opencode/script/translate-app.ts
2026-07-08 14:57:28 +10:00

523 lines
17 KiB
TypeScript

#!/usr/bin/env bun
import path from "path"
import { parseArgs } from "util"
import { pathToFileURL } from "url"
const locales = [
"ar",
"br",
"bs",
"da",
"de",
"es",
"fr",
"ja",
"ko",
"no",
"pl",
"ru",
"uk",
"th",
"tr",
"zh",
"zht",
] as const
type Locale = (typeof locales)[number]
const languages = {
ar: "Arabic",
br: "Brazilian Portuguese",
bs: "Bosnian",
da: "Danish",
de: "German",
es: "Spanish",
fr: "French",
ja: "Japanese",
ko: "Korean",
no: "Norwegian Bokmal",
pl: "Polish",
ru: "Russian",
uk: "Ukrainian",
th: "Thai",
tr: "Turkish",
zh: "Simplified Chinese",
zht: "Traditional Chinese",
} as const satisfies Record<Locale, string>
type Dictionary = Record<string, string>
type Drift = ReturnType<typeof findDrift>
type Domain = { name: string; source: string; target: string; drift: Drift }
const desktopLocales = new Set<Locale>(locales.filter((locale) => locale !== "th" && locale !== "tr"))
const root = path.resolve(import.meta.dir, "..")
export function parseTranslationArgs(args: string[]) {
const parsed = parseArgs({
args,
options: {
concurrency: { type: "string", short: "c", default: "4" },
model: { type: "string", default: "opencode/gpt-5.5" },
variant: { type: "string", default: "xhigh" },
"dry-run": { type: "boolean", default: false },
check: { type: "boolean", default: false },
help: { type: "boolean", short: "h", default: false },
},
allowPositionals: true,
})
const target = parsed.positionals[0] ?? "all"
const concurrency = Number(parsed.values.concurrency)
if (!parsed.values.help && parsed.positionals.length !== 1) throw new Error("Pass one locale or 'all'.")
if (target !== "all" && !isLocale(target)) throw new Error(`Unknown locale '${target}'.`)
if (!Number.isInteger(concurrency) || concurrency < 1) throw new Error("Concurrency must be a positive integer.")
return {
target,
concurrency: target === "all" ? concurrency : 1,
model: parsed.values.model,
variant: parsed.values.variant,
dryRun: parsed.values["dry-run"],
check: parsed.values.check,
help: parsed.values.help,
}
}
export function targetFiles(locale: Locale) {
return [
`packages/app/src/i18n/${locale}.ts`,
`packages/ui/src/i18n/${locale}.ts`,
...(desktopLocales.has(locale) ? [`packages/desktop/src/renderer/i18n/${locale}.ts`] : []),
]
}
export function glossaryFile(locale: Locale) {
if (locale === "zh") return ".opencode/glossary/zh-cn.md"
if (locale === "zht") return ".opencode/glossary/zh-tw.md"
return `.opencode/glossary/${locale}.md`
}
export function findDrift(source: Dictionary, target: Dictionary) {
return {
missing: Object.keys(source).filter((key) => !Object.hasOwn(target, key)),
extra: Object.keys(target).filter((key) => !Object.hasOwn(source, key)),
placeholders: Object.keys(source).filter(
(key) => Object.hasOwn(target, key) && tokens(source[key]).join() !== tokens(target[key]).join(),
),
}
}
export function sessionIDFromEvents(output: string) {
const match = output.match(/"sessionID"\s*:\s*"([^"]+)"/)
if (!match?.[1]) throw new Error("OpenCode did not report a session ID.")
return match[1]
}
export function sessionModels(value: unknown) {
if (!isRecord(value) || !Array.isArray(value.messages))
throw new Error("OpenCode returned an invalid session export.")
return value.messages.flatMap((message) => {
if (!isRecord(message) || !isRecord(message.info) || message.info.role !== "assistant") return []
if (typeof message.info.providerID !== "string" || typeof message.info.modelID !== "string") {
throw new Error("OpenCode session export omitted the assistant model.")
