Added jsescOptions to Numeric Literals

packages/babel-generator/src/generators/types.js

@@ -120,13 +120,31 @@ export function NullLiteral() {
 
 export function NumericLiteral(node: Object) {
   const raw = this.getPossibleRaw(node);
+  const opts = this.format.jsescOption;
   const value = node.value + "";
   if (raw == null) {
-    this.number(value); // normalize
+    //normalize
+    if (this.format.jsescOption.numbers) {
+      this.number(jsesc(parseInt(value), opts));
+    } else {
+      this.number(value);
+    }
   } else if (this.format.minified) {
-    this.number(raw.length < value.length ? raw : value);
+    if (this.format.jsescOption.numbers) {
+      this.number(
+        raw.length < value.length
+          ? jsesc(parseInt(raw), opts)
+          : jsesc(parseInt(value), opts),
+      );
+    } else {
+      this.number(raw.length < value.length ? raw : value);
+    }
   } else {
-    this.number(raw);
+    if (this.format.jsescOption.numbers) {
+      this.number(jsesc(parseInt(raw), opts));
+    } else {
+      this.number(raw);
+    }
   }
 }
 

packages/babel-generator/test/fixtures/escapes/numeric-literals/input.js

@@ -0,0 +1 @@
+let x = 42

packages/babel-generator/test/fixtures/escapes/numeric-literals/options.json

@@ -0,0 +1,6 @@
+{
+  "jsescOption": {
+    "numbers": "hexadecimal",
+    "lowercaseHex": true
+  }
+}

packages/babel-generator/test/fixtures/escapes/numeric-literals/output.js

@@ -0,0 +1 @@
+let x = 0x2a;