6to5-core - npm Package Compare versions

Comparing version 3.6.1 to 3.6.2

lib/6to5/transformation/transformers/other/self-contained.js

@@ -43,11 +43,11 @@ "use strict";
 
-      if (node.arguments.length) return;
-
       var callee = node.callee;
-      if (!t.isMemberExpression(callee)) return;
-      if (!callee.computed) return;
+      if (node.arguments.length) return false;
 
+      if (!t.isMemberExpression(callee)) return false;
+      if (!callee.computed) return false;
+
       prop = callee.property;
-      if (!t.isIdentifier(prop.object, { name: "Symbol" })) return;
-      if (!t.isIdentifier(prop.property, { name: "iterator" })) return;
+      if (!t.isIdentifier(prop.object, { name: "Symbol" })) return false;
+      if (!t.isIdentifier(prop.property, { name: "iterator" })) return false;
 
@@ -58,2 +58,16 @@ return util.template("corejs-iterator", {
       });
+    } else if (t.isBinaryExpression(node)) {
+      // Symbol.iterator in arr -> core.$for.isIterable(arr)
+
+      if (node.operator !== "in") return;
+
+      var left = node.left;
+      if (!t.isMemberExpression(left)) return;
+      if (!t.isIdentifier(left.object, { name: "Symbol" })) return;
+      if (!t.isIdentifier(left.property, { name: "iterator" })) return;
+
+      return util.template("corejs-is-iterator", {
+        CORE_ID: file.get("coreIdentifier"),
+        VALUE:   node.right
+      });
     }
@@ -88,5 +102,5 @@ }
 exports.Identifier = function (node, parent, scope, file) {
-  if (node.name === "regeneratorRuntime" && t.isReferenced(node, parent)) {
+  if (t.isReferencedIdentifier(node, parent, { name: "regeneratorRuntime" })) {
     return file.get("regeneratorIdentifier");
   }
 };

lib/6to5/traversal/scope.js

@@ -421,3 +421,3 @@ "use strict";
       state.addGlobal(node);
-    } else if (t.isAssignmentExpression(node) || t.isUpdateExpression(node)) {
+    } else if (t.isAssignmentExpression(node) || t.isUpdateExpression(node) || (t.isUnaryExpression(node) && node.operator === "delete")) {
       scope.registerBindingReassignment(node);
@@ -424,0 +424,0 @@ }

lib/6to5/types/index.js

@@ -611,2 +611,3 @@ "use strict";
 t.getBindingIdentifiers.keys = {
+  UnaryExpression: ["argument"],
   AssignmentExpression: ["left"],
@@ -613,0 +614,0 @@ ImportBatchSpecifier: ["name"],

package.json

 {
   "name": "6to5-core",
   "description": "Turn ES6 code into readable vanilla ES5 with source maps",
-  "version": "3.6.1",
+  "version": "3.6.2",
   "author": "Sebastian McKenzie <[e-mail]>",
@@ -6,0 +6,0 @@ "homepage": "https://6to5.org/",

