github-docs/middleware/context.js at main · 0xdevalias/github-docs · GitHub

History

59 lines (52 loc) · 2.64 KB

Raw

const languages = require('../lib/languages')

const enterpriseServerReleases = require('../lib/enterprise-server-releases')

const allVersions = require('../lib/all-versions')

const allProducts = require('../lib/all-products')

const activeProducts = Object.values(allProducts).filter(product => !product.wip && !product.hidden)

const { getVersionStringFromPath, getProductStringFromPath, getPathWithoutLanguage } = require('../lib/path-utils')

const productNames = require('../lib/product-names')

const warmServer = require('../lib/warm-server')

const featureFlags = Object.keys(require('../feature-flags'))

const builtAssets = require('../lib/built-asset-urls')

const searchVersions = require('../lib/search/versions')

const nonEnterpriseDefaultVersion = require('../lib/non-enterprise-default-version')

// Supply all route handlers with a baseline `req.context` object

// Note that additional middleware in middleware/index.js adds to this context object

module.exports = async function contextualize (req, res, next) {

// Ensure that we load some data only once on first request

const { site, redirects, siteTree, pages: pageMap } = await warmServer()

req.context = {}

// make feature flag environment variables accessible in layouts

req.context.process = { env: {} }

featureFlags.forEach(featureFlagName => {

req.context.process.env[featureFlagName] = process.env[featureFlagName]

})

// define each context property explicitly for code-search friendliness

// e.g. searches for "req.context.page" will include results from this file

req.context.currentLanguage = req.language

req.context.currentVersion = getVersionStringFromPath(req.path)

req.context.currentProduct = getProductStringFromPath(req.path)

req.context.allProducts = allProducts

req.context.activeProducts = activeProducts

req.context.allVersions = allVersions

req.context.currentPathWithoutLanguage = getPathWithoutLanguage(req.path)

req.context.currentPath = req.path

req.context.query = req.query

req.context.languages = languages

req.context.productNames = productNames

req.context.enterpriseServerReleases = enterpriseServerReleases

req.context.enterpriseServerVersions = Object.keys(allVersions).filter(version => version.startsWith('enterprise-server@'))

req.context.redirects = redirects

req.context.site = site[req.language].site

req.context.siteTree = siteTree

req.context.pages = pageMap

// JS + CSS asset paths

req.context.builtAssets = builtAssets

// Languages and versions for search

req.context.searchOptions = JSON.stringify({

languages: Object.keys(languages),

versions: searchVersions,

nonEnterpriseDefaultVersion

})

return next()

}

github-docs/middleware/context.js at main · 0xdevalias/github-docs · GitHub

Expand file tree

Breadcrumbs

context.js

Latest commit

History

Breadcrumbs

context.js

File metadata and controls