feat!: only support modern browsers

BREAKING CHANGE: import.meta support required. Baidu, QQ, UC, and KaiOs browsers not supported.

package.json

@@ -156,7 +156,6 @@
 		"@testing-library/cypress": "^8.0.3",
 		"@testing-library/user-event": "^14.2.0",
 		"@testing-library/vue": "^8.0.3",
-		"@vitejs/plugin-legacy": "^5.4.0",
 		"@vitejs/plugin-vue": "^5.0.4",
 		"@vue/compiler-sfc": "^3.4.27",
 		"@vue/vue3-jest": "^29.2.6",
@@ -201,7 +200,6 @@
 		"stylelint-config-standard-scss": "^13.1.0",
 		"stylelint-config-standard-vue": "^1.0.0",
 		"tailwindcss": "^3.4.3",
-		"terser": "^5.31.0",
 		"vite": "^5.2.11",
 		"vite-bundle-visualizer": "^1.2.1",
 		"vite-plugin-graphql-loader": "^3.0.1",
@@ -215,8 +213,7 @@
 		"npm": ">= 10.2.4"
 	},
 	"browserslist": [
-		"> 1%",
-		"last 2 versions",
-		"not ie <= 9"
+		"defaults and fully supports es6-module-dynamic-import",
+		"maintained node versions"
 	]
 }

vite.config.js

@@ -5,7 +5,6 @@ import vue from '@vitejs/plugin-vue';
 import GitRevisionPlugin from 'git-revision-webpack-plugin';
 import graphQLLoader from 'vite-plugin-graphql-loader';
 // import htmlPurge from 'vite-plugin-html-purgecss';
-import legacy from '@vitejs/plugin-legacy';
 import svgLoader from 'vite-svg-loader';
 import svgStore from 'vite-plugin-svg-store';
 import autoprefixer from 'autoprefixer';
@@ -84,8 +83,6 @@ export default defineConfig({
 		graphQLLoader(),
 		// this is supposed to be equivalent to mini-css-extract-plugin, not sure if that's true
 		// htmlPurge(),
-		// polyfill for older browsers. requires terser
-		legacy(),
 		// load svg files as vue components
 		svgLoader({
 			svgoConfig: {