runtime.js

@@ -1,1 +0,1 @@
-(function(global){var to5Runtime=global.to5Runtime={};to5Runtime.inherits=function(subClass,superClass){if(typeof superClass!=="function"&&superClass!==null){throw new TypeError("Super expression must either be null or a function, not "+typeof superClass)}subClass.prototype=Object.create(superClass&&superClass.prototype,{constructor:{value:subClass,enumerable:false,writable:true,configurable:true}});if(superClass)subClass.__proto__=superClass};to5Runtime.defaults=function(obj,defaults){var keys=Object.getOwnPropertyNames(defaults);for(var i=0;i<keys.length;i++){var key=keys[i];var value=Object.getOwnPropertyDescriptor(defaults,key);if(value&&value.configurable&&obj[key]===undefined){Object.defineProperty(obj,key,value)}}return obj};to5Runtime.prototypeProperties=function(child,staticProps,instanceProps){if(staticProps)Object.defineProperties(child,staticProps);if(instanceProps)Object.defineProperties(child.prototype,instanceProps)};to5Runtime.applyConstructor=function(Constructor,args){var instance=Object.create(Constructor.prototype);var result=Constructor.apply(instance,args);return result!=null&&(typeof result=="object"||typeof result=="function")?result:instance};to5Runtime.taggedTemplateLiteral=function(strings,raw){return Object.freeze(Object.defineProperties(strings,{raw:{value:Object.freeze(raw)}}))};to5Runtime.taggedTemplateLiteralLoose=function(strings,raw){strings.raw=raw;return strings};to5Runtime.interopRequire=function(obj){return obj&&obj.__esModule?obj.default:obj};to5Runtime.toArray=function(arr){return Array.isArray(arr)?arr:Array.from(arr)};to5Runtime.toConsumableArray=function(arr){if(Array.isArray(arr)){for(var i=0,arr2=Array(arr.length);i<arr.length;i++)arr2[i]=arr[i];return arr2}else{return Array.from(arr)}};to5Runtime.slicedToArray=function(arr,i){if(!arr||!arr[Symbol.iterator]){throw new TypeError("Invalid attempt to destructure non-iterable instance")}else if(Array.isArray(arr)){return arr}else{var _arr=[];for(var _iterator=arr[Symbol.iterator](),_step;!(_step=_iterator.next()).done;){_arr.push(_step.value);if(i&&_arr.length===i)break}return _arr}};to5Runtime.objectWithoutProperties=function(obj,keys){var target={};for(var i in obj){if(keys.indexOf(i)>=0)continue;if(!Object.prototype.hasOwnProperty.call(obj,i))continue;target[i]=obj[i]}return target};to5Runtime.hasOwn=Object.prototype.hasOwnProperty;to5Runtime.slice=Array.prototype.slice;to5Runtime.bind=Function.prototype.bind;to5Runtime.defineProperty=function(obj,key,value){return Object.defineProperty(obj,key,{value:value,enumerable:true,configurable:true,writable:true})};to5Runtime.asyncToGenerator=function(fn){return function(){var gen=fn.apply(this,arguments);return new Promise(function(resolve,reject){var callNext=step.bind(null,"next");var callThrow=step.bind(null,"throw");function step(key,arg){try{var info=gen[key](arg);var value=info.value}catch(error){reject(error);return}if(info.done){resolve(value)}else{Promise.resolve(value).then(callNext,callThrow)}}callNext()})}};to5Runtime.interopRequireWildcard=function(obj){return obj&&obj.__esModule?obj:{"default":obj}};to5Runtime._typeof=function(obj){return obj&&obj.constructor===Symbol?"symbol":typeof obj};to5Runtime._extends=Object.assign||function(target){for(var i=1;i<arguments.length;i++){var source=arguments[i];for(var key in source){if(Object.prototype.hasOwnProperty.call(source,key)){target[key]=source[key]}}}return target};to5Runtime.get=function get(object,property,receiver){var desc=Object.getOwnPropertyDescriptor(object,property);if(desc===undefined){var parent=Object.getPrototypeOf(object);if(parent===null){return undefined}else{return get(parent,property,receiver)}}else if("value"in desc&&desc.writable){return desc.value}else{var getter=desc.get;if(getter===undefined){return undefined}return getter.call(receiver)}};to5Runtime.set=function set(object,property,value,receiver){var desc=Object.getOwnPropertyDescriptor(object,property);if(desc===undefined){var parent=Object.getPrototypeOf(object);if(parent!==null){return set(parent,property,value,receiver)}}else if("value"in desc&&desc.writable){return desc.value=value}else{var setter=desc.set;if(setter!==undefined){return setter.call(receiver,value)}}};to5Runtime.classCallCheck=function(instance,Constructor){if(!(instance instanceof Constructor)){throw new TypeError("Cannot call a class as a function")}};to5Runtime.objectDestructuringEmpty=function(obj){if(obj==null)throw new TypeError("Cannot destructure undefined")};to5Runtime.temporalUndefined={};to5Runtime.temporalAssertDefined=function(val,name,undef){if(val===undef){throw new ReferenceError(name+" is not defined - temporal dead zone")}return true};to5Runtime.tailCall=function(){function Tail(func,args,context){this.func=func;this.args=args;this.context=context}Tail.prototype._isTailDescriptor=true;var isRunning=false;return function(func,args,context){var result=new Tail(func,args,context);if(!isRunning){isRunning=true;do{result=result.func.apply(result.context,result.args)}while(result instanceof Tail||result&&result._isTailDescriptor);isRunning=false}return result}}()})(typeof global==="undefined"?self:global);
