bragi/web/js/theme.mjs
2020-06-21 20:12:03 -07:00

43 lines
978 B
JavaScript

export default class {
/**
* @property {boolean} #dark Interal state for dark theme activation.
* @private
*/
static #dark = false;
/**
* Inialize the theme class.
*/
static init() {
// Check LocalStorage for dark theme selection
if (localStorage.getItem('darkTheme') === 'true') {
// Update page theme
this.set(true);
}
}
/**
* Set page theme and update local storage variable.
*
* @param {boolean} dark Whether to activate dark theme.
*/
static set(dark = false) {
// Swap CSS to selected theme
document.getElementById('pagestyle')
.setAttribute('href', 'static/css/' + (dark ? 'dark' : 'main') + '.css');
// Update local storage
localStorage.setItem('darkTheme', dark);
// Update internal state
this.#dark = dark;
}
/**
* Swap page theme.
*/
static swap() {
this.set(!this.#dark);
}
}