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
  fa2bad95_1025_4449_3bb0_992ea8fb7839["generate()"]
  c19990f2_d916_926e_6b46_f2be0233936b["GenerateStringV2"]
  fa2bad95_1025_4449_3bb0_992ea8fb7839 -->|defined in| c19990f2_d916_926e_6b46_f2be0233936b
  style fa2bad95_1025_4449_3bb0_992ea8fb7839 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

drizzle-seed/src/services/versioning/v2.ts lines 141–168

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

		const minStringLength = this.state.minStringLength,
			maxStringLength = this.state.maxStringLength;
		const stringChars = '1234567890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
		let idx: number,
			strLength: number,
			currStr: string;

		currStr = '';
		[strLength, this.state.rng] = prand.uniformIntDistribution(
			minStringLength,
			maxStringLength,
			this.state.rng,
		);
		for (let j = 0; j < strLength; j++) {
			[idx, this.state.rng] = prand.uniformIntDistribution(
				0,
				stringChars.length - 1,
				this.state.rng,
			);
			currStr += stringChars[idx];
		}
		return currStr;
	}