prepareCasing() — drizzle-orm Function Reference

Architecture documentation for the prepareCasing() function in introspect-mysql.ts from the drizzle-orm codebase.

Function typescript DrizzleKit SchemaDiffer calls 3 called by 1

Entity Profile

DrizzleKit→ SchemaDiffer→ prepareCasing() — drizzle-orm Function Reference

Dependency Diagram

graph TD
  18b2fbda_f71a_e879_de9e_4a8232ffcaa6["prepareCasing()"]
  1198bdc6_ac5c_88c0_dda6_b8caf0f5d9fa["introspect-mysql.ts"]
  18b2fbda_f71a_e879_de9e_4a8232ffcaa6 -->|defined in| 1198bdc6_ac5c_88c0_dda6_b8caf0f5d9fa
  194539cf_d577_ab5e_4ea9_ec2fd5ee230b["schemaToTypeScript()"]
  194539cf_d577_ab5e_4ea9_ec2fd5ee230b -->|calls| 18b2fbda_f71a_e879_de9e_4a8232ffcaa6
  a0d746d8_eb7c_01ae_2e16_a92612e1ab33["escapeColumnKey()"]
  18b2fbda_f71a_e879_de9e_4a8232ffcaa6 -->|calls| a0d746d8_eb7c_01ae_2e16_a92612e1ab33
  071bfc71_ad06_c0c4_cba2_360298dd4b47["assertUnreachable()"]
  18b2fbda_f71a_e879_de9e_4a8232ffcaa6 -->|calls| 071bfc71_ad06_c0c4_cba2_360298dd4b47
  893ac5b5_2ea6_d9e5_8c08_453ea1789956["camelCase()"]
  18b2fbda_f71a_e879_de9e_4a8232ffcaa6 -->|calls| 893ac5b5_2ea6_d9e5_8c08_453ea1789956
  style 18b2fbda_f71a_e879_de9e_4a8232ffcaa6 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

drizzle-kit/src/introspect-mysql.ts lines 111–120

const prepareCasing = (casing?: Casing) => (value: string) => {
	if (casing === 'preserve') {
		return escapeColumnKey(value);
	}
	if (casing === 'camel') {
		return escapeColumnKey(value.camelCase());
	}

	assertUnreachable(casing);
};