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panel.js
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panel.js
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var queryString = require('query-string')
var objectKeys = require('object-keys')
var html = require('choo/html')
var assert = require('assert')
var smarkt = require('smarkt')
var xtend = require('xtend')
var path = require('path')
var xhr = require('xhr')
var reservedKeys = ['files', 'pages', 'url', 'name', 'path']
module.exports = panel
function panel () {
return async function (state, emitter) {
var archive
state.content = { }
state.site = {
loaded: false,
blueprints: { },
config: { },
info: { }
}
state.enoki = {
changes: { },
loading: false
}
state.events.ENOKI_FILES_ADD = 'enoki:files:add'
state.events.ENOKI_SITE_LOAD = 'enoki:site:load'
state.events.ENOKI_PAGE_ADD = 'enoki:page:add'
state.events.ENOKI_LOADING = 'enoki:loading'
state.events.ENOKI_UPDATED = 'enoki:updated'
state.events.ENOKI_CANCEL = 'enoki:cancel'
state.events.ENOKI_UPDATE = 'enoki:update'
state.events.ENOKI_REMOVE = 'enoki:remove'
state.events.ENOKI_MOVE = 'enoki:move'
state.events.ENOKI_SAVE = 'enoki:save'
emitter.on(state.events.ENOKI_FILES_ADD, handleFilesAdd)
emitter.on(state.events.ENOKI_SITE_LOAD, handleSiteLoad)
emitter.on(state.events.ENOKI_PAGE_ADD, handlePageAdd)
emitter.on(state.events.ENOKI_LOADING, handleLoading)
emitter.on(state.events.ENOKI_UPDATE, handleUpdate)
emitter.on(state.events.ENOKI_CANCEL, handleCancel)
emitter.on(state.events.ENOKI_REMOVE, handleRemove)
emitter.on(state.events.ENOKI_SAVE, handleSave)
function handleUpdate (data) {
assert.equal(typeof data, 'object', 'enoki: data must be type object')
assert.equal(typeof data.url, 'string', 'enoki: data.url must be type string')
assert.equal(typeof data.data, 'object', 'enoki: data.data must be type string')
// get the changes and merge them
var changes = state.enoki.changes[data.url]
state.enoki.changes[data.url] = xtend(changes, data.data)
// trigger updated and render
emitter.emit(state.events.ENOKI_UPDATED)
if (data.render !== false) emitter.emit(state.events.RENDER)
}
async function handleSave (data) {
assert.equal(typeof data, 'object', 'enoki: arg1 must be type object')
assert.equal(typeof data.path, 'string', 'enoki: arg1.path must be type string')
assert.equal(typeof data.url, 'string', 'enoki: arg1.url must be type string')
assert.equal(typeof data.data, 'object', 'enoki: arg1.data must be type object')
emitter.emit(state.events.ENOKI_LOADING, { loading: true })
emitter.emit(state.events.RENDER)
try {
var contentPage = state.content[data.url]
var content = xtend(state.content[data.url], data.data)
var file = data.file || state.site.config.file || 'index.txt'
var pathFile = path.join(data.path, file)
// delete reserved keys
reservedKeys.forEach(key => delete content[key])
// create the file and save
await archive.writeFile(pathFile, smarkt.stringify(content))
await archive.commit()
// add to state and remove from changes
state.content[data.url] = xtend(state.content[data.url], state.enoki.changes[data.url])
delete state.enoki.changes[data.url]
// refresh and create the content json
emitter.once(state.events.SITE_REFRESHED, writeContentJson)
emitter.emit(state.events.SITE_REFRESH)
} catch (err) {
alert(err.message)
console.warn(err)
}
emitter.emit(state.events.ENOKI_LOADING, { loading: false })
emitter.emit(state.events.RENDER)
}
function handleCancel (data) {
assert.equal(typeof data, 'object', 'enoki: data must be type object')
assert.equal(typeof data.url, 'string', 'enoki: data.url must be type string')
// discard our changes
delete state.enoki.changes[data.url]
emitter.emit(state.events.RENDER)
}
function handleLoading (data) {
if (data && data.loading !== undefined) {
