How can you ensure that your custom pipe is recalculated only when the input values change?

  • Call the ngOnChanges lifecycle hook on the pipe
  • Implement the OnPush change detection strategy
  • Use the @Input decorator on the pipe
  • Use the pure property in the @Pipe decorator
You can ensure that your custom pipe is recalculated only when the input values change by setting the pure property in the @Pipe decorator to true.
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