Implement a function fill(array, value, [start=0], [end=array.length]) that fills an array with values from start up to, but not including, end.

Note: This method mutates array.

Arguments

1. array (Array): The array to fill.
2. value ()*: The value to fill array with.
3. [start=0] (number): The start position.
4. [end=array.length] (number): The end position.

Returns

(Array): Returns array.

Examples

fill([1, 2, 3], 'a'); // ['a', 'a', 'a']
fill([4, 6, 8, 10], '*', 1, 3); // [4, '*', '*', 10]

// out of bounds indices
fill([4, 6, 8, 10, 12], '*', 1, 8); // [4, '*', '*', '*', '*']
fill([4, 6, 8, 10, 12], '*', 8, 10); // [4, 6, 8, 10, 12]

// negative but within bounds indices
fill([4, 6, 8, 10, 12], '*', -3, -1); // [4, 6, '*', '*', 12]

// negative out of bounds indices
fill([4, 6, 8, 10, 12], '*', -10, 2); // ['*', '*', 8, 10, 12]
fill([4, 6, 8, 10, 12], '*', -10, -8); // [4, 6, 8, 10, 12]

Make sure to handle negative indices and out of bound indices as detailed in the examples above. In general, follow these principles:

• Translate negative indices to their corresponding positive indices
• If the translated end index is smaller than the translated start index, no fill will take place
• If a tranlated index is < 0, clamp it to 0.
• If a translated index is > array.length, clamp it to array.length.

Resources

• Lodash _.fill

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