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
  b51e59e1_f7e1_e692_d984_f4e8dae2e50d["generate()"]
  dc015a24_3620_97c4_4fea_d3bbba712474["GenerateInt"]
  b51e59e1_f7e1_e692_d984_f4e8dae2e50d -->|defined in| dc015a24_3620_97c4_4fea_d3bbba712474
  style b51e59e1_f7e1_e692_d984_f4e8dae2e50d fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

drizzle-seed/src/services/Generators.ts lines 612–640

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

		let value: number | bigint;
		if (typeof this.state.minValue === 'bigint' && typeof this.state.maxValue === 'bigint') {
			[value, this.state.rng] = prand.uniformBigIntDistribution(
				this.state.minValue,
				this.state.maxValue,
				this.state.rng,
			);
		} else {
			[value, this.state.rng] = prand.uniformIntDistribution(
				this.state.minValue as number,
				this.state.maxValue as number,
				this.state.rng,
			);
		}

		if (this.dataType === 'string') {
			return String(value);
		}

		if (this.dataType === 'bigint') {
			value = BigInt(value);
		}
		return value;
	}