zumito-db/dist/migrations/Migrator.js

Multi-driver database abstraction layer with decorator-based models

export class Migrator {
    db;
    runner;
    constructor(db, runner) {
        this.db = db;
        this.runner = runner;
    }
    async latest(migrations) {
        const executed = await this.runner.getExecuted();
        const pending = migrations.filter(m => !executed.includes(m.name));
        const applied = [];
        for (const migration of pending) {
            await this.runner.runUp(migration);
            applied.push(migration.name);
        }
        return applied;
    }
    async rollback(migrations) {
        const executed = await this.runner.getExecuted();
        // Roll back the last executed migration
        const toRollback = migrations
            .filter(m => executed.includes(m.name))
            .reverse();
        const rolled = [];
        if (toRollback.length > 0) {
            await this.runner.runDown(toRollback[0]);
            rolled.push(toRollback[0].name);
        }
        return rolled;
    }
    async status(migrations) {
        const executed = await this.runner.getExecuted();
        return migrations.map(m => ({
            name: m.name,
            executed: executed.includes(m.name),
        }));
    }
    async list(migrations) {
        return migrations;
    }
}