some cleanup

This commit is contained in:
Robert Clarke 2019-05-07 16:09:15 +01:00
parent 34905fb69f
commit d56d45f19f

View file

@ -2,6 +2,7 @@
//Constants //Constants
const THEME_KEY = "ZULMA_THEME"; const THEME_KEY = "ZULMA_THEME";
const STOP_LINK_CSS_ID = "stop-blink"; const STOP_LINK_CSS_ID = "stop-blink";
const STYLESHEET_CLASSNAME = "stylesheet"
//Variables //Variables
let link = null; let link = null;
@ -24,23 +25,25 @@
//if this is the first load of the page, remove the current stylesheet early to avoid flash of wrongly styled content //if this is the first load of the page, remove the current stylesheet early to avoid flash of wrongly styled content
if (firstLoad) { if (firstLoad) {
document.querySelectorAll('.stylesheet').forEach((el) => { removeStylesheets();
el.remove();
});
} }
saveTheme(themeName); saveTheme(themeName);
}; };
function removeStylesheets() {
document.querySelectorAll(`.${STYLESHEET_CLASSNAME}`).forEach((el) => {
el.remove();
});
}
/* The function called when the css has finished loading */ /* The function called when the css has finished loading */
function onLinkLoad() { function onLinkLoad() {
link.removeEventListener('load', onLinkLoad); link.removeEventListener('load', onLinkLoad);
//remove the previous stylesheet(s) //remove the previous stylesheet(s)
document.querySelectorAll('.stylesheet').forEach((el) => { removeStylesheets();
el.remove();
});
//add stylesheet class //add stylesheet class
link.className += 'stylesheet'; link.className += STYLESHEET_CLASSNAME;
//make body visible again if it was hidden //make body visible again if it was hidden
showBody(); showBody();
}; };
@ -50,7 +53,7 @@
localStorage.setItem(THEME_KEY, themeName); localStorage.setItem(THEME_KEY, themeName);
}; };
/* Adds the given css to the head. */ /* Hides the body of the page */
function hideBody() { function hideBody() {
var head = document.getElementsByTagName('head')[0]; var head = document.getElementsByTagName('head')[0];
var style = document.createElement('style'); var style = document.createElement('style');
@ -66,6 +69,7 @@
head.appendChild(style); head.appendChild(style);
}; };
/* Shows the body of the page */
function showBody() { function showBody() {
let css = document.getElementById(STOP_LINK_CSS_ID); let css = document.getElementById(STOP_LINK_CSS_ID);
if (css) if (css)