buble - npm Package Compare versions

Comparing version 0.11.6 to 0.12.0

CHANGELOG.md

 # buble changelog
 
+## 0.12.0
+
+* Support `u` flag in regular expression literals ([!62](https://gitlab.com/Rich-Harris/buble/merge_requests/62))
+* Save `buble/register` transformations to `$HOME/.buble-cache` ([!63](https://gitlab.com/Rich-Harris/buble/merge_requests/63))
+
 ## 0.11.6
@@ -4,0 +9,0 @@

package.json

 {
   "name": "buble",
-  "version": "0.11.6",
+  "version": "0.12.0",
   "description": "The blazing fast, batteries-included ES2015 compiler",
@@ -52,2 +52,3 @@ "main": "dist/buble.umd.js",
     "mocha": "^2.4.5",
+    "regexpu-core": "^2.0.0",
     "rimraf": "^2.5.2",
@@ -68,4 +69,5 @@ "rollup": "^0.26.3",
     "magic-string": "^0.14.0",
-    "minimist": "^1.2.0"
+    "minimist": "^1.2.0",
+    "os-homedir": "^1.0.1"
   }
 }

register.js

 var fs = require( 'fs' );
 var path = require( 'path' );
+var crypto = require( 'crypto' );
+var homedir = require( 'os-homedir' );
 var buble = require( './' );
@@ -9,7 +11,7 @@
 var nodeVersion = /(?:0\.)?\d+/.exec( process.version )[0];
-var versions = [ '0.10', '0.12', '4', '5' ];
+var versions = [ '0.10', '0.12', '4', '5', '6' ];
 
 if ( !~versions.indexOf( nodeVersion ) ) {
-	if ( +nodeVersion > 5 ) {
-		nodeVersion = 5;
+	if ( +nodeVersion > 6 ) {
+		nodeVersion = 6;
 	} else {
@@ -26,2 +28,21 @@ throw new Error( 'Unsupported version (' + nodeVersion + '). Please raise an issue at https://gitlab.com/Rich-Harris/buble/issues' );
 
+function mkdirp ( dir ) {
+	var parent = path.dirname( dir );
+	if ( dir === parent ) return;
+	mkdirp( parent );
+
+	try {
+		fs.mkdirSync( dir );
+	} catch ( err ) {
+		if ( err.code !== 'EEXIST' ) throw err;
+	}
+}
+
+var home = homedir();
+if ( home ) {
+	var cachedir = path.join( home, '.buble-cache', nodeVersion );
+	mkdirp( cachedir );
+	fs.writeFileSync( path.join( home, '.buble-cache/README.txt' ), 'These files enable a faster startup when using buble/register. You can safely delete this folder at any time. See https://buble.surge.sh/guide/ for more information.' );
+}
+
 require.extensions[ '.js' ] = function ( m, filename ) {
@@ -31,15 +52,35 @@ if ( nodeModulesPattern.test( filename ) ) return original( m, filename );
 	var source = fs.readFileSync( filename, 'utf-8' );
+	var hash = crypto.createHash( 'sha256' );
+	hash.update( source );
+	var key = hash.digest( 'hex' ) + '.json';
+	var cachepath = path.join( cachedir, key );
 
-	try {
-		var compiled = buble.transform( source, options );
-	} catch ( err ) {
-		if ( err.snippet ) {
-			console.log( 'Error compiling ' + filename + ':\n---' );
-			console.log( err.snippet );
-			console.log( err.message );
-			console.log( '' )
-			process.exit( 1 );
+	var compiled;
+
+	if ( cachedir ) {
+		try {
+			compiled = JSON.parse( fs.readFileSync( cachepath, 'utf-8' ) );
+		} catch ( err ) {
+			// noop
 		}
+	}
 
-		throw err;
+	if ( !compiled ) {
+		try {
+			compiled = buble.transform( source, options );
+
+			if ( cachedir ) {
+				fs.writeFileSync( cachepath, JSON.stringify( compiled ) );
+			}
+		} catch ( err ) {
+			if ( err.snippet ) {
+				console.log( 'Error compiling ' + filename + ':\n---' );
+				console.log( err.snippet );
+				console.log( err.message );
+				console.log( '' )
+				process.exit( 1 );
+			}
+
+			throw err;
+		}
 	}
@@ -46,0 +87,0 @@

src/program/types/Literal.js

 import Node from '../Node.js';
 import CompileError from '../../utils/CompileError.js';
+import rewritePattern from 'regexpu-core';
 
@@ -14,6 +15,10 @@ export default class Literal extends Node {
 		if ( this.regex ) {
-			if ( transforms.unicodeRegExp && /u/.test( this.regex.flags ) ) throw new CompileError( this, 'Regular expression unicode flag is not supported' );
-			if ( transforms.stickyRegExp && /y/.test( this.regex.flags ) ) throw new CompileError( this, 'Regular expression sticky flag is not supported' );
+			const { pattern, flags } = this.regex;
+
+			if ( transforms.stickyRegExp && /y/.test( flags ) ) throw new CompileError( this, 'Regular expression sticky flag is not supported' );
+			if ( transforms.unicodeRegExp && /u/.test( flags ) ) {
+				code.overwrite( this.start, this.end, `/${rewritePattern( pattern, flags )}/${flags.replace( 'u', '' )}` );
+			}
 		}
 	}
 }

New alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

High entropy strings

Supply chain risk

Contains high entropy strings. This could be a sign of encrypted data, leaked secrets or obfuscated code.

Found 1 instance in 1 package

Long strings

Supply chain risk

Contains long string literals, which may be a sign of obfuscated or packed code.

Found 1 instance in 1 package

Minified code

Quality

This package contains minified code. This may be harmless in some cases where minified code is included in packaged libraries, however packages on npm should not minify code.

Found 1 instance in 1 package

Fixed alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

2679354

increased by58.3%

Number of package files

78

increased by2.63%

Lines of code

25275

increased by59.1%

Worsened metrics

Dependency count

7

increased by16.67%

Dev dependency count

14

increased by7.69%

Number of low quality alerts

2

increased by100%

Number of low supply chain risk alerts

17

increased by183.33%

Dependency changes

• + Addedos-homedir@^1.0.1

• + Addedos-homedir@1.0.2(transitive)