调整 babel 使用姿势

winddies · winddies · commit c0971aeb945d · 2020-06-04T21:38:27.000+08:00
diff --git a/.babelrc b/.babelrc
@@ -3,12 +3,20 @@
     [
       "@babel/preset-env",
       {
-        "loose": true,
+        "useBuiltIns": "usage", // 在文件需要的位置单独按需引入 polyfill
         "targets": {
           "browsers": ["last 2 versions", "ie >= 8"]
         }
       }
     ]
   ],
-  "plugins": ["@babel/transform-runtime", "@babel/plugin-proposal-object-rest-spread"]
+  "plugins": [
+    [
+      "@babel/transform-runtime",
+      {
+        "corejs": 2
+      }
+    ],
+    "@babel/proposal-object-rest-spread"
+  ]
 }
diff --git a/package-lock.json b/package-lock.json
diff --git a/package.json b/package.json
@@ -36,7 +36,6 @@
     "@babel/preset-env": "^7.10.2",
     "babel-loader": "^8.1.0",
     "babel-plugin-syntax-flow": "^6.18.0",
-    "babel-runtime": "^6.26.0",
     "body-parser": "^1.18.2",
     "connect-multiparty": "^2.1.0",
     "es3ify-webpack-plugin": "^0.1.0",
@@ -56,5 +55,8 @@
     "webpack-dev-server": "^3.11.0",
     "webpack-merge": "^4.2.2"
   },
-  "license": "MIT"
+  "license": "MIT",
+  "dependencies": {
+    "@babel/runtime-corejs2": "^7.10.2"
+  }
 }

Original file line number	Diff line number	Diff line change
`@@ -3,12 +3,20 @@`
`3`	`3`	`[`
`4`	`4`	`"@babel/preset-env",`
`5`	`5`	`{`
`6`		`- "loose": true,`
	`6`	`+ "useBuiltIns": "usage", // 在文件需要的位置单独按需引入 polyfill`
`7`	`7`	`"targets": {`
`8`	`8`	`"browsers": ["last 2 versions", "ie >= 8"]`
`9`	`9`	`}`
`10`	`10`	`}`
`11`	`11`	`]`
`12`	`12`	`],`
`13`		`- "plugins": ["@babel/transform-runtime", "@babel/plugin-proposal-object-rest-spread"]`
	`13`	`+ "plugins": [`
	`14`	`+ [`
	`15`	`+ "@babel/transform-runtime",`
	`16`	`+ {`
	`17`	`+ "corejs": 2`
	`18`	`+ }`
	`19`	`+ ],`
	`20`	`+ "@babel/proposal-object-rest-spread"`
	`21`	`+ ]`
`14`	`22`	`}`