unique() — svelte Function Reference

Architecture documentation for the unique() function in scope.js from the svelte codebase.

Function javascript Compiler Transformer called by 2

Entity Profile

Compiler→ Transformer→ unique() — svelte Function Reference

Dependency Diagram

graph TD
  9148edcb_b5eb_bf41_8087_a1d28bac7f4d["unique()"]
  5ab2ae3d_beff_8842_c392_152eeae68035["ScopeRoot"]
  9148edcb_b5eb_bf41_8087_a1d28bac7f4d -->|defined in| 5ab2ae3d_beff_8842_c392_152eeae68035
  ffed8565_a534_8183_a11f_bcffae15897e["migrate()"]
  ffed8565_a534_8183_a11f_bcffae15897e -->|calls| 9148edcb_b5eb_bf41_8087_a1d28bac7f4d
  c531899f_2ddc_b054_bfe1_2cfdfd2b1c7f["create_scopes()"]
  c531899f_2ddc_b054_bfe1_2cfdfd2b1c7f -->|calls| 9148edcb_b5eb_bf41_8087_a1d28bac7f4d
  style 9148edcb_b5eb_bf41_8087_a1d28bac7f4d fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/svelte/src/compiler/phases/scope.js lines 852–864

	unique(preferred_name) {
		preferred_name = preferred_name.replace(/[^a-zA-Z0-9_$]/g, '_');
		let final_name = preferred_name;
		let n = 1;

		while (this.conflicts.has(final_name)) {
			final_name = `${preferred_name}_${n++}`;
		}

		this.conflicts.add(final_name);
		const id = b.id(final_name);
		return id;
	}