mout/number/toUInt31.js

Modular Utilities

"use strict";
exports.__esModule = true;
var MAX_INT_1 = require("./MAX_INT");
/**
 * "Convert" value into an 31-bit unsigned integer (since 1 bit is used for sign).
 * IMPORTANT: value wil wrap at 2^31, if negative will return 0.
 */
function toUInt31(val) {
    // we do not use lang/toNumber because of perf and also because it
    // doesn't break the functionality
    return val <= 0 ? 0 : val > MAX_INT_1["default"] ? ~~(val % (MAX_INT_1["default"] + 1)) : ~~val;
}
exports["default"] = toUInt31;