2021-11-15 02:19:43 -08:00
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import { join, dirname } from 'path';
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2021-11-19 03:22:01 -08:00
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import { readdir } from 'fs/promises';
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import { Dirent } from 'fs';
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2021-11-15 02:19:43 -08:00
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2021-11-19 03:22:01 -08:00
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const ALLOWED_VERSIONED_DIRNAME_LENGTH = [2, 3]; // v1, v10
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function isVersionedDirname(dirent: Dirent) {
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if (!dirent.isDirectory()) return false;
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return (
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ALLOWED_VERSIONED_DIRNAME_LENGTH.includes(dirent.name.length) &&
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dirent.name.toLowerCase().startsWith('v')
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);
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}
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async function getMaxVersion(from: string) {
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const entries = await readdir(from, { withFileTypes: true });
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const dirnames = entries.reduce<string[]>((acc, cur) => {
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if (isVersionedDirname(cur)) acc.push(cur.name);
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return acc;
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}, []);
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if (!dirnames.length) return null;
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return Math.max(...dirnames.map((d) => parseInt(d.charAt(1), 10)));
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}
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2021-11-20 09:28:05 -08:00
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export async function getNodeTranslationPath(
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2021-11-19 03:22:01 -08:00
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nodeSourcePath: string,
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language: string,
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): Promise<string> {
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const nodeDir = dirname(nodeSourcePath);
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const maxVersion = await getMaxVersion(nodeDir);
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return maxVersion
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? join(nodeDir, `v${maxVersion}`, 'translations', `${language}.js`)
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: join(nodeDir, 'translations', `${language}.js`);
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2021-11-15 02:19:43 -08:00
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}
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