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#This one-liner removes all cordova installed plugins and then adds them again.
#Note: If you are not using Ionic, change 'ionic cordova plugin' to 'cordova plugin'

#! /bin/bash
cordova plugin list | cut -d ' ' -f 1 | while read plugin; do ionic cordova plugin rm $plugin && ionic cordova plugin add $plugin; done

zzpmaster

enum Foo {
    A = 'a1', B = 'b1', C = 'c1'
}

// use enum value
const finish = (): Partial<{ -readonly [key in Foo]: string }> => {
    return { [Foo.A]: 'hello'}; // or { 'a1': 'hello' }
}

// use enum key

zzpmaster

<!-- 
  使用[inputlimit], 可以使用默认值。
  使用[inputlimit]="2", 可以设置要check的长度。
  note that: 不能直接使用 inputlimit或inputlimit="2" 会导致默认值为空或是字符串类型。
-->
<input type="text" [inputlimit]="2" formControlName="name" />

zzpmaster

import { Injectable } from '@angular/core';
import { CanActivate } from '@angular/router';
import { tap, delay } from 'rxjs/operators';
import { of } from 'rxjs';
import { SequentialRoutingGuardService } from './sequential-routing-guard.service';

@Injectable({
  providedIn: 'root'
})
export class Guard1Service implements CanActivate {

zzpmaster

// Event Source
type propEvent<Type> = {
    on<Key extends string & keyof Type>(
        eventName: `${Key}Changed`,
        callback: (newValue: Type[Key]) => void): void;
};

function makeWatchedObject<Type>(obj: Type): Type & propEvent<Type> {
    const cbMap = new Map<string, Function>();
    var proxy = new Proxy({

zzpmaster

interface Person<Type> {
  id: Type extends "A" ? number : string;
  name?: string;
}

/**
 * a
 */
type Category = "A" | "B" 

zzpmaster

@Directive({
  selector: '[formControlName][appAmountMask]'
})
export class AmountMaskDirective implements OnInit {
  private hasFocus = false;

  private element: HTMLInputElement;

  private digits = '1.0-7';

zzpmaster

function shallowCopy<T>(origin: T): T {
  return Object.assign(
    Object.create(Object.getPrototypeOf(origin)),
    origin
  )
}
 
function shallowCopy2<T>(origin: T): T {
  const obj = { ...origin };
  Object.setPrototypeOf(obj, (origin as Object).constructor.prototype);

zzpmaster

import { Component, Inject, InjectionToken } from "@angular/core";
import { HttpClient, HttpXhrBackend } from "@angular/common/http";
import { Observable } from "rxjs/Observable";
// import { CUSTOMER_HTTP_CLENT } from "./app.module";

export const CUSTOMER_HTTP_CLENT = new InjectionToken("xx");

@Component({
  selector: "my-app",
  template: `

zzpmaster

ls -r -n -file | foreach{ (cat -encoding UTF8  $_ ) -join "`n" | set-content -encoding UTF8 $_ }