fix(@angular/build): ensure correct URL joining for prerender routes#31884
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alan-agius4 merged 1 commit intoangular:mainfrom Nov 20, 2025
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fix(@angular/build): ensure correct URL joining for prerender routes#31884alan-agius4 merged 1 commit intoangular:mainfrom
alan-agius4 merged 1 commit intoangular:mainfrom
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This commit addresses an issue where prerendering with i18n and a `routesFile` could lead to infinite redirect loops or failure to prerender `index.html`. The previous `urlJoin` utility was replaced with more robust URL manipulation functions (`joinUrlParts`, `addTrailingSlash`, `stripLeadingSlash`) to ensure that paths are correctly constructed, especially when dealing with base hrefs and locale subpaths. This ensures that routes from the `routesFile` are correctly joined with the base href, preventing malformed URLs that cause the redirection issues. Closes angular#31877
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hybrist
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Is this code subtle enough that it warrants a few test cases?
| if (part[0] === '/') { | ||
| normalizedPart = normalizedPart.slice(1); | ||
| } | ||
| if (part[part.length - 1] === '/') { |
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Do we get to use https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/at here since it's been widely available since March 2022?
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This is copied from the SSR package. I will do a followup to change the .at(-1).
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This commit addresses an issue where prerendering with i18n and a
routesFilecould lead to infinite redirect loops or failure to prerenderindex.html.The previous
urlJoinutility was replaced with more robust URL manipulation functions (joinUrlParts,addTrailingSlash,stripLeadingSlash) to ensure that paths are correctly constructed, especially when dealing with base hrefs and locale subpaths. This ensures that routes from theroutesFileare correctly joined with the base href, preventing malformed URLs that cause the redirection issues.Closes #31877