es6-module-crosspiler - npm Package Compare versions

Comparing version 0.2.4 to 1.0.0

lib/exports.js

 
 var memo = require('memorizer')
 var recast = require('recast')
+var assert = require('assert')
 
@@ -46,3 +47,3 @@ var types = recast.types
       var id = declaration.id.name
-      if (!id) throw new Error('unnamed function declaration')
+      assert(id, 'unnamed function declaration')
       return exports.push([id, id])
@@ -60,7 +61,7 @@ }
       var id = declaration.id.name
-      if (!id) throw new Error('unnamed class')
+      assert(id, 'unnamed class')
       return exports.push([id, id])
     }
 
-    throw new Error('wtf')
+    assert(false, 'an error occured. you are probably using a bad version of esprima')
   }, this)
@@ -67,0 +68,0 @@

lib/index.js

@@ -0,1 +1,2 @@
+
 module.exports = require('./module')
@@ -2,0 +3,0 @@ require('./imports')

lib/module.js

 
-var esprima = require('esprima')
+var profile = require('debug')('es6-module-crosspiler:profile')
 var memo = require('memorizer')
-var recast = require('recast')
 
 module.exports = Module
 
-Module.parse = function (string, options) {
-  options = options || {}
-  options.esprima = esprima
-  return recast.parse(string, options)
+// for ast = x.transform(ast) recast usage
+Module.transform = function (ast, options) {
+  return new Module(ast, options).transform()
 }
 
-Module.infer = function (string, useRegExp) {
-  if (useRegExp) {
-    var isModule = /\bexport | import |/.test(string)
-    return {
-      type: isModule ? 'module' : 'commonjs',
-      default: isModule && /\bexport *default */.test(string),
-      renames: Object.create(null),
-      dependencies: Object.create(null),
-    }
-  }
-  var ast = Module.parse(string)
-  var mod = new Module(ast)
-  mod.type
-  mod.default
-  mod.imports
-  mod.exports
-  // we don't need to keep the AST in memory
-  mod.ast = null
-  return mod
+// get the dependency names of a module
+// to do: think of a good name for a property
+// instead of a constructor method
+Module.dependenciesOf = function (mod) {
+  // if it's an AST
+  if (!(mod instanceof Module)) mod =  new Module(mod)
+  // it already has the dependencies
+  return mod.imports.map(toNodeSource)
+    .concat(mod.requires.map(toFirstArgumentValue))
 }
 
-// for ast = x.transform(ast) recast usage
-Module.transform = function (ast, options) {
-  return new Module(ast, options).transform()
+function toNodeSource(node) {
+  return node.source.value
 }
 
+function toFirstArgumentValue(node) {
+  return node.arguments[0].value
+}
+
 function Module(ast, options) {
@@ -127,18 +118,30 @@ if (!(this instanceof Module)) return new Module(ast, options)
 Module.prototype.transform = function () {
+  profile('beginning transform')
   var module = this.type === 'module'
   // rewrite all the things
   this.renameRequires()
-  if (module) this.renameImports()
+  profile('renamed requires')
+  if (module) {
+    this.renameImports()
+    profile('renamed imports')
+  }
+
   // handle any require statements first
   this.defaultifyRequires()
+  profile('defaultified requires')
   if (!module) return this.ast
   // handle imports, which go below exports
   this.buildRequires()
+  profile('built requires')
   this.removeImports()
+  profile('removed imports')
   // handle exports, which go at the top
   this.buildExports()
+  profile('built exports')
   this.removeExports()
+  profile('removed exports')
   // build the import references
   this.buildReferences()
+  profile('built references')
   return this.ast
 }

package.json

 {
   "name": "es6-module-crosspiler",
   "description": "An ES6 and CommonJS cross-compatible transpiler",
-  "version": "0.2.4",
+  "version": "1.0.0",
   "author": {
@@ -14,5 +14,5 @@ "name": "Jonathan Ong",
   "dependencies": {
+    "debug": "*",
     "memorizer": "1",
     "ast-util": "0",
-    "esprima": "*",
     "recast": "0"
@@ -26,2 +26,3 @@ },
   "scripts": {
+    "bench": "DEBUG=*:profile node benchmark/mocha.js",
     "test": "mocha --reporter spec --bail test/index.js",
@@ -28,0 +29,0 @@ "test-cov": "istanbul cover node_modules/mocha/bin/_mocha -- --reporter dot test/index.js",

