6to5 - npm Package Compare versions

Comparing version 1.10.10 to 1.10.11

bin/6to5/file.js

@@ -103,4 +103,4 @@ var sourceMap = require("source-map");
 
-    _.each(_filenames, function (filename, i) {
-      results.push(util.compile(filename, { _noStrict: +i !== 0 }));
+    _.each(_filenames, function (filename) {
+      results.push(util.compile(filename));
     });
@@ -107,0 +107,0 @@

lib/6to5/register.js

@@ -23,3 +23,40 @@ require("./polyfill");
 
+var blacklist  = [];
+
+var blacklistTest = function (transformer, code) {
+  try {
+    if (_.isFunction(code)) {
+      code();
+    } else {
+      new Function(code);
+    }
+    blacklist.push(transformer);
+  } catch (err) {
+    if (err.name !== "SyntaxError") throw err;
+  }
+};
+
+blacklistTest("arrayComprehension", "var foo = [for (foo of bar) foo * foo];");
+blacklistTest("arrowFunctions", "var foo = x => x * x;");
+blacklistTest("classes", "class Foo {}");
+blacklistTest("computedPropertyNames", "var foo = { [foo]: bar };");
+//blacklistTest("constants", "const foo = 0;");
+blacklistTest("defaultParamaters", "var foo = function (bar = 0) {};");
+blacklistTest("destructuring", "var { x, y } = { x: 0, y: 0 };");
+blacklistTest("forOf", "for (var foo of bar) {}");
+blacklistTest("generators", "function* foo() {}");
+blacklistTest("letScoping", "let foo = 0;");
+blacklistTest("modules", 'import foo from "from";');
+blacklistTest("propertyMethodAssignment", "{ get foo() {} }");
+blacklistTest("propertyNameShorthand", "var foo = { x, y };");
+blacklistTest("restParameters", "function foo(...bar) {}");
+blacklistTest("spread", "foo(...bar);");
+blacklistTest("templateLiterals", "`foo`");
+blacklistTest("unicodeRegex", function () { new RegExp("foo", "u"); });
+
+//
+
 var ignoreRegex = /node_modules/;
+var onlyRegex;
+var whitelist   = [];
 var exts        = {};
@@ -30,3 +67,3 @@ var maps        = {};
 var loader = function (m, filename) {
-  if (ignoreRegex && ignoreRegex.test(filename)) {
+  if ((ignoreRegex && ignoreRegex.test(filename)) || (onlyRegex && !onlyRegex.test(filename))) {
     return old.apply(this, arguments);
@@ -36,2 +73,4 @@ }
   var result = to5.transformFileSync(filename, {
+    whitelist: whitelist,
+    blacklist: blacklist,
     sourceMap: true
@@ -61,10 +100,14 @@ });
 module.exports = function (opts) {
+  // normalise options
   opts = opts || {};
-  if (_.isRegExp(opts)) opts = { ignoreRegex: opts };
+  if (_.isRegExp(opts)) opts = { ignore: opts };
+  opts.ignore = opts.ignore || opts.ignoreRegex;
 
-  if (opts.ignoreRegex != null) {
-    ignoreRegex = opts.ignoreRegex;
-  }
+  if (opts.only != null) onlyRegex = opts.only;
+  if (opts.ignore != null) ignoreRegex = opts.ignore;
 
   if (opts.extensions) hookExtensions(opts.extensions);
+
+  if (opts.blacklist) blacklist = opts.blacklist;
+  if (opts.whitelist) whitelist = opts.whitelist;
 };

lib/6to5/transform.js

@@ -106,5 +106,6 @@ module.exports = transform;
   _declarations:            require("./transformers/_declarations"),
-  _moduleFormatter:         require("./transformers/_module-formatter"),
 
-  useStrict:                require("./transformers/use-strict")
+  useStrict:                require("./transformers/use-strict"),
+
+  _moduleFormatter:         require("./transformers/_module-formatter")
 };
@@ -111,0 +112,0 @@

lib/6to5/transformers/classes.js

@@ -59,3 +59,3 @@ var traverse = require("../traverse");
 
-  buildClassBody(body, className, superName, node);
+  buildClassBody(file, body, className, superName, node);
 
@@ -67,3 +67,3 @@ body.push(returnStatement);
 
-var buildClassBody = function (body, className, superName, node) {
+var buildClassBody = function (file, body, className, superName, node) {
   var instanceMutatorMap = {};
@@ -110,2 +110,5 @@ var staticMutatorMap   = {};
 
