Replace uglify-js with terser. (#27813)

package-lock.json

@@ -1550,6 +1550,12 @@
       "integrity": "sha1-+PeLdniYiO858gXNY39o5wISKyw=",
       "dev": true
     },
+    "buffer-from": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/buffer-from/-/buffer-from-1.1.1.tgz",
+      "integrity": "sha512-MQcXEUbCKtEo7bhqEs6560Hyd4XaovZlO/k9V3hjVUF/zwW7KBVdSK4gIt/bzwS9MbR5qob+F5jusZsb0YQK2A==",
+      "dev": true
+    },
     "buffer-indexof-polyfill": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/buffer-indexof-polyfill/-/buffer-indexof-polyfill-1.0.1.tgz",
@@ -8501,6 +8507,24 @@
         "urix": "^0.1.0"
       }
     },
+    "source-map-support": {
+      "version": "0.5.10",
+      "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.5.10.tgz",
+      "integrity": "sha512-YfQ3tQFTK/yzlGJuX8pTwa4tifQj4QS2Mj7UegOu8jAz59MqIiMGPXxQhVQiIMNzayuUSF/jEuVnfFF5JqybmQ==",
+      "dev": true,
+      "requires": {
+        "buffer-from": "^1.0.0",
+        "source-map": "^0.6.0"
+      },
+      "dependencies": {
+        "source-map": {
+          "version": "0.6.1",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
+          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
+          "dev": true
+        }
+      }
+    },
     "source-map-url": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/source-map-url/-/source-map-url-0.4.0.tgz",
@@ -9245,6 +9269,31 @@
         "execa": "^0.7.0"
       }
     },
+    "terser": {
+      "version": "3.16.1",
+      "resolved": "https://registry.npmjs.org/terser/-/terser-3.16.1.tgz",
+      "integrity": "sha512-JDJjgleBROeek2iBcSNzOHLKsB/MdDf+E/BOAJ0Tk9r7p9/fVobfv7LMJ/g/k3v9SXdmjZnIlFd5nfn/Rt0Xow==",
+      "dev": true,
+      "requires": {
+        "commander": "~2.17.1",
+        "source-map": "~0.6.1",
+        "source-map-support": "~0.5.9"
+      },
+      "dependencies": {
+        "commander": {
+          "version": "2.17.1",
+          "resolved": "https://registry.npmjs.org/commander/-/commander-2.17.1.tgz",
+          "integrity": "sha512-wPMUt6FnH2yzG95SA6mzjQOEKUU3aLaDEmzs1ti+1E9h+CsrZghRlqEM/EJ4KscsQVG8uNN4uVreUeT8+drlgg==",
+          "dev": true
+        },
+        "source-map": {
+          "version": "0.6.1",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
+          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
+          "dev": true
+        }
+      }
+    },
     "test-exclude": {
       "version": "5.1.0",
       "resolved": "https://registry.npmjs.org/test-exclude/-/test-exclude-5.1.0.tgz",
@@ -9460,6 +9509,7 @@
       "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.4.9.tgz",
       "integrity": "sha512-8CJsbKOtEbnJsTyv6LE6m6ZKniqMiFWmm9sRbopbkGs3gMPPfd3Fh8iIA4Ykv5MgaTbqHr4BaoGLJLZNhsrW1Q==",
       "dev": true,
+      "optional": true,
       "requires": {
         "commander": "~2.17.1",
         "source-map": "~0.6.1"
@@ -9469,13 +9519,15 @@
           "version": "2.17.1",
           "resolved": "https://registry.npmjs.org/commander/-/commander-2.17.1.tgz",
           "integrity": "sha512-wPMUt6FnH2yzG95SA6mzjQOEKUU3aLaDEmzs1ti+1E9h+CsrZghRlqEM/EJ4KscsQVG8uNN4uVreUeT8+drlgg==",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "source-map": {
           "version": "0.6.1",
           "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
           "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },

