URLExtract

const URLExtract = require('paraviewweb/src/Common/Misc/URLExtract');

toNativeType(str)

> toNativeType('')
""
> toNativeType(' ')
NaN
> toNativeType(' 4')
4
> toNativeType(' d ')
" d "
> toNativeType(' d')
" d"
> toNativeType(NaN)
NaN
> toNativeType('NaN')
"NaN"
> toNativeType('4.6.7.8')
"4.6.7.8"
> toNativeType('4.678')
4.678
> toNativeType(' 4.678 ')
4.678
> toNativeType(' 4.67 8 ')
" 4.67 8 "

extractURLParameters(castToNativeType = true, query = window.location.search)

const query = '?a=b&c=d%20d&d=5.6&e=true&f=undefined&g';
const strObj = ;
const typeObj = extractURLParameters(true, query);

console.log(extractURLParameters(false, query));
{
  a: 'b',
  c: 'd d',
  d: '5.6',
  e: 'true',
  f: 'undefined',
  g: true
}

console.log(extractURLParameters(true, query));
{
  a: 'b',
  c: 'd d',
  d: 5.6,
  e: true,
  f: undefined,
  g: true
}

Source

index.js

/* eslint-env browser */

function identity(i) {
  return i;
}

function toNativeType(str) {
  if (str === null || str === 'null') {
    return null;
  } else if (str === 'true') {
    return true;
  } else if (str === 'false') {
    return false;
  } else if (str === undefined || str === 'undefined') {
    return undefined;
  } else if (str === '' || Number.isNaN(Number(str))) {
    return str;
  }
  return parseFloat(str);
}

function extractURLParameters(
  castToNativeType = true,
  query = window.location.search
) {
  const summary = {};
  const convert = castToNativeType ? toNativeType : identity;
  const queryTokens = (query || '')
    .replace(/#.*/, '') // remove hash query
    .replace('?', '') // Remove ? from the head
    .split('&'); // extract token pair

  queryTokens.forEach((token) => {
    const [key, value] = token.split('=').map((s) => decodeURIComponent(s));
    if (key) {
      summary[key] = value ? convert(value) : true;
    }
  });

  return summary;
}

export default {
  toNativeType,
  extractURLParameters,
};