// base.js v2.3
(() => {
const { Component, NewState } = globalThis
// 工具函数
globalThis.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 => $base64(str).replace(/[+/=]/g, m => ({ '+': '-', '/': '', '=': '' }[m])),
unurlbase64: str => $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+<").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
}
},
}
// url hash 状态
let _hashParams = new URLSearchParams(window.location.hash?.substring(1) || '')
globalThis.Hash = NewState({}, k => Util.safeJson(_hashParams.get(k)), (k, v) => {
const oldStr = _hashParams.get(k)
const newStr = v === undefined ? undefined : JSON.stringify(v)
if (oldStr === newStr || (oldStr === null && newStr === undefined)) return
v === undefined ? _hashParams.delete(k) : _hashParams.set(k, newStr)
window.location.hash = '#' + _hashParams.toString()
})
window.addEventListener('hashchange', () => {
const oldHashParams = _hashParams
_hashParams = new URLSearchParams(window.location.hash?.substring(1) || '')
_hashParams.forEach((v, k) => { if (oldHashParams.get(k) !== v) Hash[k] = Util.safeJson(v) })
oldHashParams.forEach((v, k) => { if (_hashParams.get(k) === undefined) Hash[k] = undefined })
})
// localstorage 状态
globalThis.LocalStorage = NewState({}, k => Util.safeJson(localStorage.getItem(k)), (k, v) => {
const oldStr = localStorage.getItem(k)
const newStr = v === undefined ? undefined : JSON.stringify(v)
if (oldStr === newStr || (oldStr === null && newStr === undefined)) return
v === undefined ? localStorage.removeItem(k) : localStorage.setItem(k, newStr)
})
document.addEventListener('DOMContentLoaded', () => {
const htmlNode = document.documentElement
if (!htmlNode.hasAttribute('$data-bs-theme') && !htmlNode.hasAttribute('data-bs-theme')) htmlNode.setAttribute('$data-bs-theme', "LocalStorage.darkMode?'dark':'light'")
}, true)
// 页面退出状态
globalThis.State = NewState()
State.exitBlocks = 0
window.addEventListener('beforeunload', (event) => {
if (State.exitBlocks > 0) event.preventDefault()
})
// HTTP 和 API 组件
globalThis.HTTP = {
get: ({ url, ...opt }) => HTTP.request({ url, method: 'GET', ...opt }),
post: ({ url, data, ...opt }) => HTTP.request({ url, method: 'POST', data, ...opt }),
put: ({ url, data, ...opt }) => HTTP.request({ url, method: 'PUT', data, ...opt }),
delete: ({ url, ...opt }) => HTTP.request({ url, method: 'DELETE', ...opt }),
head: ({ url, ...opt }) => HTTP.request({ url, method: 'HEAD', ...opt }),
request: async ({ url, method = 'POST', data = undefined, headers = {}, responseType, timeout = 10000 }) => {
method = method.toUpperCase()
const options = { method, signal: AbortSignal.timeout?.(timeout) }
if (data !== undefined && method !== 'GET' && method !== 'HEAD') {
if (data instanceof HTMLFormElement) data = new FormData(data)
if (data && typeof data === 'object' && !(data instanceof FormData) && !(data instanceof ArrayBuffer || ArrayBuffer.isView(data)) && Object.values(data).some(v => v instanceof File || v instanceof Blob || v instanceof FileList || (Array.isArray(v) && v.some(i => i instanceof File || i instanceof Blob)))) {
const fd = new FormData()
for (const [k, v] of Object.entries(data)) {
if (v instanceof FileList || Array.isArray(v)) Array.from(v).forEach(item => fd.append(k, item))
else if (v !== undefined && v !== null) fd.append(k, v)
}
data = fd
}
if (data instanceof FormData) {
delete headers['Content-Type']
} else if (typeof data !== 'string' && !(data instanceof ArrayBuffer || ArrayBuffer.isView(data))) {
data = JSON.stringify(data)
if (!headers['Content-Type']) headers['Content-Type'] = 'application/json'
}
options.body = data
}
if (Object.keys(headers).length) options.headers = headers
const response = { error: null, ok: null, status: 0, headers: {}, responseType: '', result: null }
try {
const resp = await fetch(url, options)
Object.assign(response, { ok: resp.ok, status: resp.status, headers: Object.fromEntries(resp.headers.entries()) })
if (!responseType) {
const contentType = resp.headers.get('Content-Type') || ''
if (contentType.includes('application/json')) responseType = 'json'
else if (/image|video|audio|pdf|zip|octet-stream/.test(contentType)) responseType = 'binary'
else responseType = 'text'
response.responseType = responseType
}
