index.js•743 B
'use strict';
module.exports = (string, count = 1, options) => {
options = {
indent: ' ',
includeEmptyLines: false,
...options
};
if (typeof string !== 'string') {
throw new TypeError(
`Expected \`input\` to be a \`string\`, got \`${typeof string}\``
);
}
if (typeof count !== 'number') {
throw new TypeError(
`Expected \`count\` to be a \`number\`, got \`${typeof count}\``
);
}
if (typeof options.indent !== 'string') {
throw new TypeError(
`Expected \`options.indent\` to be a \`string\`, got \`${typeof options.indent}\``
);
}
if (count === 0) {
return string;
}
const regex = options.includeEmptyLines ? /^/gm : /^(?!\s*$)/gm;
return string.replace(regex, options.indent.repeat(count));
};