generate() — drizzle-orm Function Reference

Architecture documentation for the generate() function in v2.ts from the drizzle-orm codebase.

Function typescript DrizzleSeed SeedOrchestration

Entity Profile

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

Dependency Diagram

graph TD
  c0aa24bb_1777_2be6_97e6_9eecd952772a["generate()"]
  fc6e7285_d1f5_de22_dff8_2454260f8540["GenerateUniqueIntervalV2"]
  c0aa24bb_1777_2be6_97e6_9eecd952772a -->|defined in| fc6e7285_d1f5_de22_dff8_2454260f8540
  style c0aa24bb_1777_2be6_97e6_9eecd952772a fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

drizzle-seed/src/services/versioning/v2.ts lines 86–109

	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;
	}