sampleArr

Generates an array of random numbers.

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/**
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 * Generates an array of random numbers.
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 **/
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const sampleArr = (size: number) => {
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  if (size < 0) throw new Error('Size must be a positive number');
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  return Array.from({ length: size }, (_, i) => Math.floor(Math.random() * i));
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};
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export default sampleArr;

1. Installtion

npx @jrtilak/lazykit add sampleArr

2. Parameters

  • size (number)
    The size of the array to be generated. It must be a positive number.

3. Returns

  • number[]
    Returns an array of random numbers, where the length of the array is determined by the size parameter.

4. Errors

  • Throws an error if size is less than zero, indicating that a positive number is required.

5. Usage

1. Positive Index

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import sampleArr from "@/helpers/sampleArr";
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const arr = sampleArr(5);
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console.log(arr);
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// Expected output: an array of 5 random numbers

2. Negative Index

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import sampleArr from "@/helpers/sampleArr";
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const arr = sampleArr(-5);
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console.log(arr);
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// Expected output: Error