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x/lodash/_baseRepeat.js

A modern JavaScript utility library delivering modularity, performance, & extras.
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/** Used as references for various `Number` constants. */var MAX_SAFE_INTEGER = 9007199254740991;
/* Built-in method references for those with the same name as other `lodash` methods. */var nativeFloor = Math.floor;
/** * The base implementation of `_.repeat` which doesn't coerce arguments. * * @private * @param {string} string The string to repeat. * @param {number} n The number of times to repeat the string. * @returns {string} Returns the repeated string. */function baseRepeat(string, n) { var result = ''; if (!string || n < 1 || n > MAX_SAFE_INTEGER) { return result; } // Leverage the exponentiation by squaring algorithm for a faster repeat. // See https://en.wikipedia.org/wiki/Exponentiation_by_squaring for more details. do { if (n % 2) { result += string; } n = nativeFloor(n / 2); if (n) { string += string; } } while (n);
return result;}
export default baseRepeat;