107 lines
3 KiB
JavaScript
107 lines
3 KiB
JavaScript
const fs = require('fs')
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const path = require('path')
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const logger = require('./lib/util/logger')('app/routes')
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const routes = []
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const use = function (route) {
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routes.unshift((req, res, next) => () => route(req, res, next))
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}
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// /page/:number
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use((req, res, next) => {
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if (/\/page\/\d+/.test(req.asPath)) {
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return fs.createReadStream('./out/index.html').pipe(res)
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}
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next()
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})
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// /_next/path
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use((req, res, next) => {
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if (/\/_next/.test(req.asPath)) {
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return fs.createReadStream(path.join('./out', req.asPath)).pipe(res)
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}
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next()
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})
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// /_static/markdown.css
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// /_static/highlight.css
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use((req, res, next) => {
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try {
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if (req.mkcss && req.asPath === '/_static/markdown.css') {
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if (fs.existsSync(req.mkcss)) {
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return fs.createReadStream(req.mkcss).pipe(res)
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}
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} else if (req.hicss && req.asPath === '/_static/highlight.css') {
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if (fs.existsSync(req.hicss)) {
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return fs.createReadStream(req.hicss).pipe(res)
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}
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}
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} catch (e) {
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logger.error('load diy css fail: ', req.asPath, req.mkcss, req.hicss)
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}
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next()
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})
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// /_static/path
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use((req, res, next) => {
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if (/\/_static/.test(req.asPath)) {
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const fpath = path.join('./', req.asPath)
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if (fs.existsSync(fpath)) {
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return fs.createReadStream(fpath).pipe(res)
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} else {
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logger.error('No such file:', req.asPath, req.mkcss, req.hicss)
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}
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}
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next()
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})
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// images
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use(async (req, res, next) => {
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logger.info('image route: ', req.asPath)
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const reg = /^\/_local_image_/
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if (reg.test(req.asPath) && req.asPath !== '') {
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const plugin = req.plugin
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const buffers = await plugin.nvim.buffers
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const buffer = buffers.find(b => b.id === Number(req.bufnr))
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if (buffer) {
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const fileDir = await plugin.nvim.call('expand', `#${req.bufnr}:p:h`)
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logger.info('fileDir', fileDir)
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let imgPath = decodeURIComponent(decodeURIComponent(req.asPath.replace(reg, '')))
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imgPath = imgPath.replace(/\\ /g, ' ')
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if (imgPath[0] !== '/' && imgPath[0] !== '\\') {
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imgPath = path.join(fileDir, imgPath)
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} else if (!fs.existsSync(imgPath)) {
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let tmpDirPath = fileDir
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while (tmpDirPath !== '/' && tmpDirPath !== '\\') {
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tmpDirPath = path.normalize(path.join(tmpDirPath, '..'))
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let tmpImgPath = path.join(tmpDirPath, imgPath)
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if (fs.existsSync(tmpImgPath)) {
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imgPath = tmpImgPath
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break
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}
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}
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}
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logger.info('imgPath', imgPath)
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if (fs.existsSync(imgPath) && !fs.statSync(imgPath).isDirectory()) {
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if (imgPath.endsWith('svg')) {
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res.setHeader('content-type', 'image/svg+xml')
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}
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return fs.createReadStream(imgPath).pipe(res)
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}
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logger.error('image not exists: ', imgPath)
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}
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}
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next()
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})
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// 404
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use((req, res) => {
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res.statusCode = 404
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return fs.createReadStream(path.join('./out', '404.html')).pipe(res)
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})
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module.exports = function (req, res, next) {
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return routes.reduce((next, route) => route(req, res, next), next)()
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}
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