read_block_item() — svelte Function Reference

Architecture documentation for the read_block_item() function in style.js from the svelte codebase.

Function javascript Compiler Transformer calls 4 called by 1

Entity Profile

Compiler→ Transformer→ read_block_item() — svelte Function Reference

Dependency Diagram

graph TD
  b72c2083_31ae_feed_8216_d263cace4b10["read_block_item()"]
  251e2338_f8b8_69b4_b2e5_29ee7decbfa6["style.js"]
  b72c2083_31ae_feed_8216_d263cace4b10 -->|defined in| 251e2338_f8b8_69b4_b2e5_29ee7decbfa6
  880a32a4_ea32_dd22_0d38_a206a327356e["read_block()"]
  880a32a4_ea32_dd22_0d38_a206a327356e -->|calls| b72c2083_31ae_feed_8216_d263cace4b10
  53e6c97d_9ffd_d8ad_0e88_afabeb05753a["read_at_rule()"]
  b72c2083_31ae_feed_8216_d263cace4b10 -->|calls| 53e6c97d_9ffd_d8ad_0e88_afabeb05753a
  998e5052_9be5_2c73_14b0_84ce50994d42["read_value()"]
  b72c2083_31ae_feed_8216_d263cace4b10 -->|calls| 998e5052_9be5_2c73_14b0_84ce50994d42
  1ea28e91_1a56_629a_4392_75e7a2e27b72["read_rule()"]
  b72c2083_31ae_feed_8216_d263cace4b10 -->|calls| 1ea28e91_1a56_629a_4392_75e7a2e27b72
  883f8dc6_d58a_da13_a1b1_889d3d0b4fa2["read_declaration()"]
  b72c2083_31ae_feed_8216_d263cace4b10 -->|calls| 883f8dc6_d58a_da13_a1b1_889d3d0b4fa2
  style b72c2083_31ae_feed_8216_d263cace4b10 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/svelte/src/compiler/phases/1-parse/read/style.js lines 444–457

function read_block_item(parser) {
	if (parser.match('@')) {
		return read_at_rule(parser);
	}

	// read ahead to understand whether we're dealing with a declaration or a nested rule.
	// this involves some duplicated work, but avoids a try-catch that would disguise errors
	const start = parser.index;
	read_value(parser);
	const char = parser.template[parser.index];
	parser.index = start;

	return char === '{' ? read_rule(parser) : read_declaration(parser);
}