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KomhandClaude Opus 5
d6818d655c
A Chinese reader arriving at flatpark.org had to find the globe menu before seeing a word of Chinese. Negotiate it instead, on the one URL that is ambiguous: a Pages Function on `/` reads Accept-Language and 302s to `/zh-Hans/` when that is what the browser asks for. Scoped to the root on purpose. English lives on the bare paths here, so every other URL is already unambiguous and stays a plain static asset — which keeps the canonical English pages out of any redirect and keeps Function invocations off the rest of the site. `_routes.json` pins that. An explicit pick from the language switcher wins over the browser: the switcher writes a `lang` cookie and the function prefers it, so choosing English on a Chinese browser is not undone on the next visit to the homepage. Co-Authored-By: Claude Opus 5 (1M context) <[email protected]>
61 lines
2.5 KiB
Bash
Executable File
61 lines
2.5 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Root-path language negotiation: which locale `/` serves for a given browser.
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set -euo pipefail
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ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
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. "$ROOT/tests/lib/assert.sh"
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command -v node >/dev/null 2>&1 || { echo "test_i18n_negotiate: SKIP (no node)"; exit 0; }
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out="$(node --input-type=module -e "
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import { cookieLocale, localeForRequest, preferredLocale } from '$ROOT/site/src/i18n/negotiate.mjs';
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const lines = [
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// Nothing to go on -> English, which is what crawlers get (they send no header).
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'empty=' + preferredLocale(''),
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'missing=' + preferredLocale(undefined),
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'wildcard=' + preferredLocale('*'),
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// The plain cases.
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'en=' + preferredLocale('en-US,en;q=0.9'),
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'zh-cn=' + preferredLocale('zh-CN,zh;q=0.9,en;q=0.8'),
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'zh-bare=' + preferredLocale('zh'),
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// Traditional regions have no locale of their own yet, so they land on the
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// only Chinese we ship rather than on English.
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'zh-tw=' + preferredLocale('zh-TW,zh;q=0.9'),
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'zh-hant=' + preferredLocale('zh-Hant'),
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// A language we do not ship at all stays English.
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'ja=' + preferredLocale('ja-JP,ja;q=0.9'),
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// q-order decides, not the order the tags appear in.
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'q-order=' + preferredLocale('en;q=0.3,zh-CN;q=0.9'),
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'q-zero=' + preferredLocale('zh-CN;q=0,ja;q=0.5'),
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// Case and stray whitespace are the browser's business, not ours.
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'sloppy=' + preferredLocale(' ZH-hans-cn ; q=0.8 , en ; q=0.2 '),
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// An explicit pick from the switcher outranks the browser, both ways.
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'cookie-en=' + localeForRequest({ acceptLanguage: 'zh-CN', cookieHeader: 'theme=dark; lang=en' }),
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'cookie-zh=' + localeForRequest({ acceptLanguage: 'en-US', cookieHeader: 'lang=zh-Hans' }),
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// A cookie naming something we do not ship is ignored, not trusted.
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'cookie-junk=' + localeForRequest({ acceptLanguage: 'zh-CN', cookieHeader: 'lang=../etc' }),
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'cookie-none=' + cookieLocale('theme=dark'),
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];
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console.log(lines.join('\n'));
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")"
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get() { printf '%s\n' "$out" | grep "^$1=" | cut -d= -f2-; }
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assert_eq "$(get empty)" "en"
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assert_eq "$(get missing)" "en"
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assert_eq "$(get wildcard)" "en"
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assert_eq "$(get en)" "en"
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assert_eq "$(get zh-cn)" "zh-Hans"
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assert_eq "$(get zh-bare)" "zh-Hans"
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assert_eq "$(get zh-tw)" "zh-Hans"
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assert_eq "$(get zh-hant)" "zh-Hans"
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assert_eq "$(get ja)" "en"
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assert_eq "$(get q-order)" "zh-Hans"
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assert_eq "$(get q-zero)" "en"
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assert_eq "$(get sloppy)" "zh-Hans"
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assert_eq "$(get cookie-en)" "en"
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assert_eq "$(get cookie-zh)" "zh-Hans"
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assert_eq "$(get cookie-junk)" "zh-Hans"
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assert_eq "$(get cookie-none)" "null"
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echo "test_i18n_negotiate: ok"
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