@qntm-code/utils/dist/mjs/insertAtIndex/insertAtIndex.js

A collection of useful utility functions with associated TypeScript types. All functions have been unit tested.

/**
 * Inserts a string value at a given index in a source string
 */
export function insertAtIndex(source, value, index) {
    return `${source.slice(0, index)}${value}${source.slice(index)}`;
}