if (response.ok === false) response.error = (response.statusText || 'HTTP ' + response.status + ' error') + ' for ' + url
if (responseType === 'json') response.result = await resp.json()
else response.result = (responseType === 'binary') ? await resp.arrayBuffer() : await resp.text()
} catch (err) {
Object.assign(response, { error: err.message || String(err), ok: false })
}
return response
}
}
Component.register('API', container => {
container.request = NewState({ url: '', method: 'GET', headers: {}, data: null, timeout: 10000, responseType: '' })
container.response = NewState({ loading: false, ok: null, status: null, error: null, headers: {}, responseType: '', result: null })
container.result = NewState()
container.do = (opt = {}) => {
return new Promise((resolve, reject) => {
const req = { ...container.request, ...opt }
if (!req.url) throw new Error('.url is required')
req.headers = { ...container.request.headers, ...opt.headers }
container.response.loading = true
HTTP.request(req).then(resp => {
Object.keys(resp).forEach(k => { if (k !== 'result') container.response[k] = resp[k] })
if (resp.result && typeof resp.result === 'object' && container.result && typeof container.result === 'object') {
Object.assign(container.result, resp.result)
} else {
container.result = resp.result
}
container.response.loading = false
if (resp.ok === false) throw new Error(resp.error)
if (typeof resp.result === 'object' && resp.result.error) throw new Error(resp.result.error)
container.dispatchEvent(new CustomEvent('response', { detail: resp, bubbles: false }))
resolve(resp)
}).catch(err => {
if (!opt.noui) UI.toast(err.message, { type: 'danger' })
container.dispatchEvent(new CustomEvent('error', { detail: err, bubbles: true }))
reject(err)
})
})
}
let _autoTimer = null
container.request.__watch(null, () => {
if (!container.hasAttribute('auto') || !container.request.url) return
if (_autoTimer) return
_autoTimer = Promise.resolve().then(() => {
container.do()
_autoTimer = null
})
})
})
globalThis.UI = {}
// 模态窗口和对话框组件
Component.register('Modal', container => {
container.modal = new bootstrap.Modal(container)
container.addEventListener('bind', e => {
e.detail ? container.modal.show() : container.modal.hide()
})
container.addEventListener('hide.bs.modal', () => {
document.activeElement?.blur()
container.dispatchEvent(new CustomEvent('change', { bubbles: false, detail: false }))
})
Util.copyFunction(container, container.modal, 'show', 'hide')
}, Util.makeDom(/*html*/`
`))
Component.register('Dialog', Component.getSetupFunction('Modal'), Util.makeDom(/*html*/`
`))
let _dialogCount = 0
UI.showDialog = function ({ title = '', message = '', buttons = ['{#Close#}'], type = 'body' }) {
const d = document.body.appendChild(document.createElement('Dialog'))
d.style.zIndex = 2000 + ++_dialogCount
Promise.resolve().then(() => {
Object.assign(d.state, { message, title, type, buttons })
d.show()
})
return new Promise((resolve) => {
d.addEventListener('change', e => {
_dialogCount--
resolve(d.result || 0)
d.remove()
})
})
}
UI.alert = function (message, options = {}) {
return UI.showDialog({ message, ...options })
}
UI.confirm = function (message, options = {}) {
return new Promise((resolve) => UI.showDialog({ message, buttons: ['{#Cancel#}', '{#Confirm#}'], ...options }).then(index => resolve(index >= 2)).catch(() => resolve(false)))
}
// 通知组件
Component.register('Toast', container => {
container.toast = new bootstrap.Toast(container, { autohide: container.state.delay > 0 })
Util.copyFunction(container, container.toast, 'show', 'hide')
container.addEventListener('show.bs.toast', () => {
if (container.state.delay > 0) {
let timer
const startTimer = () => {
container.state.left = container.state.delay / 1000
timer = setInterval(() => {
if (!container.isConnected || --container.state.left <= 0) clearInterval(timer)
}, 1000)
}
startTimer()
container.addEventListener('mouseenter', () => { clearInterval(timer); container.state.left = undefined })
container.addEventListener('mouseleave', startTimer)
}
})
}, Util.makeDom(/*html*/`
`), Util.makeDom(/*html*/``))
UI.toast = function (message, options = {}) {
const delay = options.delay ?? 5000
const t = document.createElement('Toast')
t.state = { delay, left: delay ? delay / 1000 : undefined, type: options.type || 'body', message, buttons: options.buttons || [] }