+(function(global){var to5Runtime=global.to5Runtime={};to5Runtime.inherits=function(subClass,superClass){if(typeof superClass!=="function"&&superClass!==null){throw new TypeError("Super expression must either be null or a function, not "+typeof superClass)}subClass.prototype=Object.create(superClass&&superClass.prototype,{constructor:{value:subClass,enumerable:false,writable:true,configurable:true}});if(superClass)subClass.__proto__=superClass};to5Runtime.defaults=function(obj,defaults){var keys=Object.getOwnPropertyNames(defaults);for(var i=0;i<keys.length;i++){var key=keys[i];var value=Object.getOwnPropertyDescriptor(defaults,key);if(value&&value.configurable&&obj[key]===undefined){Object.defineProperty(obj,key,value)}}return obj};to5Runtime.prototypeProperties=function(child,staticProps,instanceProps){if(staticProps)Object.defineProperties(child,staticProps);if(instanceProps)Object.defineProperties(child.prototype,instanceProps)};to5Runtime.applyConstructor=function(Constructor,args){var instance=Object.create(Constructor.prototype);var result=Constructor.apply(instance,args);return result!=null&&(typeof result=="object"||typeof result=="function")?result:instance};to5Runtime.taggedTemplateLiteral=function(strings,raw){return Object.freeze(Object.defineProperties(strings,{raw:{value:Object.freeze(raw)}}))};to5Runtime.taggedTemplateLiteralLoose=function(strings,raw){strings.raw=raw;return strings};to5Runtime.interopRequire=function(obj){return obj&&obj.__esModule?obj.default:obj};to5Runtime.toArray=function(arr){return Array.isArray(arr)?arr:Array.from(arr)};to5Runtime.toConsumableArray=function(arr){if(Array.isArray(arr)){for(var i=0,arr2=Array(arr.length);i<arr.length;i++)arr2[i]=arr[i];return arr2}else{return Array.from(arr)}};to5Runtime.slicedToArray=function(arr,i){if(Array.isArray(arr)){return arr}else if(Symbol.iterator in Object(arr)){var _arr=[];for(var _iterator=arr[Symbol.iterator](),_step;!(_step=_iterator.next()).done;){_arr.push(_step.value);if(i&&_arr.length===i)break}return _arr}else{throw new TypeError("Invalid attempt to destructure non-iterable instance")}};to5Runtime.objectWithoutProperties=function(obj,keys){var target={};for(var i in obj){if(keys.indexOf(i)>=0)continue;if(!Object.prototype.hasOwnProperty.call(obj,i))continue;target[i]=obj[i]}return target};to5Runtime.hasOwn=Object.prototype.hasOwnProperty;to5Runtime.slice=Array.prototype.slice;to5Runtime.bind=Function.prototype.bind;to5Runtime.defineProperty=function(obj,key,value){return Object.defineProperty(obj,key,{value:value,enumerable:true,configurable:true,writable:true})};to5Runtime.asyncToGenerator=function(fn){return function(){var gen=fn.apply(this,arguments);return new Promise(function(resolve,reject){var callNext=step.bind(null,"next");var callThrow=step.bind(null,"throw");function step(key,arg){try{var info=gen[key](arg);var value=info.value}catch(error){reject(error);return}if(info.done){resolve(value)}else{Promise.resolve(value).then(callNext,callThrow)}}callNext()})}};to5Runtime.interopRequireWildcard=function(obj){return obj&&obj.__esModule?obj:{"default":obj}};to5Runtime._typeof=function(obj){return obj&&obj.constructor===Symbol?"symbol":typeof obj};to5Runtime._extends=Object.assign||function(target){for(var i=1;i<arguments.length;i++){var source=arguments[i];for(var key in source){if(Object.prototype.hasOwnProperty.call(source,key)){target[key]=source[key]}}}return target};to5Runtime.get=function get(object,property,receiver){var desc=Object.getOwnPropertyDescriptor(object,property);if(desc===undefined){var parent=Object.getPrototypeOf(object);if(parent===null){return undefined}else{return get(parent,property,receiver)}}else if("value"in desc&&desc.writable){return desc.value}else{var getter=desc.get;if(getter===undefined){return undefined}return getter.call(receiver)}};to5Runtime.set=function set(object,property,value,receiver){var desc=Object.getOwnPropertyDescriptor(object,property);if(desc===undefined){var parent=Object.getPrototypeOf(object);if(parent!==null){return set(parent,property,value,receiver)}}else if("value"in desc&&desc.writable){return desc.value=value}else{var setter=desc.set;if(setter!==undefined){return setter.call(receiver,value)}}};to5Runtime.classCallCheck=function(instance,Constructor){if(!(instance instanceof Constructor)){throw new TypeError("Cannot call a class as a function")}};to5Runtime.objectDestructuringEmpty=function(obj){if(obj==null)throw new TypeError("Cannot destructure undefined")};to5Runtime.temporalUndefined={};to5Runtime.temporalAssertDefined=function(val,name,undef){if(val===undef){throw new ReferenceError(name+" is not defined - temporal dead zone")}return true};to5Runtime.tailCall=function(){function Tail(func,args,context){this.func=func;this.args=args;this.context=context}Tail.prototype._isTailDescriptor=true;var isRunning=false;return function(func,args,context){var result=new Tail(func,args,context);if(!isRunning){isRunning=true;do{result=result.func.apply(result.context,result.args)}while(result instanceof Tail||result&&result._isTailDescriptor);isRunning=false}return result}}()})(typeof global==="undefined"?self:global);

No alert changes

Improved metrics

Total package byte prevSize

1560662

increased by0.21%

Lines of code

13251

increased by0.14%

No dependency changes