read_hydration_instruction() — svelte Function Reference

Architecture documentation for the read_hydration_instruction() function in hydration.js from the svelte codebase.

Function javascript ClientRuntime Hydration calls 1 called by 2

Entity Profile

ClientRuntime→ Hydration→ read_hydration_instruction() — svelte Function Reference

Dependency Diagram

graph TD
  965d3fe6_c7da_0708_eb2c_13a616bc4bca["read_hydration_instruction()"]
  f3948b0d_b92a_0767_ba6c_832767f4e2bb["hydration.js"]
  965d3fe6_c7da_0708_eb2c_13a616bc4bca -->|defined in| f3948b0d_b92a_0767_ba6c_832767f4e2bb
  7f76e82e_4ed8_1525_9136_2ae67868d44e["each()"]
  7f76e82e_4ed8_1525_9136_2ae67868d44e -->|calls| 965d3fe6_c7da_0708_eb2c_13a616bc4bca
  1c26aae4_d98a_69f4_58e6_458a25a8ffb9["if_block()"]
  1c26aae4_d98a_69f4_58e6_458a25a8ffb9 -->|calls| 965d3fe6_c7da_0708_eb2c_13a616bc4bca
  5ec9c9f6_f767_0a42_fdd7_0cedb5a42d33["hydration_mismatch()"]
  965d3fe6_c7da_0708_eb2c_13a616bc4bca -->|calls| 5ec9c9f6_f767_0a42_fdd7_0cedb5a42d33
  style 965d3fe6_c7da_0708_eb2c_13a616bc4bca fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/svelte/src/internal/client/dom/hydration.js lines 118–125

export function read_hydration_instruction(node) {
	if (!node || node.nodeType !== COMMENT_NODE) {
		w.hydration_mismatch();
		throw HYDRATION_ERROR;
	}

	return /** @type {Comment} */ (node).data;
}