chore!: some trivial dependency major version updates

docs/migrations/migrate-from-v4.md

@@ -40,6 +40,14 @@ If you want to migrate manually and gradually, you can run `vue upgrade <the-plu
 
 ### The `vue` Command (The Global `@vue/cli` Package)
 
+### `@vue/cli-service`
+
+Updated several underlying loaders and plugins:
+
+* Updated `copy-webpack-plugin` from v5 to v6. If you never customized its config through `config.plugin('copy')`, there should be no user-facing breaking changes. A full list of breaking changes is available at <https://github.com/webpack-contrib/copy-webpack-plugin/releases/tag/v6.0.0>.
+* Updated `file-loader` from v4 to v6, and `url-loader` from v2 to v4. The `esModule` option is now turned on by default for non-Vue-2 projects. Full changelog available at <https://github.com/webpack-contrib/file-loader/blob/master/CHANGELOG.md> and <https://github.com/webpack-contrib/url-loader/blob/master/CHANGELOG.md>
+* Updated `terser-webpack-plugin` from v2 to v4, using terser 5 and some there are some changes in the options format. Full changelog at <https://github.com/webpack-contrib/terser-webpack-plugin/blob/master/CHANGELOG.md>
+
 ### ESLint Plugin
 
 * `eslint-loader` is upgraded [from v2 to v4](https://github.com/webpack-contrib/eslint-loader/blob/master/CHANGELOG.md). The only major change is that it dropped support for ESLint < v6.
@@ -48,6 +56,7 @@ If you want to migrate manually and gradually, you can run `vue upgrade <the-plu
 
 * Dropped TSLint support. As [TSLint has been deprecated](https://github.com/palantir/tslint/issues/4534), we [removed](https://github.com/vuejs/vue-cli/pull/5065) all TSLint-related code in this version.
 Please consider switching to ESLint. You can check out [`tslint-to-eslint-config`](https://github.com/typescript-eslint/tslint-to-eslint-config) for a mostly automatic migration experience.
+* Updated `ts-loader` from v6 to v8. It now only supports TypeScript >= 3.6.
 * Updated `fork-ts-checker-webpack-plugin` from v3.x to v5.x, you can see the detailed breaking changes at <https://github.com/TypeStrong/fork-ts-checker-webpack-plugin/releases/tag/v4.0.0> and <https://github.com/TypeStrong/fork-ts-checker-webpack-plugin/releases/tag/v5.0.0>
 
 ### E2E-Cypress Plugin

packages/@vue/cli-plugin-babel/package.json

@@ -25,7 +25,7 @@
     "@vue/cli-shared-utils": "^4.5.7",
     "babel-loader": "^8.1.0",
     "cache-loader": "^4.1.0",
-    "thread-loader": "^2.1.3",
+    "thread-loader": "^3.0.0",
     "webpack": "^4.0.0"
   },
   "peerDependencies": {

packages/@vue/cli-plugin-typescript/package.json

@@ -28,8 +28,8 @@
     "cache-loader": "^4.1.0",
     "fork-ts-checker-webpack-plugin": "^5.0.11",
     "globby": "^9.2.0",
-    "thread-loader": "^2.1.3",
-    "ts-loader": "^6.2.2",
+    "thread-loader": "^3.0.0",
+    "ts-loader": "^8.0.5",
     "webpack": "^4.0.0",
     "yorkie": "^2.0.0"
   },

packages/@vue/cli-service/lib/config/app.js

@@ -150,18 +150,15 @@ module.exports = (api, options) => {
     const multiPageConfig = options.pages
     const htmlPath = api.resolve('public/index.html')
     const defaultHtmlPath = path.resolve(__dirname, 'index-default.html')
-    const publicCopyIgnore = ['.DS_Store']
+    const publicCopyIgnore = ['**/.DS_Store']
 
     if (!multiPageConfig) {
       // default, single page setup.
       htmlOptions.template = fs.existsSync(htmlPath)
         ? htmlPath
         : defaultHtmlPath
 
-      publicCopyIgnore.push({
-        glob: path.relative(api.resolve('public'), api.resolve(htmlOptions.template)),
-        matchBase: false
-      })
+      publicCopyIgnore.push(api.resolve(htmlOptions.template).replace(/\\/g, '/'))
 
       webpackConfig
         .plugin('html')
@@ -225,10 +222,7 @@ module.exports = (api, options) => {
             ? htmlPath
             : defaultHtmlPath
 