+  var instanceProps;
+  var staticProps;
+
   if (!_.isEmpty(instanceMutatorMap)) {
@@ -116,8 +119,17 @@ var protoId = util.template("prototype-identifier", {
 
-    body.push(util.buildDefineProperties(instanceMutatorMap, protoId));
+    instanceProps = util.buildDefineProperties(instanceMutatorMap, protoId);
   }
 
   if (!_.isEmpty(staticMutatorMap)) {
-    body.push(util.buildDefineProperties(staticMutatorMap, className));
+    staticProps = util.buildDefineProperties(staticMutatorMap, className);
   }
+
+  if (instanceProps || staticProps) {
+    instanceProps = instanceProps || b.literal(null);
+    staticProps = staticProps || b.literal(null);
+
+    body.push(b.expressionStatement(
+      b.callExpression(file.addDeclaration("class-props"), [className, staticProps, instanceProps])
+    ));
+  }
 };
@@ -124,0 +136,0 @@

lib/6to5/transformers/property-method-assignment.js

@@ -27,4 +27,7 @@ var util = require("../util");
     OBJECT: node,
-    CONTENT: util.buildDefineProperties(mutatorMap, objId).expression
+    CONTENT: util.template("object-define-properties", {
+      OBJECT: objId,
+      PROPS:  util.buildDefineProperties(mutatorMap)
+    })
   });
 };

lib/6to5/transformers/use-strict.js

 var b = require("acorn-ast-types").builders;
 
-module.exports = function (ast, file) {
+module.exports = function (ast) {
   var body = ast.program.body;
@@ -10,7 +10,4 @@ var first = body[0];
   if (noStrict) {
-    if (file.opts._noStrict) return;
     body.unshift(b.expressionStatement(b.literal("use strict")));
-  } else {
-    if (file.opts._noStrict) body.shift();
   }
 };

lib/6to5/util.js

@@ -150,3 +150,3 @@ var traverse = require("./traverse");
 
-exports.buildDefineProperties = function (mutatorMap, keyNode) {
+exports.buildDefineProperties = function (mutatorMap) {
   var objExpr = b.objectExpression([]);
@@ -168,6 +168,3 @@
 
-  return exports.template("object-define-properties", {
-    OBJECT: keyNode,
-    PROPS: objExpr
-  }, true);
+  return objExpr;
 };
@@ -174,0 +171,0 @@

package.json

 {
   "name": "6to5",
   "description": "Turn ES6 code into readable vanilla ES5 with source maps",
-  "version": "1.10.10",
+  "version": "1.10.11",
   "author": "Sebastian McKenzie <[e-mail]>",
@@ -62,4 +62,5 @@ "homepage": "https://github.com/sebmck/6to5",
     "rimraf": "2.2.8",
-    "jshint": "2.5.6"
+    "jshint": "2.5.6",
+    "chai": "^1.9.2"
   }
 }

