Parse BigInts by default (#11117)

packages/babel-parser/src/tokenizer/index.js

@@ -996,11 +996,9 @@ export default class Tokenizer extends LocationParser {
       this.raise(this.state.start + 2, Errors.InvalidDigit, radix);
     }
 
-    if (this.hasPlugin("bigInt")) {
+    if (this.input.charCodeAt(this.state.pos) === charCodes.lowercaseN) {
-      if (this.input.charCodeAt(this.state.pos) === charCodes.lowercaseN) {
+      ++this.state.pos;
-        ++this.state.pos;
+      isBigInt = true;
-        isBigInt = true;
-      }
     }
 
     if (isIdentifierStart(this.input.codePointAt(this.state.pos))) {
@@ -1071,16 +1069,14 @@ export default class Tokenizer extends LocationParser {
       }
     }
 
-    if (this.hasPlugin("bigInt")) {
+    if (next === charCodes.lowercaseN) {
-      if (next === charCodes.lowercaseN) {
+      // disallow floats, legacy octal syntax and non octal decimals
-        // disallow floats, legacy octal syntax and non octal decimals
+      // new style octal ("0o") is handled in this.readRadixNumber
-        // new style octal ("0o") is handled in this.readRadixNumber
+      if (isFloat || octal || isNonOctalDecimalInt) {
-        if (isFloat || octal || isNonOctalDecimalInt) {
+        this.raise(start, "Invalid BigIntLiteral");
-          this.raise(start, "Invalid BigIntLiteral");
-        }
-        ++this.state.pos;
-        isBigInt = true;
       }
+      ++this.state.pos;
+      isBigInt = true;
     }
 
     if (isIdentifierStart(this.input.codePointAt(this.state.pos))) {

packages/babel-parser/test/fixtures/estree/bigInt/options.json

@@ -1,3 +1,3 @@
 {
-  "plugins": ["estree", "bigInt"]
+  "plugins": ["estree"]
 }

packages/babel-parser/test/fixtures/experimental/bigint/invalid-non-octal-decimal-int/options.json

@@ -1,3 +0,0 @@
-{
-  "plugins": ["bigInt"]
-}

packages/babel-parser/test/fixtures/experimental/bigint/options.json

@@ -1,3 +0,0 @@
-{
-  "plugins": ["bigInt"]
-}

packages/babel-parser/test/fixtures/experimental/numeric-separator/invalid-hex/options.json

@@ -1,3 +1,3 @@
 {
-  "plugins": ["bigInt", "numericSeparator"]
+  "plugins": ["numericSeparator"]
 }

packages/babel-parser/test/fixtures/experimental/numeric-separator/invalid-leading-zero/options.json

@@ -1,3 +1,3 @@
 {
-  "plugins": ["bigInt", "numericSeparator"]
+  "plugins": ["numericSeparator"]
 }

packages/babel-parser/test/fixtures/experimental/numeric-separator/invalid-legacy-octal-literal/options.json

@@ -1,3 +1,3 @@
 {
-  "plugins": ["bigInt", "numericSeparator"]
+  "plugins": ["numericSeparator"]
 }

packages/babel-parser/test/fixtures/experimental/numeric-separator/invalid-non-octal-decimal-int/options.json

@@ -1,3 +1,3 @@
 {
-  "plugins": ["bigInt", "numericSeparator"]
+  "plugins": ["numericSeparator"]
 }

packages/babel-parser/test/fixtures/experimental/numeric-separator/invalid-unicode-2/options.json

@@ -1,3 +1,3 @@
 {
-  "plugins": ["bigInt", "numericSeparator"]
+  "plugins": ["numericSeparator"]
 }

packages/babel-parser/test/fixtures/experimental/numeric-separator/invalid-unicode/options.json

@@ -1,3 +1,3 @@
 {
-  "plugins": ["bigInt", "numericSeparator"]
+  "plugins": ["numericSeparator"]
 }

packages/babel-parser/test/fixtures/experimental/numeric-separator/options.json

@@ -1,3 +1,3 @@
 {
-  "plugins": ["bigInt", "numericSeparator"]
+  "plugins": ["numericSeparator"]
 }