$(`[toast-container="${options.container || 'default'}"]`).appendChild(t)
Promise.resolve().then(() => t.show())
}
UI.toastConfirm = function (message, options = {}) {
return new Promise((resolve) => UI.toast(message, { buttons: ['{#Confirm#}'], ...options }).then(index => resolve(index === 1)).catch(() => resolve(false)))
}
Component.register('AutoForm', container => {
if (!container.schema) container.schema = []
container.vertical = container.hasAttribute('vertical')
container.request = { method: 'POST' }
container.response = {}
container.result = null
container.data = NewState(container.data || {})
container.form = $(container, 'form')
container.submit = (opt = {}) => {
if (!container.form.reportValidity()) return UI.toast('{#verify failed#}', { type: 'danger' })
if (!container.dispatchEvent(new CustomEvent('submit', { detail: container.data, cancelable: true, bubbles: false }))) return
const req = { ...container.request, data: container.data, noui: true, ...opt }
let task = null
if (container.api) task = container.api.do(req)
else if (container.request.url) task = HTTP.request(req)
else return console.warn('{#please config .api or .request.url to auto submit#}')
task.then(resp => {
container.response = resp
container.result = resp.result
if (typeof resp.result === 'object' && resp.result.error) throw new Error(resp.result.error)
container.dispatchEvent(new CustomEvent('response', { detail: resp, bubbles: false }))
}).catch(err => {
UI.toast(err.message, { type: 'danger' })
container.dispatchEvent(new CustomEvent('error', { detail: err, bubbles: true }))
})
}
}, Util.makeDom(/*html*/`
`), Util.makeDom(/*html*/``))
const _pendingAutoFormComponents = []
globalThis.AutoForm = {
register: name => {
if (document.readyState !== 'loading') AutoForm._addAutoFormComponent(name)
else _pendingAutoFormComponents.push(name)
},
_addAutoFormComponent: name => {
$(Component.getTemplate('AutoForm')?.content, '[control-wrapper]').appendChild(Util.makeDom(`<${name} $if="item.type.toUpperCase() === '${name.toUpperCase()}'" $name="item.name" $.="item.setting" $bind="this.data[item.name]">${name}>`))
}
}
document.addEventListener('DOMContentLoaded', () => {
_pendingAutoFormComponents.forEach(name => AutoForm._addAutoFormComponent(name))
_pendingAutoFormComponents.length = 0
}, true)
Component.register('TagsInput', container => {
container.addEventListener('bind', e => {
container.state.tags = e.detail || []
})
}, Util.makeDom(/*html*/`
{
if (event.isComposing) return
if (['Enter', ',', ' '].includes(event.key)) {
event.preventDefault()
const v = thisNode.value.trim()
if (v && !this.state.tags.includes(v)) {
this.state.tags.push(v)
this.state.tags = this.state.tags
this.dispatchEvent(new CustomEvent('change', { bubbles: false, detail: this.state.tags }))
}
thisNode.value = ''
}
})}">
`), Util.makeDom(/*html*/``))
AutoForm.register('TagsInput')
Component.register('FastList', container => {
const itemHeights = new Map()
const groupHeights = new Map()
let groupItemCount = 1
container.state.renderedList = []
const avg = Util.newAvg()
let containerPaddingTop = 0
let containerRowGap = 0
let topMargin = 0
let listStartIndex = 0
let visibleStartIndex = 0
let visibleCount = 10
let listInited = false
container.onItemUpdate = (index, node) => {
const absoluteIndex = index + listStartIndex
const oldHeight = itemHeights.get(absoluteIndex)
const style = window.getComputedStyle(node)
const marginTop = parseFloat(style.marginTop) || 0
const marginBottom = parseFloat(style.marginBottom) || 0
const newHeight = node.offsetHeight + marginTop + marginBottom + containerRowGap
if (absoluteIndex === 0 && !topMargin) topMargin = marginTop
if (newHeight !== oldHeight) {
itemHeights.set(absoluteIndex, newHeight)
avg.add(newHeight)
const offset = newHeight - oldHeight || 0
const groupIndex = absoluteIndex - (absoluteIndex % groupItemCount)
if (groupHeights.has(groupIndex)) groupHeights.set(groupIndex, groupHeights.get(groupIndex) + offset)
}
}
// const timeCount = Util.newTimeCount()
container.refresh = () => {
if (!listInited) return
// timeCount.start()
visibleCount = Math.ceil((container.clientHeight || 100) / (avg.get() || 32))
let list = []
const fullList = container.state.list
const fullSize = fullList.length
