uinz

export function promiseMap<T>(iterable: T[], mapper: (item: T, index?: number) => void, concurrency?: number) {
  if (!concurrency) {
    return Promise.all(iterable.map(mapper));
  }

  return new Promise((resolve, reject) => {
    let ongoing = 0;
    let completed = 0;
    const result = Array(iterable.length);
    const promiseGens = iterable.map((item, index) => {

uinz

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
	<key>Ansi 0 Color</key>
	<dict>
		<key>Blue Component</key>
		<real>0.12923833727836609</real>
		<key>Color Space</key>
		<string>Calibrated</string>

uinz

git checkout . && git clean -xdf

uinz

function formate(num) {
   return num.toFixed(8).replace(/(.+\.\d\d+?)(0+?)$/, '$1')
}

formate(0.10000) // 0.10

formate(0.111111000) // 0.111111

uinz

import { EventEmitter } from 'events';
import * as SocksProxyAgent from 'socks-proxy-agent';
import * as WebSocket from 'ws';

export class WS extends EventEmitter {
  private instance?: WebSocket;

  constructor(
    private url: string,
    private proxy?: string

uinz

首先我是被这个动画效果吸引到的, 效果好棒

说用到 FLIP (First, Last, Invert, Play) 不要被英文单词吓到, 原理可能比你想象的简单

虽然它很简单, 但也是为了解决一些问题才提出来的.

这个FLIP 要做的事情呢, 就是提高动画的帧率 但是呢, 浏览器这个东西吧, 就是比较矫情, 主要有一下2个特点

1. 浏览器 transition 对 opacity transform 的动画会采用 GPU 加速

uinz

'use strict';

function fibonacci(n) {
  if (n <= 1) {
    return 1
  };
  return fibonacci(n - 1) + fibonacci(n - 2);
}

function fibonacciTail(n, ac1 = 1, ac2 = 1) {

uinz

function curry(func) {
  return function caller(...args) {
    if (args.length >= func.length) {
      return func(...args)
    } else {
      return (..._args) => caller(...args, ..._args)
    }
  }
}

uinz

export function decoratorName() {
  return function(target, prop, descriptor) {
    if (descriptor) {
      if (descriptor.value) {
        // Typescript & @decorator method() { }
        const originFunction = descriptor.value;
        descriptor.value = function(...args) {
          // @TODO:
          return originFunction(...args);
        };

uinz

function sum(arr: number[]) {
  return arr.reduce((r, n) => r + n, 0);
}

function group(arr: number[], num: number) {
  const result = [];

  (function loop(unselectedList = [], selectedList = []) {
    if (unselectedList.length === 0) {