waibu-mpa/lib/build-page.js

MPA support for Waibu Framework

import replaceTag from './build-page/replace-tag.js'
import injectElements from './build-page/inject-elements.js'
import applyInclude from './build-page/apply-include.js'
import attrsMutation from './build-page/attrs-mutation.js'
import manipulation from './build-page/manipulation.js'
import concatResources from './build-page/concat-resources.js'

function alert (text, message, opts = {}) {
  if (opts.partial) throw this.error(message)
  if (!this.config.page.insertWarning) return text
  const error = `<p class="warning">${message}</p>`
  return `${text}\n${error}`
}

const reqAsset = {}

async function buildPage ({ text, locals = {}, opts = {} } = {}) {
  const { find, cloneDeep } = this.app.lib._
  const { runHook, importPkg } = this.app.bajo
  const cheerio = await importPkg('bajoExtra:cheerio')
  const { req, reply } = opts
  if (!reqAsset[req.id]) {
    reqAsset[req.id] = {
      scriptBlock: { root: [] },
      styleBlock: { root: [] }
    }
  }
  const theme = find(this.themes, { name: opts.theme })
  if (!theme) text = alert.call(this, text, req.t('unknown%s%s', req.t('theme'), req.theme), opts)
  const iconset = find(this.iconsets, { name: opts.iconset })
  if (!iconset) text = alert.call(this, text, req.t('unknown%s%s', req.t('iconset'), req.iconset), opts)
  const partial = opts.partial
  const ns = req.ns
  let $ = cheerio.load(text, this.config.cheerio.loadOptions, false)
  if (partial) $('c\\:page-start, c\\:page-end').remove()
  await runHook(`${this.ns}${partial ? '.partial' : ''}:beforeBuildPage`, { $, theme, iconset, req, reply, locals, ns, text })
  await attrsMutation.call(this, { $, el: $.root(), req })
  const cmp = await theme.createComponent({ $, iconset, req, reply, locals: cloneDeep(locals), scriptBlock: reqAsset[req.id].scriptBlock, styleBlock: reqAsset[req.id].styleBlock })
  await replaceTag.call(this, { el: $.root(), cmp, opts })
  text = applyInclude.call(this, $)
  if (!opts.partial) {
    $ = cheerio.load(text, this.config.cheerio.loadOptions, false)
    await manipulation.call(this, { $, el: $.root(), req, theme })
    await injectElements.call(this, { $, cmp, theme, iconset, req, locals, reply, opts })
    await concatResources.call(this, { $, theme, iconset, req })
    await runHook(`${this.ns}:afterBuildPage`, { $, theme, iconset, req, reply, locals, ns, text })
    text = $.root().html()
    delete reqAsset[req.id]
  }
  return text
}

export default buildPage