theredhead

/* Create a function used with `sort()` to sort arrays of objects
 * for example:
 *   const sortByLastName = makeCompareFunction<Person>(p => p.lastName);
 *   people.sort(sortByLastName);
 */
export function makeCompareFunction<T>(lambda: (obj: T) => string | number) {
  return (a: T, b: T): number => {
    const _a = lambda(a);
    const _b = lambda(b);
    if (_a < _b) {

theredhead

// npm install md5
import * as md5 from 'md5';

export const enum GravatarType {
  MysteryPerson,
  Identicon,
  MonsterId,
  Wavatar,
  Retro,
  Robohash,

theredhead

const sluggify = (text: string): string => {
  const allowedCharacters = 'abcdefghijklmnopqrstuvwxyz_1234567890';
  const result = [];
  const preTransformed = text.toLowerCase().replace(/\s/, '-');

  for (let char of preTransformed) {
    if (allowedCharacters.includes(char)) {
      result.push(char);
    }
  }

theredhead

# CONTAINER_ID => value of container id column from `docker ps`
# DATABASE_NAME => name of the mysql database to backup/restore

# Backup to backup-file.sql outside container
docker exec CONTAINER_ID /usr/bin/mysqldump --triggers --routines -uMYSQL_USER -pMYSQL_PASSWORD DATABASE_NAME > backup-file.sql

# Restore from backup-file.sql outside container
cat backup-file.sql | docker exec -i CONTAINER_ID /usr/bin/mysql -uMYSQL_USER -pMYSQL_PASSWORD DATABASE_NAME

theredhead

//
// Inspired by https://github.com/zhaosiyang/property-watch-decorator/blob/master/src/index.ts
//
// Annotate a field in a typescript class to store its' content in localstorage transparently.
//
export function Preference<T = any>(preferenceKey: string, defaultValueObj: T) {
  return (target: any, key: PropertyKey) => {
    Object.defineProperty(target, key, {
      set: function(value) {
        localStorage.setItem(preferenceKey, JSON.stringify(value));

theredhead

/* You can add global styles to this file, and also import other style files */

.columns-80-20 {
  display: grid;
  grid-template-areas: 'left right';
  grid-template-columns: 80% 20%;

  *:nth-child(0) {
    grid-area: left;
    overflow: scroll;

theredhead

export function base_href() {
  try {
    const base = document
      .getElementsByTagName('base')
      .item(0)
      .getAttribute('href');
    return base !== '/' ? base : null;
  } catch (e) {
    return null;
  }

theredhead

export function object_to_searchable_text(obj: any): string {
  if (obj === undefined) {
    return '';
  } else if (typeof obj === 'object') {
    const parts = [];
    for (const property of Object.keys(obj)) {
      parts.push(object_to_searchable_text(obj[property]));
    }
    return parts.join(' ');
  } else if (Array.isArray(obj)) {

theredhead

  dragOver = false;
  fileDropped(file: File) {
    const reader = new FileReader();
    reader.onload = (event: ProgressEvent) => {
      const json = reader.result as string;
      this.rulesets = JSON.parse(json) as Ruleset[];
    };
    //reader.onerror... 
    reader.readAsText(file);
  }

theredhead

export function download(fileName: string, data: any) {
  const json = JSON.stringify(data, null, 2);

  const anchor = document.createElement('a');
  anchor.setAttribute(
    'href',
    'data:text/plain;charset=utf-8,' + encodeURIComponent(json)
  );

  anchor.setAttribute('download', fileName);