buble - npm Package Compare versions

Comparing version 0.4.14 to 0.4.15

CHANGELOG.md

 # buble changelog
 
+## 0.4.15
+
+* Rewrite reserved properties if specified ([#9](https://gitlab.com/Rich-Harris/buble/issues/9))
+
 ## 0.4.14
@@ -4,0 +8,0 @@

package.json

 {
   "name": "buble",
-  "version": "0.4.14",
+  "version": "0.4.15",
   "description": "The blazing fast, batteries-included ES2015 compiler",
@@ -5,0 +5,0 @@ "main": "dist/buble.umd.js",

src/index.js

@@ -8,3 +8,5 @@ import { parse } from 'acorn/src/index.js';
 	const targets = Object.keys( target );
-	let bitmask = targets.length ? Math.pow( 2, 53 ) - 1 : 0;
+	let bitmask = targets.length ?
+		0b111111111111111111111111111111 :
+		0b100000000000000000000000000000;
 
@@ -11,0 +13,0 @@ Object.keys( target ).forEach( environment => {

src/program/Scope.js

 import extractNames from './extractNames.js';
+import reserved from '../utils/reserved.js';
 import CompileError from '../utils/CompileError.js';
 
-let reserved = Object.create( null );
-'do if in for let new try var case else enum eval null this true void with await break catch class const false super throw while yield delete export import public return static switch typeof default extends finally package private continue debugger function arguments interface protected implements instanceof'.split( ' ' )
-	.forEach( word => reserved[ word ] = true );
-
 export default function Scope ( options ) {
@@ -9,0 +6,0 @@ options = options || {};

src/program/types/Identifier.js

 import Node from '../Node.js';
+import reserved from '../../utils/reserved.js';
 import isReference from '../../utils/isReference.js';
@@ -41,3 +42,11 @@
 		}
+
+		if ( transforms.reservedProperties && reserved[ this.name ] ) {
+			const { type, object, property } = this.parent;
+			if ( type === 'MemberExpression' && this === property && !this.computed ) {
+				code.overwrite( object.end, this.start, `['` );
+				code.insert( this.end, `']` );
+			}
+		}
 	}
 }

src/program/types/Property.js

 import Node from '../Node.js';
+import reserved from '../../utils/reserved.js';
 import CompileError from '../../utils/CompileError.js';
@@ -22,4 +23,9 @@
 
+		if ( transforms.reservedProperties && reserved[ this.key.name ] ) {
+			code.insert( this.key.start, `'` );
+			code.insert( this.key.end, `'` );
+		}
+
 		super.transpile( code, transforms );
 	}
 }

src/support.js

 export const matrix = {
 	chrome: {
-		49: 0b01111111111100111111111111111
+		    48: 0b101111011111100111110101111101,
+		    49: 0b101111111111100111111111111111,
+		    50: 0b111111111111100111111111111111
 	},
+	firefox: {
+		    43: 0b100111111101100000110111011101,
+		    44: 0b100111111101100000110111011101,
+		    45: 0b100111111101100000110111011101
+	},
+	safari: {
+		     8: 0b100000000000000000000000000000,
+		     9: 0b101111001101100000011101011110
+	},
 	node: {
-		5:  0b01111000111100111111001111111
+		'0.10': 0b100000000101000000000001000000,
+		'0.12': 0b100001000101000000010001000100,
+		     4: 0b101111000111100111111001111111,
+		     5: 0b101111000111100111111001111111
 	}
@@ -39,3 +53,7 @@ };
 	'unicodeIdentifier',
-	'unicodeRegExp'
+	'unicodeRegExp',
+
+	// additional transforms, not from
+	// https://featuretests.io
+	'reservedProperties'
 ];

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Found 1 instance in 1 package

Fixed alerts

License Policy Violation

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Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

1894323

increased by0.39%

Number of package files

54

increased by1.89%

Lines of code

16189

increased by0.57%

No dependency changes