MrFranke

function MinWindowSubstringWithoutDuplicate([N, K]) { 
  const matcher = N.split("").reduce((acc, char, idx) => {
    if (acc.size === new Set(K).size) {
      return acc;
    }

    for (const Kchar of K) {
      if (char === Kchar) {
        acc.set(char, idx)
        break;

MrFranke

import { configure } from '@storybook/react';
import '../src/index.css'; // custom styles for storybook layout

const req = require.context('../src', true, /\.stories\.tsx$/); // all *.stories.tsx files

// import files
function loadStories() {
  req.keys().forEach(filename => req(filename));
}

MrFranke

FROM node:lts-alpine as builder
RUN apk add --no-cache bash
WORKDIR /usr/src/app
COPY . .
ENV NODE_ENV=production
RUN npm i -g yarn
RUN \
  yarn install --frozen-lockfile --production; \
  yarn build

MrFranke

FROM nginx:alpine
ENV API_ENDPOINT=http://localhost/api/v1
ENV APP_VERSION=v1.0.0
RUN /bin/sh -c "envsubst '\${API_ENDPOINT} \${APP_VERSION}' < /etc/nginx/conf.d/default.tmpl > /etc/nginx/conf.d/default.conf && cat /etc/nginx/conf.d/default.conf && nginx -g 'daemon off;' "

MrFranke

Yup.object().shape({
  password: Yup.string().required('Password is required'),
  passwordConfirm: Yup.mixed().test('match', 'Passwords do not match', function (password) {
    return password === this.parent.passwordConfirm
  }).required('Password confirm is required')
})

MrFranke

const fn = (a, b, c) => [a,b,c];
const fnWithDefault = (a, b = 'default arg', c) => [a,b,c];

R.curry(fn)(1); //  fn(b) => fn(c) => [1,b,c]
R.curry(fnWithDefault)(1); // [1, 'default arg', undefined]

MrFranke

FROM node:carbon as builder
WORKDIR /usr/src/app
COPY . .
ENV NODE_ENV production
RUN npm i && npm run build

FROM nginx:1.15.2
WORKDIR /usr/src/app
ENV API_ENDPOINT https://api.com
COPY --from=builder /usr/src/app/build .

MrFranke

exec("cwebp -m 6 -preset icon -mt -af " + source_file + " -o " + file.dest + ".webp");
if( fs.statSync(file.dest)["size"] < fs.statSync(file.dest + ".webp")["size"]){
  exec("cwebp -m 6 -preset picture  -mt -af " + source_file + " -o " + file.dest + ".webp");
  if( fs.statSync(file.dest)["size"] < fs.statSync(file.dest + ".webp")["size"]){
    exec("cwebp -m 6 -lossless -mt " + file.dest + " -o " + file.dest + ".webp");
  }
}

MrFranke

function CreditCardNumber (props) => {
  let formatter = (event) => {
    let val = event.target.value;
    let newVal = '';
    val.replace(/([0-9]{0,4})/g, function(str){
      newVal += str.length === 4 ? str+' ' : str;
    });
    event.target.value = newVal.replace(/(\s$)/g, '').slice(0,19);
  };  
  return <input type="text" onChange="formatter" placeholder="0000 0000 0000 0000" {...props}>;

MrFranke

//
// Requirements
//
var gulp             = require('gulp'),
    _if              = require('gulp-if'),
    path             = require('path'),
    argv             = require('yargs').argv,
    clean            = require('gulp-clean'),
    filter           = require('gulp-filter'),
    rename           = require('gulp-rename'),