fronterior

const fs = require("fs");
const stream = fs.createWriteStream("./fake-read-stream");

const fakeReadableStream = new (class {
  readable = true;

  constructor() {
    this.data =
      "abc ewij fj wiefj ewi tj94htr834h u4 hru4 u9jr92i3 i09rj 239ij erw9i fgj3u94it 34i9 tj";
    this.cursor = 0;

fronterior

/**
Only .ai file with PDF compatible.
Except IE...
*/
const AI_FILE_DIR = './test.ai'

const main = async () => { try {
  
  const res = await fetch(AI_FILE_DIR)
  const originBlob = await res.blob()

fronterior

const isp = v => v === curry._;
const memo = fn => {
  const cache = {};
  return  (...p) => {
    const key = JSON.stringify(p);
    return key in cache ? cache[key] : cache[key] = fn(...p);
  }
};
function curry(fn, length = fn.length) {
  if (length === 0) return fn;

fronterior

const p1Cache = f => {
  const store = new Map;
  console.log(store);
  return a => store.has(a) ? store.get(a) : store.set(a, f(a)).get(a);
};

const p2Cache = f => {
  const store = new Map;
  
  return (a, b) => {

fronterior

class ArrayMap extends Map {
  constructor(...params) {
    super();
    params.forEach(([key, value]) => this.set(key, value));
  }
  set(key, value) {
    const len = key.length;
    const cp = [...key];
    let chn = super.has(len) ? super.get(len) : (super.set(len, new Map),super.get(len));
    let prop = cp.shift();

fronterior

const range = (first, last, dist = (last - first) / Math.abs(last - first)) => Array.from({length: Math.ceil((last - first) / dist)}, (_, i) => first + i * dist);

fronterior

export type PointerType = 'pointerdown'|'pointermove'|'pointerup'|'scroll';

export interface CursorCoordinate {
  type: PointerType;
  x: number;
  y: number;
  dx?: number;
  dy?: number;
}

fronterior

class TPromise<T> extends Promise<T> {
  static TimeoutError = class extends Error {};

  constructor(
    f: (
      resolve: (value: T | PromiseLike<T>) => void,
      reject: (reason?: any) => void
    ) => void,
    timeout: number = Infinity
  ) {

fronterior

const loadImage = (
  src: string,
  {
    save = true,
    timeout = Infinity,
    crossOrigin,
  }: Partial<{
    save: boolean;
    timeout: number;
    crossOrigin: string;

fronterior

class TPromise<T> extends Promise<T> {
  static TimeoutError = class extends Error {};

  constructor(
    f: (
      resolve: (value: T | PromiseLike<T>) => void,
      reject: (reason?: any) => void
    ) => void,
    timeout: number = Infinity
  ) {