fb30a0766f
* Revise the 'pages' module to export two methods: 'loadPages' and 'loadPageMap' Update all existing references to use 'loadPages' for now * Remove explicit Promise resolutions on loadPage* methods * Condense reduction method into its now-singular usage spot * Opt for for-of instead of forEach * Make require of pages in warm-server more explicit * Be more explicit about find-page using a pageMap * Be more explicit about find-page-in-version using a pageMap * Be more explicit about site-tree using a pageMap * Extract the map creation from loadPageMap * Be more explicit about using a pageMap * Update redirects precompile to take two arguments: pageList, pageMap * Rename internal loadPages method to loadPageList * Clarify pageMap is what is stored in context.pages * Use loadPageMap in tests and stuff
66 lines
2.2 KiB
JavaScript
66 lines
2.2 KiB
JavaScript
const slash = require('slash')
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const patterns = require('./patterns')
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const allVersions = Object.keys(require('./all-versions'))
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const { getVersionedPathWithLanguage } = require('./path-utils')
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module.exports = function findPage (href, pageMap, redirects = {}, languageCode = 'en', sourceLanguage = null) {
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// Convert Windows backslashes to forward slashes
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// remove trailing slash
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href = slash(href).replace(patterns.trailingSlash, '$1')
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// check all potential versions
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const versionedPathsToCheck = [...new Set(allVersions.map(version => {
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return getVersionedPathWithLanguage(href, version, languageCode)
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}))]
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// get the first found path of the page (account for redirects)
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let pathToPage = versionedPathsToCheck.find(path => {
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path = redirects[path] || path
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return pageMap[removeFragment(path)]
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})
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// need to account for redirects again
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pathToPage = redirects[pathToPage] || pathToPage
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// find the page
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const page = pageMap[removeFragment(pathToPage)]
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if (page) return page
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if (process.env.NODE_ENV !== 'test' && languageCode === 'en') {
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const error = sourceLanguage
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? `href not found in ${sourceLanguage} pages (no English fallback found)`
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: 'href not found'
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// if English page can't be found, throw an error
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// because these errors should be surfaced and fixed right away
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if (sourceLanguage === 'en') {
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throw new Error(`${error}: ${href}`)
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} else {
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console.error(`${error}: ${href}`)
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}
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}
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// if English page can't be found in tests, don't throw an error
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// or the tests will stall
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if (process.env.NODE_ENV === 'test' && languageCode === 'en') {
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if (sourceLanguage === 'en') console.log(`href not found: ${href}`)
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return null
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}
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// if localized page can't be found, fall back to English
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// because localized content is not yet synced
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if (languageCode !== 'en') {
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// pass the source language so we can surface it in error messages
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return findPage(href, pageMap, redirects, 'en', languageCode)
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}
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}
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// some redirects include fragments
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// need to remove the fragment to find the page
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function removeFragment (path) {
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if (!path) return
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return path.replace(/#.*$/, '')
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}
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