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
  5785a7c5_bd5d_0341_0c88_1df53ae29c8a["generate()"]
  edccb078_72bf_7593_a17b_79784ccdfa56["GenerateUniqueStringV2"]
  5785a7c5_bd5d_0341_0c88_1df53ae29c8a -->|defined in| edccb078_72bf_7593_a17b_79784ccdfa56
  style 5785a7c5_bd5d_0341_0c88_1df53ae29c8a fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

drizzle-seed/src/services/versioning/v2.ts lines 202–231

	generate({ i }: { i: number }) {
		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;
		let currStr: string;

		currStr = '';
		const uniqueStr = i.toString(16);
		[strLength, this.state.rng] = prand.uniformIntDistribution(
			minStringLength,
			maxStringLength - uniqueStr.length,
			this.state.rng,
		);
		for (let j = 0; j < strLength - uniqueStr.length; j++) {
			[idx, this.state.rng] = prand.uniformIntDistribution(
				0,
				stringChars.length - 1,
				this.state.rng,
			);
			currStr += stringChars[idx];
		}

		return uniqueStr + currStr;
	}