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

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

import { insertAtIndex } from '..';
describe(`insertAtIndex`, () => {
    it(`should insert a string value at a given index in a source string`, () => {
        const source = `<strong>`;
        const value = `/`;
        const index = 1;
        expect(insertAtIndex(source, value, index)).toBe(`</strong>`);
    });
});