generate() — drizzle-orm Function Reference

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

Function typescript DrizzleSeed SeedOrchestration calls 2

Entity Profile

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

Dependency Diagram

graph TD
  4cad4f03_d6fa_5c40_fb6a_ce3cb188d9d7["generate()"]
  d099dc27_7cb1_ca3a_a106_42456c7d079a["GenerateUniqueCompanyName"]
  4cad4f03_d6fa_5c40_fb6a_ce3cb188d9d7 -->|defined in| d099dc27_7cb1_ca3a_a106_42456c7d079a
  2d30e7dc_1674_cb54_a3c4_d833d08298ce["fastCartesianProduct()"]
  4cad4f03_d6fa_5c40_fb6a_ce3cb188d9d7 -->|calls| 2d30e7dc_1674_cb54_a3c4_d833d08298ce
  b796adef_dfbc_ebaa_ea14_31e6339b630a["fillTemplate()"]
  4cad4f03_d6fa_5c40_fb6a_ce3cb188d9d7 -->|calls| b796adef_dfbc_ebaa_ea14_31e6339b630a
  style 4cad4f03_d6fa_5c40_fb6a_ce3cb188d9d7 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

drizzle-seed/src/services/Generators.ts lines 2741–2765

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

		let templateIdx;
		[templateIdx, this.state.rng] = prand.uniformIntDistribution(0, this.state.templates.length - 1, this.state.rng);
		const templateObj = this.state.templates[templateIdx]!;

		const idx = templateObj.indicesGen.generate() as number;
		const values = fastCartesianProduct(templateObj.arraysToChooseFrom, idx) as string[];

		templateObj.count += 1;
		if (templateObj.count === templateObj.maxUniqueCompanyNameNumber) {
			this.state.templates[templateIdx] = this.state.templates.at(-1)!;
			this.state.templates.pop();
		}

		const companyName = fillTemplate({
			template: templateObj.template,
			values,
			placeholdersCount: templateObj.placeholdersCount,
		});
		return companyName;
	}