genKeyFilter() — vue Function Reference

Architecture documentation for the genKeyFilter() function in events.ts from the vue codebase.

Function typescript TemplateCompiler CodeGen called by 1

Entity Profile

TemplateCompiler→ CodeGen→ genKeyFilter() — vue Function Reference

Dependency Diagram

graph TD
  2e86aff9_9087_3007_3a13_5cc660e5f330["genKeyFilter()"]
  bca49f78_22f6_67df_05b8_fbb91a290777["genHandler()"]
  bca49f78_22f6_67df_05b8_fbb91a290777 -->|calls| 2e86aff9_9087_3007_3a13_5cc660e5f330
  style 2e86aff9_9087_3007_3a13_5cc660e5f330 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

src/compiler/codegen/events.ts lines 145–153

function genKeyFilter(keys: Array<string>): string {
  return (
    // make sure the key filters only apply to KeyboardEvents
    // #9441: can't use 'keyCode' in $event because Chrome autofill fires fake
    // key events that do not have keyCode property...
    `if(!$event.type.indexOf('key')&&` +
    `${keys.map(genFilterCode).join('&&')})return null;`
  )
}