init() — drizzle-orm Function Reference

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

Function typescript DrizzleSeed SeedOrchestration

Entity Profile

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

Dependency Diagram

graph TD
  263692c5_cd3e_9855_ce60_ce25ae4b07ea["init()"]
  08a89c6b_073a_a5c7_87b0_8608d1a1a5cd["GenerateUniqueFullName"]
  263692c5_cd3e_9855_ce60_ce25ae4b07ea -->|defined in| 08a89c6b_073a_a5c7_87b0_8608d1a1a5cd
  style 263692c5_cd3e_9855_ce60_ce25ae4b07ea fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

drizzle-seed/src/services/Generators.ts lines 1770–1793

	override init({ count, seed }: { count: number; seed: number }) {
		const t0 = new Date();

		const maxUniqueFullNamesNumber = firstNames.length * lastNames.length;
		if (count > maxUniqueFullNamesNumber) {
			throw new RangeError(
				`count exceeds max number of unique full names(${maxUniqueFullNamesNumber}).`,
			);
		}

		if (this.stringLength !== undefined && this.stringLength < (maxFirstNameLength + maxLastNameLength + 1)) {
			throw new Error(
				`You can't use full name generator with a db column length restriction of ${this.stringLength}. Set the maximum string length to at least ${
					maxFirstNameLength + maxLastNameLength + 1
				}.`,
			);
		}

		const rng = prand.xoroshiro128plus(seed);
		const fullnameSet = new Set<string>();

		this.state = { rng, fullnameSet };
		this.timeSpent += (Date.now() - t0.getTime()) / 1000;
	}