99 lines
2.6 KiB
JavaScript
99 lines
2.6 KiB
JavaScript
export const hash = (str, seed = 0) => {
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let h1 = 0xdeadbeef ^ seed,
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h2 = 0x41c6ce57 ^ seed;
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for (let i = 0, ch; i < str.length; i++) {
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ch = str.charCodeAt(i);
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h1 = Math.imul(h1 ^ ch, 2654435761);
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h2 = Math.imul(h2 ^ ch, 1597334677);
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}
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h1 = Math.imul(h1 ^ (h1 >>> 16), 2246822507) ^ Math.imul(h2 ^ (h2 >>> 13), 3266489909);
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h2 = Math.imul(h2 ^ (h2 >>> 16), 2246822507) ^ Math.imul(h1 ^ (h1 >>> 13), 3266489909);
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return 4294967296 * (2097151 & h2) + (h1 >>> 0);
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}
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export const generateUUID = () => {
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let d = new Date().getTime()// Timestamp
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let d2 = ((typeof performance !== 'undefined') && performance.now && (performance.now() * 1000)) || 0// Time in microseconds since page-load or 0 if unsupported
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return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function (c) {
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let r = Math.random() * 16// random number between 0 and 16
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if (d > 0) { // Use timestamp until depleted
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r = (d + r) % 16 | 0
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d = Math.floor(d / 16)
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} else { // Use microseconds since page-load if supported
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r = (d2 + r) % 16 | 0
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d2 = Math.floor(d2 / 16)
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}
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return (c === 'x' ? r : (r & 0x3 | 0x8)).toString(16)
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})
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}
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/*
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* Url and domain related utils
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*/
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/**
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* Returns the appUrl with the given path appended.
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* @param path
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* @returns {string}
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*/
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export const appUrl = (path = '/') => {
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let baseUrl = useRuntimeConfig().public.appUrl
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if (!baseUrl) {
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console.warn('appUrl not set in runtimeConfig')
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return path
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}
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if (path.startsWith('/')) {
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path = path.substring(1)
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}
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if (!baseUrl.endsWith('/')) {
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baseUrl += '/'
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}
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return baseUrl + path
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}
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/**
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* SSR compatible function to get current host
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* @param path
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* @returns {string}
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*/
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export const getHost = function () {
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if (process.server) {
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return getDomain(useNuxtApp().ssrContext?.event.context.siteConfigNitroOrigin) || useNuxtApp().ssrContext?.event.node.req.headers.host
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} else {
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return window.location.host
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}
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}
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/**
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* Extract domain from url
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* @param url
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* @returns {*}
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*/
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export const getDomain = function (url) {
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if (url.includes('localhost')) return 'localhost'
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try {
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if (!url.startsWith('http')) url = 'https://' + url
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return (new URL(url)).hostname
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} catch (e) {
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return url
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}
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}
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/**
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* Returns true if the app is running on a custom domain, false otherwise.
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* @returns {boolean}
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*/
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export const customDomainUsed = function() {
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const config = useRuntimeConfig()
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if (!config.public.customDomainsEnabled) return false
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const appDomain = getDomain(config.public.appUrl)
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const host = getHost()
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return host !== appDomain && getDomain(host) !== appDomain
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}
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