README.md

@@ -5,6 +5,10 @@
 [![NPM version][npm-image]][npm-url]
-[![build status][travis-image]][travis-url]
+[![Build status][travis-image]][travis-url]
 [![Test coverage][coveralls-image]][coveralls-url]
+[![Dependency Status][david-image]][david-url]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
 [![Gittip][gittip-image]][gittip-url]
 
+
 ES6 module crosspiler is an ES6 module transpiler that supports both
@@ -60,3 +64,3 @@ ES6 modules as well as CommonJS modules,
 
-## Differences between ES6-module-transpiler
+## Differences between es6-module-crosspiler
 
@@ -100,2 +104,12 @@ This transpiler is lower-level, meaning it does not have a concept of a container or resolver.
 
+### Convenience Methods
+
+#### ast = Module.transform(ast, [options])
+
+Transform a module recast-style.
+
+#### var names = Module.dependenciesOf(ast || module)
+
+Get all the dependency names.
+
 ### Initialization and Metadata
@@ -226,9 +240,17 @@
 
-[npm-image]: https://img.shields.io/npm/v/es6-module-crosspiler.svg?style=flat
+[npm-image]: https://img.shields.io/npm/v/es6-module-crosspiler.svg?style=flat-square
 [npm-url]: https://npmjs.org/package/es6-module-crosspiler
-[travis-image]: https://img.shields.io/travis/polyfills/es6-module-crosspiler.svg?style=flat
+[github-tag]: http://img.shields.io/github/tag/polyfills/es6-module-crosspiler.svg?style=flat-square
+[github-url]: https://github.com/polyfills/es6-module-crosspiler/tags
+[travis-image]: https://img.shields.io/travis/polyfills/es6-module-crosspiler.svg?style=flat-square
 [travis-url]: https://travis-ci.org/polyfills/es6-module-crosspiler
-[coveralls-image]: https://img.shields.io/coveralls/polyfills/es6-module-crosspiler.svg?style=flat
+[coveralls-image]: https://img.shields.io/coveralls/polyfills/es6-module-crosspiler.svg?style=flat-square
 [coveralls-url]: https://coveralls.io/r/polyfills/es6-module-crosspiler?branch=master
-[gittip-image]: https://img.shields.io/gittip/jonathanong.svg?style=flat
+[david-image]: http://img.shields.io/david/polyfills/es6-module-crosspiler.svg?style=flat-square
+[david-url]: https://david-dm.org/polyfills/es6-module-crosspiler
+[license-image]: http://img.shields.io/npm/l/es6-module-crosspiler.svg?style=flat-square
+[license-url]: LICENSE
+[downloads-image]: http://img.shields.io/npm/dm/es6-module-crosspiler.svg?style=flat-square
+[downloads-url]: https://npmjs.org/package/es6-module-crosspiler
+[gittip-image]: https://img.shields.io/gittip/jonathanong.svg?style=flat-square
 [gittip-url]: https://www.gittip.com/jonathanong/

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Improved metrics

Total package byte prevSize

22051

increased by5.76%

Lines of code

485

increased by0.41%

Number of low quality alerts

1

decreased by-50%

Number of lines in readme file

253

increased by9.52%

Dependency changes

• + Addeddebug@*

• + Addeddebug@4.3.7(transitive)

• + Addedms@2.1.3(transitive)

• - Removedesprima@*