mout
Version:
Modular Utilities
33 lines (32 loc) • 1.06 kB
JavaScript
;
exports.__esModule = true;
var enforcePrecision_1 = require("./enforcePrecision");
var _defaultDict = {
thousand: 'K',
million: 'M',
billion: 'B'
};
/**
* Abbreviate number if bigger than 1000. (eg: 2.5K, 17.5M, 3.4B, ...)
*/
function abbreviateNumber(val, nDecimals, dict) {
nDecimals = nDecimals != null ? nDecimals : 1;
dict = dict || _defaultDict;
val = enforcePrecision_1["default"](val, nDecimals);
var str;
var mod;
if (val < 1000000) {
mod = enforcePrecision_1["default"](val / 1000, nDecimals);
// might overflow to next scale during rounding
str = mod < 1000 ? mod + dict.thousand : 1 + dict.million;
}
else if (val < 1000000000) {
mod = enforcePrecision_1["default"](val / 1000000, nDecimals);
str = mod < 1000 ? mod + dict.million : 1 + dict.billion;
}
else {
str = enforcePrecision_1["default"](val / 1000000000, nDecimals) + dict.billion;
}
return str;
}
exports["default"] = abbreviateNumber;