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

Flipper Databases plugin for React Native

export class PouchDBDriver {
  constructor(databases) {
    this.databases = databases;
  }

  async getDatabases() {
    return this.databases.map(db => ({
      name: db.name,
      database: db
    }));
  }

  async getTableNames(databaseDescriptor) {
    // Return database name as table names
    return [databaseDescriptor.name];
  }

  async getTableStructure(_databaseDescriptor, _schema) {
    return {
      structureColumns: ['name', 'type'],
      structureValues: [['_id', 'string'], ['doc', 'JSON'], ['attachments', 'JSON'], ['_rev', 'string'], ['deleted', 'boolean']],
      indexesColumns: ['name', 'type'],
      indexesValues: [['_id', 'string']]
    };
  }

  async getTableData(databaseDescriptor, _schema, order, reverse, start, count) {
    const pouch = databaseDescriptor.database;
    const results = await pouch.allDocs({
      include_docs: true,
      attachments: true,
      skip: start,
      limit: count
    }); // Sort results only on _id field

    const sorted = order === '_id' ? results.rows.sort((a, b) => {
      if (a.id > b.id) {
        return reverse ? -1 : 1;
      } else {
        return reverse ? 1 : -1;
      }
    }) : results.rows;
    return {
      columns: ['_id', 'doc', 'attachments', '_rev', 'deleted'],
      values: sorted.map(row => {
        var _row$doc, _row$value;

        return [row.id, JSON.stringify(row.doc), JSON.stringify(((_row$doc = row.doc) === null || _row$doc === void 0 ? void 0 : _row$doc._attachments) ?? []), row.value.rev, ((_row$value = row.value) === null || _row$value === void 0 ? void 0 : _row$value.deleted) ?? false];
      }),
      start,
      count: results.rows.length,
      total: results.total_rows
    };
  }

  async getTableInfo(databaseDescriptor, _table) {
    const databaseInfo = await databaseDescriptor.database.info();
    return {
      definition: JSON.stringify(databaseInfo, null, 2)
    };
  }

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

} // IMPORTED TYPES
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