56 lines
2.4 KiB
JavaScript
56 lines
2.4 KiB
JavaScript
// src/utils.js
|
|
(function(global) {
|
|
const Util = {
|
|
clone: window.structuredClone || (obj => JSON.parse(JSON.stringify(obj))),
|
|
base64: str => btoa(String.fromCharCode(...new TextEncoder().encode(str))),
|
|
unbase64: str => new TextDecoder().decode(Uint8Array.from(atob(str), c => c.charCodeAt(0))),
|
|
urlbase64: str => Util.base64(str).replace(/[+/=]/g, m => ({ '+': '-', '/': '', '=': '' }[m])),
|
|
unurlbase64: str => Util.unbase64(str.replace(/[-_.]/g, m => ({ '-': '+', '_': '/', '.': '=' }[m])).padEnd(Math.ceil(str.length / 4) * 4, '=')),
|
|
safeJson: str => { try { return JSON.parse(str) } catch { return null } },
|
|
updateDefaults: (obj, defaults) => { for (const k in defaults) if (obj[k] === undefined) obj[k] = defaults[k] },
|
|
copyFunction: (toObj, fromObj, ...funcNames) => { funcNames.forEach(name => toObj[name] = fromObj[name].bind(fromObj)) },
|
|
getFunctionBody: fn => { const code = fn.toString(); return code.slice(code.indexOf('{') + 1, code.lastIndexOf('}')).trim() },
|
|
makeDom: html => {
|
|
if (html.includes('>\n')) html = html.replace(/>\s+</g, "><").trim()
|
|
const node = document.createElement('div')
|
|
node.innerHTML = html
|
|
return node.children[0]
|
|
},
|
|
newAvg: () => {
|
|
let total = 0, count = 0, avg = 0
|
|
return {
|
|
add: (v) => {
|
|
total += v
|
|
count++
|
|
return avg = total / count
|
|
},
|
|
get: () => avg,
|
|
clear: () => { total = 0, count = 0, avg = 0 }
|
|
}
|
|
},
|
|
newTimeCount: () => {
|
|
let startTime = 0, total = 0, count = 0
|
|
return {
|
|
start: () => startTime = new Date().getTime(),
|
|
end: () => {
|
|
const endTime = new Date().getTime()
|
|
const left = endTime - startTime
|
|
startTime = endTime
|
|
total += left
|
|
count++
|
|
return left
|
|
},
|
|
avg: () => total / count
|
|
}
|
|
},
|
|
};
|
|
|
|
const $ = (a, b) => b ? a.querySelector(b) : document.querySelector(a);
|
|
const $$ = (a, b) => b ? a.querySelectorAll(b) : document.querySelectorAll(a);
|
|
|
|
global.Util = Util;
|
|
global.$ = $;
|
|
global.$$ = $$;
|
|
|
|
})(globalThis);
|