mirror of https://github.com/dirtbags/moth.git
89 lines
1.8 KiB
JavaScript
89 lines
1.8 KiB
JavaScript
/**
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* Common functionality
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*/
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const Millisecond = 1
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const Second = Millisecond * 1000
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const Minute = Second * 60
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/** URL to the top of this MOTH server */
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const BaseURL = new URL(".", location)
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/** A channel to monitor for state updates (or to notify of state updates) */
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const StateUpdateChannel = new BroadcastChannel("StateUpdate")
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/**
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* Display a transient message to the user.
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*
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* @param {String} message Message to display
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* @param {Number} timeout How long before removing this message
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*/
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function Toast(message, timeout=5*Second) {
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console.info(message)
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for (let toasts of document.querySelectorAll(".toasts")) {
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let p = toasts.appendChild(document.createElement("p"))
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p.classList.add("toast")
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p.textContent = message
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setTimeout(() => p.remove(), timeout)
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}
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}
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/**
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* Run a function when the DOM has been loaded.
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*
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* @param {function():void} cb Callback function
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*/
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function WhenDOMLoaded(cb) {
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if (document.readyState === "loading") {
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document.addEventListener("DOMContentLoaded", cb)
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} else {
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cb()
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}
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}
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/**
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* Interprets a String as a Boolean.
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*
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* Values like "no" or "disabled" to mean false here.
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*
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* @param {String} s
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* @returns {Boolean}
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*/
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function Truthy(s) {
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switch (s.toLowerCase()) {
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case "disabled":
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case "no":
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case "off":
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case "false":
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return false
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}
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return true
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}
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/**
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* Fetch the configuration object for this theme.
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*
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* @returns {Promise.<Object>}
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*/
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async function Config() {
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let resp = await fetch(
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new URL("config.json", BaseURL),
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{
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cache: "no-cache"
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},
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)
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return resp.json()
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}
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export {
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Millisecond,
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Second,
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Minute,
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StateUpdateChannel,
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BaseURL,
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Toast,
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WhenDOMLoaded,
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Truthy,
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Config,
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}
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