generate() — drizzle-orm Function Reference

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

Function typescript DrizzleSeed SeedOrchestration calls 1

Entity Profile

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

Dependency Diagram

graph TD
  3b4d6f86_0d65_cc71_18b7_d8e575d5d02d["generate()"]
  e186ff0b_6b52_7de3_f892_3be699886eea["GenerateUniquePostcode"]
  3b4d6f86_0d65_cc71_18b7_d8e575d5d02d -->|defined in| e186ff0b_6b52_7de3_f892_3be699886eea
  b796adef_dfbc_ebaa_ea14_31e6339b630a["fillTemplate()"]
  3b4d6f86_0d65_cc71_18b7_d8e575d5d02d -->|calls| b796adef_dfbc_ebaa_ea14_31e6339b630a
  style 3b4d6f86_0d65_cc71_18b7_d8e575d5d02d fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

drizzle-seed/src/services/Generators.ts lines 2524–2550

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

		let idx: number;

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

		const postcodeNumber = templateObj.indicesGen.generate() as number;

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

		const postcode = fillTemplate({
			template: templateObj.template,
			placeholdersCount: templateObj.placeholdersCount,
			values: [...String(postcodeNumber)],
			defaultValue: '0',
		});

		return postcode;
	}