let i = 0
let prev = containerPaddingTop + topMargin + containerRowGap
let post = 0
let starus = 0
for (i = 0; i < fullSize; i++) {
if (starus === 0) {
// 可视位置之前的计算
const gh = groupHeights.get(i)
if (gh && prev + gh < container.scrollTop) {
prev += gh
i += Math.min(groupItemCount, fullSize - i) - 1
} else {
const ih = itemHeights.get(i)
if (prev + ih < container.scrollTop) {
prev += ih
} else {
starus = 1
// 可视位置处理
visibleStartIndex = Math.max(0, i)
listStartIndex = Math.max(0, visibleStartIndex - visibleCount)
const listEndIndex = Math.min(listStartIndex + visibleCount * 3, fullSize)
i = listEndIndex - 1
list = fullList.slice(listStartIndex, listEndIndex)
for (let j = listStartIndex; j < visibleStartIndex; j++) prev -= itemHeights.get(j)
}
}
} else if (starus === 1) {
// 底部填充计算
const gh = groupHeights.get(i)
if (gh) {
post += gh
i += groupItemCount - 1
} else {
post += itemHeights.get(i)
}
}
}
// console.info('FastList refresh make list:', timeCount.end())
container.state.prevHeight = prev - containerPaddingTop - topMargin - containerRowGap
container.state.postHeight = post
container.state.renderedList = list
// console.info('FastList refresh time:', timeCount.end())
}
container.state.__watch('list', list => {
listInited = false
itemHeights.clear()
groupHeights.clear()
avg.clear()
if (!list?.length) return
const listSize = list.length || 0
groupItemCount = Math.ceil(Math.sqrt(listSize)) || 10
const style = window.getComputedStyle(container)
containerPaddingTop = parseFloat(style.paddingTop)
containerRowGap = parseFloat(style.rowGap) || 0
container.state.renderedList = list.slice(0, Math.min(30, listSize)) || []
setTimeout(() => {
// 渲染一批之后立刻计算所有高度
container.state.list.forEach((item, index) => itemHeights.set(index, avg.get()))
for (let i = 0; i < listSize; i += groupItemCount) groupHeights.set(i, Math.min(groupItemCount, listSize - i) * avg.get())
listInited = true
container.refresh()
})
})
}, Util.makeDom(/*html*/`
0" $style="height:\${this.state.prevHeight}px;" class="flex-shrink-0">
0" $style="height:\${this.state.postHeight}px;" class="flex-shrink-0">
`))
Component.attachSelectFeature = (container, eventName = 'itemclick', selectActionName = 'selectItem', activeActionName = 'itemActiveTag', selectedItemKey = 'selectedItem', idfieldKey = 'idfield', selectableAttr = 'auto-select') => {
const selectable = selectableAttr && container.hasAttribute(selectableAttr)
container[selectActionName] = (item, index) => {
if (selectable) container.state[selectedItemKey] = container.state[selectedItemKey] === item[container[idfieldKey]] ? null : item[container[idfieldKey]]
container.dispatchEvent(new CustomEvent(eventName, { bubbles: false, detail: !selectable || container.state[selectedItemKey] ? { item, index } : { item: {}, index: null } }))
}
container[activeActionName] = (item) => container.state[selectedItemKey] !== null && container.state[selectedItemKey] === item[container[idfieldKey]] ? 'active' : ''
}
Component.register('List', container => {
Component.attachSelectFeature(container)
const defaultSets = { idfield: 'id', labelfield: 'label', summaryfield: 'summary' }
container.state.__watch('list', oldList => {
Util.updateDefaults(container, defaultSets)
})
}, Util.makeDom(/*html*/`
\${item[this.labelfield]}
`))
Component.register('GroupedList', container => {
Component.getSetupFunction('List')(container)
container._selectItem = container.selectItem
container.selectItem = (item, index) => {
container.state.selectedGroup = null
container._selectItem(item, index)
}
Component.attachSelectFeature(container, 'groupclick', 'selectGroup', 'groupActiveTag', 'selectedGroup', 'groupidfield', container.hasAttribute('auto-select') && 'group-selectable')
container._selectGroup = container.selectGroup
container.selectGroup = (item, index) => {
container.state.selectedItem = null
container._selectGroup(item, index)
}
const defaultSets = { typefield: 'type', groupidfield: 'id', grouplabelfield: 'label', groupsummaryfield: 'summary', groupfield: 'group' }
container.state.__watch('list', oldList => {
Util.updateDefaults(container, defaultSets)
const newList = [];
(container.state.groups || []).forEach(group => {
newList.push({ [container.typefield]: 'group', ...group })
if (oldList) oldList.forEach(item => {
