adaptive-expressions
Version:
Common Expression Language
44 lines • 1.47 kB
JavaScript
/**
* @module adaptive-expressions
*/
/**
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License.
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.Sqrt = void 0;
const expressionEvaluator_1 = require("../expressionEvaluator");
const expressionType_1 = require("../expressionType");
const functionUtils_1 = require("../functionUtils");
const returnType_1 = require("../returnType");
/**
* Returns the square root of a specified number.
*/
class Sqrt extends expressionEvaluator_1.ExpressionEvaluator {
/**
* Initializes a new instance of the [SortBy](xref:adaptive-expressions.Sqrt) class.
*/
constructor() {
super(expressionType_1.ExpressionType.Sqrt, Sqrt.evaluator(), returnType_1.ReturnType.Number, functionUtils_1.FunctionUtils.validateUnaryNumber);
}
/**
* @private
*/
static evaluator() {
return functionUtils_1.FunctionUtils.applyWithError((args) => {
let error;
let value;
const originalNumber = Number(args[0]);
if (originalNumber < 0) {
error = 'Do not support square root extraction of negative numbers.';
}
else {
value = Math.sqrt(originalNumber);
}
return { value, error };
}, functionUtils_1.FunctionUtils.verifyNumber);
}
}
exports.Sqrt = Sqrt;
//# sourceMappingURL=sqrt.js.map
;