templates.json

@@ -1,1 +0,1 @@
-{"arguments-slice-assign-arg":{"type":"Program","start":0,"end":57,"body":[{"type":"VariableDeclaration","start":0,"end":57,"declarations":[{"type":"VariableDeclarator","start":4,"end":56,"id":{"type":"Identifier","start":4,"end":17,"name":"VARIABLE_NAME"},"init":{"type":"CallExpression","start":20,"end":56,"callee":{"type":"MemberExpression","start":20,"end":34,"object":{"type":"Identifier","start":20,"end":29,"name":"SLICE_KEY"},"property":{"type":"Identifier","start":30,"end":34,"name":"call"},"computed":false},"arguments":[{"type":"Identifier","start":35,"end":44,"name":"arguments"},{"type":"Identifier","start":46,"end":55,"name":"SLICE_ARG"}]}}],"kind":"var"}]},"arguments-slice-assign":{"type":"Program","start":0,"end":46,"body":[{"type":"VariableDeclaration","start":0,"end":46,"declarations":[{"type":"VariableDeclarator","start":4,"end":45,"id":{"type":"Identifier","start":4,"end":17,"name":"VARIABLE_NAME"},"init":{"type":"CallExpression","start":20,"end":45,"callee":{"type":"MemberExpression","start":20,"end":34,"object":{"type":"Identifier","start":20,"end":29,"name":"SLICE_KEY"},"property":{"type":"Identifier","start":30,"end":34,"name":"call"},"computed":false},"arguments":[{"type":"Identifier","start":35,"end":44,"name":"arguments"}]}}],"kind":"var"}]},"arguments-slice":{"type":"Program","start":0,"end":26,"body":[{"type":"ExpressionStatement","start":0,"end":26,"expression":{"type":"CallExpression","start":0,"end":25,"callee":{"type":"MemberExpression","start":0,"end":14,"object":{"type":"Identifier","start":0,"end":9,"name":"SLICE_KEY"},"property":{"type":"Identifier","start":10,"end":14,"name":"call"},"computed":false},"arguments":[{"type":"Identifier","start":15,"end":24,"name":"arguments"}]}}]},"array-comprehension-container":{"type":"Program","start":0,"end":51,"body":[{"type":"ExpressionStatement","start":0,"end":51,"expression":{"type":"CallExpression","start":0,"end":50,"callee":{"type":"FunctionExpression","start":1,"end":47,"id":null,"params":[],"defaults":[],"rest":null,"generator":false,"body":{"type":"BlockStatement","start":13,"end":47,"body":[{"type":"VariableDeclaration","start":17,"end":30,"declarations":[{"type":"VariableDeclarator","start":21,"end":29,"id":{"type":"Identifier","start":21,"end":24,"name":"KEY"},"init":{"type":"ArrayExpression","start":27,"end":29,"elements":[]}}],"kind":"var"},{"type":"ReturnStatement","start":34,"end":45,"argument":{"type":"Identifier","start":41,"end":44,"name":"KEY"}}]},"expression":false},"arguments":[]}}]},"array-comprehension-filter":{"type":"Program","start":0,"end":94,"body":[{"type":"ExpressionStatement","start":0,"end":94,"expression":{"type":"CallExpression","start":0,"end":93,"callee":{"type":"MemberExpression","start":0,"end":53,"object":{"type":"CallExpression","start":0,"end":49,"callee":{"type":"MemberExpression","start":0,"end":12,"object":{"type":"Identifier","start":0,"end":5,"name":"ARRAY"},"property":{"type":"Identifier","start":6,"end":12,"name":"filter"},"computed":false},"arguments":[{"type":"FunctionExpression","start":13,"end":48,"id":null,"params":[{"type":"Identifier","start":23,"end":26,"name":"KEY"}],"defaults":[],"rest":null,"generator":false,"body":{"type":"BlockStatement","start":28,"end":48,"body":[{"type":"ReturnStatement","start":32,"end":46,"argument":{"type":"Identifier","start":39,"end":45,"name":"FILTER"}}]},"expression":false}]},"property":{"type":"Identifier","start":50,"end":53,"name":"map"},"computed":false},"arguments":[{"type":"FunctionExpression","start":54,"end":92,"id":null,"params":[{"type":"Identifier","start":64,"end":67,"name":"KEY"}],"defaults":[],"rest":null,"generator":false,"body":{"type":"BlockStatement","start":69,"end":92,"body":[{"type":"ReturnStatement","start":73,"end":90,"argument":{"type":"Identifier","start":80,"end":89,"name":"STATEMENT"}}]},"expression":false}]}}]},"array-comprehension-for-each":{"type":"Program","start":0,"end":35,"body":[{"type":"ExpressionStatement","start":0,"end":35,"expression":{"type":"CallExpression","start":0,"end":34,"callee":{"type":"MemberExpression","start":0,"end":13,"object":{"type":"Identifier","start":0,"end":5,"name":"ARRAY"},"property":{"type":"Identifier","start":6,"end":13,"name":"forEach"},"computed":false},"arguments":[{"type":"FunctionExpression","start":14,"end":33,"id":null,"params":[{"type":"Identifier","start":24,"end":27,"name":"KEY"}],"defaults":[],"rest":null,"generator":false,"body":{"type":"BlockStatement","start":29,"end":33,"body":[]},"expression":false}]}}]},"array-comprehension-map":{"type":"Program","start":0,"end":50,"body":[{"type":"ExpressionStatement","start":0,"end":50,"expression":{"type":"CallExpression","start":0,"end":49,"callee":{"type":"MemberExpression","start":0,"end":9,"object":{"type":"Identifier","start":0,"end":5,"name":"ARRAY"},"property":{"type":"Identifier","start":6,"end":9,"name":"map"},"computed":false},"arguments":[{"type":"FunctionExpression","start":10,"end":48,"id":null,"params":[{"type":"Identif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