if (item[container.groupfield] === group[container.groupidfield]) {
newList.push({ [container.typefield]: 'item', ...item })
}
})
})
aa = container
return newList
})
}, Util.makeDom(/*html*/`
\${item[this.grouplabelfield]}
\${item[this.labelfield]}
`))
Component.register('FastGroupedList', container => {
Component.getSetupFunction('List')(container)
Component.getSetupFunction('GroupedList')(container)
}, Util.makeDom(/*html*/`
\${item[this.grouplabelfield]}
\${item[this.labelfield]}
`))
Component.register('Tree', container => {
const defaultSets = { parentfield: 'parent', groupicon: 'folder', itemicon: 'file' }
container.state.__watch('list', () => {
Util.updateDefaults(container, defaultSets)
const childrenMap = {};
(container.state.list || []).forEach(item => (childrenMap[item[container.parentfield] || ''] ??= []).push(item))
const newList = []
const traverse = (list, level) => list.forEach(item => {
const id = item[container.idfield]
const hasChildren = !!childrenMap[id]?.length
newList.push({ ...item, _level: level, _hasChildren: hasChildren })
if (hasChildren) traverse(childrenMap[id], level + 1)
})
traverse(childrenMap[''] || [], 0)
return newList
})
}, Util.makeDom(/*html*/`
`))
Component.register('FastTree', container => {
Component.getSetupFunction('List')(container)
Component.getSetupFunction('Tree')(container)
}, Util.makeDom(/*html*/`
`))
Component.register('CollapseTree', container => {
Component.attachSelectFeature(container)
const defaultSets = { idfield: 'id', parentfield: 'parent', labelfield: 'label', summaryfield: 'summary' }
container.collapsed = NewState({})
container.state.__watch('list', () => {
Util.updateDefaults(container, defaultSets)
const childrenMap = {};
(container.state.list || []).forEach(item => (childrenMap[item[container.parentfield] || ''] ??= []).push(item))
const newList = []
const traverse = (list, level, parents) => list.forEach(item => {
const id = item[container.idfield]
const hasChildren = !!childrenMap[id]?.length
newList.push({ ...item, _level: level, _hasChildren: hasChildren, _parents: parents })
if (hasChildren) traverse(childrenMap[id], level + 1, [...parents, id])
})
traverse(childrenMap[''] || [], 0, [])
return newList
})
}, Util.makeDom(/*html*/`
this.collapsed[cur])" $class="list-group-item list-group-item-action d-flex ps-2 align-items-center \${this.itemActiveTag?.(item)}" $onclick="this.selectItem(item,index)">
`))
Component.register('Nav', container => {
container.click = (item, noselect) => {
if (!item.noselect && !noselect) Hash.nav = item.name
container.dispatchEvent(new CustomEvent('nav', { detail: { item }, bubbles: false }))
}
}, Util.makeDom(/*html*/`
`))
let _mouseMoverMoving = false
let _mouseMoverPos = {}
let _mouseMoverEvents = {}
globalThis.MouseMover = {
start: (event, { onmousemove, onmouseup }) => {
_mouseMoverPos = { x: event.clientX, y: event.clientY, w: 0, h: 0 }
_mouseMoverEvents = { onmousemove, onmouseup }
_mouseMoverMoving = true
},
}
document.addEventListener('mouseup', event => {
if (!_mouseMoverMoving) return
_mouseMoverMoving = false
_mouseMoverEvents.onmouseup?.({ event, ..._mouseMoverPos })
})
document.addEventListener('mousemove', event => {
if (!_mouseMoverMoving) return
_mouseMoverPos.w = event.clientX - _mouseMoverPos.x
_mouseMoverPos.h = event.clientY - _mouseMoverPos.y
_mouseMoverEvents.onmousemove?.({ event, ..._mouseMoverPos })
})
Component.register('Resizer', container => {
const isVertical = container.hasAttribute('vertical')
const min = parseInt(container.getAttribute('min')) || 10
const max = parseInt(container.getAttribute('max')) || 1000
const target = container.target || container.previousElementSibling
const getSize = (startSize, w, h) => {
const newSize = startSize + (isVertical ? h : w)
return newSize < min ? min : newSize > max ? max : newSize
}
container.addEventListener('mousedown', event => {
const startSize = isVertical ? target.offsetHeight : target.offsetWidth
MouseMover.start(event, {
onmousemove: ({ w, h }) => target.style[isVertical ? 'height' : 'width'] = getSize(startSize, w, h) + 'px',
onmouseup: ({ w, h }) => container.dispatchEvent(new CustomEvent('resize', { detail: { oldSize: startSize, newSize: getSize(startSize, w, h) }, bubbles: false })),
})
})
}, Util.makeDom(/*html*/`
`))
})()