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wiki/server/tasks/workers/render-page.mjs

109 lines
3.1 KiB

import { get, has, isEmpty, reduce, times, toSafeInteger } from 'lodash-es'
import * as cheerio from 'cheerio'
export async function task ({ payload }) {
WIKI.logger.info(`Rendering page ${payload.id}...`)
try {
await WIKI.ensureDb()
const page = await WIKI.db.pages.getPageFromDb(payload.id)
if (!page) {
throw new Error('Invalid Page Id')
}
const site = await WIKI.db.sites.query().findById(page.siteId)
let output = page.content
// Empty content?
if (isEmpty(output)) {
WIKI.logger.warn(`Failed to render page ID ${payload.id} because content was empty: [ FAILED ]`)
throw new Error(`Failed to render page ID ${payload.id} because content was empty.`)
}
// Parse to HTML
switch (page.contentType) {
case 'asciidoc': {
const { render } = await import('../../renderers/asciidoc.mjs')
output = await render(output, site.config?.editors?.asciidoc?.config ?? {})
break
}
case 'markdown': {
const { render } = await import('../../renderers/markdown.mjs')
output = await render(output, site.config?.editors?.markdown?.config ?? {})
break
}
}
// Render HTML
await WIKI.db.renderers.fetchDefinitions()
const pipeline = await WIKI.db.renderers.getRenderingPipeline(page.contentType)
for (const core of pipeline) {
const { render } = (await import(`../../modules/rendering/${core.key}/renderer.mjs`))
output = await render.call({
config: core.config,
children: core.children,
page,
site,
input: output
})
}
// Parse TOC
// const $ = cheerio.load(output)
// let isStrict = $('h1').length > 0 // <- Allows for documents using H2 as top level
let toc = { root: [] }
// $('h1,h2,h3,h4,h5,h6').each((idx, el) => {
// const depth = toSafeInteger(el.name.substring(1)) - (isStrict ? 1 : 2)
// let leafPathError = false
// const leafPath = reduce(times(depth), (curPath, curIdx) => {
// if (has(toc, curPath)) {
// const lastLeafIdx = get(toc, curPath).length - 1
// if (lastLeafIdx >= 0) {
// curPath = `${curPath}[${lastLeafIdx}].children`
// } else {
// leafPathError = true
// }
// }
// return curPath
// }, 'root')
// if (leafPathError) { return }
// const leafSlug = $('.toc-anchor', el).first().attr('href')
// $('.toc-anchor', el).remove()
// get(toc, leafPath).push({
// label: $(el).text().trim(),
// key: leafSlug.substring(1),
// children: []
// })
// })
// Save to DB
await WIKI.db.pages.query()
.patch({
render: output,
toc: JSON.stringify(toc.root)
})
.where('id', payload.id)
// Save to cache
// await WIKI.db.pages.savePageToCache({
// ...page,
// render: output,
// toc: JSON.stringify(toc.root)
// })
WIKI.logger.info(`Rendered page ${payload.id}: [ COMPLETED ]`)
} catch (err) {
WIKI.logger.error(`Rendering page ${payload.id}: [ FAILED ]`)
WIKI.logger.error(err.message)
throw err
}
}