moshfeu

// convert mov to gif
ffmpeg -i video.mov -vf palettegen palette.png
ffmpeg -i video.mov -i palette.png -lavfi paletteuse=bayer_scale=4:dither=bayer -r 18 -s 320x399 video.gif


// crop gif
// https://stackoverflow.com/a/14036766/863110
convert input.gif -coalesce -repage 0x0 -crop WxH+X+Y +repage output.gif

moshfeu

// https://gist.github.com/sidneys/7095afe4da4ae58694d128b1034e01e2
export enum ITagYtQuality {
  m4a_48k = 139,
  webm_50k = 249,
  webm_70k = 250,
  m4a_128k = 140,
  webm_128k = 171,
  webm_160k = 251,
  m4a_256k = 141,
}

moshfeu

const { DefinePlugin } = require('webpack');

module.exports = {
  entry: './src/components/main.tsx',
  module: {
    rules: [
      {
        test: /\.ts|.tsx?$/,
        use: 'ts-loader',
        exclude: /node_modules/

moshfeu

var Ajv = require('ajv');
var ajv = new Ajv();
var validate = ajv.compile(schema);
var valid = validate(data);
if (!valid) console.log(validate.errors);

moshfeu

{
  "fullname": "your full name" 
}

moshfeu

import users from './users.json';

const shema = {
  "type": "array",
  "items": {
    "type": "object",
    "properties": {
      "fullname": {
        "type": "string",
        "minLength": 2

moshfeu

it.only(`should user's schema be valid`, () => {
  const schema = {
    "type": "array",
    "items": {
      "type": "object",
      "properties": {
        "fullname": {
          "type": "string",
          "minLength": 2
        },

moshfeu

expect.extend({
  toBeValid(isValid, errorMessage) {
    return {
      message: () => isValid ? '' : errorMessage,
      pass: isValid
    }
  }
});

it(`should user's schema be valid`, () => {

moshfeu

const validateSecuredUrl = function (schema, uri) {
  return uri.indexOf('https://') === 0;
};

ajv.addKeyword('securedUrl', {
  validate: validateSecuredUrl,
  errors: true
});

it(`should user's schema be valid`, () => {

moshfeu

const validateSecuredUrl = function (schema, uri) {
  validateSecuredUrl.errors = [{keyword: 'secured', message: 'avatar url must be "https" schema', params: {keyword: 'secured'}}];
  return uri.indexOf('https://') === 0;
};

ajv.addKeyword('securedUrl', {
  validate: validateSecuredUrl,
  errors: true
});