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@domenic
domenic / interop.md
Last active Jun 12, 2019
`module.exports =` and ES6 Module Interop in Node.js
View interop.md

module.exports = and ES6 Module Interop in Node.js

The question: how can we use ES6 modules in Node.js, where modules-as-functions is very common? That is, given a future in which V8 supports ES6 modules:

  • How can authors of function-modules convert to ES6 export syntax, without breaking consumers that do require("function-module")()?
  • How can consumers of function-modules use ES6 import syntax, while not demanding that the module author rewrites his code to ES6 export?

@wycats showed me a solution. It involves hooking into the loader API to do some rewriting, and using a distinguished name for the single export.

This is me eating crow for lots of false statements I've made all over Twitter today. Here it goes.

@paulirish
paulirish / XHR2.js
Created Dec 4, 2011
detects for testling
View XHR2.js
/*
trying out some XHR2 detects for https://github.com/Modernizr/Modernizr/issues/385
testling is awwwesome.
curl -u xxx@xxx \
-sSNT XHR2.js 'testling.com/?browsers=iexplore/6.0,iexplore/7.0,iexplore/8.0,iexplore/9.0,chrome/4.0,chrome/5.0,chrome/6.0,chrome/7.0,chrome/8.0,chrome/9.0,chrome/10.0,chrome/11.0,chrome/12.0,chrome/13.0,chrome/14.0,chrome/15.0,firefox/4.0,firefox/5.0,firefox/6.0,firefox/7.0,firefox/8.0,opera/10.0,opera/10.5,opera/11.0,opera/11.5,safari/5.0.5,safari/5.1,firefox/nightly,opera/next,chrome/canary'
*/
var test = require('testling');
View twitter.js
var tweasy = require("tweasy")
OAuth = require("oauth").OAuth,
inspect = require('eyes').inspector({
maxLength: 16384
});
var oauthConsumer = new OAuth(
"http://api.twitter.com/oauth/request_token",
"http://api.twitter.com/oauth/access_token",
"", // can't remember what this is
View Object.defineProperty
node> o = { foo : 'bar' }
{ foo: 'bar' }
node> Object.defineProperty(o, 'moo', { value : 'cows', enumerable: false })
{ foo: 'bar' }
node> Object.keys(o)
[ 'foo' ]
node> o.moo
'cows'
node> Object.getOwnPropertyDescriptor(o, 'moo')
You can’t perform that action at this time.