixtures/no-unused-keys/invalid/typescript-with-project-true/locales/en.json

@@ -0,0 +1,13 @@
+{
+  "hello": "hello world",
+  "messages": {
+    "hello": "hi DIO!",
+    "link": "@:message.hello",
+    "nested": {
+      "hello": "hi jojo!"
+    }
+  },
+  "hello_dio": "hello underscore DIO!",
+  "hello {name}": "hello {name}!",
+  "hello-dio": "hello hyphen DIO!"
+}

tests/fixtures/no-unused-keys/invalid/typescript-with-project-true/locales/ja.yaml

@@ -0,0 +1,9 @@
+hello: "ハローワールド"
+messages:
+  hello: "こんにちは、DIO！"
+  link: "@:message.hello"
+  nested:
+    hello: "こんにちは、ジョジョ!"
+hello_dio: "こんにちは、アンダースコア DIO！"
+"hello {name}": "こんにちは、{name}！"
+hello-dio: "こんにちは、ハイフン DIO！"

tests/fixtures/no-unused-keys/invalid/typescript-with-project-true/src/App.vue

@@ -0,0 +1,14 @@
+<template>
+  <div id="app">
+    <p v-t="'hello_dio'">{{ $t('messages.hello') }}</p>
+  </div>
+</template>
+
+<script lang="ts">
+export default {
+  name: 'App' as const,
+  created() {
+    this.$i18n.t('hello {name}', { name: 'DIO' })
+  }
+}
+</script>

tests/fixtures/no-unused-keys/invalid/typescript-with-project-true/src/main.ts

@@ -0,0 +1,2 @@
+const $t = (a:any) => {}
+$t('hello')

