checkEvent() — vue Function Reference

Architecture documentation for the checkEvent() function in error-detector.ts from the vue codebase.

Function typescript TemplateCompiler Optimizer calls 1 called by 1

Entity Profile

TemplateCompiler→ Optimizer→ checkEvent() — vue Function Reference

Dependency Diagram

graph TD
  d8ead83e_af00_558d_c3d1_7e7216188655["checkEvent()"]
  03e52bf5_d4b7_7913_0f75_08ec830fda42["checkNode()"]
  03e52bf5_d4b7_7913_0f75_08ec830fda42 -->|calls| d8ead83e_af00_558d_c3d1_7e7216188655
  a07ee25d_c145_0205_5ce7_3eecf3bdb2c1["checkExpression()"]
  d8ead83e_af00_558d_c3d1_7e7216188655 -->|calls| a07ee25d_c145_0205_5ce7_3eecf3bdb2c1
  style d8ead83e_af00_558d_c3d1_7e7216188655 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

src/compiler/error-detector.ts lines 72–83

function checkEvent(exp: string, text: string, warn: Function, range?: Range) {
  const stripped = exp.replace(stripStringRE, '')
  const keywordMatch: any = stripped.match(unaryOperatorsRE)
  if (keywordMatch && stripped.charAt(keywordMatch.index - 1) !== '$') {
    warn(
      `avoid using JavaScript unary operator as property name: ` +
        `"${keywordMatch[0]}" in expression ${text.trim()}`,
      range
    )
  }
  checkExpression(exp, text, warn, range)
}