hasHandler.has() — vue Function Reference

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

Function typescript CoreRuntime Instance calls 2

Entity Profile

CoreRuntime→ Instance→ hasHandler.has() — vue Function Reference

Dependency Diagram

graph TD
  723ee987_5350_024a_0b28_5fa27f073868["hasHandler.has()"]
  18330ec4_c733_5eb5_21fe_6f99d09ac84f["proxy.ts"]
  723ee987_5350_024a_0b28_5fa27f073868 -->|defined in| 18330ec4_c733_5eb5_21fe_6f99d09ac84f
  03f6ea8e_d1ec_464e_79e6_2aa3037feab7["warnReservedPrefix()"]
  723ee987_5350_024a_0b28_5fa27f073868 -->|calls| 03f6ea8e_d1ec_464e_79e6_2aa3037feab7
  fd99f37e_a954_bd15_751e_2a9a1b5948ab["warnNonPresent()"]
  723ee987_5350_024a_0b28_5fa27f073868 -->|calls| fd99f37e_a954_bd15_751e_2a9a1b5948ab
  style 723ee987_5350_024a_0b28_5fa27f073868 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

src/core/instance/proxy.ts lines 59–71

    has(target, key) {
      const has = key in target
      const isAllowed =
        allowedGlobals(key) ||
        (typeof key === 'string' &&
          key.charAt(0) === '_' &&
          !(key in target.$data))
      if (!has && !isAllowed) {
        if (key in target.$data) warnReservedPrefix(target, key)
        else warnNonPresent(target, key)
      }
      return has || !isAllowed
    }