generate() — drizzle-orm Function Reference

Architecture documentation for the generate() function in Generators.ts from the drizzle-orm codebase.

Function typescript DrizzleSeed SeedOrchestration

Entity Profile

DrizzleSeed→ SeedOrchestration→ generate() — drizzle-orm Function Reference

Dependency Diagram

graph TD
  db3c296b_8d94_8ab0_14d0_e0fd564dd748["generate()"]
  141ee0d6_adc4_0b1e_03c3_6b833b27c8ea["GenerateUniqueInterval"]
  db3c296b_8d94_8ab0_14d0_e0fd564dd748 -->|defined in| 141ee0d6_adc4_0b1e_03c3_6b833b27c8ea
  style db3c296b_8d94_8ab0_14d0_e0fd564dd748 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

drizzle-seed/src/services/Generators.ts lines 1396–1419

	generate() {
		if (this.state === undefined) {
			throw new Error('state is not defined.');
		}

		let interval, numb: number;

		for (;;) {
			interval = '';

			for (const field of this.state.fieldsToGenerate) {
				const from = this.config[field]!.from, to = this.config[field]!.to;
				[numb, this.state.rng] = prand.uniformIntDistribution(from, to, this.state.rng);
				interval += `${numb} ${field} `;
			}

			if (!this.state.intervalSet.has(interval)) {
				this.state.intervalSet.add(interval);
				break;
			}
		}

		return interval;
	}