import { migrate as migrate001 } from "./migrations/001"; async function migrate(): Promise { if (!game.user.isGM) { return; } const oldMigrationVersion: number = game.settings.get("ds4", "systemMigrationVersion"); const targetMigrationVersion = migrations.length; if (isFirstWorldStart(oldMigrationVersion)) { game.settings.set("ds4", "systemMigrationVersion", targetMigrationVersion); return; } return migrateFromTo(oldMigrationVersion, targetMigrationVersion); } async function migrateFromTo(oldMigrationVersion: number, targetMigrationVersion: number): Promise { if (!game.user.isGM) { return; } const migrationsToExecute = migrations.slice(oldMigrationVersion, targetMigrationVersion); if (migrationsToExecute.length > 0) { ui.notifications.info( game.i18n.format("DS4.InfoSystemUpdateStart", { currentVersion: oldMigrationVersion, targetVersion: targetMigrationVersion, }), { permanent: true }, ); for (const [i, migration] of migrationsToExecute.entries()) { const currentMigrationVersion = oldMigrationVersion + i + 1; console.log("executing migration script ", currentMigrationVersion); try { await migration(); game.settings.set("ds4", "systemMigrationVersion", currentMigrationVersion); } catch (err) { ui.notifications.error( game.i18n.format("DS4.ErrorDuringMigration", { currentVersion: oldMigrationVersion, targetVersion: targetMigrationVersion, migrationVersion: currentMigrationVersion, }), { permanent: true }, ); err.message = `Failed ds4 system migration: ${err.message}`; console.error(err); return; } } ui.notifications.info( game.i18n.format("DS4.InfoSystemUpdateCompleted", { currentVersion: oldMigrationVersion, targetVersion: targetMigrationVersion, }), { permanent: true }, ); } } function getTargetMigrationVersion(): number { return migrations.length; } const migrations: Array<() => Promise> = [migrate001]; function isFirstWorldStart(migrationVersion: number): boolean { return migrationVersion < 0; } export const migration = { migrate: migrate, migrateFromTo: migrateFromTo, getTargetMigrationVersion: getTargetMigrationVersion, };