style: format code with StandardJS

This commit fixes the style issues introduced in b128031 according to the output
from StandardJS.

Details: None

babel.config.cjs

@@ -1,7 +1,7 @@
 module.exports = {
   presets: [
     '@babel/preset-env',
-    '@babel/preset-typescript',
+    '@babel/preset-typescript'
   ],
-  sourceMaps: 'inline',
-};
+  sourceMaps: 'inline'
+}

jest.config.mjs

@@ -1,29 +1,29 @@
 /** @type {import('jest').Config} */
 const config = {
   collectCoverage: true,
-  coverageDirectory: "coverage",
-  coverageProvider: "v8",
-  testEnvironment: "node",
+  coverageDirectory: 'coverage',
+  coverageProvider: 'v8',
+  testEnvironment: 'node',
   transform: {
-    '^.+\\.(js|jsx|ts|tsx)$': ['babel-jest', { 
+    '^.+\\.(js|jsx|ts|tsx)$': ['babel-jest', {
       sourceMaps: false,
       plugins: ['@babel/plugin-transform-modules-commonjs']
     }]
   },
-  moduleFileExtensions: ["js", "jsx", "ts", "tsx", "json", "node"],
+  moduleFileExtensions: ['js', 'jsx', 'ts', 'tsx', 'json', 'node'],
   testMatch: [
-    "**/__tests__/**/*.[jt]s?(x)",
-    "**/?(*.)+(spec|test).[tj]s?(x)"
+    '**/__tests__/**/*.[jt]s?(x)',
+    '**/?(*.)+(spec|test).[tj]s?(x)'
   ],
   collectCoverageFrom: [
-    "src/**/*.{js,jsx,ts,tsx}",
-    "!src/**/*.d.ts",
-    "!src/.vuepress/**/*",
-    "!**/node_modules/**"
+    'src/**/*.{js,jsx,ts,tsx}',
+    '!src/**/*.d.ts',
+    '!src/.vuepress/**/*',
+    '!**/node_modules/**'
   ],
   moduleNameMapper: {
-    "^@/(.*)$": "<rootDir>/src/$1"
+    '^@/(.*)$': '<rootDir>/src/$1'
   }
-};
+}
 
-export default config;
+export default config