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import Type from '../type';
export default class Cookie
{
/**
* Gets cookies list for current domain
* @return {object}
*/
static getList(): {[key: string]: string}
{
return document.cookie
.split(';')
.map(item => item.split('='))
.map(item => item.map(subItem => subItem.trim()))
.reduce((acc, item) => {
const [key, value] = item;
acc[decodeURIComponent(key)] = (
decodeURIComponent(value)
);
return acc;
}, {});
}
/**
* Gets cookie value
* @param {string} name
* @return {*}
*/
static get(name)
{
const cookiesList = Cookie.getList();
if (name in cookiesList)
{
return cookiesList[name];
}
return undefined;
}
/**
* Sets cookie
* @param {string} name
* @param {*} value
* @param {object} [options]
*/
static set(name, value, options = {})
{
const attributes = {
expires: '',
...options,
};
if (Type.isNumber(attributes.expires))
{
const now = (+new Date());
const days = attributes.expires;
const dayInMs = 864e+5;
attributes.expires = new Date(now + days * dayInMs);
}
if (Type.isDate(attributes.expires))
{
attributes.expires = attributes.expires.toUTCString();
}
const safeName = decodeURIComponent(String(name))
.replace(/%(23|24|26|2B|5E|60|7C)/g, decodeURIComponent)
.replace(/[()]/g, escape);
const safeValue = encodeURIComponent(String(value))
.replace(/%(23|24|26|2B|3A|3C|3E|3D|2F|3F|40|5B|5D|5E|60|7B|7D|7C)/g, decodeURIComponent);
const stringifiedAttributes = Object.keys(attributes)
.reduce((acc, key) => {
const attributeValue = attributes[key];
if (!attributeValue)
{
return acc;
}
if (attributeValue === true)
{
return `${acc}; ${key}`;
}
/**
* Considers RFC 6265 section 5.2:
* ...
* 3. If the remaining unparsed-attributes contains a %x3B (';')
* character:
* Consume the characters of the unparsed-attributes up to,
* not including, the first %x3B (';') character.
*/
return `${acc}; ${key}=${attributeValue.split(';')[0]}`;
}, '');
document.cookie = `${safeName}=${safeValue}${stringifiedAttributes}`;
}
/**
* Removes cookie
* @param {string} name
* @param {object} [options]
*/
static remove(name, options = {})
{
Cookie.set(name, '', {...options, expires: -1});
}
}