vitestの設定

$ yarn add -D vitest

code:vite.config.ts

+ /// /// <reference types="vitest" />

import { defineConfig } from "vite";

import react from "@vitejs/plugin-react";

export default defineConfig({

+ test: {

+ globals: true,

+ environment: "jsdom",

+ },

});

$ yarn vitest run

viteを使っていいない場合

code:vitest.confg.ts

import { configDefaults, defineConfig } from 'vitest/config'

export default defineConfig({

test: {

},

})

$ yarn vitest run --config ./path/to/vitest.config.ts