mapFromDriverValue() — drizzle-orm Function Reference

Architecture documentation for the mapFromDriverValue() function in blob.ts from the drizzle-orm codebase.

Function typescript DrizzleORM SQLDialects calls 1 called by 2

Entity Profile

DrizzleORM→ SQLDialects→ mapFromDriverValue() — drizzle-orm Function Reference

Dependency Diagram

graph TD
  dd41aed8_f97e_13f8_8b52_c3a757f0c931["mapFromDriverValue()"]
  51a5cec8_0cb5_edac_492a_2cac72b8b1a0["SQLiteBlobJson"]
  dd41aed8_f97e_13f8_8b52_c3a757f0c931 -->|defined in| 51a5cec8_0cb5_edac_492a_2cac72b8b1a0
  4fe0cb9f_b714_2cc2_0ed0_7a5af4bb40a2["mapFromDriverValue()"]
  4fe0cb9f_b714_2cc2_0ed0_7a5af4bb40a2 -->|calls| dd41aed8_f97e_13f8_8b52_c3a757f0c931
  1db5e5e0_15f5_10fc_2f4c_0ba80f17a6ec["mapFromDriverValue()"]
  1db5e5e0_15f5_10fc_2f4c_0ba80f17a6ec -->|calls| dd41aed8_f97e_13f8_8b52_c3a757f0c931
  1db5e5e0_15f5_10fc_2f4c_0ba80f17a6ec["mapFromDriverValue()"]
  dd41aed8_f97e_13f8_8b52_c3a757f0c931 -->|calls| 1db5e5e0_15f5_10fc_2f4c_0ba80f17a6ec
  style dd41aed8_f97e_13f8_8b52_c3a757f0c931 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

drizzle-orm/src/sqlite-core/columns/blob.ts lines 100–114

	override mapFromDriverValue(value: Buffer | Uint8Array | ArrayBuffer): T['data'] {
		if (typeof Buffer !== 'undefined' && Buffer.from) {
			const buf = Buffer.isBuffer(value)
				? value
				// eslint-disable-next-line no-instanceof/no-instanceof
				: value instanceof ArrayBuffer
				? Buffer.from(value)
				: value.buffer
				? Buffer.from(value.buffer, value.byteOffset, value.byteLength)
				: Buffer.from(value);
			return JSON.parse(buf.toString('utf8'));
		}

		return JSON.parse(textDecoder!.decode(value));
	}