auto skip function args

auto skip function args

https://repl.it/@xgqfrms/auto-skip-function-args

"use strict";

/**
 *
 * @author xgqfrms
 * @license MIT
 * @copyright xgqfrms
 * @created 2019-09-28
 * @modified
 *
 * @description auto skip function args that not actually used
 * @description Automatically skip parameters that are not actually used by the function
 * @description 自动跳过函数实际上没有使用的参数
 * @augments
 * @example
 * @link
 *
 */

let log = console.log;

// this OK
const autoSkipArgs = (fn, skipArgsNumber, args) => {
    fn.apply(this, Array(skipArgsNumber).concat([args]));
}

// function autoSkipArgs(fn, skipArgsNumber, args) {
//     fn.apply(this, Array(skipArgsNumber).concat([args]));
// }


export default autoSkipArgs;

export {
    autoSkipArgs,
};

// testing

/*



let log =  console.log;

const func = (arg1 = ``, arg2 = {}) => {
    log(`arg1`, arg1);
    log(`arg2`, arg2);
};

let obj = {
    key: 1,
    value: "A",
};

autoSkipArgs(func, 1, obj);
// arg1
// arg2 { key: 1, value: 'A' }


*/

array & empty bug

Uint8Array

new Uint8Array(2).map(i => "");
// Uint8Array(2) [0, 0]
new Uint8Array(2);
// Uint8Array(2) [0, 0]
[...new Uint8Array(2).map(i => "")]
// (2) [0, 0]
[...new Uint8Array(2)].map(i => "");
// (2) ["", ""]

---

site: www.stackoverflow.com js function ignore first arguments

https://stackoverflow.com/questions/32518615/skip-arguments-in-a-javascript-function

https://stackoverflow.com/questions/25642690/javascript-skip-arguments-in-function-call

https://stackoverflow.com/questions/38224231/how-to-remove-the-first-argument-of-function

https://stackoverflow.com/questions/37229000/why-cant-i-skip-parameter-assignments-in-a-function-signature

---

https://stackoverflow.com/questions/28770415/ecmascript-6-arrow-function-that-returns-an-object/57601889#57601889

---

shit antd & table col render

https://ant.design/components/table-cn/#Column

render(text, record, index)

https://codesandbox.io/s/antd-table-auto-skip-args-j1vu2

import React from "react";
import ReactDOM from "react-dom";
import "antd/dist/antd.css";
import "./index.css";
import { Table, Badge, Menu, Dropdown, Icon } from "antd";

const menu = (
  <Menu>
    <Menu.Item>Action 1</Menu.Item>
    <Menu.Item>Action 2</Menu.Item>
  </Menu>
);

let log = console.log;

function NestedTable() {
  const columns = [
    { title: "Name", dataIndex: "name", key: "name" },
    { title: "Platform", dataIndex: "platform", key: "platform" },
    { title: "Version", dataIndex: "version", key: "version" },
    { title: "Upgraded", dataIndex: "upgradeNum", key: "upgradeNum" },
    {
      title: "Creator",
      dataIndex: "creator",
      key: "creator",
      // render: (undefined, undefined, index) => {
      // render: ("", "", index) => {
      // render: ("x", "x", index) => {
      render: (a, b, index) => {
        log(`index`, index);
        return <span>auto sikp args</span>;
      }
    },
    {
      title: "Date",
      dataIndex: "createdAt",
      key: "createdAt",
      render: (text, record, index) => {
        log(`text`, text, index);
        // log(`record`, record);
        return <span>{text}</span>;
      }
    },
    {
      title: "Action",
      key: "operation",
      render: (record, index) => {
        // log(`record`, record, index);
        return <a>Publish</a>;
      }
    }
  ];

  const data = [];
  for (let i = 0; i < 3; ++i) {
    data.push({
      key: i,
      name: "Screem",
      platform: "iOS",
      version: "10.3.4.5654",
      upgradeNum: 500,
      creator: "Jack",
      createdAt: "2014-12-24 23:12:00"
    });
  }

  return (
    <Table
      className="components-table-demo-nested"
      columns={columns}
      dataSource={data}
    />
  );
}

ReactDOM.render(<NestedTable />, document.getElementById("container"));

---

anonymous function args bug ???

(...[...new Uint8Array(2)].map(i => ""), 123) => {
	console.log(arguments[0]);
};
//  Uncaught SyntaxError: Unexpected token '...'

copy(...[...new Uint8Array(2)].map(i => ""));
// undefined

---

arrow function & arguments bug

function abc(arg1, arg2) {
	console.log(arguments[0]);
}

abc(...[...new Uint8Array(2)].map(i => ""), 123);



const f = (arg1, arg2) => {
	console.log(arguments[0]);
};


f(...[...new Uint8Array(2)].map(i => ""), 123);
// VM769:2 Uncaught ReferenceError: arguments is not defined

---