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genFilterCode() — vue Function Reference

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

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src/compiler/codegen/events.ts lines 155–170

function genFilterCode(key: string): string {
  const keyVal = parseInt(key, 10)
  if (keyVal) {
    return `$event.keyCode!==${keyVal}`
  }
  const keyCode = keyCodes[key]
  const keyName = keyNames[key]
  return (
    `_k($event.keyCode,` +
    `${JSON.stringify(key)},` +
    `${JSON.stringify(keyCode)},` +
    `$event.key,` +
    `${JSON.stringify(keyName)}` +
    `)`
  )
}

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