@prodvair/url-query-params/URLQueryParams.js

Парсинг параметров из ссылки GET запроса.

function isNumber(str) {
  return str == Number(str);
}

export class URLQueryParams {
  constructor(queryAlias) {
    if (queryAlias) this.constructor.queryAlias == queryAlias;
  }
}
export const DEFAULT_ALIAS = {
  filters: 'f',
  wheres: 'w',
  orders: 'o',
  groupe: 'g',
  column: 'col',
  condition: 'con',
  value: 'val',
  option: 'opt',
};

Object.defineProperty(URLQueryParams.prototype, '$queryParams', {
  get() {
    return this.constructor._queryParams;
  },
});
URLQueryParams.url = null;
URLQueryParams._queryParams = {};
URLQueryParams.queryAlias = DEFAULT_ALIAS;

URLQueryParams.getThisUrl = function (url) {
  var urlParams = document.location.search;
  if ('string' === typeof url) urlParams = new URL(url).search;
  const searchParams = new URLSearchParams(urlParams);
  const obj = {};
  for (const [key, value] of searchParams.entries()) {
    obj[key] = value;
  }
  return obj;
};

URLQueryParams.convertNumber = function (str) {
  return isNumber(str) ? Number(str) : str;
};

URLQueryParams.convert = function (value) {
  if (value === null) return 'null';
  if (value === false) return 'false';
  if (value === true) return 'true';
  if (value === 'null') return null;
  if (value === 'false') return false;
  if (value === 'true') return true;
  if (value === '') return '';
  return this.convertNumber(value);
};

URLQueryParams.getAliasName = function (name) {
  return this.queryAlias?.[name] || name;
};

URLQueryParams.parseAliasName = function (name) {
  Object.entries(this.queryAlias).forEach(([key, value]) => {
    if (value === name) name = key;
  });
  return name;
};

URLQueryParams.queryParamsBuild = function (
  params,
  name = undefined,
  staples = false
) {
  var string = '';
  if ([null, undefined, ''].includes(params)) return '';

  name = this.getAliasName(name);

  if (typeof params === 'object' && params !== null) {
    if (Array.isArray(params)) {
      params.forEach((item, key) => {
        const keyName = staples
          ? `${name}[${params.length !== 1 ? key : ''}]`
          : name;
        string += this.queryParamsBuild(item, keyName, true);
      });
    } else {
      Object.keys(params).forEach((key) => {
        const item = params[key];
        const keyName = staples ? `${name}[${this.getAliasName(key)}]` : key;
        string += this.queryParamsBuild(item, keyName, true);
      });
    }
  } else {
    string += `${name}=${this.convert(params)}&`;
  }

  if (!staples) {
    string = string.slice(0, -1);
  }

  return string;
};
URLQueryParams.prototype.queryParamsBuild = function (params) {
  return this.constructor.queryParamsBuild(params);
};

URLQueryParams.queryParamsParse = function (_queryParams = null, url = null) {
  if (!_queryParams) _queryParams = this.getThisUrl(url);
  var obj;

  Object.keys(_queryParams).forEach((key) => {
    const params = key.match(/([a-zA-Z0-9]+)|\[[a-zA-Z0-9]*\]/g);
    const value = this.convert(_queryParams[key]);

    const recursParse = (names, value, subObj, i = 0) => {
      if (!names[i]) return value;
      const thisName = this.parseAliasName(
        this.convertNumber(names[i].replace(/\[|\]/g, '')) || 0
      );
      if ([undefined, null].includes(thisName)) return value;
      if (subObj?.[thisName]) {
        subObj[thisName] = recursParse(names, value, subObj[thisName], i + 1);
      }

      if (typeof subObj !== 'object') {
        subObj = isNumber(thisName) ? new Array() : {};
      }

      subObj[thisName] = recursParse(names, value, subObj[thisName], i + 1);
      return subObj;
    };

    if (params[0] && !obj) {
      obj = isNumber(this.convertNumber(params[0].replace(/\[|\]/g, '')) || 0)
        ? new Array()
        : {};
    }

    obj = recursParse(params, value, obj);
  });

  this._queryParams = obj;

  return obj;
};

URLQueryParams.prototype.queryParamsParse = function (url = null) {
  return this.constructor.queryParamsParse(null, url);
};