tests/lib/rules/no-unused-keys.ts

@@ -3324,6 +3324,241 @@ messages:
   nested: {}
 hello_dio: "こんにちは、アンダースコア DIO！"
 "hello {name}": "こんにちは、{name}！"
+`
+                }
+              ]
+            }
+          ]
+        }
+      }
+    ),
+    ...getTestCasesFromFixtures(
+      {
+        eslint: '>=8',
+        cwd: join(cwdRoot, './invalid/typescript-with-project-true'),
+        localeDir: {
+          pattern: `./locales/*.{json,yaml,yml}`,
+          localeKey: 'file'
+        },
+        options: [
+          {
+            src: './src',
+            extensions: ['.tsx', '.ts', '.vue'],
+            enableFix: true
+          }
+        ],
+        languageOptions: {
+          parser: tsParser
+        }
+      },
+      {
+        'src/App.vue': true,
+        'locales/en.json': {
+          output: `{
+  "hello": "hello world",
+  "messages": {
+    "hello": "hi DIO!",
+    "nested": {
+    }
+  },
+  "hello_dio": "hello underscore DIO!",
+  "hello {name}": "hello {name}!"
+}
+`,
+          errors: [
+            {
+              message: "unused 'messages.link' key",
+              suggestions: [
+                {
+                  desc: "Remove the 'messages.link' key.",
+                  output: `{
+  "hello": "hello world",
+  "messages": {
+    "hello": "hi DIO!",
+    "nested": {
+      "hello": "hi jojo!"
+    }
+  },
+  "hello_dio": "hello underscore DIO!",
+  "hello {name}": "hello {name}!",
+  "hello-dio": "hello hyphen DIO!"
+}
+`
+                },
+                {
+                  desc: 'Remove all unused keys.',
+                  output: `{
+  "hello": "hello world",
+  "messages": {
+    "hello": "hi DIO!",
+    "nested": {
+    }
+  },
+  "hello_dio": "hello underscore DIO!",
+  "hello {name}": "hello {name}!"
+}
+`
+                }
+              ]
+            },
+            {
+              message: "unused 'messages.nested.hello' key",
+              suggestions: [
+                {
+                  desc: "Remove the 'messages.nested.hello' key.",
+                  output: `{
+  "hello": "hello world",
+  "messages": {
+    "hello": "hi DIO!",
+    "link": "@:message.hello",
+    "nested": {
+    }
+  },
+  "hello_dio": "hello underscore DIO!",
+  "hello {name}": "hello {name}!",
+  "hello-dio": "hello hyphen DIO!"
+}
+`
+                },
+                {
+                  desc: 'Remove all unused keys.',
+                  output: `{
+  "hello": "hello world",
+  "messages": {
+    "hello": "hi DIO!",
+    "nested": {
+    }
+  },
+  "hello_dio": "hello underscore DIO!",
+  "hello {name}": "hello {name}!"
+}
+`
+                }
+              ]
+            },
+            {
+              message: "unused 'hello-dio' key",
+              suggestions: [
+                {
+                  desc: "Remove the 'hello-dio' key.",
+                  output: `{
+  "hello": "hello world",
+  "messages": {
+    "hello": "hi DIO!",
+    "link": "@:message.hello",
+    "nested": {
+      "hello": "hi jojo!"
+    }
+  },
+  "hello_dio": "hello underscore DIO!",
+  "hello {name}": "hello {name}!"
+}
+`
+                },
+                {
+                  desc: 'Remove all unused keys.',
+                  output: `{
+  "hello": "hello world",
+  "messages": {
+    "hello": "hi DIO!",
+    "nested": {
+    }
+  },
+  "hello_dio": "hello underscore DIO!",
+  "hello {name}": "hello {name}!"
+}
+`
+                }
+              ]
+            }
+          ]
+        },
+        'locales/ja.yaml': {
+          output: `hello: "ハローワールド"
+messages:
+  hello: "こんにちは、DIO！"
+  nested: {}
+hello_dio: "こんにちは、アンダースコア DIO！"
+"hello {name}": "こんにちは、{name}！"
+`,
+          errors: [
+            {
+              message: "unused 'messages.link' key",
+              suggestions: [
+                {
+                  desc: "Remove the 'messages.link' key.",
+                  output: `hello: "ハローワールド"
+messages:
+  hello: "こんにちは、DIO！"
+  nested:
+    hello: "こんにちは、ジョジョ!"
+hello_dio: "こんにちは、アンダースコア DIO！"
+"hello {name}": "こんにちは、{name}！"
+hello-dio: "こんにちは、ハイフン DIO！"
+`
+                },
+                {
+                  desc: 'Remove all unused keys.',
+                  output: `hello: "ハローワールド"
+messages:
+  hello: "こんにちは、DIO！"
+  nested: {}
+hello_dio: "こんにちは、アンダースコア DIO！"
+"hello {name}": "こんにちは、{name}！"
+`
+                }
+              ]
+            },
+            {
+              message: "unused 'messages.nested.hello' key",
+              suggestions: [
+                {
+                  desc: "Remove the 'messages.nested.hello' key.",
+                  output: `hello: "ハローワールド"
+messages:
+  hello: "こんにちは、DIO！"
+  link: "@:message.hello"
+  nested: {}
+hello_dio: "こんにちは、アンダースコア DIO！"
+"hello {name}": "こんにちは、{name}！"
+hello-dio: "こんにちは、ハイフン DIO！"
+`
+                },
+                {
+                  desc: 'Remove all unused keys.',
+                  output: `hello: "ハローワールド"
+messages:
+  hello: "こんにちは、DIO！"
+  nested: {}
+hello_dio: "こんにちは、アンダースコア DIO！"
+"hello {name}": "こんにちは、{name}！"
+`
+                }
+              ]
+            },
+            {
+              message: "unused 'hello-dio' key",
+              suggestions: [
+                {
+                  desc: "Remove the 'hello-dio' key.",
+                  output: `hello: "ハローワールド"
+messages:
+  hello: "こんにちは、DIO！"
+  link: "@:message.hello"
+  nested:
+    hello: "こんにちは、ジョジョ!"
+hello_dio: "こんにちは、アンダースコア DIO！"
+"hello {name}": "こんにちは、{name}！"
+`
+                },
+                {
+                  desc: 'Remove all unused keys.',
+                  output: `hello: "ハローワールド"
+messages:
+  hello: "こんにちは、DIO！"
+  nested: {}
+hello_dio: "こんにちは、アンダースコア DIO！"
+"hello {name}": "こんにちは、{name}！"
 `
                 }
               ]