react-native-flipper-databases/lib/module/drivers/vasern.js

Flipper Databases plugin for React Native

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

export class VasernDriver {
  constructor(database) {
    this.database = database;

    _defineProperty(this, "databaseName", 'Vasern');
  }

  async getDatabases() {
    return [{
      name: this.databaseName
    }];
  }

  async getTableNames(_databaseDescriptor) {
    return this.database.docs.map(doc => doc.name);
  }

  async getTableStructure(_databaseDescriptor, table) {
    const {
      props: columns
    } = this.database.get(table);
    const columnsDef = Object.keys(columns).map(k => [k, columns[k].replaceAll('?', ''), columns[k].startsWith('?')]);
    return {
      structureColumns: ['name', 'type', 'isOptional'],
      structureValues: [['id', 'string', false]].concat(columnsDef),
      indexesColumns: ['name'],
      indexesValues: [['id']]
    };
  }

  async getTableData(_databaseDescriptor, table, order, reverse, start, _count) {
    const {
      props: columns
    } = this.database.get(table);
    const allColumns = ['id', // All tables automatically have a string column id to uniquely identify records.
    ...Object.keys(columns)];
    const collection = this.database.get(table);
    const totalCount = collection.count();
    const results = collection.order(order ?? 'id', !reverse ? 'asc' : 'desc').data();
    return {
      columns: allColumns,
      values: results.map(row => allColumns.map(colName => row[colName])),
      start,
      count: totalCount,
      total: results.length
    };
  }

  async getTableInfo(_databaseDescriptor, table) {
    const {
      props
    } = this.database.get(table);
    return {
      definition: JSON.stringify(props, null, 2)
    };
  }

  async executeSql(_databaseDescriptor, _query) {
    return Promise.reject('Unsupported method');
  }

}
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