bigsea.js
源码 https://github.com/BIGC-HUB/bigsea.js/blob/master/bigsea.js
示例
Sea('body').addClass('done')
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// 静态方法
Sea.static = {
// 打开新网页
open(url, replace) {
// 默认 https
if (url.startsWith('http')) {
// 不处理
} else if (url.startsWith('//')) {
url = 'http:' + url
} else if (url.startsWith('/')) {
// 不处理
} else {
url = 'https://' + url
}
if (replace) {
window.location = url
} else {
window.open(url)
}
},
// 浮点数运算
float(n, digit = 10) {
return parseFloat(n.toFixed(digit))
},
// 测试
ensure(bool, message) {
if (!bool) {
log('测试失败:', message)
}
},
// 循环 n 次后断点
cut(n) {
if (this.cut.count) {
this.cut.count--
if (this.cut.count == 1) {
delete this.cut.count
throw `断点：${n}次`
}
} else {
if (n > 1) {
this.cut.count = n
} else {
throw `断点`
}
}
},
// 返回 a-b 的随机数
random(a, b) {
return parseInt(Math.random() * (b - a) + a)
},
// 正则 特殊字符转义
re(s, flag) {
return new RegExp(s.replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$&'), flag || 'g')
},
// json 解析
json(s) {
try {
return JSON.parse(s)
} catch (err) {
return s
}
},
// 返回数据类型
type(obj) {
return Object.prototype.toString.call(obj).slice(8, -1).toLowerCase()
},
// url 解析
url(url) {
let obj = {}
let arr = []
// url
obj.url = url
// protocol
arr = url.split('://')
obj.protocol = arr[1] ? arr[0] : ''
url = arr[1] || arr[0]
// host
arr = url.split('/')
obj.host = arr[0]
url = arr.slice(1).join('/')
// port
obj.port = obj.host.split(':')[1] || 80
// hash
arr = url.split('#')
obj.hash = arr[1] || ''
url = arr[0]
// query
arr = url.split('?')
obj.query = this.query(arr[1])
url = arr[0]
// path
obj.path = '/' + url
// origin
obj.origin = obj.host
if (obj.protocol && obj.host) {
obj.origin = obj.protocol + '://' + obj.host
}
// href
obj.href = obj.origin + obj.path
return obj
},
// Ajax
Ajax(request) {
// 直接 GET 请求
if (typeof request === 'string') {
return new Promise((success, fail) => {
const r = new XMLHttpRequest()
r.open('GET', request, true)
r.onreadystatechange = () => {
// Promise 成功
if (r.readyState === 4) {
let res = this.json(r.response)
if (typeof this.Ajax.initRes === 'function') {
res = this.Ajax.initRes(res)
}
success(res)
}
}
r.onerror = function (err) {
fail(err)
}
r.send()
})
}
const req = {
method: (request.method || 'GET').toUpperCase(),
url: request.url || '',
data: request.data || {},
query: request.query || {},
header: request.header || {},
callback: request.callback,
cors: request.cors || '',
hash: request.hash || '',
timeout: request.timeout,
}
// 默认参数
if (typeof this.Ajax.default === 'function') {
req.data = Object.assign(this.Ajax.default(), req.data)
}
// host
if (!req.url.startsWith('http')) {
// 默认域名
req.url = (this.Ajax.HOST || '') + req.url
}
// url 解析
const url = this.url(req.url)
req.url = url.path
// query 请求
let query = Object.assign(url.query, req.query)
if (req.method === 'GET') {
query = Object.assign(query, req.data)
}
req.url += this.query(query)
// hash 锚点
const hash = req.hash || url.hash
if (hash) {
req.url += '#' + hash
}
// cors 跨域
if (req.cors) {
req.header.cors = url.origin
req.url = req.cors + req.url
} else {
req.url = url.origin + req.url
}
// promise
return new Promise((success, fail) => {
const r = new XMLHttpRequest()
// 跨域请求 cookie
if (this.Ajax.withCredentials) {
r.withCredentials = true
}
// 设置超时
if (req.timeout) {
r.timeout = req.timeout
}
r.open(req.method, req.url, true)
for (const key in req.header) {
r.setRequestHeader(key, req.header[key])
}
r.onreadystatechange = () => {
if (r.readyState === 4) {
let res = this.json(r.response)
if (typeof this.Ajax.initRes === 'function') {
res = this.Ajax.initRes(res)
}
// 回调函数
if (typeof req.callback === 'function') {
req.callback(res)
}
// Promise 成功
success(res)
}
}
r.onerror = (err) => {
fail(err)
}
if (req.method === 'GET') {
r.send()
} else {
// POST
if (typeof req.data === 'string') {
r.send(req.data)
} else {
// 默认 json
r.send(JSON.stringify(req.data))
}
}
})
},
// 文档 https://developer.qiniu.com/kodo/sdk/1283/javascript
upload(qiniu, file, token, callback) {
// 关于 key 要怎么处理自行解决，但如果为 undefined 或者 null 会使用上传后的 hash 作为 key.
let key = file.key
if (!key) {
const suffix = file.name.split('.')[1] || ''
key = `temp/${Date.now()}.${suffix}`
}
// 因人而异，自行解决
const putExtra = {}
const config = {}
const observable = qiniu.upload(file, key, token, putExtra, config)
const next = (event) => {
callback('next', event.total)
}
const error = (err) => {
callback('error', err)
}
const complete = (res) => {
callback('complete', res)
}
const uploadTask = observable.subscribe(next, error, complete)
// uploadTask.unsubscribe()
// 返回以方便取消上传操作
return uploadTask
},
// 生成样式 String
css(css, obj) {
// this.css('top:hover', {'display':'block', 'cursor':'zoom-in'})
let s = ''
for (let key in obj) {
let val = obj[key]
s += `${key}:${val};`
}
if (css) {
s = `${css}{${s}}`
}
return s
},
// 生成 query
query(obj) {
if (typeof obj === 'string') {
let result = {}
let start = obj.indexOf('?')
let end = obj.indexOf('#')
if (start === -1) {
start = 0
} else {
start += 1
}
if (end === -1) {
end = obj.length
}
obj = obj.slice(start, end)
if (obj) {
for (let e of obj.split('&')) {
let arr = e.split('=')
result[arr[0]] = arr[1] || ''
}
}
return result
} else {
let arr = []
for (let key in obj) {
let val = obj[key]
arr.push([key, val].join('='))
}
let s = ''
if (arr.length) {
s = '?' + arr.join('&')
}
return s
}
},
// 检查 Object
has(obj, path) {
if (this.get(obj, path) === null) {
return false
}
return true
},
// 获取 Object
get(obj, path) {
// 小海聚聚的完美回答
path = path.replace(/\[/g, '.').replace(/\]/g, '')
// path = path.replace(/\[(.+?)\]/g, '.$1')
if (obj && path) {
const arr = path.split('.')
for (const k of arr) {
if (typeof obj === 'object' && k in obj) {
obj = obj[k]
} else {
return null
}
}
return obj
}
},
// 本地存储
localStorage(key, val) {
if (val === undefined) {
return this.json(window.localStorage.getItem(key))
} else {
if (val === '') {
window.localStorage.removeItem(key)
} else {
window.localStorage.setItem(key, JSON.stringify(val))
}
}
},
// 深拷贝
deepCopy(data) {
return this.json(JSON.stringify(data))
},
}