18 lines
509 B
Plaintext
18 lines
509 B
Plaintext
'use strict';
|
|
|
|
var GetIntrinsic = require('get-intrinsic');
|
|
|
|
var floor = require('./floor');
|
|
|
|
var $TypeError = GetIntrinsic('%TypeError%');
|
|
|
|
// https://262.ecma-international.org/14.0/#eqn-truncate
|
|
|
|
module.exports = function truncate(x) {
|
|
if (typeof x !== 'number' && typeof x !== 'bigint') {
|
|
throw new $TypeError('argument must be a Number or a BigInt');
|
|
}
|
|
var result = x < 0 ? -floor(-x) : floor(x);
|
|
return result === 0 ? 0 : result; // in the spec, these are math values, so we filter out -0 here
|
|
};
|