kysely-codegen
Version:
`kysely-codegen` generates Kysely type definitions from your database. That's it.
50 lines • 2.02 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.Introspector = void 0;
const kysely_1 = require("kysely");
const table_matcher_1 = require("./table-matcher");
/**
* Analyzes and returns metadata for a connected database.
*/
class Introspector {
async establishDatabaseConnection(db) {
return await (0, kysely_1.sql) `SELECT 1;`.execute(db);
}
async connect(options) {
// Insane solution in lieu of a better one.
// We'll create a database connection with SSL, and if it complains about SSL, try without it.
for (const ssl of [true, false]) {
try {
const dialect = await options.dialect.createKyselyDialect({
connectionString: options.connectionString,
ssl,
});
const db = new kysely_1.Kysely({ dialect });
await this.establishDatabaseConnection(db);
return db;
}
catch (error) {
const isSslError = error instanceof Error && /\bSSL\b/.test(error.message);
const isUnexpectedError = !ssl || !isSslError;
if (isUnexpectedError) {
throw error;
}
}
}
throw new Error('Failed to connect to database.');
}
async getTables(options) {
let tables = await options.db.introspection.getTables();
if (options.includePattern) {
const tableMatcher = new table_matcher_1.TableMatcher(options.includePattern);
tables = tables.filter(({ name, schema }) => tableMatcher.match(schema, name));
}
if (options.excludePattern) {
const tableMatcher = new table_matcher_1.TableMatcher(options.excludePattern);
tables = tables.filter(({ name, schema }) => !tableMatcher.match(schema, name));
}
return tables;
}
}
exports.Introspector = Introspector;
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