}
return [
{
model: `${message.info.providerID}/${message.info.modelID}`,
variant: typeof message.info.variant === "string" ? message.info.variant : undefined,
},
]
})
}
export function modelVariants(output: string, model: string) {
const normalized = output.replaceAll("\r\n", "\n")
const marker = `${model}\n`
const start = normalized.indexOf(marker)
if (start < 0) throw new Error(`Model not found: ${model}`)
const provider = model.split("/")[0]
const rest = normalized.slice(start + marker.length)
const next = rest.search(new RegExp(`^${escapeRegExp(provider)}/`, "m"))
const metadata: unknown = JSON.parse((next < 0 ? rest : rest.slice(0, next)).trim())
if (!isRecord(metadata) || !isRecord(metadata.variants)) throw new Error(`Model variants not found: ${model}`)
return metadata.variants
}
export function translationConfig(agent: string, model: string, targets: string[]) {
return {
$schema: "https://opencode.ai/config.json",
model,
default_agent: agent,
share: "disabled" as const,
formatter: false,
lsp: false,
snapshot: false,
agent: {
[agent]: {
mode: "primary" as const,
model,
permission: {
"*": "deny" as const,
read: "allow" as const,
glob: "allow" as const,
grep: "allow" as const,
edit: Object.fromEntries([["*", "deny"], ...targets.map((target) => [target, "allow"])]),
},
},
},
}
}
export function unexpectedChanges(before: Record<string, string>, after: Record<string, string>, allowed: string[]) {
const targets = new Set(allowed)
return [...new Set([...Object.keys(before), ...Object.keys(after)])]
.filter((file) => !targets.has(file) && before[file] !== after[file])
.sort()
}
export async function runPool<T, R>(items: readonly T[], concurrency: number, task: (item: T) => Promise<R>) {
const results = new Map<number, R>()
const entries = items.entries()
const worker = async (): Promise<void> => {
const next = entries.next()
if (next.done) return
results.set(next.value[0], await task(next.value[1]))
await worker()
}
await Promise.all(Array.from({ length: Math.min(concurrency, items.length) }, worker))
return Array.from(results.entries())
.sort((a, b) => a[0] - b[0])
.map((entry) => entry[1])
}
async function main() {
const options = parseTranslationArgs(Bun.argv.slice(2))
if (options.help) {
console.log(`
Usage: bun run translate:app -- <locale|all> [options]
Synchronizes product app translations with the English app, UI, and desktop dictionaries.
Options:
-c, --concurrency <count> Maximum parallel OpenCode runs for 'all' (default: 4)
--model <provider/id> OpenCode model (default: opencode/gpt-5.5)
--variant <name> Model variant (default: xhigh)
--dry-run Report drift without running OpenCode
--check Exit nonzero when translation drift exists
-h, --help Show this help message
Examples:
bun run translate:app -- fr
bun run translate:app -- all --concurrency 4
`)
return
}
const selected = options.target === "all" ? locales : [options.target]
const plans = await Promise.all(selected.map((locale) => inspect(locale)))
plans.forEach(report)
const pending = plans.filter((plan) => plan.domains.some((domain) => changed(domain.drift)))
if (options.check) {
if (pending.length) process.exitCode = 1
return
}
if (options.dryRun || pending.length === 0) return
const targets = pending.flatMap((plan) => plan.domains.map((domain) => domain.target))
const baseline = await worktreeSnapshot()
const variant = await resolveModelVariant(options.model, options.variant)
console.log(`Resolved ${options.model} (${options.variant}): ${JSON.stringify(variant)}`)
const template = await commandTemplate()
const results = await runPool(pending, options.concurrency, (plan) =>
translate(plan, template, options.model, options.variant).catch((error) => ({
locale: plan.locale,
code: 1,
stdout: "",
stderr: error instanceof Error ? error.message : String(error),
})),
)
results.forEach((result) => {
if (result.stdout) process.stdout.write(`\n[${result.locale}]\n${result.stdout}`)
if (result.stderr) process.stderr.write(`\n[${result.locale}]\n${result.stderr}`)
})
const failed = results.filter((result) => result.code !== 0)
const checks = await runPool(pending, options.concurrency, (plan) => check(plan.locale))
const incomplete = checks.filter((result) => result.code !== 0)
