unleash-server/dist/migrations/20210615115226-migrate-strategies-to-feature-strategies.js

Unleash is an enterprise ready feature toggles service. It provides different strategies for handling feature toggles.

const { v4: uuid } = require('uuid');
exports.up = function (db, cb) {
    db.runSql(`SELECT *
                                   FROM features`, (err, results) => {
        results.rows.forEach((feature) => {
            db.runSql('INSERT INTO feature_environments(feature_name, enabled) VALUES (?, ?)', [feature.name, feature.enabled]);
            feature.strategies.forEach((strategy) => {
                db.runSql(`INSERT INTO feature_strategies(id, feature_name, project_name, strategy_name, parameters, constraints)
                                VALUES (?, ?, ?, ?, ?, ?)`, [
                    uuid(),
                    feature.name,
                    feature.project,
                    strategy.name,
                    JSON.stringify(strategy.parameters),
                    JSON.stringify(strategy.constraints),
                ]);
            });
        });
        cb();
    });
};
exports.down = function (db, cb) {
    db.runSql('DELETE FROM feature_strategies; DELETE FROM feature_environments;', cb);
};
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