Home / Function/ hasHandler.has() — vue Function Reference

hasHandler.has() — vue Function Reference

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

Function typescript CoreInstance VDOM calls 2

Entity Profile

Dependency Diagram

graph TD
  eb4824cc_1530_1ed7_6f52_d884d6a13c23["hasHandler.has()"]
  a447ea1a_a216_ae24_720e_e51a57deb910["warnReservedPrefix()"]
  eb4824cc_1530_1ed7_6f52_d884d6a13c23 -->|calls| a447ea1a_a216_ae24_720e_e51a57deb910
  298f4650_25a3_9767_7c31_38001689eade["warnNonPresent()"]
  eb4824cc_1530_1ed7_6f52_d884d6a13c23 -->|calls| 298f4650_25a3_9767_7c31_38001689eade
  style eb4824cc_1530_1ed7_6f52_d884d6a13c23 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
    }

Domain

Subdomains

Calls

Source

Frequently Asked Questions

What does hasHandler.has() do?
hasHandler.has() is a function in the vue codebase.
What does hasHandler.has() call?
hasHandler.has() calls 2 function(s): warnNonPresent, warnReservedPrefix.

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