1 | 'use strict';
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2 |
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3 | // var isNegativeZero = require('math-intrinsics/isNegativeZero');
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4 | var $pow = require('math-intrinsics/pow');
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5 |
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6 | var $TypeError = require('es-errors/type');
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7 |
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8 | /*
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9 | var abs = require('math-intrinsics/abs');
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10 | var isFinite = require('math-intrinsics/isFinite');
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11 | var isNaN = require('math-intrinsics/isNaN');
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12 |
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13 | var IsInteger = require('math-intrinsics/isInteger');
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14 | */
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15 |
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16 | // https://262.ecma-international.org/11.0/#sec-numeric-types-number-exponentiate
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17 |
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18 | /* eslint max-lines-per-function: 0, max-statements: 0 */
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19 |
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20 | module.exports = function NumberExponentiate(base, exponent) {
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21 | if (typeof base !== 'number' || typeof exponent !== 'number') {
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22 | throw new $TypeError('Assertion failed: `base` and `exponent` arguments must be Numbers');
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23 | }
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24 | return $pow(base, exponent);
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25 | /*
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26 | if (isNaN(exponent)) {
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27 | return NaN;
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28 | }
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29 | if (exponent === 0) {
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30 | return 1;
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31 | }
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32 | if (isNaN(base)) {
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33 | return NaN;
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34 | }
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35 | var aB = abs(base);
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36 | if (aB > 1 && exponent === Infinity) {
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37 | return Infinity;
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38 | }
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39 | if (aB > 1 && exponent === -Infinity) {
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40 | return 0;
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41 | }
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42 | if (aB === 1 && (exponent === Infinity || exponent === -Infinity)) {
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43 | return NaN;
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44 | }
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45 | if (aB < 1 && exponent === Infinity) {
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46 | return +0;
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47 | }
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48 | if (aB < 1 && exponent === -Infinity) {
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49 | return Infinity;
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50 | }
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51 | if (base === Infinity) {
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52 | return exponent > 0 ? Infinity : 0;
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53 | }
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54 | if (base === -Infinity) {
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55 | var isOdd = true;
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56 | if (exponent > 0) {
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57 | return isOdd ? -Infinity : Infinity;
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58 | }
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59 | return isOdd ? -0 : 0;
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60 | }
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61 | if (exponent > 0) {
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62 | return isNegativeZero(base) ? Infinity : 0;
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63 | }
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64 | if (isNegativeZero(base)) {
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65 | if (exponent > 0) {
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66 | return isOdd ? -0 : 0;
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67 | }
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68 | return isOdd ? -Infinity : Infinity;
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69 | }
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70 | if (base < 0 && isFinite(base) && isFinite(exponent) && !IsInteger(exponent)) {
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71 | return NaN;
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72 | }
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73 | */
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74 | };
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