@directus/api/dist/database/migrations/20230526A-migrate-translation-strings.js

Directus is a real-time API and App dashboard for managing SQL database content

import { set } from "lodash-es";
import { randomUUID } from "node:crypto";

//#region src/database/migrations/20230526A-migrate-translation-strings.ts
function transformStringsNewFormat(oldStrings) {
	return oldStrings.reduce((result, item) => {
		if (!item.key || !item.translations) return result;
		for (const [language, value] of Object.entries(item.translations)) result.push({
			id: randomUUID(),
			key: item.key,
			language,
			value
		});
		return result;
	}, []);
}
function transformStringsOldFormat(newStrings) {
	const keyCache = {};
	for (const { key, language, value } of newStrings) set(keyCache, [key, language], value);
	return Object.entries(keyCache).map(([key, translations]) => ({
		key,
		translations
	}));
}
async function up(knex) {
	await knex.schema.createTable("directus_translations", (table) => {
		table.uuid("id").primary().notNullable();
		table.string("language").notNullable();
		table.string("key").notNullable();
		table.text("value").notNullable();
	});
	const data = await knex.select("translation_strings", "id").from("directus_settings").first();
	if (data?.translation_strings && data?.id) {
		const newTranslationStrings = transformStringsNewFormat(typeof data.translation_strings === "string" ? JSON.parse(data.translation_strings) : data.translation_strings);
		for (const item of newTranslationStrings) await knex("directus_translations").insert(item);
	}
	await knex.schema.alterTable("directus_settings", (table) => {
		table.dropColumn("translation_strings");
	});
}
async function down(knex) {
	const data = await knex.select("language", "key", "value").from("directus_translations");
	const settingsId = await knex.select("id").from("directus_settings").first();
	await knex.schema.alterTable("directus_settings", (table) => {
		table.json("translation_strings");
	});
	if (settingsId?.id && data) {
		const oldTranslationStrings = transformStringsOldFormat(data);
		await knex("directus_settings").where({ id: settingsId.id }).update({ translation_strings: JSON.stringify(oldTranslationStrings) });
	}
	await knex.schema.dropTable("directus_translations");
}

//#endregion
export { down, up };