ukchukx

# This demonstrates that, when using async/await, a crash in the task will crash the caller
defmodule Tasker do
  def good(message) do
    IO.puts message
  end

  def bad(message) do
    IO.puts message
    raise "I'm BAD!"
  end

ukchukx

"""
Simple Linear Probabilistic Counters

Credit for idea goes to:
http://highscalability.com/blog/2012/4/5/big-data-counting-how-to-count-a-billion-distinct-objects-us.html
http://highlyscalable.wordpress.com/2012/05/01/probabilistic-structures-web-analytics-data-mining/

Installation:
    pip install smhasher
    pip install bitarray

ukchukx

<script>
import { onMount } from 'svelte';
import { StreamChat } from 'stream-chat/dist/index.js';

export let appName;
let loggedIn = false;
let online = false;
let token = '';
let username = '';
let message = '';

ukchukx

<style global>
  @tailwind base;
  @tailwind components;
  @tailwind utilities;
</style>

ukchukx

import svelte from 'rollup-plugin-svelte';
import resolve from '@rollup/plugin-node-resolve';
import commonjs from '@rollup/plugin-commonjs';
import livereload from 'rollup-plugin-livereload';
import { terser } from 'rollup-plugin-terser';
import sveltePreprocess from 'svelte-preprocess';
import replace from '@rollup/plugin-replace';
import { config } from 'dotenv';

config();

ukchukx

const purgecss = require('@fullhuman/postcss-purgecss')({
  content: ['./src/**/*.svelte', './src/**/*.html'],
  whitelistPatterns: [/svelte-/],
  defaultExtractor: content => content.match(/[A-Za-z0-9-_:/]+/g) || []
})

module.exports = {
  plugins: [
    require('tailwindcss'),
    ...(!process.env.ROLLUP_WATCH ? [purgecss] : [])

ukchukx

npx degit sveltejs/template .
npm i  # install
npm i stream-chat dotenv
npm i -D postcss postcss-load-config svelte-preprocess tailwindcss @fullhuman/postcss-purgecss @rollup/plugin-replace # development dependencies
npx tailwind init
touch postcss.config.js
cp ../backend/.env . # Make a copy of backend's .env in frontend
npm run dev # and visit http://localhost:5000 in the browser

ukchukx

$ curl -X POST http://kong:8001/services/kc-chat-backend/plugins \
    --data "name=cors" \
    --data "config.origins=*" \
    --data "config.methods=GET" \
    --data "config.methods=POST" \
    --data "config.methods=OPTIONS" \
    --data "config.headers=Accept" \
    --data "config.headers=Accept-Version" \
    --data "config.headers=Content-Length" \
    --data "config.headers=Content-MD5" \

ukchukx

$ curl -i -X GET --url http://localhost:8000/api/kongchat/ping

# Sample output

HTTP/1.1 200 OK
Content-Type: application/json; charset=utf-8
Content-Length: 18
Connection: keep-alive
X-Powered-By: Express
ETag: W/"12-6FyCUNJCdUkgXM8yXmM99u6fQw0"

ukchukx

$ curl -i -X POST --url http://localhost:8001/services/kc-chat-backend/routes \
  --data 'paths[]=/api/kongchat' --data 'strip_path=false' --data 'methods[]=GET' \
  --data 'methods[]=POST'

# Sample output

HTTP/1.1 201 Created
Content-Type: application/json; charset=utf-8
Connection: keep-alive
Access-Control-Allow-Origin: *