lx-music-desktop/src/renderer/utils/music/utils.js
2022-08-11 17:01:18 +08:00

50 lines
1.3 KiB
JavaScript

import crypto from 'crypto'
import dns from 'dns'
import { qualityList } from '@renderer/core/share'
/**
* 获取音乐音质
* @param {*} info
* @param {*} type
*/
const types = ['flac32bit', 'flac', 'wav', 'ape', '320k', '192k', '128k']
export const getMusicType = (info, type) => {
let list = qualityList.value[info.source]
if (!list) return '128k'
if (!list.includes(type)) type = list[list.length - 1]
const rangeType = types.slice(types.indexOf(type))
for (const type of rangeType) {
if (info._types[type]) return type
}
return '128k'
}
export const toMD5 = str => crypto.createHash('md5').update(str).digest('hex')
const ipMap = new Map()
export const getHostIp = hostname => {
const result = ipMap.get(hostname)
if (typeof result === 'object') return result
if (result === true) return
ipMap.set(hostname, true)
// console.log(hostname)
dns.lookup(hostname, {
// family: 4,
all: false,
}, (err, address, family) => {
if (err) return console.log(err)
// console.log(address, family)
ipMap.set(hostname, { address, family })
})
}
export const dnsLookup = (hostname, options, callback) => {
const result = getHostIp(hostname)
if (result) return callback(null, result.address, result.family)
dns.lookup(hostname, options, callback)
}