const escaped = unexpectedChanges(baseline, await worktreeSnapshot(), targets)
incomplete.forEach((result) => {
if (result.stdout) process.stderr.write(`\n[${result.locale} verification]\n${result.stdout}`)
if (result.stderr) process.stderr.write(`\n[${result.locale} verification]\n${result.stderr}`)
})
if (failed.length === 0 && incomplete.length === 0 && escaped.length === 0) {
console.log(`\nTranslated ${pending.map((plan) => plan.locale).join(", ")}.`)
return
}
if (failed.length) console.error(`\nOpenCode failed for: ${failed.map((result) => result.locale).join(", ")}`)
if (incomplete.length)
console.error(`Translation remains incomplete for: ${incomplete.map((plan) => plan.locale).join(", ")}`)
if (escaped.length) console.error(`Translation changed files outside its locale targets: ${escaped.join(", ")}`)
process.exitCode = 1
}
async function worktreeSnapshot() {
const groups = await Promise.all([
gitPaths(["diff", "--name-only", "-z", "HEAD"]),
gitPaths(["ls-files", "--others", "--exclude-standard", "-z"]),
])
const files = [...new Set(groups.flat())]
return Object.fromEntries(
await Promise.all(
files.map(async (file) => {
const target = Bun.file(path.join(root, file))
if (!(await target.exists())) return [file, "<missing>"] as const
const hash = new Bun.CryptoHasher("sha256")
hash.update(await target.arrayBuffer())
return [file, hash.digest("hex")] as const
}),
),
)
}
async function gitPaths(args: string[]) {
const proc = Bun.spawn(["git", ...args], {
cwd: root,
stdin: "ignore",
stdout: "pipe",
stderr: "pipe",
})
const result = await Promise.all([new Response(proc.stdout).text(), new Response(proc.stderr).text(), proc.exited])
if (result[2] !== 0) throw new Error(result[1] || `git ${args.join(" ")} failed`)
return result[0].split("\0").filter(Boolean)
}
async function check(locale: Locale) {
const proc = Bun.spawn([process.execPath, import.meta.path, locale, "--check"], {
cwd: root,
stdin: "ignore",
stdout: "pipe",
stderr: "pipe",
})
const result = await Promise.all([new Response(proc.stdout).text(), new Response(proc.stderr).text(), proc.exited])
return { locale, stdout: result[0], stderr: result[1], code: result[2] }
}
async function inspect(locale: Locale) {
const domains = await Promise.all(
targetFiles(locale).map(async (target) => {
const source = target.replace(`/${locale}.ts`, "/en.ts")
const dictionaries = await Promise.all([dictionary(source), dictionary(target)])
return {
name: target.includes("packages/app/") ? "app" : target.includes("packages/ui/") ? "ui" : "desktop",
source,
target,
drift: findDrift(dictionaries[0], dictionaries[1]),
}
}),
)
return { locale, language: languages[locale], domains }
}
async function dictionary(file: string) {
const module: unknown = await import(pathToFileURL(path.join(root, file)).href)
if (typeof module !== "object" || module === null || !("dict" in module) || !isDictionary(module.dict)) {
throw new Error(`Invalid translation dictionary: ${file}`)
}
return module.dict
}
async function commandTemplate() {
return (await Bun.file(path.join(root, "script/translate-app.md")).text()).trim()
}
async function translate(
plan: { locale: Locale; language: string; domains: Domain[] },
template: string,
model: string,
variant: string,
) {
const glossary = glossaryFile(plan.locale)
const glossaryContent = (await Bun.file(path.join(root, glossary)).exists())
? await Bun.file(path.join(root, glossary)).text()
: undefined
const prompt = template.replaceAll("$1", plan.locale).replaceAll(
"$ARGUMENTS",
JSON.stringify(
{
locale: plan.locale,
language: plan.language,
glossary: glossaryContent ? { file: glossary, content: glossaryContent } : undefined,
domains: plan.domains.map((domain) => ({
source: domain.source,
target: domain.target,
...domain.drift,
})),
},
null,
2,
),
)
const agent = `translate-app-${plan.locale}-${process.pid}`
const env = isolatedEnvironment()
env.OPENCODE_DISABLE_PROJECT_CONFIG = "1"
env.OPENCODE_CONFIG_CONTENT = JSON.stringify(
translationConfig(
agent,
model,
plan.domains.map((domain) => domain.target),
),
)
const proc = Bun.spawn(
[
"opencode",
"--pure",
"run",
"--dir",
root,
"--agent",
agent,
"--model",
model,
"--variant",
variant,
"--title",
`Translate app ${plan.locale}`,
