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exactlyOne() — drizzle-orm Function Reference

Architecture documentation for the exactlyOne() function in simulator.ts from the drizzle-orm codebase.

Function typescript DrizzleKit Introspection called by 1

Entity Profile

Dependency Diagram

graph TD
  5ffd7f79_ba14_6ee1_11b9_536f93bcd30b["exactlyOne()"]
  76541fe4_0f6b_65f6_219e_1aaf98848155["simulator.ts"]
  5ffd7f79_ba14_6ee1_11b9_536f93bcd30b -->|defined in| 76541fe4_0f6b_65f6_219e_1aaf98848155
  5fb75d08_ce9a_44de_2c46_2a9c24cd749d["exactlyOne()"]
  5fb75d08_ce9a_44de_2c46_2a9c24cd749d -->|calls| 5ffd7f79_ba14_6ee1_11b9_536f93bcd30b
  style 5ffd7f79_ba14_6ee1_11b9_536f93bcd30b fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

drizzle-kit/src/simulator.ts lines 7–12

Array.prototype.exactlyOne = function() {
	if (this.length !== 1) {
		return undefined;
	}
	return this[0];
};

Domain

Subdomains

Defined In

Called By

Source

Frequently Asked Questions

What does exactlyOne() do?
exactlyOne() is a function in the drizzle-orm codebase, defined in drizzle-kit/src/simulator.ts.
Where is exactlyOne() defined?
exactlyOne() is defined in drizzle-kit/src/simulator.ts at line 7.
What calls exactlyOne()?
exactlyOne() is called by 1 function(s): exactlyOne.

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