-        publicCopyIgnore.push({
-          glob: path.relative(api.resolve('public'), api.resolve(templatePath)),
-          matchBase: false
-        })
+        publicCopyIgnore.push(api.resolve(templatePath).replace(/\\/g, '/'))
 
         // inject html plugin for the page
         const pageHtmlOptions = Object.assign(
@@ -295,12 +289,16 @@ module.exports = (api, options) => {
     if (!isLegacyBundle && fs.existsSync(publicDir)) {
       webpackConfig
         .plugin('copy')
-          .use(require('copy-webpack-plugin'), [[{
-            from: publicDir,
-            to: outputDir,
-            toType: 'dir',
-            ignore: publicCopyIgnore
-          }]])
+          .use(require('copy-webpack-plugin'), [{
+            patterns: [{
+              from: publicDir,
+              to: outputDir,
+              toType: 'dir',
+              globOptions: {
+                ignore: publicCopyIgnore
+              }
+            }]
+          }])
     }
   })
 }

packages/@vue/cli-service/lib/config/base.js

@@ -14,14 +14,24 @@ module.exports = (api, options) => {
       )
     }
 
+    // try to load vue in the project
+    // fallback to peer vue package in the instant prototyping environment
+    const vue = loadModule('vue', api.service.context) || loadModule('vue', __dirname)
+    let supportsEsModuleAsset = true
+    if (vue && semver.major(vue.version) === 2) {
+      supportsEsModuleAsset = false
+    }
+
     const genUrlLoaderOptions = dir => {
       return {
         limit: inlineLimit,
+        esModule: supportsEsModuleAsset,
         // use explicit fallback to avoid regression in url-loader>=1.1.0
         fallback: {
           loader: require.resolve('file-loader'),
           options: {
-            name: genAssetSubPath(dir)
+            name: genAssetSubPath(dir),
+            esModule: supportsEsModuleAsset
           }
         }
       }
@@ -69,10 +79,6 @@ module.exports = (api, options) => {
     // js is handled by cli-plugin-babel ---------------------------------------
 
     // vue-loader --------------------------------------------------------------
-    // try to load vue in the project
-    // fallback to peer vue package in the instant prototyping environment
-    const vue = loadModule('vue', api.service.context) || loadModule('vue', __dirname)
-
     if (vue && semver.major(vue.version) === 2) {
       // for Vue 2 projects
       const vueLoaderCacheConfig = api.genCacheConfig('vue-loader', {
@@ -170,7 +176,8 @@ module.exports = (api, options) => {
         .use('file-loader')
           .loader(require.resolve('file-loader'))
           .options({
-            name: genAssetSubPath('img')
+            name: genAssetSubPath('img'),
+            esModule: supportsEsModuleAsset
           })
 
     webpackConfig.module

packages/@vue/cli-service/package.json

@@ -46,14 +46,14 @@
     "cli-highlight": "^2.1.4",
     "clipboardy": "^2.3.0",
     "cliui": "^6.0.0",
-    "copy-webpack-plugin": "^5.1.1",
+    "copy-webpack-plugin": "^6.2.1",
     "css-loader": "^3.5.3",
     "cssnano": "^4.1.10",
     "debug": "^4.1.1",
     "default-gateway": "^6.0.2",
     "dotenv": "^8.2.0",
     "dotenv-expand": "^5.1.0",
-    "file-loader": "^4.2.0",
+    "file-loader": "^6.1.1",
     "fs-extra": "^7.0.1",
     "globby": "^9.2.0",
     "hash-sum": "^2.0.0",
@@ -68,8 +68,8 @@
     "portfinder": "^1.0.26",
     "postcss-loader": "^3.0.0",
     "ssri": "^8.0.0",
-    "terser-webpack-plugin": "^2.3.6",
-    "thread-loader": "^2.1.3",
+    "terser-webpack-plugin": "^4.2.3",
+    "thread-loader": "^3.0.0",
     "url-loader": "^2.2.0",
     "vue-loader": "^15.9.2",
     "vue-style-loader": "^4.1.2",