state.enoki.loading = data.loading
} else {
state.enoki.loading = false
}
if (data.render !== false) emitter.emit(state.events.RENDER)
}
async function handlePageAdd (data) {
assert.equal(typeof data, 'object', 'enoki: data must be type object')
assert.equal(typeof data.path, 'string', 'enoki: data.path must be type string')
assert.equal(typeof data.url, 'string', 'enoki: data.url must be type string')
assert.equal(typeof data.title, 'string', 'enoki: data.title must be type string')
assert.equal(typeof data.view, 'string', 'enoki: data.view must be type string')
emitter.emit(state.events.ENOKI_LOADING, { loading: true })
try {
var content = { title: data.title, view: data.view }
var file = data.file || state.site.config.file
var pathFile = path.join(data.path, file)
// create the directory and file
await archive.mkdir(data.path)
await archive.writeFile(pathFile, smarkt.stringify(content))
emitter.emit(state.events.SITE_REFRESH)
} catch (err) {
alert(err.message)
console.warn(err)
}
emitter.emit(state.events.ENOKI_LOADING, { loading: false, render: false })
if (data.redirect !== false) emitter.emit(state.events.REPLACESTATE, '?url=' + data.url)
}
async function handleRemove (data) {
assert.equal(typeof data, 'object', 'enoki: data must be type object')
assert.equal(typeof data.url, 'string', 'enoki: data.url must be type string')
assert.equal(typeof data.path, 'string', 'enoki: data.path must be type string')
if (data.confirm) {
return window.confirm(`Are you sure you want to delete ${data.title || data.path}?`)
}
emitter.emit(state.events.ENOKI_LOADING, { loading: true })
try {
var isFile = path.extname(data.path)
if (isFile) {
await archive.unlink(data.path)
try { await archive.unlink(data.path + '.txt') } catch (err) { }
} else {
await archive.rmdir(data.path, { recursive: true })
}
emitter.emit(state.events.SITE_REFRESH)
if (data.redirect !== false) {
emitter.emit(
state.events.REPLACESTATE,
'?url=' + path.join(data.url, '../').replace(/\/$/, '')
)
}
} catch (err) {
alert(err.message)
console.warn(err)
}
emitter.emit(state.events.ENOKI_LOADING, { loading: false })
}
async function handleFilesAdd (data) {
assert.equal(typeof data, 'object', 'enoki: data must be type object')
assert.equal(typeof data.url, 'string', 'enoki: data.url must be type string')
assert.equal(typeof data.path, 'string', 'enoki: data.path must be type string')
assert.equal(typeof data.files, 'object', 'enoki: data.files must be type object')
emitter.emit(state.events.ENOKI_LOADING, { loading: true })
await Promise.all(objectKeys(data.files).map(saveFile))
emitter.emit(state.events.ENOKI_LOADING, { loading: false })
async function saveFile (key) {
try {
var file = data.files[key]
var filePath = path.join(data.path, file.name)
var fileEncoded = await getBase64(file)
var encoder = typeof fileEncoded === 'string' ? 'base64' : 'binary'
return archive.writeFile(filePath, fileEncoded, encoder)
} catch (err) {
alert(err.message)
console.warn(err)
}
}
}
function handleSiteLoad (data) {
if (data.content) state.content = data.content
if (data.site) state.site = data.site
if (data.archive) archive = data.archive
if (data.render !== false) emitter.emit(state.events.RENDER)
}
async function writeContentJson () {
try { await archive.readdir('/bundles') }
catch (err) { await archive.mkdir('/bundles') }
try {
await archive.writeFile(
'/bundles/content.json',
JSON.stringify(state.content, { }, 2)
)
await archive.commit()
} catch (err) {
console.warn(err)
}
}
}
}
function getBase64 (file) {
return new Promise(function (resolve, reject) {
var reader = new FileReader()
reader.readAsDataURL(file)
reader.onload = function () {
resolve(reader.result.split(',')[1])
}
reader.onerror = function (error) {
reject(error)
}
})
}