get_loose_identifier() — svelte Function Reference

Architecture documentation for the get_loose_identifier() function in expression.js from the svelte codebase.

Function javascript Compiler Transformer calls 1 called by 2

Entity Profile

Compiler→ Transformer→ get_loose_identifier() — svelte Function Reference

Dependency Diagram

graph TD
  f001e0ed_0281_6ed5_61c2_bc914a036974["get_loose_identifier()"]
  8b705104_0cb9_c5c8_5bed_6dcfe73592d3["expression.js"]
  f001e0ed_0281_6ed5_61c2_bc914a036974 -->|defined in| 8b705104_0cb9_c5c8_5bed_6dcfe73592d3
  f55653bc_77b3_5212_03f1_93bc274916e8["read_expression()"]
  f55653bc_77b3_5212_03f1_93bc274916e8 -->|calls| f001e0ed_0281_6ed5_61c2_bc914a036974
  f9386464_dab0_7aa2_cfd0_969e973dc903["open()"]
  f9386464_dab0_7aa2_cfd0_969e973dc903 -->|calls| f001e0ed_0281_6ed5_61c2_bc914a036974
  b3551700_3c95_8e19_dbb3_fb1e46ccae14["find_matching_bracket()"]
  f001e0ed_0281_6ed5_61c2_bc914a036974 -->|calls| b3551700_3c95_8e19_dbb3_fb1e46ccae14
  style f001e0ed_0281_6ed5_61c2_bc914a036974 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/svelte/src/compiler/phases/1-parse/read/expression.js lines 13–27

export function get_loose_identifier(parser, opening_token) {
	// Find the next } and treat it as the end of the expression
	const end = find_matching_bracket(parser.template, parser.index, opening_token ?? '{');
	if (end) {
		const start = parser.index;
		parser.index = end;
		// We don't know what the expression is and signal this by returning an empty identifier
		return {
			type: 'Identifier',
			start,
			end,
			name: ''
		};
	}
}