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Code Issues Projects Releases Wiki Activity

fallback on failed autotitle lookups in translations (#34847)

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This commit is contained in:
Peter Bengtsson
2023-02-17 13:02:44 -05:00
committed by GitHub
parent 4cd28fd735
commit 5cb5ffa5c1
2 changed files with 13 additions and 3 deletions
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7
lib/render-content/plugins/rewrite-local-links.js
View File

@@ -17,6 +17,11 @@ const externalRedirects = readJsonFile('./lib/redirects/external-sites.json')
// Meaning it can be 'AUTOTITLE ' or ' AUTOTITLE' or 'AUTOTITLE'
const AUTOTITLE = /^\s*AUTOTITLE\s*$/
// This is exported because in translations, we need to treat this as
// one of those Liquid parsing errors which happens on corrupted translations
// which we use to know that we need to fall back to English.
export class TitleFromAutotitleError extends Error {}
// Matches any <a> tags with an href that starts with `/`
const matcher = (node) =>
node.type === 'element' &&
@@ -75,7 +80,7 @@ async function getNewTitleSetter(child, href, context) {
async function getNewTitle(href, context) {
const page = findPage(href, context.pages, context.redirects)
if (!page) {
throw new Error(`Unable to find Page by href '${href}'`)
throw new TitleFromAutotitleError(`Unable to find Page by href '${href}'`)
}
return await page.renderProp('title', context, { textOnly: true })
}

9
lib/render-with-fallback.js
View File

@@ -1,10 +1,15 @@
import renderContent from './render-content/index.js'
import Page from './page.js'
import { TitleFromAutotitleError } from './render-content/plugins/rewrite-local-links.js'
const LIQUID_ERROR_NAMES = new Set(['RenderError', 'ParseError', 'TokenizationError'])
const isLiquidError = (error) =>
error instanceof Error && error.name && LIQUID_ERROR_NAMES.has(error.name)
const isAutotitleError = (error) => error instanceof TitleFromAutotitleError
const isFallbackableError = (error) => isLiquidError(error) || isAutotitleError(error)
// Returns a string by wrapping `renderContent()`. The input string to
// `renderContent` is one that contains Liquid and Markdown. The output
// is HTML.
@@ -28,7 +33,7 @@ export async function renderContentWithFallback(page, property, context, options
} catch (error) {
// Only bother trying to fallback if it was an error we *can* fall back
// on English for.
if (isLiquidError(error) && context.getEnglishPage) {
if (isFallbackableError(error) && context.getEnglishPage) {
const enPage = context.getEnglishPage(context)
const englishTemplate = enPage[property]
// If you don't change the context, it'll confuse the liquid plugins
@@ -60,7 +65,7 @@ export async function executeWithFallback(context, callable, fallback) {
try {
return await callable(context)
} catch (error) {
if (isLiquidError(error) && context.currentLanguage !== 'en') {
if (isFallbackableError(error) && context.currentLanguage !== 'en') {
const enContext = Object.assign({}, context, { currentLanguage: 'en' })
return await fallback(enContext)
}