encodeURIComponent & decodeURIComponent

utils.js

const s1 = '\\[ \\{ \\} \\] , / \\? : @ & = \\+ \\$ # " \\\\'.split(' '); // '[{}],/\?:@&=\+$#"\ '
const s2 = '%5B%7B%7D%5D%2C%2F%3F%3A%40%26%3D%2B%24%23%22%5C%20'.match(/.{3}/g); // encodeURIComponent('[{,/\?:@&=\+$#"\\ ')
const s3 = '[{}],/\?:@&=\+$#"\\ '.split('');

s1.push(' ');

module.exports.encodeURIComponent = function encodeURIComponent(str) {
  let res = `${str}`;
  for (let i = 0; i < s1.length; i += 1) {
    res = res.replace(new RegExp(s1[i], 'g'), s2[i]);
  }
  return res;
};

module.exports.decodeURIComponent = function decodeURIComponent(str) {
  let res = `${str}`;
  for (let i = 0; i < s1.length; i += 1) {
    res = res.replace(new RegExp(s2[i], 'g'), s3[i]);
  }
  return res;
};

/**
console.log(encodeURIComponent('http://www.abc.com/abc/abc.html?a=a'))
console.log(myencodeURIComponent('http://www.abc.com/abc/abc.html?a=a'))
console.log(encodeURIComponent('http://www.abc.com/abc/abc.html?a=a') === myencodeURIComponent('http://www.abc.com/abc/abc.html?a=a'))

console.log(encodeURIComponent('[{}],/\?:@&=\+$#"\\ '))
console.log(myencodeURIComponent('[{}],/\?:@&=\+$#"\\ '))
console.log(encodeURIComponent('[{}],/\?:@&=\+$#"\\ ') === myencodeURIComponent('[{}],/\?:@&=\+$#"\\ '))

console.log(decodeURIComponent('%5B%7B%7D%5D%2C%2F%3F%3A%40%26%3D%2B%24%23%22%5C%20'))
console.log(mydecodeURIComponent('%5B%7B%7D%5D%2C%2F%3F%3A%40%26%3D%2B%24%23%22%5C%20'))
console.log(decodeURIComponent('%5B%7B%7D%5D%2C%2F%3F%3A%40%26%3D%2B%24%23%22%5C%20') === mydecodeURIComponent('%5B%7B%7D%5D%2C%2F%3F%3A%40%26%3D%2B%24%23%22%5C%20'))

console.log(decodeURIComponent('http%3A%2F%2Fwww.abc.com%2Fabc%2Fabc.html%3Fa%3Da'))
console.log(mydecodeURIComponent('http%3A%2F%2Fwww.abc.com%2Fabc%2Fabc.html%3Fa%3Da'))
console.log(decodeURIComponent('http%3A%2F%2Fwww.abc.com%2Fabc%2Fabc.html%3Fa%3Da') === mydecodeURIComponent('http%3A%2F%2Fwww.abc.com%2Fabc%2Fabc.html%3Fa%3Da'))
*/