spacex / public /static /cookies.js
neon_arch
๐Ÿšธ chore: add code to display saved user settings from the cookies on the settings page (#461)
3446820
/**
* This functions gets the saved cookies if it is present on the user's machine If it
* is available then it is parsed and converted to an object which is then used to
* retrieve the preferences that the user had selected previously and is then loaded
* and used for displaying the user provided settings by setting them as the selected
* options in the settings page.
*
* @function
* @param {string} cookie - It takes the client settings cookie as a string.
* @returns {void}
*/
function setClientSettingsOnPage(cookie) {
let cookie_value = cookie
.split(';')
.map((item) => item.split('='))
.reduce((acc, [_, v]) => (acc = JSON.parse(v)) && acc, {})
// Loop through all select tags and add their values to the cookie dictionary
document.querySelectorAll('select').forEach((select_tag) => {
switch (select_tag.name) {
case 'themes':
select_tag.value = cookie_value['theme']
break
case 'colorschemes':
select_tag.value = cookie_value['colorscheme']
break
case 'animations':
select_tag.value = cookie_value['animation']
break
case 'safe_search_levels':
select_tag.value = cookie_value['safe_search_level']
break
}
})
let engines = document.querySelectorAll('.engine')
let engines_cookie = cookie_value['engines']
if (engines_cookie.length === engines.length) {
document.querySelector('.select_all').checked = true
engines.forEach((engine_checkbox) => {
engine_checkbox.checked = true
})
} else {
engines.forEach((engines_checkbox) => {
engines_checkbox.checked = false
})
engines_cookie.forEach((engine_name) => {
engines.forEach((engine_checkbox) => {
if (
engine_checkbox.parentNode.parentNode.innerText.trim() ===
engine_name.trim()
) {
engine_checkbox.checked = true
}
})
})
}
}
/**
* This function is executed when any page on the website finishes loading and
* this function retrieves the cookies if it is present on the user's machine.
* If it is available then the saved cookies is display in the cookies tab
* otherwise an appropriate message is displayed if it is not available.
*
* @function
* @listens DOMContentLoaded
* @returns {void}
*/
document.addEventListener(
'DOMContentLoaded',
() => {
try {
// Decode the cookie value
let cookie = decodeURIComponent(document.cookie)
// Set the value of the input field to the decoded cookie value if it is not empty
// Otherwise, display a message indicating that no cookies have been saved on the user's system
if (cookie.length) {
document.querySelector('.cookies input').value = cookie
// This function displays the user provided settings on the settings page.
setClientSettingsOnPage(cookie)
} else {
document.querySelector('.cookies input').value =
'No cookies have been saved on your system'
}
} catch (error) {
// If there is an error decoding the cookie, log the error to the console
// and display an error message in the input field
console.error('Error decoding cookie:', error)
document.querySelector('.cookies input').value = 'Error decoding cookie'
}
},
false,
)