package.json

@@ -52,9 +52,9 @@
     "js-lint-docs": "eslint --cache --cache-location .cache/.eslintcache site/",
     "js-minify": "npm-run-all --parallel js-minify-main js-minify-docs",
     "js-minify-main": "npm-run-all js-minify-standalone js-minify-bundle",
-    "js-minify-standalone": "uglifyjs --compress typeofs=false --mangle --comments \"/^!/\" --source-map \"content=dist/js/bootstrap.js.map,includeSources,url=bootstrap.min.js.map\" --output dist/js/bootstrap.min.js dist/js/bootstrap.js",
+    "js-minify-standalone": "terser --compress typeofs=false --mangle --comments \"/^!/\" --source-map \"content=dist/js/bootstrap.js.map,includeSources,url=bootstrap.min.js.map\" --output dist/js/bootstrap.min.js dist/js/bootstrap.js",
-    "js-minify-bundle": "uglifyjs --compress typeofs=false --mangle --comments \"/^!/\" --source-map \"content=dist/js/bootstrap.bundle.js.map,includeSources,url=bootstrap.bundle.min.js.map\" --output dist/js/bootstrap.bundle.min.js dist/js/bootstrap.bundle.js",
+    "js-minify-bundle": "terser --compress typeofs=false --mangle --comments \"/^!/\" --source-map \"content=dist/js/bootstrap.bundle.js.map,includeSources,url=bootstrap.bundle.min.js.map\" --output dist/js/bootstrap.bundle.min.js dist/js/bootstrap.bundle.js",
-    "js-minify-docs": "cross-env-shell uglifyjs --mangle --comments \\\"/^!/\\\" --output site/docs/$npm_package_version_short/assets/js/docs.min.js site/docs/$npm_package_version_short/assets/js/vendor/anchor.min.js site/docs/$npm_package_version_short/assets/js/vendor/clipboard.min.js site/docs/$npm_package_version_short/assets/js/vendor/bs-custom-file-input.min.js \"site/docs/$npm_package_version_short/assets/js/src/*.js\"",
+    "js-minify-docs": "cross-env-shell terser --mangle --comments \\\"/^!/\\\" --output site/docs/$npm_package_version_short/assets/js/docs.min.js site/docs/$npm_package_version_short/assets/js/vendor/anchor.min.js site/docs/$npm_package_version_short/assets/js/vendor/clipboard.min.js site/docs/$npm_package_version_short/assets/js/vendor/bs-custom-file-input.min.js \"site/docs/$npm_package_version_short/assets/js/src/*.js\"",
     "js-test": "npm-run-all js-test-karma* js-test-integration",
     "js-test-karma": "karma start js/tests/karma.conf.js",
     "js-test-karma-old": "cross-env USE_OLD_JQUERY=true npm run js-test-karma",
@@ -141,7 +141,7 @@
     "sinon": "^7.2.3",
     "stylelint": "^9.10.1",
     "stylelint-config-twbs-bootstrap": "^0.3.0",
-    "uglify-js": "^3.4.9",
+    "terser": "^3.16.1",
     "vnu-jar": "18.11.5"
   },
   "engines": {

site/docs/4.3/getting-started/build-tools.md

@@ -28,7 +28,7 @@ Our [package.json]({{ site.repo }}/blob/v{{ site.current_version }}/package.json
 
 | Task | Description |
 | --- | --- |
-| `npm run dist` | `npm run dist` creates the `/dist/` directory with compiled files. **Uses [Sass](https://sass-lang.com/), [Autoprefixer][autoprefixer], and [UglifyJS](https://github.com/mishoo/UglifyJS2).** |
+| `npm run dist` | `npm run dist` creates the `/dist/` directory with compiled files. **Uses [Sass](https://sass-lang.com/), [Autoprefixer][autoprefixer], and [terser](https://github.com/terser-js/terser).** |
 | `npm test` | Same as `npm run dist` plus it runs tests locally |
 | `npm run docs` | Builds and lints CSS and JavaScript for docs. You can then run the documentation locally via `npm run docs-serve`. |