зеркало из https://github.com/github/docs.git
47 строки
2.2 KiB
JavaScript
47 строки
2.2 KiB
JavaScript
const languages = require('../lib/languages')
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const enterpriseServerReleases = require('../lib/enterprise-server-releases')
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const allVersions = require('../lib/all-versions')
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const allProducts = require('../lib/all-products')
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const activeProducts = Object.values(allProducts).filter(product => !product.wip && !product.hidden)
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const { getVersionStringFromPath, getProductStringFromPath, getPathWithoutLanguage } = require('../lib/path-utils')
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const productNames = require('../lib/product-names')
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const warmServer = require('../lib/warm-server')
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const featureFlags = Object.keys(require('../feature-flags'))
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// Supply all route handlers with a baseline `req.context` object
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// Note that additional middleware in middleware/index.js adds to this context object
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module.exports = async function contextualize (req, res, next) {
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// Ensure that we load some data only once on first request
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const { site, redirects, siteTree, pages: pageMap } = await warmServer()
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req.context = {}
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// make feature flag environment variables accessible in layouts
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req.context.process = { env: {} }
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featureFlags.forEach(featureFlagName => {
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req.context.process.env[featureFlagName] = process.env[featureFlagName]
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})
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// define each context property explicitly for code-search friendliness
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// e.g. searches for "req.context.page" will include results from this file
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req.context.currentLanguage = req.language
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req.context.currentVersion = getVersionStringFromPath(req.path)
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req.context.currentProduct = getProductStringFromPath(req.path)
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req.context.allProducts = allProducts
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req.context.activeProducts = activeProducts
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req.context.allVersions = allVersions
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req.context.currentPathWithoutLanguage = getPathWithoutLanguage(req.path)
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req.context.currentPath = req.path
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req.context.query = req.query
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req.context.languages = languages
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req.context.productNames = productNames
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req.context.enterpriseServerReleases = enterpriseServerReleases
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req.context.enterpriseServerVersions = Object.keys(allVersions).filter(version => version.startsWith('enterprise-server@'))
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req.context.redirects = redirects
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req.context.site = site[req.language].site
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req.context.siteTree = siteTree
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req.context.pages = pageMap
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return next()
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}
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