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React={Component:function(e){this.props=e},[C="createElement"]:(t,s,...a)=>t.bind?new t(s):(e=document[C](t),(()=>{for(n in s)e[n]=s[n]})(),g(a).map(t=>e[A](t.props?t.render():t.part?t:new Text(t))),e)},g=(e=>(e=e||[],e.map?e.flatMap(g):[e])),A="appendChild"

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@s

--- dir/bla/yo.py
print("yo")
---

--- dir/blado.py
print("bla")
---

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  const fs = require('fs');
  function tree(dir, shortName = dir, prefix = '') {
      const ls = fs.readdirSync(dir);
      const isDir = ls.map(item => fs.statSync(`${dir}/${item}`).isDirectory());
      const files = ls.filter((item, index) => !isDir[index]);
      const dirs = ls.filter((item, index) => isDir[index]);
      const filesPrefix = prefix + '    ';
      console.log();
      console.log(`${prefix}${shortName || '.'}/`);
      if (files.length) {

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<style id="jsbin-css">
body {
  font: 14px "Century Gothic", Futura, sans-serif;
  margin: 20px;
}

ol, ul {
  padding-left: 30px;
}

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var fs = require('fs'),                                                                                                                            
  UglifyJS = require('uglify-js');
var express = require('express'),
  app = express();

var repo = process.argv[2];
var html = fs.readFileSync(__dirname + '/' + repo + '/build/index.html').toString();
var js = UglifyJS.minify(__dirname + '/' + repo + '/build/' + repo + '.bundle.js').code;
//js = fs.readFileSync(__dirname + '/' + repo + '/build/' + repo + '.bundle.js').toString();
html = html.replace('<script src="' + repo + '.bundle.js"></script>', '<script>' + js + '</script>');

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Why you need assertions

It's better to fail with your own error than undefined is not a function.

A simple assertion solution would let your application fail early and fail at the right point in runtime execution. Allowing you to handle it better.

How you write assertions

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#!/usr/bin/env coffee

fs = require 'fs'
sh = require 'execSync'

config = require './package.json'

name = config.name = "#{config.name}-semver"
version = config.version = config.version.replace(/\./g, '') + '.0.0'

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var assert = require('assert'),
    http = require('http'),
    sockets = require('socket.io'),
    socketClient = require('socket.io-client');

describe('Socket.io', function () {
    it('should take / as the default namespace', function (done) {
        var port = 5001,
            io = sockets.listen(port);