is_promise() — svelte Function Reference

Architecture documentation for the is_promise() function in hydratable.js from the svelte codebase.

Function javascript ServerRuntime Serialization called by 1

Entity Profile

ServerRuntime→ Serialization→ is_promise() — svelte Function Reference

Dependency Diagram

graph TD
  d7ab38d4_84e0_b5a4_64df_a5aeb990307c["is_promise()"]
  2d51c6c9_d3dc_2c19_12a2_18adb2ef1c08["hydratable.js"]
  d7ab38d4_84e0_b5a4_64df_a5aeb990307c -->|defined in| 2d51c6c9_d3dc_2c19_12a2_18adb2ef1c08
  f0cff7bd_d799_b072_8f02_3d0ffad0caa8["encode()"]
  f0cff7bd_d799_b072_8f02_3d0ffad0caa8 -->|calls| d7ab38d4_84e0_b5a4_64df_a5aeb990307c
  style d7ab38d4_84e0_b5a4_64df_a5aeb990307c fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/svelte/src/internal/server/hydratable.js lines 93–97

function is_promise(value) {
	// we use this check rather than `instanceof Promise`
	// because it works cross-realm
	return Object.prototype.toString.call(value) === '[object Promise]';
}