warnNonPresent() — vue Function Reference

Architecture documentation for the warnNonPresent() function in proxy.ts from the vue codebase.

Function typescript CoreRuntime Instance called by 2

Entity Profile

CoreRuntime→ Instance→ warnNonPresent() — vue Function Reference

Dependency Diagram

graph TD
  fd99f37e_a954_bd15_751e_2a9a1b5948ab["warnNonPresent()"]
  18330ec4_c733_5eb5_21fe_6f99d09ac84f["proxy.ts"]
  fd99f37e_a954_bd15_751e_2a9a1b5948ab -->|defined in| 18330ec4_c733_5eb5_21fe_6f99d09ac84f
  723ee987_5350_024a_0b28_5fa27f073868["hasHandler.has()"]
  723ee987_5350_024a_0b28_5fa27f073868 -->|calls| fd99f37e_a954_bd15_751e_2a9a1b5948ab
  d8bf6d60_1f7b_e722_cf72_4f70904eb99e["getHandler.get()"]
  d8bf6d60_1f7b_e722_cf72_4f70904eb99e -->|calls| fd99f37e_a954_bd15_751e_2a9a1b5948ab
  style fd99f37e_a954_bd15_751e_2a9a1b5948ab fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

src/core/instance/proxy.ts lines 16–25

  const warnNonPresent = (target, key) => {
    warn(
      `Property or method "${key}" is not defined on the instance but ` +
        'referenced during render. Make sure that this property is reactive, ' +
        'either in the data option, or for class-based components, by ' +
        'initializing the property. ' +
        'See: https://v2.vuejs.org/v2/guide/reactivity.html#Declaring-Reactive-Properties.',
      target
    )
  }