"--format",
"json",
],
{
cwd: root,
env,
stdin: "pipe",
stdout: "pipe",
stderr: "pipe",
},
)
const stdout = new Response(proc.stdout).text()
const stderr = new Response(proc.stderr).text()
await proc.stdin.write(prompt)
await proc.stdin.end()
const result = await Promise.all([stdout, stderr, proc.exited])
if (result[2] !== 0) return { locale: plan.locale, stdout: result[0], stderr: result[1], code: result[2] }
const sessionID = sessionIDFromEvents(result[0])
const exported = Bun.spawn(["opencode", "--pure", "export", sessionID, "--sanitize"], {
cwd: root,
env,
stdout: "pipe",
stderr: "pipe",
})
const exportResult = await Promise.all([
new Response(exported.stdout).text(),
new Response(exported.stderr).text(),
exported.exited,
])
if (exportResult[2] !== 0) {
return { locale: plan.locale, stdout: textFromEvents(result[0]), stderr: exportResult[1], code: exportResult[2] }
}
const session: unknown = JSON.parse(exportResult[0])
const observed = sessionModels(session)
const mismatch = observed.length === 0 || observed.some((item) => item.model !== model || item.variant !== variant)
const actual = Array.from(new Set(observed.map((item) => `${item.model} (${item.variant ?? "default"})`))).join(", ")
return {
locale: plan.locale,
stdout: `${textFromEvents(result[0])}\nVerified session model: ${actual}\n`,
stderr: mismatch
? `Requested ${model} (${variant}), but session used ${actual || "no assistant model"}.\n`
: result[1],
code: mismatch ? 1 : 0,
}
}
function report(plan: { locale: Locale; domains: Domain[] }) {
const details = plan.domains
.map(
(domain) =>
`${domain.name}: ${domain.drift.missing.length} missing, ${domain.drift.extra.length} extra, ${domain.drift.placeholders.length} placeholder mismatches`,
)
.join("; ")
console.log(`[${plan.locale}] ${details}`)
}
function changed(drift: Drift) {
return drift.missing.length > 0 || drift.extra.length > 0 || drift.placeholders.length > 0
}
function isLocale(value: string): value is Locale {
return Object.hasOwn(languages, value)
}
function isDictionary(value: unknown): value is Dictionary {
if (typeof value !== "object" || value === null || Array.isArray(value)) return false
return Object.values(value).every((item) => typeof item === "string")
}
function isRecord(value: unknown): value is Record<string, unknown> {
return typeof value === "object" && value !== null && !Array.isArray(value)
}
async function resolveModelVariant(model: string, variant: string) {
const provider = model.split("/")[0]
if (!provider || !model.includes("/")) throw new Error(`Model must use provider/model syntax: ${model}`)
const env = isolatedEnvironment()
env.OPENCODE_DISABLE_PROJECT_CONFIG = "1"
const proc = Bun.spawn(["opencode", "--pure", "models", provider, "--verbose"], {
cwd: root,
env,
stdin: "ignore",
stdout: "pipe",
stderr: "pipe",
})
const result = await Promise.all([new Response(proc.stdout).text(), new Response(proc.stderr).text(), proc.exited])
if (result[2] !== 0) throw new Error(result[1] || `Unable to resolve model: ${model}`)
const variants = modelVariants(result[0], model)
if (!Object.hasOwn(variants, variant)) throw new Error(`Variant '${variant}' is not configured for ${model}.`)
return variants[variant]
}
function isolatedEnvironment() {
const env = { ...process.env }
delete env.OPENCODE_CONFIG
delete env.OPENCODE_CONFIG_DIR
delete env.OPENCODE_CONFIG_CONTENT
delete env.OPENCODE_PERMISSION
delete env.OPENCODE_AUTO_SHARE
return env
}
function escapeRegExp(value: string) {
return value.replace(/[.*+?^${}()|[\]\\]/g, "\\$&")
}
export function textFromEvents(output: string) {
return output
.split(/\r?\n/)
.map((line) => line.trim())
.filter((line) => line.startsWith("{") && line.endsWith("}"))
.flatMap((line) => {
const event: unknown = JSON.parse(line)
if (!isRecord(event) || event.type !== "text" || !isRecord(event.part) || typeof event.part.text !== "string") {
return []
}
return [event.part.text.trim()]
})
.filter(Boolean)
.join("\n")
}
function tokens(value: string) {
return Array.from(value.matchAll(/{{\s*([^}]+?)\s*}}/g), (match) => match[1] ?? "").sort()
}
if (import.meta.main) {
main().catch((error) => {
console.error(error instanceof Error ? error.message : error)
process.exitCode = 1
})
}