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no - 17 - useCounter #2932

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@ricardoHer

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@ricardoHer
// your answers

<script setup lang='ts'>

import { ref } from 'vue';
 
interface UseCounterOptions {
  min?: number
  max?: number
}

/**
 * Implement the composable function
 * Make sure the function works correctly
*/
function useCounter(initialValue = 0, options: UseCounterOptions = {}) {
  const count = ref(initialValue);

  const inc = () => {
    count.value++
    if (options.max != null && count.value >= options.max) count.value = options.max;
  };
  const dec = () => {
    count.value--;
    if (options.min != null && count.value <= options.min) count.value = options.min;
  };
  const reset = () => count.value = initialValue;
  
  return {count, inc, dec, reset};

}

const { count, inc, dec, reset } = useCounter(0, { min: 0, max: 10 })

</script>

<template>
  <p>Count: {{ count }}</p>
  <button @click="inc">
    inc
  </button>
  <button @click="dec">
    dec
  </button>
  <button @click="reset">
    reset
  </button>
</template>

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