build: support null coalescing operator

Emmanuel Ogbizi · Emmanuel Ogbizi · commit fc5155bb7c17 · 2020-04-30T05:39:43.000-04:00
diff --git a/.babelrc b/.babelrc
@@ -1,3 +1,7 @@
 {
-    "presets": ["@babel/typescript"]
+    "presets": ["@babel/typescript"],
+    "plugins": [
+        "@babel/plugin-proposal-optional-chaining",
+        "@babel/plugin-proposal-nullish-coalescing-operator"
+    ]
 }
diff --git a/package.json b/package.json
@@ -87,6 +87,7 @@
     "devDependencies": {
         "@babel/cli": "^7.8.4",
         "@babel/core": "^7.9.0",
+        "@babel/plugin-proposal-nullish-coalescing-operator": "^7.8.3",
         "@babel/plugin-proposal-optional-chaining": "^7.9.0",
         "@babel/preset-env": "^7.9.5",
         "@babel/preset-typescript": "^7.9.0",
diff --git a/webpack.config.ts b/webpack.config.ts
@@ -15,7 +15,10 @@ const configuration: Configuration = {
                     loader: "babel-loader",
                     options: {
                         presets: ["@babel/preset-typescript"],
-                        plugins: ["@babel/plugin-proposal-optional-chaining"],
+                        plugins: [
+                            "@babel/plugin-proposal-optional-chaining",
+                            "@babel/plugin-proposal-nullish-coalescing-operator",
+                        ],
                     },
                 },
             },

Original file line number	Diff line number	Diff line change
`@@ -1,3 +1,7 @@`
`1`	`1`	`{`
`2`		`- "presets": ["@babel/typescript"]`
	`2`	`+ "presets": ["@babel/typescript"],`
	`3`	`+ "plugins": [`
	`4`	`+ "@babel/plugin-proposal-optional-chaining",`
	`5`	`+ "@babel/plugin-proposal-nullish-coalescing-operator"`
	`6`	`+ ]`
`3`	`7`	`}`