opnform/client/lib/utils.js

77 lines
1.8 KiB
JavaScript

export const hash = (str, seed = 0) => {
let h1 = 0xdeadbeef ^ seed,
h2 = 0x41c6ce57 ^ seed;
for (let i = 0, ch; i < str.length; i++) {
ch = str.charCodeAt(i);
h1 = Math.imul(h1 ^ ch, 2654435761);
h2 = Math.imul(h2 ^ ch, 1597334677);
}
h1 = Math.imul(h1 ^ (h1 >>> 16), 2246822507) ^ Math.imul(h2 ^ (h2 >>> 13), 3266489909);
h2 = Math.imul(h2 ^ (h2 >>> 16), 2246822507) ^ Math.imul(h1 ^ (h1 >>> 13), 3266489909);
return 4294967296 * (2097151 & h2) + (h1 >>> 0);
}
/*
* Url and domain related utils
*/
/**
* Returns the appUrl with the given path appended.
* @param path
* @returns {string}
*/
export const appUrl = (path = '/') => {
let baseUrl = useRuntimeConfig().public.appUrl
if (!baseUrl) {
console.warn('appUrl not set in runtimeConfig')
return path
}
if (path.startsWith('/')) {
path = path.substring(1)
}
if (!baseUrl.endsWith('/')) {
baseUrl += '/'
}
return baseUrl + path
}
/**
* SSR compatible function to get current host
* @param path
* @returns {string}
*/
export const getHost = function () {
if (process.server) {
return getDomain(useNuxtApp().ssrContext?.event.context.siteConfigNitroOrigin) || useNuxtApp().ssrContext?.event.node.req.headers.host
} else {
return window.location.host
}
}
/**
* Extract domain from url
* @param url
* @returns {*}
*/
export const getDomain = function (url) {
if (url.includes('localhost')) return 'localhost'
return (new URL(url)).hostname
}
/**
* Returns true if the app is running on a custom domain, false otherwise.
* @returns {boolean}
*/
export const customDomainUsed = function() {
const config = useRuntimeConfig()
const appDomain = getDomain(config.public.appUrl)
const host = getHost()
return host !== appDomain && getDomain(host) !== appDomain
}